LLParser.cpp revision 40f8f6264d5af2c38e797e0dc59827cd231e8ff7
1df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner//===-- LLParser.cpp - Parser Class ---------------------------------------===// 2df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner// 3df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner// The LLVM Compiler Infrastructure 4df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner// 5df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner// This file is distributed under the University of Illinois Open Source 6df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner// License. See LICENSE.TXT for details. 7df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner// 8df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner//===----------------------------------------------------------------------===// 9df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner// 10df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner// This file defines the parser class for .ll files. 11df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner// 12df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner//===----------------------------------------------------------------------===// 13df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 14df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner#include "LLParser.h" 15df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner#include "llvm/AutoUpgrade.h" 16df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner#include "llvm/CallingConv.h" 17df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner#include "llvm/Constants.h" 18df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner#include "llvm/DerivedTypes.h" 19df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner#include "llvm/InlineAsm.h" 20df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner#include "llvm/Instructions.h" 21df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner#include "llvm/Module.h" 221224c386981f7948f298ed9ad444c40609570f2eDan Gohman#include "llvm/Operator.h" 23df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner#include "llvm/ValueSymbolTable.h" 24df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner#include "llvm/ADT/SmallPtrSet.h" 25c25e7581b9b8088910da31702d4ca21c4734c6d7Torok Edwin#include "llvm/Support/ErrorHandling.h" 26df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner#include "llvm/Support/raw_ostream.h" 27df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerusing namespace llvm; 28df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 293ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner/// Run: module ::= toplevelentity* 30ad7d1e2085a489dbedc65b99bab811771ead1aabChris Lattnerbool LLParser::Run() { 313ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner // Prime the lexer. 323ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner Lex.Lex(); 333ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner 34ad7d1e2085a489dbedc65b99bab811771ead1aabChris Lattner return ParseTopLevelEntities() || 35ad7d1e2085a489dbedc65b99bab811771ead1aabChris Lattner ValidateEndOfModule(); 36df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 37df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 38df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ValidateEndOfModule - Do final validity and sanity checks at the end of the 39df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// module. 40df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ValidateEndOfModule() { 41449c3103c5d8a3105ac1a46187ac1c7e1bdc0ba2Chris Lattner // Handle any instruction metadata forward references. 42449c3103c5d8a3105ac1a46187ac1c7e1bdc0ba2Chris Lattner if (!ForwardRefInstMetadata.empty()) { 43449c3103c5d8a3105ac1a46187ac1c7e1bdc0ba2Chris Lattner for (DenseMap<Instruction*, std::vector<MDRef> >::iterator 44449c3103c5d8a3105ac1a46187ac1c7e1bdc0ba2Chris Lattner I = ForwardRefInstMetadata.begin(), E = ForwardRefInstMetadata.end(); 45449c3103c5d8a3105ac1a46187ac1c7e1bdc0ba2Chris Lattner I != E; ++I) { 46449c3103c5d8a3105ac1a46187ac1c7e1bdc0ba2Chris Lattner Instruction *Inst = I->first; 47449c3103c5d8a3105ac1a46187ac1c7e1bdc0ba2Chris Lattner const std::vector<MDRef> &MDList = I->second; 48449c3103c5d8a3105ac1a46187ac1c7e1bdc0ba2Chris Lattner 49449c3103c5d8a3105ac1a46187ac1c7e1bdc0ba2Chris Lattner for (unsigned i = 0, e = MDList.size(); i != e; ++i) { 50449c3103c5d8a3105ac1a46187ac1c7e1bdc0ba2Chris Lattner unsigned SlotNo = MDList[i].MDSlot; 51449c3103c5d8a3105ac1a46187ac1c7e1bdc0ba2Chris Lattner 52449c3103c5d8a3105ac1a46187ac1c7e1bdc0ba2Chris Lattner if (SlotNo >= NumberedMetadata.size() || NumberedMetadata[SlotNo] == 0) 53449c3103c5d8a3105ac1a46187ac1c7e1bdc0ba2Chris Lattner return Error(MDList[i].Loc, "use of undefined metadata '!" + 54d1e1703c39742f3c9fc3d27a442ff59bbdbfb5aaBenjamin Kramer Twine(SlotNo) + "'"); 55449c3103c5d8a3105ac1a46187ac1c7e1bdc0ba2Chris Lattner Inst->setMetadata(MDList[i].MDKind, NumberedMetadata[SlotNo]); 56449c3103c5d8a3105ac1a46187ac1c7e1bdc0ba2Chris Lattner } 57449c3103c5d8a3105ac1a46187ac1c7e1bdc0ba2Chris Lattner } 58449c3103c5d8a3105ac1a46187ac1c7e1bdc0ba2Chris Lattner ForwardRefInstMetadata.clear(); 59449c3103c5d8a3105ac1a46187ac1c7e1bdc0ba2Chris Lattner } 60449c3103c5d8a3105ac1a46187ac1c7e1bdc0ba2Chris Lattner 61449c3103c5d8a3105ac1a46187ac1c7e1bdc0ba2Chris Lattner 6268afa54033eccda0f55e920cb548588e71a45418Victor Hernandez // Update auto-upgraded malloc calls to "malloc". 63cf4d2f11a1acc12a0f6b50991907e4a998ee9cddChris Lattner // FIXME: Remove in LLVM 3.0. 6413ad5aaaff8a446758b402fd5e9aea22f5bc5682Victor Hernandez if (MallocF) { 6513ad5aaaff8a446758b402fd5e9aea22f5bc5682Victor Hernandez MallocF->setName("malloc"); 6613ad5aaaff8a446758b402fd5e9aea22f5bc5682Victor Hernandez // If setName() does not set the name to "malloc", then there is already a 6713ad5aaaff8a446758b402fd5e9aea22f5bc5682Victor Hernandez // declaration of "malloc". In that case, iterate over all calls to MallocF 6813ad5aaaff8a446758b402fd5e9aea22f5bc5682Victor Hernandez // and get them to call the declared "malloc" instead. 6913ad5aaaff8a446758b402fd5e9aea22f5bc5682Victor Hernandez if (MallocF->getName() != "malloc") { 7009d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner Constant *RealMallocF = M->getFunction("malloc"); 7168afa54033eccda0f55e920cb548588e71a45418Victor Hernandez if (RealMallocF->getType() != MallocF->getType()) 7268afa54033eccda0f55e920cb548588e71a45418Victor Hernandez RealMallocF = ConstantExpr::getBitCast(RealMallocF, MallocF->getType()); 7368afa54033eccda0f55e920cb548588e71a45418Victor Hernandez MallocF->replaceAllUsesWith(RealMallocF); 7413ad5aaaff8a446758b402fd5e9aea22f5bc5682Victor Hernandez MallocF->eraseFromParent(); 7513ad5aaaff8a446758b402fd5e9aea22f5bc5682Victor Hernandez MallocF = NULL; 7613ad5aaaff8a446758b402fd5e9aea22f5bc5682Victor Hernandez } 7713ad5aaaff8a446758b402fd5e9aea22f5bc5682Victor Hernandez } 7809d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner 7909d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner 8009d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner // If there are entries in ForwardRefBlockAddresses at this point, they are 8109d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner // references after the function was defined. Resolve those now. 8209d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner while (!ForwardRefBlockAddresses.empty()) { 8309d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner // Okay, we are referencing an already-parsed function, resolve them now. 8409d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner Function *TheFn = 0; 8509d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner const ValID &Fn = ForwardRefBlockAddresses.begin()->first; 8609d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner if (Fn.Kind == ValID::t_GlobalName) 8709d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner TheFn = M->getFunction(Fn.StrVal); 8809d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner else if (Fn.UIntVal < NumberedVals.size()) 8909d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner TheFn = dyn_cast<Function>(NumberedVals[Fn.UIntVal]); 9009d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner 9109d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner if (TheFn == 0) 9209d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner return Error(Fn.Loc, "unknown function referenced by blockaddress"); 9309d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner 9409d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner // Resolve all these references. 9509d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner if (ResolveForwardRefBlockAddresses(TheFn, 9609d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner ForwardRefBlockAddresses.begin()->second, 9709d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner 0)) 9809d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner return true; 9909d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner 10009d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner ForwardRefBlockAddresses.erase(ForwardRefBlockAddresses.begin()); 10109d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner } 10209d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner 10309d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner 104df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!ForwardRefTypes.empty()) 105df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(ForwardRefTypes.begin()->second.second, 106df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner "use of undefined type named '" + 107df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ForwardRefTypes.begin()->first + "'"); 108df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!ForwardRefTypeIDs.empty()) 109df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(ForwardRefTypeIDs.begin()->second.second, 110df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner "use of undefined type '%" + 111d1e1703c39742f3c9fc3d27a442ff59bbdbfb5aaBenjamin Kramer Twine(ForwardRefTypeIDs.begin()->first) + "'"); 112a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 113df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!ForwardRefVals.empty()) 114df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(ForwardRefVals.begin()->second.second, 115df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner "use of undefined value '@" + ForwardRefVals.begin()->first + 116df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner "'"); 117a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 118df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!ForwardRefValIDs.empty()) 119df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(ForwardRefValIDs.begin()->second.second, 120df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner "use of undefined value '@" + 121d1e1703c39742f3c9fc3d27a442ff59bbdbfb5aaBenjamin Kramer Twine(ForwardRefValIDs.begin()->first) + "'"); 122a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1231c7eea60d3cbada2bae54c42fa178078a3ace9b3Devang Patel if (!ForwardRefMDNodes.empty()) 1241c7eea60d3cbada2bae54c42fa178078a3ace9b3Devang Patel return Error(ForwardRefMDNodes.begin()->second.second, 1251c7eea60d3cbada2bae54c42fa178078a3ace9b3Devang Patel "use of undefined metadata '!" + 126d1e1703c39742f3c9fc3d27a442ff59bbdbfb5aaBenjamin Kramer Twine(ForwardRefMDNodes.begin()->first) + "'"); 127a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1281c7eea60d3cbada2bae54c42fa178078a3ace9b3Devang Patel 129df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Look for intrinsic functions and CallInst that need to be upgraded 130df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner for (Module::iterator FI = M->begin(), FE = M->end(); FI != FE; ) 131df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner UpgradeCallsToIntrinsic(FI++); // must be post-increment, as we remove 132a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 133e4b275610a7a05b7ee4c0378a906a6330e4c4ab0Devang Patel // Check debug info intrinsics. 134e4b275610a7a05b7ee4c0378a906a6330e4c4ab0Devang Patel CheckDebugInfoIntrinsics(M); 135df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 136df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 137df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 13809d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattnerbool LLParser::ResolveForwardRefBlockAddresses(Function *TheFn, 13909d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner std::vector<std::pair<ValID, GlobalValue*> > &Refs, 14009d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner PerFunctionState *PFS) { 14109d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner // Loop over all the references, resolving them. 14209d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner for (unsigned i = 0, e = Refs.size(); i != e; ++i) { 14309d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner BasicBlock *Res; 144cdfc940912d56a63b6f12eaa7f3faf79cf74c693Chris Lattner if (PFS) { 14509d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner if (Refs[i].first.Kind == ValID::t_LocalName) 14609d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner Res = PFS->GetBB(Refs[i].first.StrVal, Refs[i].first.Loc); 147cdfc940912d56a63b6f12eaa7f3faf79cf74c693Chris Lattner else 14809d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner Res = PFS->GetBB(Refs[i].first.UIntVal, Refs[i].first.Loc); 14909d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner } else if (Refs[i].first.Kind == ValID::t_LocalID) { 15009d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner return Error(Refs[i].first.Loc, 151ee7644da4cbc18f95495a5217c6a0c61eb13c767Chris Lattner "cannot take address of numeric label after the function is defined"); 15209d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner } else { 15309d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner Res = dyn_cast_or_null<BasicBlock>( 15409d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner TheFn->getValueSymbolTable().lookup(Refs[i].first.StrVal)); 15509d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner } 15609d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner 157cdfc940912d56a63b6f12eaa7f3faf79cf74c693Chris Lattner if (Res == 0) 15809d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner return Error(Refs[i].first.Loc, 15909d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner "referenced value is not a basic block"); 16009d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner 16109d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner // Get the BlockAddress for this and update references to use it. 16209d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner BlockAddress *BA = BlockAddress::get(TheFn, Res); 16309d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner Refs[i].second->replaceAllUsesWith(BA); 16409d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner Refs[i].second->eraseFromParent(); 16509d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner } 16609d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner return false; 16709d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner} 16809d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner 16909d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner 170df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner//===----------------------------------------------------------------------===// 171df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner// Top-Level Entities 172df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner//===----------------------------------------------------------------------===// 173df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 174df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ParseTopLevelEntities() { 175df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner while (1) { 176df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner switch (Lex.getKind()) { 177df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner default: return TokError("expected top-level entity"); 178df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::Eof: return false; 179df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner //case lltok::kw_define: 180df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_declare: if (ParseDeclare()) return true; break; 181df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_define: if (ParseDefine()) return true; break; 182df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_module: if (ParseModuleAsm()) return true; break; 183df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_target: if (ParseTargetDefinition()) return true; break; 184df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_deplibs: if (ParseDepLibs()) return true; break; 185df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_type: if (ParseUnnamedType()) return true; break; 1863845e50edea58edd0f5e0f2b732e0106b53ba279Dan Gohman case lltok::LocalVarID: if (ParseUnnamedType()) return true; break; 187df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::StringConstant: // FIXME: REMOVE IN LLVM 3.0 188df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::LocalVar: if (ParseNamedType()) return true; break; 1893845e50edea58edd0f5e0f2b732e0106b53ba279Dan Gohman case lltok::GlobalID: if (ParseUnnamedGlobal()) return true; break; 190df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::GlobalVar: if (ParseNamedGlobal()) return true; break; 191e434d277ca5183eeb6f881000732dcf4c8edd52eChris Lattner case lltok::exclaim: if (ParseStandaloneMetadata()) return true; break; 1921d92831759620a2e5ce4f5a3088c0a1a77a48c8fChris Lattner case lltok::MetadataVar: if (ParseNamedMetadata()) return true; break; 193df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 194df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // The Global variable production with no name can have many different 195df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // optional leading prefixes, the production is: 196df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // GlobalVar ::= OptionalLinkage OptionalVisibility OptionalThreadLocal 197df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // OptionalAddrSpace ('constant'|'global') ... 1985e721d768254a920b78b9129d79a84c0163cb3f4Bill Wendling case lltok::kw_private: // OptionalLinkage 1995e721d768254a920b78b9129d79a84c0163cb3f4Bill Wendling case lltok::kw_linker_private: // OptionalLinkage 2005e721d768254a920b78b9129d79a84c0163cb3f4Bill Wendling case lltok::kw_linker_private_weak: // OptionalLinkage 20155ae515f9db484125a23429d4906c5edaf9f10d2Bill Wendling case lltok::kw_linker_private_weak_def_auto: // OptionalLinkage 2025e721d768254a920b78b9129d79a84c0163cb3f4Bill Wendling case lltok::kw_internal: // OptionalLinkage 2035e721d768254a920b78b9129d79a84c0163cb3f4Bill Wendling case lltok::kw_weak: // OptionalLinkage 2045e721d768254a920b78b9129d79a84c0163cb3f4Bill Wendling case lltok::kw_weak_odr: // OptionalLinkage 2055e721d768254a920b78b9129d79a84c0163cb3f4Bill Wendling case lltok::kw_linkonce: // OptionalLinkage 2065e721d768254a920b78b9129d79a84c0163cb3f4Bill Wendling case lltok::kw_linkonce_odr: // OptionalLinkage 2075e721d768254a920b78b9129d79a84c0163cb3f4Bill Wendling case lltok::kw_appending: // OptionalLinkage 2085e721d768254a920b78b9129d79a84c0163cb3f4Bill Wendling case lltok::kw_dllexport: // OptionalLinkage 2095e721d768254a920b78b9129d79a84c0163cb3f4Bill Wendling case lltok::kw_common: // OptionalLinkage 2105e721d768254a920b78b9129d79a84c0163cb3f4Bill Wendling case lltok::kw_dllimport: // OptionalLinkage 2115e721d768254a920b78b9129d79a84c0163cb3f4Bill Wendling case lltok::kw_extern_weak: // OptionalLinkage 2125e721d768254a920b78b9129d79a84c0163cb3f4Bill Wendling case lltok::kw_external: { // OptionalLinkage 213df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner unsigned Linkage, Visibility; 214df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseOptionalLinkage(Linkage) || 215df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseOptionalVisibility(Visibility) || 216eeb4a84ac8d91fb1d5a7c484a1c7047409faee30Chris Lattner ParseGlobal("", SMLoc(), Linkage, true, Visibility)) 217df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 218df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner break; 219df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 220df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_default: // OptionalVisibility 221df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_hidden: // OptionalVisibility 222df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_protected: { // OptionalVisibility 223df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner unsigned Visibility; 224df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseOptionalVisibility(Visibility) || 225eeb4a84ac8d91fb1d5a7c484a1c7047409faee30Chris Lattner ParseGlobal("", SMLoc(), 0, false, Visibility)) 226df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 227df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner break; 228df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 229a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 230df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_thread_local: // OptionalThreadLocal 231df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_addrspace: // OptionalAddrSpace 232df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_constant: // GlobalType 233df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_global: // GlobalType 234eeb4a84ac8d91fb1d5a7c484a1c7047409faee30Chris Lattner if (ParseGlobal("", SMLoc(), 0, false, 0)) return true; 235df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner break; 236df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 237df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 238df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 239df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 240df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 241df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// toplevelentity 242df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= 'module' 'asm' STRINGCONSTANT 243df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ParseModuleAsm() { 244df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner assert(Lex.getKind() == lltok::kw_module); 245df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.Lex(); 246a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 247a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar std::string AsmStr; 2483ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner if (ParseToken(lltok::kw_asm, "expected 'module asm'") || 2493ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner ParseStringConstant(AsmStr)) return true; 250a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 251df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner const std::string &AsmSoFar = M->getModuleInlineAsm(); 252df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (AsmSoFar.empty()) 2533ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner M->setModuleInlineAsm(AsmStr); 254df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner else 2553ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner M->setModuleInlineAsm(AsmSoFar+"\n"+AsmStr); 256df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 257df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 258df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 259df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// toplevelentity 260df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= 'target' 'triple' '=' STRINGCONSTANT 261df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= 'target' 'datalayout' '=' STRINGCONSTANT 262df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ParseTargetDefinition() { 263df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner assert(Lex.getKind() == lltok::kw_target); 2643ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner std::string Str; 265df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner switch (Lex.Lex()) { 266df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner default: return TokError("unknown target property"); 267df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_triple: 268df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.Lex(); 2693ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner if (ParseToken(lltok::equal, "expected '=' after target triple") || 2703ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner ParseStringConstant(Str)) 271df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 2723ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner M->setTargetTriple(Str); 273df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 274df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_datalayout: 275df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.Lex(); 2763ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner if (ParseToken(lltok::equal, "expected '=' after target datalayout") || 2773ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner ParseStringConstant(Str)) 278df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 2793ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner M->setDataLayout(Str); 280df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 281df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 282df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 283df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 284df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// toplevelentity 285df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= 'deplibs' '=' '[' ']' 286df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= 'deplibs' '=' '[' STRINGCONSTANT (',' STRINGCONSTANT)* ']' 287df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ParseDepLibs() { 288df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner assert(Lex.getKind() == lltok::kw_deplibs); 2893ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner Lex.Lex(); 2903ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner if (ParseToken(lltok::equal, "expected '=' after deplibs") || 2913ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner ParseToken(lltok::lsquare, "expected '=' after deplibs")) 2923ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner return true; 293df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 2943ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner if (EatIfPresent(lltok::rsquare)) 295df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 296a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 2973ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner std::string Str; 2983ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner if (ParseStringConstant(Str)) return true; 2993ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner M->addLibrary(Str); 300df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 3013ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner while (EatIfPresent(lltok::comma)) { 3023ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner if (ParseStringConstant(Str)) return true; 3033ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner M->addLibrary(Str); 304df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 305df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 3063ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner return ParseToken(lltok::rsquare, "expected ']' at end of list"); 307df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 308df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 3093845e50edea58edd0f5e0f2b732e0106b53ba279Dan Gohman/// ParseUnnamedType: 310df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= 'type' type 3113845e50edea58edd0f5e0f2b732e0106b53ba279Dan Gohman/// ::= LocalVarID '=' 'type' type 312df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ParseUnnamedType() { 3133845e50edea58edd0f5e0f2b732e0106b53ba279Dan Gohman unsigned TypeID = NumberedTypes.size(); 3143845e50edea58edd0f5e0f2b732e0106b53ba279Dan Gohman 3153845e50edea58edd0f5e0f2b732e0106b53ba279Dan Gohman // Handle the LocalVarID form. 3163845e50edea58edd0f5e0f2b732e0106b53ba279Dan Gohman if (Lex.getKind() == lltok::LocalVarID) { 3173845e50edea58edd0f5e0f2b732e0106b53ba279Dan Gohman if (Lex.getUIntVal() != TypeID) 3183845e50edea58edd0f5e0f2b732e0106b53ba279Dan Gohman return Error(Lex.getLoc(), "type expected to be numbered '%" + 319d1e1703c39742f3c9fc3d27a442ff59bbdbfb5aaBenjamin Kramer Twine(TypeID) + "'"); 3203845e50edea58edd0f5e0f2b732e0106b53ba279Dan Gohman Lex.Lex(); // eat LocalVarID; 3213845e50edea58edd0f5e0f2b732e0106b53ba279Dan Gohman 3223845e50edea58edd0f5e0f2b732e0106b53ba279Dan Gohman if (ParseToken(lltok::equal, "expected '=' after name")) 3233845e50edea58edd0f5e0f2b732e0106b53ba279Dan Gohman return true; 3243845e50edea58edd0f5e0f2b732e0106b53ba279Dan Gohman } 3253845e50edea58edd0f5e0f2b732e0106b53ba279Dan Gohman 326df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner LocTy TypeLoc = Lex.getLoc(); 327f7240de877e790d9e377c1fe49b6d7a14c1a9674Chris Lattner if (ParseToken(lltok::kw_type, "expected 'type' after '='")) return true; 328df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 3291d0be15f89cb5056e20e2d24faa8d6afb1573bcaOwen Anderson PATypeHolder Ty(Type::getVoidTy(Context)); 330df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseType(Ty)) return true; 331a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 332df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // See if this type was previously referenced. 333df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner std::map<unsigned, std::pair<PATypeHolder, LocTy> >::iterator 334df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner FI = ForwardRefTypeIDs.find(TypeID); 335df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (FI != ForwardRefTypeIDs.end()) { 336c38daba25b66f9a0386fc28861db66e62663310dChris Lattner if (FI->second.first.get() == Ty) 337c38daba25b66f9a0386fc28861db66e62663310dChris Lattner return Error(TypeLoc, "self referential type is invalid"); 338a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 339df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner cast<DerivedType>(FI->second.first.get())->refineAbstractTypeTo(Ty); 340df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Ty = FI->second.first.get(); 341df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ForwardRefTypeIDs.erase(FI); 342df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 343a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 344df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner NumberedTypes.push_back(Ty); 345a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 346df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 347df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 348df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 349df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// toplevelentity 350df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= LocalVar '=' 'type' type 351df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ParseNamedType() { 352df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner std::string Name = Lex.getStrVal(); 353df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner LocTy NameLoc = Lex.getLoc(); 3543ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner Lex.Lex(); // eat LocalVar. 355a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3561d0be15f89cb5056e20e2d24faa8d6afb1573bcaOwen Anderson PATypeHolder Ty(Type::getVoidTy(Context)); 357a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3583ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner if (ParseToken(lltok::equal, "expected '=' after name") || 3593ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner ParseToken(lltok::kw_type, "expected 'type' after name") || 3603ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner ParseType(Ty)) 3613ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner return true; 362a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 363df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Set the type name, checking for conflicts as we do so. 364df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner bool AlreadyExists = M->addTypeName(Name, Ty); 365df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!AlreadyExists) return false; 366df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 367df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // See if this type is a forward reference. We need to eagerly resolve 368df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // types to allow recursive type redefinitions below. 369df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner std::map<std::string, std::pair<PATypeHolder, LocTy> >::iterator 370df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner FI = ForwardRefTypes.find(Name); 371df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (FI != ForwardRefTypes.end()) { 372c38daba25b66f9a0386fc28861db66e62663310dChris Lattner if (FI->second.first.get() == Ty) 373c38daba25b66f9a0386fc28861db66e62663310dChris Lattner return Error(NameLoc, "self referential type is invalid"); 374c38daba25b66f9a0386fc28861db66e62663310dChris Lattner 375df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner cast<DerivedType>(FI->second.first.get())->refineAbstractTypeTo(Ty); 376df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Ty = FI->second.first.get(); 377df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ForwardRefTypes.erase(FI); 378df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 379a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 380df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Inserting a name that is already defined, get the existing name. 381df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner const Type *Existing = M->getTypeByName(Name); 382df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner assert(Existing && "Conflict but no matching type?!"); 383a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 384df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Otherwise, this is an attempt to redefine a type. That's okay if 385df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // the redefinition is identical to the original. 386df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // FIXME: REMOVE REDEFINITIONS IN LLVM 3.0 387df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Existing == Ty) return false; 388a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 389df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Any other kind of (non-equivalent) redefinition is an error. 390df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(NameLoc, "redefinition of type named '" + Name + "' of type '" + 391df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Ty->getDescription() + "'"); 392df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 393df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 394df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 395df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// toplevelentity 396df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= 'declare' FunctionHeader 397df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ParseDeclare() { 398df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner assert(Lex.getKind() == lltok::kw_declare); 399df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.Lex(); 400a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 401df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Function *F; 402df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return ParseFunctionHeader(F, false); 403df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 404df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 405df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// toplevelentity 406df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= 'define' FunctionHeader '{' ... 407df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ParseDefine() { 408df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner assert(Lex.getKind() == lltok::kw_define); 409df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.Lex(); 410a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 411df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Function *F; 4123ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner return ParseFunctionHeader(F, true) || 4133ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner ParseFunctionBody(*F); 414df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 415df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 4163ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner/// ParseGlobalType 4173ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner/// ::= 'constant' 4183ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner/// ::= 'global' 419df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ParseGlobalType(bool &IsConstant) { 420df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Lex.getKind() == lltok::kw_constant) 421df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner IsConstant = true; 422df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner else if (Lex.getKind() == lltok::kw_global) 423df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner IsConstant = false; 42435b5107951582f58bf9d6f786fdddbf7811420fdDuncan Sands else { 42535b5107951582f58bf9d6f786fdddbf7811420fdDuncan Sands IsConstant = false; 426df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return TokError("expected 'global' or 'constant'"); 42735b5107951582f58bf9d6f786fdddbf7811420fdDuncan Sands } 428df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.Lex(); 429df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 430df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 431df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 4323845e50edea58edd0f5e0f2b732e0106b53ba279Dan Gohman/// ParseUnnamedGlobal: 4333845e50edea58edd0f5e0f2b732e0106b53ba279Dan Gohman/// OptionalVisibility ALIAS ... 4343845e50edea58edd0f5e0f2b732e0106b53ba279Dan Gohman/// OptionalLinkage OptionalVisibility ... -> global variable 4353845e50edea58edd0f5e0f2b732e0106b53ba279Dan Gohman/// GlobalID '=' OptionalVisibility ALIAS ... 4363845e50edea58edd0f5e0f2b732e0106b53ba279Dan Gohman/// GlobalID '=' OptionalLinkage OptionalVisibility ... -> global variable 4373845e50edea58edd0f5e0f2b732e0106b53ba279Dan Gohmanbool LLParser::ParseUnnamedGlobal() { 4383845e50edea58edd0f5e0f2b732e0106b53ba279Dan Gohman unsigned VarID = NumberedVals.size(); 4393845e50edea58edd0f5e0f2b732e0106b53ba279Dan Gohman std::string Name; 4403845e50edea58edd0f5e0f2b732e0106b53ba279Dan Gohman LocTy NameLoc = Lex.getLoc(); 4413845e50edea58edd0f5e0f2b732e0106b53ba279Dan Gohman 4423845e50edea58edd0f5e0f2b732e0106b53ba279Dan Gohman // Handle the GlobalID form. 4433845e50edea58edd0f5e0f2b732e0106b53ba279Dan Gohman if (Lex.getKind() == lltok::GlobalID) { 4443845e50edea58edd0f5e0f2b732e0106b53ba279Dan Gohman if (Lex.getUIntVal() != VarID) 4453845e50edea58edd0f5e0f2b732e0106b53ba279Dan Gohman return Error(Lex.getLoc(), "variable expected to be numbered '%" + 446d1e1703c39742f3c9fc3d27a442ff59bbdbfb5aaBenjamin Kramer Twine(VarID) + "'"); 4473845e50edea58edd0f5e0f2b732e0106b53ba279Dan Gohman Lex.Lex(); // eat GlobalID; 4483845e50edea58edd0f5e0f2b732e0106b53ba279Dan Gohman 4493845e50edea58edd0f5e0f2b732e0106b53ba279Dan Gohman if (ParseToken(lltok::equal, "expected '=' after name")) 4503845e50edea58edd0f5e0f2b732e0106b53ba279Dan Gohman return true; 4513845e50edea58edd0f5e0f2b732e0106b53ba279Dan Gohman } 4523845e50edea58edd0f5e0f2b732e0106b53ba279Dan Gohman 4533845e50edea58edd0f5e0f2b732e0106b53ba279Dan Gohman bool HasLinkage; 4543845e50edea58edd0f5e0f2b732e0106b53ba279Dan Gohman unsigned Linkage, Visibility; 4553845e50edea58edd0f5e0f2b732e0106b53ba279Dan Gohman if (ParseOptionalLinkage(Linkage, HasLinkage) || 4563845e50edea58edd0f5e0f2b732e0106b53ba279Dan Gohman ParseOptionalVisibility(Visibility)) 4573845e50edea58edd0f5e0f2b732e0106b53ba279Dan Gohman return true; 458a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 4593845e50edea58edd0f5e0f2b732e0106b53ba279Dan Gohman if (HasLinkage || Lex.getKind() != lltok::kw_alias) 4603845e50edea58edd0f5e0f2b732e0106b53ba279Dan Gohman return ParseGlobal(Name, NameLoc, Linkage, HasLinkage, Visibility); 4613845e50edea58edd0f5e0f2b732e0106b53ba279Dan Gohman return ParseAlias(Name, NameLoc, Visibility); 4623845e50edea58edd0f5e0f2b732e0106b53ba279Dan Gohman} 4633845e50edea58edd0f5e0f2b732e0106b53ba279Dan Gohman 464df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ParseNamedGlobal: 465df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// GlobalVar '=' OptionalVisibility ALIAS ... 466df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// GlobalVar '=' OptionalLinkage OptionalVisibility ... -> global variable 467df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ParseNamedGlobal() { 468df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner assert(Lex.getKind() == lltok::GlobalVar); 469df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner LocTy NameLoc = Lex.getLoc(); 470df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner std::string Name = Lex.getStrVal(); 471df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.Lex(); 472a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 473df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner bool HasLinkage; 474df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner unsigned Linkage, Visibility; 475df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseToken(lltok::equal, "expected '=' in global variable") || 476df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseOptionalLinkage(Linkage, HasLinkage) || 477df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseOptionalVisibility(Visibility)) 478df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 479a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 480df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (HasLinkage || Lex.getKind() != lltok::kw_alias) 481df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return ParseGlobal(Name, NameLoc, Linkage, HasLinkage, Visibility); 482df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return ParseAlias(Name, NameLoc, Visibility); 483df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 484df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 485256be96457faf173de2ac3f8145077b7e6fb41baDevang Patel// MDString: 486256be96457faf173de2ac3f8145077b7e6fb41baDevang Patel// ::= '!' STRINGCONSTANT 487442ffa1c5688f32b275f7657b5ee3646bfe8ffa3Chris Lattnerbool LLParser::ParseMDString(MDString *&Result) { 488256be96457faf173de2ac3f8145077b7e6fb41baDevang Patel std::string Str; 489256be96457faf173de2ac3f8145077b7e6fb41baDevang Patel if (ParseStringConstant(Str)) return true; 490442ffa1c5688f32b275f7657b5ee3646bfe8ffa3Chris Lattner Result = MDString::get(Context, Str); 491256be96457faf173de2ac3f8145077b7e6fb41baDevang Patel return false; 492256be96457faf173de2ac3f8145077b7e6fb41baDevang Patel} 493256be96457faf173de2ac3f8145077b7e6fb41baDevang Patel 494256be96457faf173de2ac3f8145077b7e6fb41baDevang Patel// MDNode: 495256be96457faf173de2ac3f8145077b7e6fb41baDevang Patel// ::= '!' MDNodeNumber 496449c3103c5d8a3105ac1a46187ac1c7e1bdc0ba2Chris Lattner// 497449c3103c5d8a3105ac1a46187ac1c7e1bdc0ba2Chris Lattner/// This version of ParseMDNodeID returns the slot number and null in the case 498449c3103c5d8a3105ac1a46187ac1c7e1bdc0ba2Chris Lattner/// of a forward reference. 499449c3103c5d8a3105ac1a46187ac1c7e1bdc0ba2Chris Lattnerbool LLParser::ParseMDNodeID(MDNode *&Result, unsigned &SlotNo) { 500449c3103c5d8a3105ac1a46187ac1c7e1bdc0ba2Chris Lattner // !{ ..., !42, ... } 501449c3103c5d8a3105ac1a46187ac1c7e1bdc0ba2Chris Lattner if (ParseUInt32(SlotNo)) return true; 502449c3103c5d8a3105ac1a46187ac1c7e1bdc0ba2Chris Lattner 503449c3103c5d8a3105ac1a46187ac1c7e1bdc0ba2Chris Lattner // Check existing MDNode. 504449c3103c5d8a3105ac1a46187ac1c7e1bdc0ba2Chris Lattner if (SlotNo < NumberedMetadata.size() && NumberedMetadata[SlotNo] != 0) 505449c3103c5d8a3105ac1a46187ac1c7e1bdc0ba2Chris Lattner Result = NumberedMetadata[SlotNo]; 506449c3103c5d8a3105ac1a46187ac1c7e1bdc0ba2Chris Lattner else 507449c3103c5d8a3105ac1a46187ac1c7e1bdc0ba2Chris Lattner Result = 0; 508449c3103c5d8a3105ac1a46187ac1c7e1bdc0ba2Chris Lattner return false; 509449c3103c5d8a3105ac1a46187ac1c7e1bdc0ba2Chris Lattner} 510449c3103c5d8a3105ac1a46187ac1c7e1bdc0ba2Chris Lattner 5114a72efc0ad18c1b9c98bb2f0cb881a39a7010b53Chris Lattnerbool LLParser::ParseMDNodeID(MDNode *&Result) { 512256be96457faf173de2ac3f8145077b7e6fb41baDevang Patel // !{ ..., !42, ... } 513256be96457faf173de2ac3f8145077b7e6fb41baDevang Patel unsigned MID = 0; 514449c3103c5d8a3105ac1a46187ac1c7e1bdc0ba2Chris Lattner if (ParseMDNodeID(Result, MID)) return true; 515a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 516449c3103c5d8a3105ac1a46187ac1c7e1bdc0ba2Chris Lattner // If not a forward reference, just return it now. 517449c3103c5d8a3105ac1a46187ac1c7e1bdc0ba2Chris Lattner if (Result) return false; 518256be96457faf173de2ac3f8145077b7e6fb41baDevang Patel 519449c3103c5d8a3105ac1a46187ac1c7e1bdc0ba2Chris Lattner // Otherwise, create MDNode forward reference. 520489b29b0a4ee4526e3d50ad88d3d48745baf5042Dan Gohman MDNode *FwdNode = MDNode::getTemporary(Context, 0, 0); 521256be96457faf173de2ac3f8145077b7e6fb41baDevang Patel ForwardRefMDNodes[MID] = std::make_pair(FwdNode, Lex.getLoc()); 5220834e6a07b1965712781804b0113a8b282f40a5fChris Lattner 5230834e6a07b1965712781804b0113a8b282f40a5fChris Lattner if (NumberedMetadata.size() <= MID) 5240834e6a07b1965712781804b0113a8b282f40a5fChris Lattner NumberedMetadata.resize(MID+1); 5250834e6a07b1965712781804b0113a8b282f40a5fChris Lattner NumberedMetadata[MID] = FwdNode; 526442ffa1c5688f32b275f7657b5ee3646bfe8ffa3Chris Lattner Result = FwdNode; 527256be96457faf173de2ac3f8145077b7e6fb41baDevang Patel return false; 528a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar} 529256be96457faf173de2ac3f8145077b7e6fb41baDevang Patel 53084d03b11d016821e0a2f31fc14a3cfd24b0df862Chris Lattner/// ParseNamedMetadata: 531eff2ab61b5d411fe64ba601d402b7c549644b590Devang Patel/// !foo = !{ !1, !2 } 532eff2ab61b5d411fe64ba601d402b7c549644b590Devang Patelbool LLParser::ParseNamedMetadata() { 5331d92831759620a2e5ce4f5a3088c0a1a77a48c8fChris Lattner assert(Lex.getKind() == lltok::MetadataVar); 534eff2ab61b5d411fe64ba601d402b7c549644b590Devang Patel std::string Name = Lex.getStrVal(); 5351d92831759620a2e5ce4f5a3088c0a1a77a48c8fChris Lattner Lex.Lex(); 536eff2ab61b5d411fe64ba601d402b7c549644b590Devang Patel 53784d03b11d016821e0a2f31fc14a3cfd24b0df862Chris Lattner if (ParseToken(lltok::equal, "expected '=' here") || 538e434d277ca5183eeb6f881000732dcf4c8edd52eChris Lattner ParseToken(lltok::exclaim, "Expected '!' here") || 53984d03b11d016821e0a2f31fc14a3cfd24b0df862Chris Lattner ParseToken(lltok::lbrace, "Expected '{' here")) 540eff2ab61b5d411fe64ba601d402b7c549644b590Devang Patel return true; 541eff2ab61b5d411fe64ba601d402b7c549644b590Devang Patel 54217aa92c92a925b4a674440c7ef088c223990e854Dan Gohman NamedMDNode *NMD = M->getOrInsertNamedMetadata(Name); 5439dc8ae110f4b23df8f42fe6a09087061938a06a7Dan Gohman if (Lex.getKind() != lltok::rbrace) 5449dc8ae110f4b23df8f42fe6a09087061938a06a7Dan Gohman do { 5459dc8ae110f4b23df8f42fe6a09087061938a06a7Dan Gohman if (ParseToken(lltok::exclaim, "Expected '!' here")) 5469dc8ae110f4b23df8f42fe6a09087061938a06a7Dan Gohman return true; 547442ffa1c5688f32b275f7657b5ee3646bfe8ffa3Chris Lattner 5489dc8ae110f4b23df8f42fe6a09087061938a06a7Dan Gohman MDNode *N = 0; 5499dc8ae110f4b23df8f42fe6a09087061938a06a7Dan Gohman if (ParseMDNodeID(N)) return true; 55017aa92c92a925b4a674440c7ef088c223990e854Dan Gohman NMD->addOperand(N); 5519dc8ae110f4b23df8f42fe6a09087061938a06a7Dan Gohman } while (EatIfPresent(lltok::comma)); 552eff2ab61b5d411fe64ba601d402b7c549644b590Devang Patel 553eff2ab61b5d411fe64ba601d402b7c549644b590Devang Patel if (ParseToken(lltok::rbrace, "expected end of metadata node")) 554eff2ab61b5d411fe64ba601d402b7c549644b590Devang Patel return true; 555eff2ab61b5d411fe64ba601d402b7c549644b590Devang Patel 556eff2ab61b5d411fe64ba601d402b7c549644b590Devang Patel return false; 557eff2ab61b5d411fe64ba601d402b7c549644b590Devang Patel} 558eff2ab61b5d411fe64ba601d402b7c549644b590Devang Patel 559923078c65d5a37a4f135705300c9feea49487de5Devang Patel/// ParseStandaloneMetadata: 560a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar/// !42 = !{...} 561923078c65d5a37a4f135705300c9feea49487de5Devang Patelbool LLParser::ParseStandaloneMetadata() { 562e434d277ca5183eeb6f881000732dcf4c8edd52eChris Lattner assert(Lex.getKind() == lltok::exclaim); 563923078c65d5a37a4f135705300c9feea49487de5Devang Patel Lex.Lex(); 564923078c65d5a37a4f135705300c9feea49487de5Devang Patel unsigned MetadataID = 0; 565923078c65d5a37a4f135705300c9feea49487de5Devang Patel 566923078c65d5a37a4f135705300c9feea49487de5Devang Patel LocTy TyLoc; 5671d0be15f89cb5056e20e2d24faa8d6afb1573bcaOwen Anderson PATypeHolder Ty(Type::getVoidTy(Context)); 568104cf9e02b0ed94d4173869a598af6c6972a8660Devang Patel SmallVector<Value *, 16> Elts; 5693f5132a024960b7d2e226a210c5923c094f036efChris Lattner if (ParseUInt32(MetadataID) || 5703f5132a024960b7d2e226a210c5923c094f036efChris Lattner ParseToken(lltok::equal, "expected '=' here") || 5713f5132a024960b7d2e226a210c5923c094f036efChris Lattner ParseType(Ty, TyLoc) || 572e434d277ca5183eeb6f881000732dcf4c8edd52eChris Lattner ParseToken(lltok::exclaim, "Expected '!' here") || 5733f5132a024960b7d2e226a210c5923c094f036efChris Lattner ParseToken(lltok::lbrace, "Expected '{' here") || 57424e64df7ec25b55aa872c2ef33728dfbb8c353c4Victor Hernandez ParseMDNodeVector(Elts, NULL) || 5753f5132a024960b7d2e226a210c5923c094f036efChris Lattner ParseToken(lltok::rbrace, "expected end of metadata node")) 576104cf9e02b0ed94d4173869a598af6c6972a8660Devang Patel return true; 577104cf9e02b0ed94d4173869a598af6c6972a8660Devang Patel 578647e3016de18d2fc8b0f233a0b356809e3fdcc54Owen Anderson MDNode *Init = MDNode::get(Context, Elts.data(), Elts.size()); 5790834e6a07b1965712781804b0113a8b282f40a5fChris Lattner 5800834e6a07b1965712781804b0113a8b282f40a5fChris Lattner // See if this was forward referenced, if so, handle it. 581e80250ec84e6e3aa916a66acc507241e7bde89c9Chris Lattner std::map<unsigned, std::pair<TrackingVH<MDNode>, LocTy> >::iterator 5821c7eea60d3cbada2bae54c42fa178078a3ace9b3Devang Patel FI = ForwardRefMDNodes.find(MetadataID); 5831c7eea60d3cbada2bae54c42fa178078a3ace9b3Devang Patel if (FI != ForwardRefMDNodes.end()) { 584489b29b0a4ee4526e3d50ad88d3d48745baf5042Dan Gohman MDNode *Temp = FI->second.first; 585489b29b0a4ee4526e3d50ad88d3d48745baf5042Dan Gohman Temp->replaceAllUsesWith(Init); 586489b29b0a4ee4526e3d50ad88d3d48745baf5042Dan Gohman MDNode::deleteTemporary(Temp); 5871c7eea60d3cbada2bae54c42fa178078a3ace9b3Devang Patel ForwardRefMDNodes.erase(FI); 5880834e6a07b1965712781804b0113a8b282f40a5fChris Lattner 5890834e6a07b1965712781804b0113a8b282f40a5fChris Lattner assert(NumberedMetadata[MetadataID] == Init && "Tracking VH didn't work"); 5900834e6a07b1965712781804b0113a8b282f40a5fChris Lattner } else { 5910834e6a07b1965712781804b0113a8b282f40a5fChris Lattner if (MetadataID >= NumberedMetadata.size()) 5920834e6a07b1965712781804b0113a8b282f40a5fChris Lattner NumberedMetadata.resize(MetadataID+1); 5930834e6a07b1965712781804b0113a8b282f40a5fChris Lattner 5940834e6a07b1965712781804b0113a8b282f40a5fChris Lattner if (NumberedMetadata[MetadataID] != 0) 5950834e6a07b1965712781804b0113a8b282f40a5fChris Lattner return TokError("Metadata id is already used"); 5960834e6a07b1965712781804b0113a8b282f40a5fChris Lattner NumberedMetadata[MetadataID] = Init; 5971c7eea60d3cbada2bae54c42fa178078a3ace9b3Devang Patel } 5981c7eea60d3cbada2bae54c42fa178078a3ace9b3Devang Patel 599923078c65d5a37a4f135705300c9feea49487de5Devang Patel return false; 600923078c65d5a37a4f135705300c9feea49487de5Devang Patel} 601923078c65d5a37a4f135705300c9feea49487de5Devang Patel 602df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ParseAlias: 603df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= GlobalVar '=' OptionalVisibility 'alias' OptionalLinkage Aliasee 604df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// Aliasee 605040f758e3abc75bdf6ddb1ce7bea1e1ed1293ccfChris Lattner/// ::= TypeAndValue 606040f758e3abc75bdf6ddb1ce7bea1e1ed1293ccfChris Lattner/// ::= 'bitcast' '(' TypeAndValue 'to' Type ')' 607dd8004dc73d091ccb3927dbbc3b41639a3738ae3Dan Gohman/// ::= 'getelementptr' 'inbounds'? '(' ... ')' 608df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// 609df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// Everything through visibility has already been parsed. 610df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// 611df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ParseAlias(const std::string &Name, LocTy NameLoc, 612df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner unsigned Visibility) { 613df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner assert(Lex.getKind() == lltok::kw_alias); 614df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.Lex(); 615df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner unsigned Linkage; 616df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner LocTy LinkageLoc = Lex.getLoc(); 617df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseOptionalLinkage(Linkage)) 618df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 619df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 620df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Linkage != GlobalValue::ExternalLinkage && 621667d4b8de6dea70195ff12ef39a4deebffa2f5c7Duncan Sands Linkage != GlobalValue::WeakAnyLinkage && 622667d4b8de6dea70195ff12ef39a4deebffa2f5c7Duncan Sands Linkage != GlobalValue::WeakODRLinkage && 623bb46f52027416598a662dc1c58f48d9d56b1a65bRafael Espindola Linkage != GlobalValue::InternalLinkage && 6243d10a5a75794356a0a568ce283713adc3a963200Bill Wendling Linkage != GlobalValue::PrivateLinkage && 6255e721d768254a920b78b9129d79a84c0163cb3f4Bill Wendling Linkage != GlobalValue::LinkerPrivateLinkage && 62655ae515f9db484125a23429d4906c5edaf9f10d2Bill Wendling Linkage != GlobalValue::LinkerPrivateWeakLinkage && 62755ae515f9db484125a23429d4906c5edaf9f10d2Bill Wendling Linkage != GlobalValue::LinkerPrivateWeakDefAutoLinkage) 628df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(LinkageLoc, "invalid linkage type for alias"); 629a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 630df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Constant *Aliasee; 631df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner LocTy AliaseeLoc = Lex.getLoc(); 632040f758e3abc75bdf6ddb1ce7bea1e1ed1293ccfChris Lattner if (Lex.getKind() != lltok::kw_bitcast && 633040f758e3abc75bdf6ddb1ce7bea1e1ed1293ccfChris Lattner Lex.getKind() != lltok::kw_getelementptr) { 634df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseGlobalTypeAndValue(Aliasee)) return true; 635df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } else { 636df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // The bitcast dest type is not present, it is implied by the dest type. 637df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ValID ID; 638df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseValID(ID)) return true; 639df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ID.Kind != ValID::t_Constant) 640df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(AliaseeLoc, "invalid aliasee"); 641df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Aliasee = ID.ConstantVal; 642df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 643a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 6441df9859c40492511b8aa4321eb76496005d3b75bDuncan Sands if (!Aliasee->getType()->isPointerTy()) 645df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(AliaseeLoc, "alias must have pointer type"); 646df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 647df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Okay, create the alias but do not insert it into the module yet. 648df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner GlobalAlias* GA = new GlobalAlias(Aliasee->getType(), 649df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner (GlobalValue::LinkageTypes)Linkage, Name, 650df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Aliasee); 651df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner GA->setVisibility((GlobalValue::VisibilityTypes)Visibility); 652a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 653df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // See if this value already exists in the symbol table. If so, it is either 654df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // a redefinition or a definition of a forward reference. 6551d871c5e547996a8dd5192e48d22aadf11cd2a9dChris Lattner if (GlobalValue *Val = M->getNamedValue(Name)) { 656df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // See if this was a redefinition. If so, there is no entry in 657df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // ForwardRefVals. 658df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner std::map<std::string, std::pair<GlobalValue*, LocTy> >::iterator 659df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner I = ForwardRefVals.find(Name); 660df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (I == ForwardRefVals.end()) 661df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(NameLoc, "redefinition of global named '@" + Name + "'"); 662df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 663df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Otherwise, this was a definition of forward ref. Verify that types 664df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // agree. 665df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Val->getType() != GA->getType()) 666df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(NameLoc, 667df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner "forward reference and definition of alias have different types"); 668a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 669df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // If they agree, just RAUW the old value with the alias and remove the 670df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // forward ref info. 671df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Val->replaceAllUsesWith(GA); 672df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Val->eraseFromParent(); 673df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ForwardRefVals.erase(I); 674df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 675a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 676df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Insert into the module, we know its name won't collide now. 677df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner M->getAliasList().push_back(GA); 678af81235ef96a7a005b7fdfe5a64cce30df3d820dBenjamin Kramer assert(GA->getName() == Name && "Should not be a name conflict!"); 679a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 680df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 681df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 682df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 683df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ParseGlobal 684df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= GlobalVar '=' OptionalLinkage OptionalVisibility OptionalThreadLocal 685df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// OptionalAddrSpace GlobalType Type Const 686df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= OptionalLinkage OptionalVisibility OptionalThreadLocal 687df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// OptionalAddrSpace GlobalType Type Const 688df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// 689df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// Everything through visibility has been parsed already. 690df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// 691df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ParseGlobal(const std::string &Name, LocTy NameLoc, 692df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner unsigned Linkage, bool HasLinkage, 693df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner unsigned Visibility) { 694df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner unsigned AddrSpace; 695df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner bool ThreadLocal, IsConstant; 696df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner LocTy TyLoc; 697a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 6981d0be15f89cb5056e20e2d24faa8d6afb1573bcaOwen Anderson PATypeHolder Ty(Type::getVoidTy(Context)); 699df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseOptionalToken(lltok::kw_thread_local, ThreadLocal) || 700df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseOptionalAddrSpace(AddrSpace) || 701df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseGlobalType(IsConstant) || 702df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseType(Ty, TyLoc)) 703df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 704a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 705df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // If the linkage is specified and is external, then no initializer is 706df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // present. 707df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Constant *Init = 0; 708df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!HasLinkage || (Linkage != GlobalValue::DLLImportLinkage && 7095f4ee1fc5d00ae55c30fa2ce450c69be4c6d6e63Duncan Sands Linkage != GlobalValue::ExternalWeakLinkage && 710df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Linkage != GlobalValue::ExternalLinkage)) { 711df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseGlobalValue(Ty, Init)) 712df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 713df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 714df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 7151df9859c40492511b8aa4321eb76496005d3b75bDuncan Sands if (Ty->isFunctionTy() || Ty->isLabelTy()) 7164a2f112a5c774cb1ab3fd890a88ba1db9709f561Chris Lattner return Error(TyLoc, "invalid type for global variable"); 717a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 718df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner GlobalVariable *GV = 0; 719df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 720df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // See if the global was forward referenced, if so, use the global. 72191dad87ddc1e69ac5fa8953a583de4185e1dd0d7Chris Lattner if (!Name.empty()) { 7221d871c5e547996a8dd5192e48d22aadf11cd2a9dChris Lattner if (GlobalValue *GVal = M->getNamedValue(Name)) { 7231d871c5e547996a8dd5192e48d22aadf11cd2a9dChris Lattner if (!ForwardRefVals.erase(Name) || !isa<GlobalValue>(GVal)) 7241d871c5e547996a8dd5192e48d22aadf11cd2a9dChris Lattner return Error(NameLoc, "redefinition of global '@" + Name + "'"); 7251d871c5e547996a8dd5192e48d22aadf11cd2a9dChris Lattner GV = cast<GlobalVariable>(GVal); 7261d871c5e547996a8dd5192e48d22aadf11cd2a9dChris Lattner } 727df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } else { 728df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner std::map<unsigned, std::pair<GlobalValue*, LocTy> >::iterator 729df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner I = ForwardRefValIDs.find(NumberedVals.size()); 730df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (I != ForwardRefValIDs.end()) { 731df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner GV = cast<GlobalVariable>(I->second.first); 732df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ForwardRefValIDs.erase(I); 733df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 734df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 735df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 736df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (GV == 0) { 737a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar GV = new GlobalVariable(*M, Ty, false, GlobalValue::ExternalLinkage, 0, 738e9b11b431308f4766b73cda93e38ec930c912122Owen Anderson Name, 0, false, AddrSpace); 739df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } else { 740df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (GV->getType()->getElementType() != Ty) 741df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(TyLoc, 742df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner "forward reference and definition of global have different types"); 743a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 744df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Move the forward-reference to the correct spot in the module. 745df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner M->getGlobalList().splice(M->global_end(), M->getGlobalList(), GV); 746df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 747df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 748df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Name.empty()) 749df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner NumberedVals.push_back(GV); 750a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 751df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Set the parsed properties on the global. 752df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Init) 753df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner GV->setInitializer(Init); 754df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner GV->setConstant(IsConstant); 755df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner GV->setLinkage((GlobalValue::LinkageTypes)Linkage); 756df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner GV->setVisibility((GlobalValue::VisibilityTypes)Visibility); 757df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner GV->setThreadLocal(ThreadLocal); 758a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 759df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Parse attributes on the global. 760df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner while (Lex.getKind() == lltok::comma) { 761df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.Lex(); 762a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 763df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Lex.getKind() == lltok::kw_section) { 764df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.Lex(); 765df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner GV->setSection(Lex.getStrVal()); 766df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseToken(lltok::StringConstant, "expected global section string")) 767df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 768df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } else if (Lex.getKind() == lltok::kw_align) { 769df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner unsigned Alignment; 770df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseOptionalAlignment(Alignment)) return true; 771df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner GV->setAlignment(Alignment); 772df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } else { 773df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner TokError("unknown global variable property!"); 774df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 775df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 776a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 777df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 778df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 779df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 780df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 781df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner//===----------------------------------------------------------------------===// 782df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner// GlobalValue Reference/Resolution Routines. 783df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner//===----------------------------------------------------------------------===// 784df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 785df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// GetGlobalVal - Get a value with the specified name or ID, creating a 786df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// forward reference record if needed. This can return null if the value 787df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// exists but does not have the right type. 788df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris LattnerGlobalValue *LLParser::GetGlobalVal(const std::string &Name, const Type *Ty, 789df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner LocTy Loc) { 790df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner const PointerType *PTy = dyn_cast<PointerType>(Ty); 791df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (PTy == 0) { 792df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Error(Loc, "global variable reference must have pointer type"); 793df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return 0; 794df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 795a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 796df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Look this name up in the normal function symbol table. 797df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner GlobalValue *Val = 798df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner cast_or_null<GlobalValue>(M->getValueSymbolTable().lookup(Name)); 799a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 800df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // If this is a forward reference for the value, see if we already created a 801df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // forward ref record. 802df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Val == 0) { 803df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner std::map<std::string, std::pair<GlobalValue*, LocTy> >::iterator 804df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner I = ForwardRefVals.find(Name); 805df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (I != ForwardRefVals.end()) 806df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Val = I->second.first; 807df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 808a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 809df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // If we have the value in the symbol table or fwd-ref table, return it. 810df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Val) { 811df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Val->getType() == Ty) return Val; 812df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Error(Loc, "'@" + Name + "' defined with type '" + 813df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Val->getType()->getDescription() + "'"); 814df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return 0; 815df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 816a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 817df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Otherwise, create a new forward reference for this value and remember it. 818df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner GlobalValue *FwdVal; 8191e407c338f6944242facb1e0c32903162cc366f0Chris Lattner if (const FunctionType *FT = dyn_cast<FunctionType>(PTy->getElementType())) { 8201e407c338f6944242facb1e0c32903162cc366f0Chris Lattner // Function types can return opaque but functions can't. 82147c5188789bc40671504ed1fa3a44765cefba44fDuncan Sands if (FT->getReturnType()->isOpaqueTy()) { 8221e407c338f6944242facb1e0c32903162cc366f0Chris Lattner Error(Loc, "function may not return opaque type"); 8231e407c338f6944242facb1e0c32903162cc366f0Chris Lattner return 0; 8241e407c338f6944242facb1e0c32903162cc366f0Chris Lattner } 825a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 8265f4ee1fc5d00ae55c30fa2ce450c69be4c6d6e63Duncan Sands FwdVal = Function::Create(FT, GlobalValue::ExternalWeakLinkage, Name, M); 8271e407c338f6944242facb1e0c32903162cc366f0Chris Lattner } else { 828e9b11b431308f4766b73cda93e38ec930c912122Owen Anderson FwdVal = new GlobalVariable(*M, PTy->getElementType(), false, 829e9b11b431308f4766b73cda93e38ec930c912122Owen Anderson GlobalValue::ExternalWeakLinkage, 0, Name); 8301e407c338f6944242facb1e0c32903162cc366f0Chris Lattner } 831a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 832df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ForwardRefVals[Name] = std::make_pair(FwdVal, Loc); 833df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return FwdVal; 834df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 835df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 836df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris LattnerGlobalValue *LLParser::GetGlobalVal(unsigned ID, const Type *Ty, LocTy Loc) { 837df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner const PointerType *PTy = dyn_cast<PointerType>(Ty); 838df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (PTy == 0) { 839df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Error(Loc, "global variable reference must have pointer type"); 840df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return 0; 841df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 842a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 843df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner GlobalValue *Val = ID < NumberedVals.size() ? NumberedVals[ID] : 0; 844a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 845df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // If this is a forward reference for the value, see if we already created a 846df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // forward ref record. 847df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Val == 0) { 848df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner std::map<unsigned, std::pair<GlobalValue*, LocTy> >::iterator 849df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner I = ForwardRefValIDs.find(ID); 850df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (I != ForwardRefValIDs.end()) 851df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Val = I->second.first; 852df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 853a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 854df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // If we have the value in the symbol table or fwd-ref table, return it. 855df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Val) { 856df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Val->getType() == Ty) return Val; 857d1e1703c39742f3c9fc3d27a442ff59bbdbfb5aaBenjamin Kramer Error(Loc, "'@" + Twine(ID) + "' defined with type '" + 858df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Val->getType()->getDescription() + "'"); 859df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return 0; 860df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 861a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 862df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Otherwise, create a new forward reference for this value and remember it. 863df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner GlobalValue *FwdVal; 864830703b1bd88511e29eec76b1fd146524bc9c5a1Chris Lattner if (const FunctionType *FT = dyn_cast<FunctionType>(PTy->getElementType())) { 865830703b1bd88511e29eec76b1fd146524bc9c5a1Chris Lattner // Function types can return opaque but functions can't. 86647c5188789bc40671504ed1fa3a44765cefba44fDuncan Sands if (FT->getReturnType()->isOpaqueTy()) { 8670d8484f2edb1069522f5c3de6467433e0fbe9323Chris Lattner Error(Loc, "function may not return opaque type"); 868830703b1bd88511e29eec76b1fd146524bc9c5a1Chris Lattner return 0; 869830703b1bd88511e29eec76b1fd146524bc9c5a1Chris Lattner } 8705f4ee1fc5d00ae55c30fa2ce450c69be4c6d6e63Duncan Sands FwdVal = Function::Create(FT, GlobalValue::ExternalWeakLinkage, "", M); 871830703b1bd88511e29eec76b1fd146524bc9c5a1Chris Lattner } else { 872e9b11b431308f4766b73cda93e38ec930c912122Owen Anderson FwdVal = new GlobalVariable(*M, PTy->getElementType(), false, 873e9b11b431308f4766b73cda93e38ec930c912122Owen Anderson GlobalValue::ExternalWeakLinkage, 0, ""); 874830703b1bd88511e29eec76b1fd146524bc9c5a1Chris Lattner } 875a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 876df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ForwardRefValIDs[ID] = std::make_pair(FwdVal, Loc); 877df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return FwdVal; 878df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 879df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 880df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 881df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner//===----------------------------------------------------------------------===// 882df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner// Helper Routines. 883df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner//===----------------------------------------------------------------------===// 884df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 885df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ParseToken - If the current token has the specified kind, eat it and return 886df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// success. Otherwise, emit the specified error and return failure. 887df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ParseToken(lltok::Kind T, const char *ErrMsg) { 888df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Lex.getKind() != T) 889df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return TokError(ErrMsg); 890df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.Lex(); 891df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 892df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 893df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 8943ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner/// ParseStringConstant 8953ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner/// ::= StringConstant 8963ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattnerbool LLParser::ParseStringConstant(std::string &Result) { 8973ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner if (Lex.getKind() != lltok::StringConstant) 8983ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner return TokError("expected string constant"); 8993ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner Result = Lex.getStrVal(); 9003ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner Lex.Lex(); 9013ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner return false; 9023ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner} 9033ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner 9043ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner/// ParseUInt32 9053ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner/// ::= uint32 9063ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattnerbool LLParser::ParseUInt32(unsigned &Val) { 907df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Lex.getKind() != lltok::APSInt || Lex.getAPSIntVal().isSigned()) 908df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return TokError("expected integer"); 909df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner uint64_t Val64 = Lex.getAPSIntVal().getLimitedValue(0xFFFFFFFFULL+1); 910df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Val64 != unsigned(Val64)) 911df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return TokError("expected 32-bit integer (too large)"); 912df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Val = Val64; 913df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.Lex(); 914df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 915df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 916df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 917df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 918df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ParseOptionalAddrSpace 919df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// := /*empty*/ 920df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// := 'addrspace' '(' uint32 ')' 921df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ParseOptionalAddrSpace(unsigned &AddrSpace) { 922df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner AddrSpace = 0; 9233ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner if (!EatIfPresent(lltok::kw_addrspace)) 924df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 925df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return ParseToken(lltok::lparen, "expected '(' in address space") || 9263ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner ParseUInt32(AddrSpace) || 927df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseToken(lltok::rparen, "expected ')' in address space"); 928a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar} 929df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 930df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ParseOptionalAttrs - Parse a potentially empty attribute list. AttrKind 931df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// indicates what kind of attribute list this is: 0: function arg, 1: result, 932df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// 2: function attr. 933ad9ad7c827b585c018288c89d611d8c97d8d2e7dChris Lattner/// 3: function arg after value: FIXME: REMOVE IN LLVM 3.0 934df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ParseOptionalAttrs(unsigned &Attrs, unsigned AttrKind) { 935df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Attrs = Attribute::None; 936df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner LocTy AttrLoc = Lex.getLoc(); 937a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 938df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner while (1) { 939df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner switch (Lex.getKind()) { 940df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_sext: 941df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_zext: 942ad9ad7c827b585c018288c89d611d8c97d8d2e7dChris Lattner // Treat these as signext/zeroext if they occur in the argument list after 943ad9ad7c827b585c018288c89d611d8c97d8d2e7dChris Lattner // the value, as in "call i8 @foo(i8 10 sext)". If they occur before the 944ad9ad7c827b585c018288c89d611d8c97d8d2e7dChris Lattner // value, as in "call i8 @foo(i8 sext (" then it is part of a constant 945ad9ad7c827b585c018288c89d611d8c97d8d2e7dChris Lattner // expr. 946df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // FIXME: REMOVE THIS IN LLVM 3.0 947ad9ad7c827b585c018288c89d611d8c97d8d2e7dChris Lattner if (AttrKind == 3) { 948df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Lex.getKind() == lltok::kw_sext) 949df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Attrs |= Attribute::SExt; 950df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner else 951df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Attrs |= Attribute::ZExt; 952df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner break; 953df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 954df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // FALL THROUGH. 955df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner default: // End of attributes. 956df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (AttrKind != 2 && (Attrs & Attribute::FunctionOnly)) 957df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(AttrLoc, "invalid use of function-only attribute"); 958a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 959ad9ad7c827b585c018288c89d611d8c97d8d2e7dChris Lattner if (AttrKind != 0 && AttrKind != 3 && (Attrs & Attribute::ParameterOnly)) 960df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(AttrLoc, "invalid use of parameter-only attribute"); 961a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 962df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 963578efa920abd218ba75a0fb3c9b8398f4c0a774bDevang Patel case lltok::kw_zeroext: Attrs |= Attribute::ZExt; break; 964578efa920abd218ba75a0fb3c9b8398f4c0a774bDevang Patel case lltok::kw_signext: Attrs |= Attribute::SExt; break; 965578efa920abd218ba75a0fb3c9b8398f4c0a774bDevang Patel case lltok::kw_inreg: Attrs |= Attribute::InReg; break; 966578efa920abd218ba75a0fb3c9b8398f4c0a774bDevang Patel case lltok::kw_sret: Attrs |= Attribute::StructRet; break; 967578efa920abd218ba75a0fb3c9b8398f4c0a774bDevang Patel case lltok::kw_noalias: Attrs |= Attribute::NoAlias; break; 968578efa920abd218ba75a0fb3c9b8398f4c0a774bDevang Patel case lltok::kw_nocapture: Attrs |= Attribute::NoCapture; break; 969578efa920abd218ba75a0fb3c9b8398f4c0a774bDevang Patel case lltok::kw_byval: Attrs |= Attribute::ByVal; break; 970578efa920abd218ba75a0fb3c9b8398f4c0a774bDevang Patel case lltok::kw_nest: Attrs |= Attribute::Nest; break; 971578efa920abd218ba75a0fb3c9b8398f4c0a774bDevang Patel 972578efa920abd218ba75a0fb3c9b8398f4c0a774bDevang Patel case lltok::kw_noreturn: Attrs |= Attribute::NoReturn; break; 973578efa920abd218ba75a0fb3c9b8398f4c0a774bDevang Patel case lltok::kw_nounwind: Attrs |= Attribute::NoUnwind; break; 974578efa920abd218ba75a0fb3c9b8398f4c0a774bDevang Patel case lltok::kw_noinline: Attrs |= Attribute::NoInline; break; 975578efa920abd218ba75a0fb3c9b8398f4c0a774bDevang Patel case lltok::kw_readnone: Attrs |= Attribute::ReadNone; break; 976578efa920abd218ba75a0fb3c9b8398f4c0a774bDevang Patel case lltok::kw_readonly: Attrs |= Attribute::ReadOnly; break; 977570a4a5d9ca31f276a67502d1e0533d59d331feaJakob Stoklund Olesen case lltok::kw_inlinehint: Attrs |= Attribute::InlineHint; break; 978578efa920abd218ba75a0fb3c9b8398f4c0a774bDevang Patel case lltok::kw_alwaysinline: Attrs |= Attribute::AlwaysInline; break; 979578efa920abd218ba75a0fb3c9b8398f4c0a774bDevang Patel case lltok::kw_optsize: Attrs |= Attribute::OptimizeForSize; break; 980578efa920abd218ba75a0fb3c9b8398f4c0a774bDevang Patel case lltok::kw_ssp: Attrs |= Attribute::StackProtect; break; 981578efa920abd218ba75a0fb3c9b8398f4c0a774bDevang Patel case lltok::kw_sspreq: Attrs |= Attribute::StackProtectReq; break; 982578efa920abd218ba75a0fb3c9b8398f4c0a774bDevang Patel case lltok::kw_noredzone: Attrs |= Attribute::NoRedZone; break; 983578efa920abd218ba75a0fb3c9b8398f4c0a774bDevang Patel case lltok::kw_noimplicitfloat: Attrs |= Attribute::NoImplicitFloat; break; 984c5ec8a78ea898087ad361e5b755f74a76150e5fdAnton Korobeynikov case lltok::kw_naked: Attrs |= Attribute::Naked; break; 985970bfcc7d8b9991430caa7ab33975617f3f4c40dCharles Davis case lltok::kw_hotpatch: Attrs |= Attribute::Hotpatch; break; 986a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 9871e063d14df0f182626ebdd7ac7f32405aa754e03Charles Davis case lltok::kw_alignstack: { 9881e063d14df0f182626ebdd7ac7f32405aa754e03Charles Davis unsigned Alignment; 9891e063d14df0f182626ebdd7ac7f32405aa754e03Charles Davis if (ParseOptionalStackAlignment(Alignment)) 9901e063d14df0f182626ebdd7ac7f32405aa754e03Charles Davis return true; 9911e063d14df0f182626ebdd7ac7f32405aa754e03Charles Davis Attrs |= Attribute::constructStackAlignmentFromInt(Alignment); 9921e063d14df0f182626ebdd7ac7f32405aa754e03Charles Davis continue; 9931e063d14df0f182626ebdd7ac7f32405aa754e03Charles Davis } 9941e063d14df0f182626ebdd7ac7f32405aa754e03Charles Davis 995df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_align: { 996df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner unsigned Alignment; 997df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseOptionalAlignment(Alignment)) 998df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 999df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Attrs |= Attribute::constructAlignmentFromInt(Alignment); 1000df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner continue; 1001df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 10021e063d14df0f182626ebdd7ac7f32405aa754e03Charles Davis 1003df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 1004df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.Lex(); 1005df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 1006df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 1007df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 1008df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ParseOptionalLinkage 1009df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= /*empty*/ 1010bb46f52027416598a662dc1c58f48d9d56b1a65bRafael Espindola/// ::= 'private' 10113d10a5a75794356a0a568ce283713adc3a963200Bill Wendling/// ::= 'linker_private' 10125e721d768254a920b78b9129d79a84c0163cb3f4Bill Wendling/// ::= 'linker_private_weak' 101355ae515f9db484125a23429d4906c5edaf9f10d2Bill Wendling/// ::= 'linker_private_weak_def_auto' 1014df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= 'internal' 1015df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= 'weak' 1016667d4b8de6dea70195ff12ef39a4deebffa2f5c7Duncan Sands/// ::= 'weak_odr' 1017df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= 'linkonce' 1018667d4b8de6dea70195ff12ef39a4deebffa2f5c7Duncan Sands/// ::= 'linkonce_odr' 10195e721d768254a920b78b9129d79a84c0163cb3f4Bill Wendling/// ::= 'available_externally' 1020df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= 'appending' 1021df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= 'dllexport' 1022df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= 'common' 1023df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= 'dllimport' 1024df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= 'extern_weak' 1025df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= 'external' 1026df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ParseOptionalLinkage(unsigned &Res, bool &HasLinkage) { 1027df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner HasLinkage = false; 1028df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner switch (Lex.getKind()) { 10293d10a5a75794356a0a568ce283713adc3a963200Bill Wendling default: Res=GlobalValue::ExternalLinkage; return false; 10303d10a5a75794356a0a568ce283713adc3a963200Bill Wendling case lltok::kw_private: Res = GlobalValue::PrivateLinkage; break; 10313d10a5a75794356a0a568ce283713adc3a963200Bill Wendling case lltok::kw_linker_private: Res = GlobalValue::LinkerPrivateLinkage; break; 10325e721d768254a920b78b9129d79a84c0163cb3f4Bill Wendling case lltok::kw_linker_private_weak: 10335e721d768254a920b78b9129d79a84c0163cb3f4Bill Wendling Res = GlobalValue::LinkerPrivateWeakLinkage; 10345e721d768254a920b78b9129d79a84c0163cb3f4Bill Wendling break; 103555ae515f9db484125a23429d4906c5edaf9f10d2Bill Wendling case lltok::kw_linker_private_weak_def_auto: 103655ae515f9db484125a23429d4906c5edaf9f10d2Bill Wendling Res = GlobalValue::LinkerPrivateWeakDefAutoLinkage; 103755ae515f9db484125a23429d4906c5edaf9f10d2Bill Wendling break; 10383d10a5a75794356a0a568ce283713adc3a963200Bill Wendling case lltok::kw_internal: Res = GlobalValue::InternalLinkage; break; 10393d10a5a75794356a0a568ce283713adc3a963200Bill Wendling case lltok::kw_weak: Res = GlobalValue::WeakAnyLinkage; break; 10403d10a5a75794356a0a568ce283713adc3a963200Bill Wendling case lltok::kw_weak_odr: Res = GlobalValue::WeakODRLinkage; break; 10413d10a5a75794356a0a568ce283713adc3a963200Bill Wendling case lltok::kw_linkonce: Res = GlobalValue::LinkOnceAnyLinkage; break; 10423d10a5a75794356a0a568ce283713adc3a963200Bill Wendling case lltok::kw_linkonce_odr: Res = GlobalValue::LinkOnceODRLinkage; break; 1043266c7bbbbcc4b326dea82e577de1a415d6acc23eChris Lattner case lltok::kw_available_externally: 1044266c7bbbbcc4b326dea82e577de1a415d6acc23eChris Lattner Res = GlobalValue::AvailableExternallyLinkage; 1045266c7bbbbcc4b326dea82e577de1a415d6acc23eChris Lattner break; 10463d10a5a75794356a0a568ce283713adc3a963200Bill Wendling case lltok::kw_appending: Res = GlobalValue::AppendingLinkage; break; 10473d10a5a75794356a0a568ce283713adc3a963200Bill Wendling case lltok::kw_dllexport: Res = GlobalValue::DLLExportLinkage; break; 10483d10a5a75794356a0a568ce283713adc3a963200Bill Wendling case lltok::kw_common: Res = GlobalValue::CommonLinkage; break; 10493d10a5a75794356a0a568ce283713adc3a963200Bill Wendling case lltok::kw_dllimport: Res = GlobalValue::DLLImportLinkage; break; 10503d10a5a75794356a0a568ce283713adc3a963200Bill Wendling case lltok::kw_extern_weak: Res = GlobalValue::ExternalWeakLinkage; break; 10513d10a5a75794356a0a568ce283713adc3a963200Bill Wendling case lltok::kw_external: Res = GlobalValue::ExternalLinkage; break; 1052df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 1053df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.Lex(); 1054df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner HasLinkage = true; 1055df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 1056df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 1057df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 1058df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ParseOptionalVisibility 1059df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= /*empty*/ 1060df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= 'default' 1061df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= 'hidden' 1062df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= 'protected' 1063a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar/// 1064df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ParseOptionalVisibility(unsigned &Res) { 1065df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner switch (Lex.getKind()) { 1066df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner default: Res = GlobalValue::DefaultVisibility; return false; 1067df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_default: Res = GlobalValue::DefaultVisibility; break; 1068df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_hidden: Res = GlobalValue::HiddenVisibility; break; 1069df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_protected: Res = GlobalValue::ProtectedVisibility; break; 1070df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 1071df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.Lex(); 1072df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 1073df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 1074df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 1075df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ParseOptionalCallingConv 1076df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= /*empty*/ 1077df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= 'ccc' 1078df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= 'fastcc' 1079df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= 'coldcc' 1080df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= 'x86_stdcallcc' 1081df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= 'x86_fastcallcc' 1082ded05e34b65dc42998e9db6ca1abd513e7a9d120Anton Korobeynikov/// ::= 'x86_thiscallcc' 1083385f5a99ecc7fee48a7539bc63d3e1d3b5089c0dAnton Korobeynikov/// ::= 'arm_apcscc' 1084385f5a99ecc7fee48a7539bc63d3e1d3b5089c0dAnton Korobeynikov/// ::= 'arm_aapcscc' 1085385f5a99ecc7fee48a7539bc63d3e1d3b5089c0dAnton Korobeynikov/// ::= 'arm_aapcs_vfpcc' 1086211a14e476abc9b864ab6a5d5e0bbb86d288b650Anton Korobeynikov/// ::= 'msp430_intrcc' 1087f9930da2ef72350c6c805af09e754e4e6e13d47bChe-Liang Chiou/// ::= 'ptx_kernel' 1088f9930da2ef72350c6c805af09e754e4e6e13d47bChe-Liang Chiou/// ::= 'ptx_device' 1089df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= 'cc' UINT 1090385f5a99ecc7fee48a7539bc63d3e1d3b5089c0dAnton Korobeynikov/// 109165c3c8f323198b99b88b109654194540cf9b3fa5Sandeep Patelbool LLParser::ParseOptionalCallingConv(CallingConv::ID &CC) { 1092df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner switch (Lex.getKind()) { 1093df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner default: CC = CallingConv::C; return false; 1094df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_ccc: CC = CallingConv::C; break; 1095df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_fastcc: CC = CallingConv::Fast; break; 1096df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_coldcc: CC = CallingConv::Cold; break; 1097df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_x86_stdcallcc: CC = CallingConv::X86_StdCall; break; 1098df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_x86_fastcallcc: CC = CallingConv::X86_FastCall; break; 1099ded05e34b65dc42998e9db6ca1abd513e7a9d120Anton Korobeynikov case lltok::kw_x86_thiscallcc: CC = CallingConv::X86_ThisCall; break; 1100385f5a99ecc7fee48a7539bc63d3e1d3b5089c0dAnton Korobeynikov case lltok::kw_arm_apcscc: CC = CallingConv::ARM_APCS; break; 1101385f5a99ecc7fee48a7539bc63d3e1d3b5089c0dAnton Korobeynikov case lltok::kw_arm_aapcscc: CC = CallingConv::ARM_AAPCS; break; 1102385f5a99ecc7fee48a7539bc63d3e1d3b5089c0dAnton Korobeynikov case lltok::kw_arm_aapcs_vfpcc:CC = CallingConv::ARM_AAPCS_VFP; break; 1103211a14e476abc9b864ab6a5d5e0bbb86d288b650Anton Korobeynikov case lltok::kw_msp430_intrcc: CC = CallingConv::MSP430_INTR; break; 1104f9930da2ef72350c6c805af09e754e4e6e13d47bChe-Liang Chiou case lltok::kw_ptx_kernel: CC = CallingConv::PTX_Kernel; break; 1105f9930da2ef72350c6c805af09e754e4e6e13d47bChe-Liang Chiou case lltok::kw_ptx_device: CC = CallingConv::PTX_Device; break; 110665c3c8f323198b99b88b109654194540cf9b3fa5Sandeep Patel case lltok::kw_cc: { 110765c3c8f323198b99b88b109654194540cf9b3fa5Sandeep Patel unsigned ArbitraryCC; 110865c3c8f323198b99b88b109654194540cf9b3fa5Sandeep Patel Lex.Lex(); 110965c3c8f323198b99b88b109654194540cf9b3fa5Sandeep Patel if (ParseUInt32(ArbitraryCC)) { 111065c3c8f323198b99b88b109654194540cf9b3fa5Sandeep Patel return true; 111165c3c8f323198b99b88b109654194540cf9b3fa5Sandeep Patel } else 111265c3c8f323198b99b88b109654194540cf9b3fa5Sandeep Patel CC = static_cast<CallingConv::ID>(ArbitraryCC); 111365c3c8f323198b99b88b109654194540cf9b3fa5Sandeep Patel return false; 111465c3c8f323198b99b88b109654194540cf9b3fa5Sandeep Patel } 111565c3c8f323198b99b88b109654194540cf9b3fa5Sandeep Patel break; 1116df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 1117a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1118df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.Lex(); 1119df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 1120df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 1121df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 1122b8c4686a46da2832ff4502136f16f71f789be078Chris Lattner/// ParseInstructionMetadata 11233f3a0f6b498e80ffaeb83f03c8697e5d54fd9337Chris Lattner/// ::= !dbg !42 (',' !dbg !57)* 11249d072f51ebf61edda9c31f831c2642d110170d13Dan Gohmanbool LLParser::ParseInstructionMetadata(Instruction *Inst, 11259d072f51ebf61edda9c31f831c2642d110170d13Dan Gohman PerFunctionState *PFS) { 1126b8c4686a46da2832ff4502136f16f71f789be078Chris Lattner do { 1127b8c4686a46da2832ff4502136f16f71f789be078Chris Lattner if (Lex.getKind() != lltok::MetadataVar) 1128b8c4686a46da2832ff4502136f16f71f789be078Chris Lattner return TokError("expected metadata after comma"); 11290475c9170e9621292a48c688c3976031be5650bbDevang Patel 11303f3a0f6b498e80ffaeb83f03c8697e5d54fd9337Chris Lattner std::string Name = Lex.getStrVal(); 1131309b3af547a60bedd74daa2a94ebd3d3ed5f06e9Dan Gohman unsigned MDK = M->getMDKindID(Name.c_str()); 11323f3a0f6b498e80ffaeb83f03c8697e5d54fd9337Chris Lattner Lex.Lex(); 113352e2031d4a5d76ff37458015a086285dfaceb6d2Chris Lattner 1134442ffa1c5688f32b275f7657b5ee3646bfe8ffa3Chris Lattner MDNode *Node; 1135449c3103c5d8a3105ac1a46187ac1c7e1bdc0ba2Chris Lattner SMLoc Loc = Lex.getLoc(); 1136309b3af547a60bedd74daa2a94ebd3d3ed5f06e9Dan Gohman 1137309b3af547a60bedd74daa2a94ebd3d3ed5f06e9Dan Gohman if (ParseToken(lltok::exclaim, "expected '!' here")) 1138e434d277ca5183eeb6f881000732dcf4c8edd52eChris Lattner return true; 1139a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 11406826114d6e10725d122dca9352dc2d99a0f693e9Dan Gohman // This code is similar to that of ParseMetadataValue, however it needs to 11416826114d6e10725d122dca9352dc2d99a0f693e9Dan Gohman // have special-case code for a forward reference; see the comments on 11426826114d6e10725d122dca9352dc2d99a0f693e9Dan Gohman // ForwardRefInstMetadata for details. Also, MDStrings are not supported 11436826114d6e10725d122dca9352dc2d99a0f693e9Dan Gohman // at the top level here. 1144309b3af547a60bedd74daa2a94ebd3d3ed5f06e9Dan Gohman if (Lex.getKind() == lltok::lbrace) { 1145309b3af547a60bedd74daa2a94ebd3d3ed5f06e9Dan Gohman ValID ID; 1146309b3af547a60bedd74daa2a94ebd3d3ed5f06e9Dan Gohman if (ParseMetadataListValue(ID, PFS)) 1147309b3af547a60bedd74daa2a94ebd3d3ed5f06e9Dan Gohman return true; 1148309b3af547a60bedd74daa2a94ebd3d3ed5f06e9Dan Gohman assert(ID.Kind == ValID::t_MDNode); 1149309b3af547a60bedd74daa2a94ebd3d3ed5f06e9Dan Gohman Inst->setMetadata(MDK, ID.MDNodeVal); 1150449c3103c5d8a3105ac1a46187ac1c7e1bdc0ba2Chris Lattner } else { 1151c6877b4ee11e1937b185114680a983facf9a29f8Nick Lewycky unsigned NodeID = 0; 1152309b3af547a60bedd74daa2a94ebd3d3ed5f06e9Dan Gohman if (ParseMDNodeID(Node, NodeID)) 1153309b3af547a60bedd74daa2a94ebd3d3ed5f06e9Dan Gohman return true; 1154309b3af547a60bedd74daa2a94ebd3d3ed5f06e9Dan Gohman if (Node) { 1155309b3af547a60bedd74daa2a94ebd3d3ed5f06e9Dan Gohman // If we got the node, add it to the instruction. 1156309b3af547a60bedd74daa2a94ebd3d3ed5f06e9Dan Gohman Inst->setMetadata(MDK, Node); 1157309b3af547a60bedd74daa2a94ebd3d3ed5f06e9Dan Gohman } else { 1158309b3af547a60bedd74daa2a94ebd3d3ed5f06e9Dan Gohman MDRef R = { Loc, MDK, NodeID }; 1159309b3af547a60bedd74daa2a94ebd3d3ed5f06e9Dan Gohman // Otherwise, remember that this should be resolved later. 1160309b3af547a60bedd74daa2a94ebd3d3ed5f06e9Dan Gohman ForwardRefInstMetadata[Inst].push_back(R); 1161309b3af547a60bedd74daa2a94ebd3d3ed5f06e9Dan Gohman } 1162449c3103c5d8a3105ac1a46187ac1c7e1bdc0ba2Chris Lattner } 11633f3a0f6b498e80ffaeb83f03c8697e5d54fd9337Chris Lattner 11643f3a0f6b498e80ffaeb83f03c8697e5d54fd9337Chris Lattner // If this is the end of the list, we're done. 1165b8c4686a46da2832ff4502136f16f71f789be078Chris Lattner } while (EatIfPresent(lltok::comma)); 1166b8c4686a46da2832ff4502136f16f71f789be078Chris Lattner return false; 1167f633a065de959b32892c51d741d4db010c5d25b1Devang Patel} 1168f633a065de959b32892c51d741d4db010c5d25b1Devang Patel 1169df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ParseOptionalAlignment 1170df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= /* empty */ 1171df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= 'align' 4 1172df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ParseOptionalAlignment(unsigned &Alignment) { 1173df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Alignment = 0; 11743ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner if (!EatIfPresent(lltok::kw_align)) 11753ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner return false; 11763fbb3ab14d86f752a933b5af4e6728c5e57e1155Chris Lattner LocTy AlignLoc = Lex.getLoc(); 11773fbb3ab14d86f752a933b5af4e6728c5e57e1155Chris Lattner if (ParseUInt32(Alignment)) return true; 11783fbb3ab14d86f752a933b5af4e6728c5e57e1155Chris Lattner if (!isPowerOf2_32(Alignment)) 11793fbb3ab14d86f752a933b5af4e6728c5e57e1155Chris Lattner return Error(AlignLoc, "alignment is not a power of two"); 1180e16829b401409b398c9de9847c1d12eb931f7d63Dan Gohman if (Alignment > Value::MaximumAlignment) 1181138aa2a82bc6de611f28e51332fb0a30262a58e3Dan Gohman return Error(AlignLoc, "huge alignments are not supported yet"); 11823fbb3ab14d86f752a933b5af4e6728c5e57e1155Chris Lattner return false; 1183df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 1184df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 1185c3a6c5c83b5fa7b813de1741ac9e9be702b03846Chris Lattner/// ParseOptionalCommaAlign 1186c3a6c5c83b5fa7b813de1741ac9e9be702b03846Chris Lattner/// ::= 1187c3a6c5c83b5fa7b813de1741ac9e9be702b03846Chris Lattner/// ::= ',' align 4 1188c3a6c5c83b5fa7b813de1741ac9e9be702b03846Chris Lattner/// 1189c3a6c5c83b5fa7b813de1741ac9e9be702b03846Chris Lattner/// This returns with AteExtraComma set to true if it ate an excess comma at the 1190c3a6c5c83b5fa7b813de1741ac9e9be702b03846Chris Lattner/// end. 1191c3a6c5c83b5fa7b813de1741ac9e9be702b03846Chris Lattnerbool LLParser::ParseOptionalCommaAlign(unsigned &Alignment, 1192c3a6c5c83b5fa7b813de1741ac9e9be702b03846Chris Lattner bool &AteExtraComma) { 1193c3a6c5c83b5fa7b813de1741ac9e9be702b03846Chris Lattner AteExtraComma = false; 1194c3a6c5c83b5fa7b813de1741ac9e9be702b03846Chris Lattner while (EatIfPresent(lltok::comma)) { 1195c3a6c5c83b5fa7b813de1741ac9e9be702b03846Chris Lattner // Metadata at the end is an early exit. 11961d92831759620a2e5ce4f5a3088c0a1a77a48c8fChris Lattner if (Lex.getKind() == lltok::MetadataVar) { 1197c3a6c5c83b5fa7b813de1741ac9e9be702b03846Chris Lattner AteExtraComma = true; 1198c3a6c5c83b5fa7b813de1741ac9e9be702b03846Chris Lattner return false; 1199c3a6c5c83b5fa7b813de1741ac9e9be702b03846Chris Lattner } 1200c3a6c5c83b5fa7b813de1741ac9e9be702b03846Chris Lattner 1201093eed15ae690f26f3f23731eed9d34da978d5feChris Lattner if (Lex.getKind() != lltok::kw_align) 1202093eed15ae690f26f3f23731eed9d34da978d5feChris Lattner return Error(Lex.getLoc(), "expected metadata or 'align'"); 1203bf9fc53f46d5badab10ec79e1e442830206f6598Duncan Sands 1204093eed15ae690f26f3f23731eed9d34da978d5feChris Lattner if (ParseOptionalAlignment(Alignment)) return true; 1205c3a6c5c83b5fa7b813de1741ac9e9be702b03846Chris Lattner } 1206a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1207f633a065de959b32892c51d741d4db010c5d25b1Devang Patel return false; 1208df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 1209df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 12101e063d14df0f182626ebdd7ac7f32405aa754e03Charles Davis/// ParseOptionalStackAlignment 12111e063d14df0f182626ebdd7ac7f32405aa754e03Charles Davis/// ::= /* empty */ 12121e063d14df0f182626ebdd7ac7f32405aa754e03Charles Davis/// ::= 'alignstack' '(' 4 ')' 12131e063d14df0f182626ebdd7ac7f32405aa754e03Charles Davisbool LLParser::ParseOptionalStackAlignment(unsigned &Alignment) { 12141e063d14df0f182626ebdd7ac7f32405aa754e03Charles Davis Alignment = 0; 12151e063d14df0f182626ebdd7ac7f32405aa754e03Charles Davis if (!EatIfPresent(lltok::kw_alignstack)) 12161e063d14df0f182626ebdd7ac7f32405aa754e03Charles Davis return false; 12171e063d14df0f182626ebdd7ac7f32405aa754e03Charles Davis LocTy ParenLoc = Lex.getLoc(); 12181e063d14df0f182626ebdd7ac7f32405aa754e03Charles Davis if (!EatIfPresent(lltok::lparen)) 12191e063d14df0f182626ebdd7ac7f32405aa754e03Charles Davis return Error(ParenLoc, "expected '('"); 12201e063d14df0f182626ebdd7ac7f32405aa754e03Charles Davis LocTy AlignLoc = Lex.getLoc(); 12211e063d14df0f182626ebdd7ac7f32405aa754e03Charles Davis if (ParseUInt32(Alignment)) return true; 12221e063d14df0f182626ebdd7ac7f32405aa754e03Charles Davis ParenLoc = Lex.getLoc(); 12231e063d14df0f182626ebdd7ac7f32405aa754e03Charles Davis if (!EatIfPresent(lltok::rparen)) 12241e063d14df0f182626ebdd7ac7f32405aa754e03Charles Davis return Error(ParenLoc, "expected ')'"); 12251e063d14df0f182626ebdd7ac7f32405aa754e03Charles Davis if (!isPowerOf2_32(Alignment)) 12261e063d14df0f182626ebdd7ac7f32405aa754e03Charles Davis return Error(AlignLoc, "stack alignment is not a power of two"); 12271e063d14df0f182626ebdd7ac7f32405aa754e03Charles Davis return false; 12281e063d14df0f182626ebdd7ac7f32405aa754e03Charles Davis} 1229f633a065de959b32892c51d741d4db010c5d25b1Devang Patel 1230628c13ad76fb4b7ce2f105c0e92644d1c39ee2f8Chris Lattner/// ParseIndexList - This parses the index list for an insert/extractvalue 1231628c13ad76fb4b7ce2f105c0e92644d1c39ee2f8Chris Lattner/// instruction. This sets AteExtraComma in the case where we eat an extra 1232628c13ad76fb4b7ce2f105c0e92644d1c39ee2f8Chris Lattner/// comma at the end of the line and find that it is followed by metadata. 1233628c13ad76fb4b7ce2f105c0e92644d1c39ee2f8Chris Lattner/// Clients that don't allow metadata can call the version of this function that 1234628c13ad76fb4b7ce2f105c0e92644d1c39ee2f8Chris Lattner/// only takes one argument. 1235628c13ad76fb4b7ce2f105c0e92644d1c39ee2f8Chris Lattner/// 1236df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ParseIndexList 1237df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= (',' uint32)+ 1238628c13ad76fb4b7ce2f105c0e92644d1c39ee2f8Chris Lattner/// 1239628c13ad76fb4b7ce2f105c0e92644d1c39ee2f8Chris Lattnerbool LLParser::ParseIndexList(SmallVectorImpl<unsigned> &Indices, 1240628c13ad76fb4b7ce2f105c0e92644d1c39ee2f8Chris Lattner bool &AteExtraComma) { 1241628c13ad76fb4b7ce2f105c0e92644d1c39ee2f8Chris Lattner AteExtraComma = false; 1242628c13ad76fb4b7ce2f105c0e92644d1c39ee2f8Chris Lattner 1243df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Lex.getKind() != lltok::comma) 1244df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return TokError("expected ',' as start of index list"); 1245a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 12463ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner while (EatIfPresent(lltok::comma)) { 1247628c13ad76fb4b7ce2f105c0e92644d1c39ee2f8Chris Lattner if (Lex.getKind() == lltok::MetadataVar) { 1248628c13ad76fb4b7ce2f105c0e92644d1c39ee2f8Chris Lattner AteExtraComma = true; 1249628c13ad76fb4b7ce2f105c0e92644d1c39ee2f8Chris Lattner return false; 1250628c13ad76fb4b7ce2f105c0e92644d1c39ee2f8Chris Lattner } 125128815c4b64f3c29934ec3d9c48c91d8c1bd97682Nick Lewycky unsigned Idx = 0; 12523ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner if (ParseUInt32(Idx)) return true; 1253df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Indices.push_back(Idx); 1254df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 1255a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1256df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 1257df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 1258df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 1259df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner//===----------------------------------------------------------------------===// 1260df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner// Type Parsing. 1261df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner//===----------------------------------------------------------------------===// 1262df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 1263df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ParseType - Parse and resolve a full type. 1264a9a9e07d1c5d3c73835e716d81c2ec94ad0b865fChris Lattnerbool LLParser::ParseType(PATypeHolder &Result, bool AllowVoid) { 1265a9a9e07d1c5d3c73835e716d81c2ec94ad0b865fChris Lattner LocTy TypeLoc = Lex.getLoc(); 1266df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseTypeRec(Result)) return true; 1267a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1268df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Verify no unresolved uprefs. 1269df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!UpRefs.empty()) 1270df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(UpRefs.back().Loc, "invalid unresolved type up reference"); 1271a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1272cf0fe8d813727383d630055bb9d1cde21b00b7e7Chris Lattner if (!AllowVoid && Result.get()->isVoidTy()) 1273a9a9e07d1c5d3c73835e716d81c2ec94ad0b865fChris Lattner return Error(TypeLoc, "void type only allowed for function results"); 1274a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1275df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 1276df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 1277df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 1278df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// HandleUpRefs - Every time we finish a new layer of types, this function is 1279df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// called. It loops through the UpRefs vector, which is a list of the 1280df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// currently active types. For each type, if the up-reference is contained in 1281df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// the newly completed type, we decrement the level count. When the level 1282df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// count reaches zero, the up-referenced type is the type that is passed in: 1283df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// thus we can complete the cycle. 1284df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// 1285df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris LattnerPATypeHolder LLParser::HandleUpRefs(const Type *ty) { 1286df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // If Ty isn't abstract, or if there are no up-references in it, then there is 1287df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // nothing to resolve here. 1288df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!ty->isAbstract() || UpRefs.empty()) return ty; 1289a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1290df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner PATypeHolder Ty(ty); 1291df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner#if 0 12920e28d76696dce146266cab547033dd895ffd0323David Greene dbgs() << "Type '" << Ty->getDescription() 1293df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner << "' newly formed. Resolving upreferences.\n" 1294df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner << UpRefs.size() << " upreferences active!\n"; 1295df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner#endif 1296a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1297df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // If we find any resolvable upreferences (i.e., those whose NestingLevel goes 1298df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // to zero), we resolve them all together before we resolve them to Ty. At 1299df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // the end of the loop, if there is anything to resolve to Ty, it will be in 1300df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // this variable. 1301df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner OpaqueType *TypeToResolve = 0; 1302a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1303df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner for (unsigned i = 0; i != UpRefs.size(); ++i) { 1304df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Determine if 'Ty' directly contains this up-references 'LastContainedTy'. 1305df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner bool ContainsType = 1306df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner std::find(Ty->subtype_begin(), Ty->subtype_end(), 1307df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner UpRefs[i].LastContainedTy) != Ty->subtype_end(); 1308a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1309df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner#if 0 13100e28d76696dce146266cab547033dd895ffd0323David Greene dbgs() << " UR#" << i << " - TypeContains(" << Ty->getDescription() << ", " 1311df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner << UpRefs[i].LastContainedTy->getDescription() << ") = " 1312df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner << (ContainsType ? "true" : "false") 1313df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner << " level=" << UpRefs[i].NestingLevel << "\n"; 1314df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner#endif 1315df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!ContainsType) 1316df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner continue; 1317a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1318df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Decrement level of upreference 1319df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner unsigned Level = --UpRefs[i].NestingLevel; 1320df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner UpRefs[i].LastContainedTy = Ty; 1321a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1322df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // If the Up-reference has a non-zero level, it shouldn't be resolved yet. 1323df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Level != 0) 1324df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner continue; 1325a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1326df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner#if 0 13270e28d76696dce146266cab547033dd895ffd0323David Greene dbgs() << " * Resolving upreference for " << UpRefs[i].UpRefTy << "\n"; 1328df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner#endif 1329df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!TypeToResolve) 1330df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner TypeToResolve = UpRefs[i].UpRefTy; 1331df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner else 1332df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner UpRefs[i].UpRefTy->refineAbstractTypeTo(TypeToResolve); 1333df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner UpRefs.erase(UpRefs.begin()+i); // Remove from upreference list. 1334df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner --i; // Do not skip the next element. 1335df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 1336a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1337df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (TypeToResolve) 1338df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner TypeToResolve->refineAbstractTypeTo(Ty); 1339a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1340df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Ty; 1341df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 1342df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 1343df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 1344df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ParseTypeRec - The recursive function used to process the internal 1345df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// implementation details of types. 1346df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ParseTypeRec(PATypeHolder &Result) { 1347df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner switch (Lex.getKind()) { 1348df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner default: 1349df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return TokError("expected type"); 1350df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::Type: 1351df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // TypeRec ::= 'float' | 'void' (etc) 1352df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Result = Lex.getTyVal(); 1353a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar Lex.Lex(); 1354df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner break; 1355df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_opaque: 1356df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // TypeRec ::= 'opaque' 13570e275dc53880a7f14f8b8c83cc6e0290a215492dOwen Anderson Result = OpaqueType::get(Context); 1358df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.Lex(); 1359df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner break; 1360df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::lbrace: 1361df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // TypeRec ::= '{' ... '}' 1362df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseStructType(Result, false)) 1363df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 1364df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner break; 1365df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::lsquare: 1366df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // TypeRec ::= '[' ... ']' 1367df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.Lex(); // eat the lsquare. 1368df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseArrayVectorType(Result, false)) 1369df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 1370df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner break; 1371df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::less: // Either vector or packed struct. 1372df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // TypeRec ::= '<' ... '>' 13733ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner Lex.Lex(); 13743ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner if (Lex.getKind() == lltok::lbrace) { 13753ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner if (ParseStructType(Result, true) || 13763ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner ParseToken(lltok::greater, "expected '>' at end of packed struct")) 1377df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 1378df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } else if (ParseArrayVectorType(Result, true)) 1379df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 1380df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner break; 1381df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::LocalVar: 1382df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::StringConstant: // FIXME: REMOVE IN LLVM 3.0 1383df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // TypeRec ::= %foo 1384df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (const Type *T = M->getTypeByName(Lex.getStrVal())) { 1385df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Result = T; 1386df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } else { 13870e275dc53880a7f14f8b8c83cc6e0290a215492dOwen Anderson Result = OpaqueType::get(Context); 1388df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ForwardRefTypes.insert(std::make_pair(Lex.getStrVal(), 1389df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner std::make_pair(Result, 1390df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.getLoc()))); 1391df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner M->addTypeName(Lex.getStrVal(), Result.get()); 1392df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 1393df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.Lex(); 1394df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner break; 1395a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1396df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::LocalVarID: 1397df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // TypeRec ::= %4 1398df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Lex.getUIntVal() < NumberedTypes.size()) 1399df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Result = NumberedTypes[Lex.getUIntVal()]; 1400df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner else { 1401df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner std::map<unsigned, std::pair<PATypeHolder, LocTy> >::iterator 1402df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner I = ForwardRefTypeIDs.find(Lex.getUIntVal()); 1403df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (I != ForwardRefTypeIDs.end()) 1404df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Result = I->second.first; 1405df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner else { 14060e275dc53880a7f14f8b8c83cc6e0290a215492dOwen Anderson Result = OpaqueType::get(Context); 1407df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ForwardRefTypeIDs.insert(std::make_pair(Lex.getUIntVal(), 1408df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner std::make_pair(Result, 1409df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.getLoc()))); 1410df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 1411df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 1412df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.Lex(); 1413df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner break; 1414df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::backslash: { 1415df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // TypeRec ::= '\' 4 1416df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.Lex(); 14173ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner unsigned Val; 14183ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner if (ParseUInt32(Val)) return true; 14190e275dc53880a7f14f8b8c83cc6e0290a215492dOwen Anderson OpaqueType *OT = OpaqueType::get(Context); //Use temporary placeholder. 1420df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner UpRefs.push_back(UpRefRecord(Lex.getLoc(), Val, OT)); 1421df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Result = OT; 1422df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner break; 1423df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 1424df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 1425a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1426a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar // Parse the type suffixes. 1427df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner while (1) { 1428df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner switch (Lex.getKind()) { 1429df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // End of type. 1430a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar default: return false; 1431df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 1432df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // TypeRec ::= TypeRec '*' 1433df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::star: 1434cf0fe8d813727383d630055bb9d1cde21b00b7e7Chris Lattner if (Result.get()->isLabelTy()) 1435df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return TokError("basic block pointers are invalid"); 1436cf0fe8d813727383d630055bb9d1cde21b00b7e7Chris Lattner if (Result.get()->isVoidTy()) 1437b9070d3f6309929e47503e2790a368592b4bd201Dan Gohman return TokError("pointers to void are invalid; use i8* instead"); 1438a5f54a06b09acf5c4ed3571039f262128226145bNick Lewycky if (!PointerType::isValidElementType(Result.get())) 1439a5f54a06b09acf5c4ed3571039f262128226145bNick Lewycky return TokError("pointer to this type is invalid"); 1440debcb01b0f0a15f568ca69e8f288fade4bfc7297Owen Anderson Result = HandleUpRefs(PointerType::getUnqual(Result.get())); 1441df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.Lex(); 1442df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner break; 1443df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 1444df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // TypeRec ::= TypeRec 'addrspace' '(' uint32 ')' '*' 1445df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_addrspace: { 1446cf0fe8d813727383d630055bb9d1cde21b00b7e7Chris Lattner if (Result.get()->isLabelTy()) 1447df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return TokError("basic block pointers are invalid"); 1448cf0fe8d813727383d630055bb9d1cde21b00b7e7Chris Lattner if (Result.get()->isVoidTy()) 1449b9070d3f6309929e47503e2790a368592b4bd201Dan Gohman return TokError("pointers to void are invalid; use i8* instead"); 1450a5f54a06b09acf5c4ed3571039f262128226145bNick Lewycky if (!PointerType::isValidElementType(Result.get())) 1451a5f54a06b09acf5c4ed3571039f262128226145bNick Lewycky return TokError("pointer to this type is invalid"); 1452df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner unsigned AddrSpace; 1453df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseOptionalAddrSpace(AddrSpace) || 1454df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseToken(lltok::star, "expected '*' in address space")) 1455df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 1456df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 1457debcb01b0f0a15f568ca69e8f288fade4bfc7297Owen Anderson Result = HandleUpRefs(PointerType::get(Result.get(), AddrSpace)); 1458df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner break; 1459df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 1460a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1461df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner /// Types '(' ArgTypeListI ')' OptFuncAttrs 1462df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::lparen: 1463df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseFunctionType(Result)) 1464df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 1465df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner break; 1466df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 1467df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 1468df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 1469df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 1470df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ParseParameterList 1471df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= '(' ')' 1472df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= '(' Arg (',' Arg)* ')' 1473df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// Arg 1474df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= Type OptionalAttributes Value OptionalAttributes 1475df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ParseParameterList(SmallVectorImpl<ParamInfo> &ArgList, 1476df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner PerFunctionState &PFS) { 1477df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseToken(lltok::lparen, "expected '(' in call")) 1478df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 1479a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1480df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner while (Lex.getKind() != lltok::rparen) { 1481df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // If this isn't the first argument, we need a comma. 1482df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!ArgList.empty() && 1483df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseToken(lltok::comma, "expected ',' in argument list")) 1484df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 1485a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1486df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Parse the argument. 1487df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner LocTy ArgLoc; 14881d0be15f89cb5056e20e2d24faa8d6afb1573bcaOwen Anderson PATypeHolder ArgTy(Type::getVoidTy(Context)); 14891971556cc271710b683bc3ca8327c903791c910fVictor Hernandez unsigned ArgAttrs1 = Attribute::None; 14901971556cc271710b683bc3ca8327c903791c910fVictor Hernandez unsigned ArgAttrs2 = Attribute::None; 1491df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Value *V; 14921971556cc271710b683bc3ca8327c903791c910fVictor Hernandez if (ParseType(ArgTy, ArgLoc)) 1493df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 14941971556cc271710b683bc3ca8327c903791c910fVictor Hernandez 1495287881d51086c4c5b38d109142f97442c9283374Chris Lattner // Otherwise, handle normal operands. 1496287881d51086c4c5b38d109142f97442c9283374Chris Lattner if (ParseOptionalAttrs(ArgAttrs1, 0) || 1497287881d51086c4c5b38d109142f97442c9283374Chris Lattner ParseValue(ArgTy, V, PFS) || 1498287881d51086c4c5b38d109142f97442c9283374Chris Lattner // FIXME: Should not allow attributes after the argument, remove this 1499287881d51086c4c5b38d109142f97442c9283374Chris Lattner // in LLVM 3.0. 1500287881d51086c4c5b38d109142f97442c9283374Chris Lattner ParseOptionalAttrs(ArgAttrs2, 3)) 1501287881d51086c4c5b38d109142f97442c9283374Chris Lattner return true; 1502df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ArgList.push_back(ParamInfo(ArgLoc, V, ArgAttrs1|ArgAttrs2)); 1503df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 1504df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 1505df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.Lex(); // Lex the ')'. 1506df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 1507df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 1508df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 1509df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 1510df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 1511dfd19ddcfa7568d2118fbc3c6da612295200c31cChris Lattner/// ParseArgumentList - Parse the argument list for a function type or function 1512dfd19ddcfa7568d2118fbc3c6da612295200c31cChris Lattner/// prototype. If 'inType' is true then we are parsing a FunctionType. 1513df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= '(' ArgTypeListI ')' 1514df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ArgTypeListI 1515df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= /*empty*/ 1516df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= '...' 1517df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= ArgTypeList ',' '...' 1518df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= ArgType (',' ArgType)* 1519dfd19ddcfa7568d2118fbc3c6da612295200c31cChris Lattner/// 1520df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ParseArgumentList(std::vector<ArgInfo> &ArgList, 1521dfd19ddcfa7568d2118fbc3c6da612295200c31cChris Lattner bool &isVarArg, bool inType) { 1522df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner isVarArg = false; 1523df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner assert(Lex.getKind() == lltok::lparen); 1524df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.Lex(); // eat the (. 1525a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1526df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Lex.getKind() == lltok::rparen) { 1527df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // empty 1528df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } else if (Lex.getKind() == lltok::dotdotdot) { 1529df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner isVarArg = true; 1530df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.Lex(); 1531df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } else { 1532df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner LocTy TypeLoc = Lex.getLoc(); 15331d0be15f89cb5056e20e2d24faa8d6afb1573bcaOwen Anderson PATypeHolder ArgTy(Type::getVoidTy(Context)); 1534df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner unsigned Attrs; 1535df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner std::string Name; 1536a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1537dfd19ddcfa7568d2118fbc3c6da612295200c31cChris Lattner // If we're parsing a type, use ParseTypeRec, because we allow recursive 1538dfd19ddcfa7568d2118fbc3c6da612295200c31cChris Lattner // types (such as a function returning a pointer to itself). If parsing a 1539dfd19ddcfa7568d2118fbc3c6da612295200c31cChris Lattner // function prototype, we require fully resolved types. 1540dfd19ddcfa7568d2118fbc3c6da612295200c31cChris Lattner if ((inType ? ParseTypeRec(ArgTy) : ParseType(ArgTy)) || 15413ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner ParseOptionalAttrs(Attrs, 0)) return true; 1542a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1543cf0fe8d813727383d630055bb9d1cde21b00b7e7Chris Lattner if (ArgTy->isVoidTy()) 1544a9a9e07d1c5d3c73835e716d81c2ec94ad0b865fChris Lattner return Error(TypeLoc, "argument can not have void type"); 1545a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1546df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Lex.getKind() == lltok::LocalVar || 1547df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.getKind() == lltok::StringConstant) { // FIXME: REMOVE IN LLVM 3.0 1548df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Name = Lex.getStrVal(); 1549df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.Lex(); 1550df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 15513ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner 1552a5f54a06b09acf5c4ed3571039f262128226145bNick Lewycky if (!FunctionType::isValidArgumentType(ArgTy)) 15533ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner return Error(TypeLoc, "invalid type for function argument"); 1554a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1555df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ArgList.push_back(ArgInfo(TypeLoc, ArgTy, Attrs, Name)); 1556a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 15573ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner while (EatIfPresent(lltok::comma)) { 1558df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Handle ... at end of arg list. 15593ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner if (EatIfPresent(lltok::dotdotdot)) { 1560df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner isVarArg = true; 1561df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner break; 1562df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 1563a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1564df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Otherwise must be an argument type. 1565df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner TypeLoc = Lex.getLoc(); 1566a9a9e07d1c5d3c73835e716d81c2ec94ad0b865fChris Lattner if ((inType ? ParseTypeRec(ArgTy) : ParseType(ArgTy)) || 15673ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner ParseOptionalAttrs(Attrs, 0)) return true; 15683ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner 1569cf0fe8d813727383d630055bb9d1cde21b00b7e7Chris Lattner if (ArgTy->isVoidTy()) 1570a9a9e07d1c5d3c73835e716d81c2ec94ad0b865fChris Lattner return Error(TypeLoc, "argument can not have void type"); 1571a9a9e07d1c5d3c73835e716d81c2ec94ad0b865fChris Lattner 1572df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Lex.getKind() == lltok::LocalVar || 1573df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.getKind() == lltok::StringConstant) { // FIXME: REMOVE IN LLVM 3.0 1574df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Name = Lex.getStrVal(); 1575df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.Lex(); 1576df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } else { 1577df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Name = ""; 1578df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 15793ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner 158047c5188789bc40671504ed1fa3a44765cefba44fDuncan Sands if (!ArgTy->isFirstClassType() && !ArgTy->isOpaqueTy()) 15813ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner return Error(TypeLoc, "invalid type for function argument"); 1582a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1583df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ArgList.push_back(ArgInfo(TypeLoc, ArgTy, Attrs, Name)); 1584df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 1585df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 1586a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 15873ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner return ParseToken(lltok::rparen, "expected ')' at end of argument list"); 1588df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 1589a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1590df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ParseFunctionType 1591df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= Type ArgumentList OptionalAttrs 1592df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ParseFunctionType(PATypeHolder &Result) { 1593df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner assert(Lex.getKind() == lltok::lparen); 1594df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 1595d77d04c323f856b07c6e46450e7578dd09c0165fChris Lattner if (!FunctionType::isValidReturnType(Result)) 1596d77d04c323f856b07c6e46450e7578dd09c0165fChris Lattner return TokError("invalid function return type"); 1597a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1598df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner std::vector<ArgInfo> ArgList; 1599df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner bool isVarArg; 1600df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner unsigned Attrs; 1601dfd19ddcfa7568d2118fbc3c6da612295200c31cChris Lattner if (ParseArgumentList(ArgList, isVarArg, true) || 1602df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // FIXME: Allow, but ignore attributes on function types! 1603df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // FIXME: Remove in LLVM 3.0 1604df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseOptionalAttrs(Attrs, 2)) 1605df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 1606a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1607df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Reject names on the arguments lists. 1608df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner for (unsigned i = 0, e = ArgList.size(); i != e; ++i) { 1609df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!ArgList[i].Name.empty()) 1610df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(ArgList[i].Loc, "argument name invalid in function type"); 1611df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!ArgList[i].Attrs != 0) { 1612df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Allow but ignore attributes on function types; this permits 1613df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // auto-upgrade. 1614df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // FIXME: REJECT ATTRIBUTES ON FUNCTION TYPES in LLVM 3.0 1615df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 1616df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 1617a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1618df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner std::vector<const Type*> ArgListTy; 1619df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner for (unsigned i = 0, e = ArgList.size(); i != e; ++i) 1620df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ArgListTy.push_back(ArgList[i].Type); 1621a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1622debcb01b0f0a15f568ca69e8f288fade4bfc7297Owen Anderson Result = HandleUpRefs(FunctionType::get(Result.get(), 1623fba933c823a2862067e0696bd5032ab18185bd77Owen Anderson ArgListTy, isVarArg)); 1624df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 1625df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 1626df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 1627df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ParseStructType: Handles packed and unpacked types. </> parsed elsewhere. 1628df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// TypeRec 1629df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= '{' '}' 1630df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= '{' TypeRec (',' TypeRec)* '}' 1631df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= '<' '{' '}' '>' 1632df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= '<' '{' TypeRec (',' TypeRec)* '}' '>' 1633df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ParseStructType(PATypeHolder &Result, bool Packed) { 1634df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner assert(Lex.getKind() == lltok::lbrace); 1635df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.Lex(); // Consume the '{' 1636a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 16373ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner if (EatIfPresent(lltok::rbrace)) { 1638d7f2a6cb3fbc012763adb42fd967f6fefbb22a37Owen Anderson Result = StructType::get(Context, Packed); 1639df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 1640df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 1641df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 1642df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner std::vector<PATypeHolder> ParamsList; 1643a9a9e07d1c5d3c73835e716d81c2ec94ad0b865fChris Lattner LocTy EltTyLoc = Lex.getLoc(); 1644df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseTypeRec(Result)) return true; 1645df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParamsList.push_back(Result); 1646a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1647cf0fe8d813727383d630055bb9d1cde21b00b7e7Chris Lattner if (Result->isVoidTy()) 1648a9a9e07d1c5d3c73835e716d81c2ec94ad0b865fChris Lattner return Error(EltTyLoc, "struct element can not have void type"); 1649a5f54a06b09acf5c4ed3571039f262128226145bNick Lewycky if (!StructType::isValidElementType(Result)) 1650a5f54a06b09acf5c4ed3571039f262128226145bNick Lewycky return Error(EltTyLoc, "invalid element type for struct"); 1651a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 16523ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner while (EatIfPresent(lltok::comma)) { 1653a9a9e07d1c5d3c73835e716d81c2ec94ad0b865fChris Lattner EltTyLoc = Lex.getLoc(); 1654df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseTypeRec(Result)) return true; 1655a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1656cf0fe8d813727383d630055bb9d1cde21b00b7e7Chris Lattner if (Result->isVoidTy()) 1657a9a9e07d1c5d3c73835e716d81c2ec94ad0b865fChris Lattner return Error(EltTyLoc, "struct element can not have void type"); 1658a5f54a06b09acf5c4ed3571039f262128226145bNick Lewycky if (!StructType::isValidElementType(Result)) 1659a5f54a06b09acf5c4ed3571039f262128226145bNick Lewycky return Error(EltTyLoc, "invalid element type for struct"); 1660a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1661df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParamsList.push_back(Result); 1662df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 1663a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 16643ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner if (ParseToken(lltok::rbrace, "expected '}' at end of struct")) 16653ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner return true; 1666a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1667df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner std::vector<const Type*> ParamsListTy; 1668df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner for (unsigned i = 0, e = ParamsList.size(); i != e; ++i) 1669df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParamsListTy.push_back(ParamsList[i].get()); 1670d7f2a6cb3fbc012763adb42fd967f6fefbb22a37Owen Anderson Result = HandleUpRefs(StructType::get(Context, ParamsListTy, Packed)); 1671df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 1672df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 1673df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 1674df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ParseArrayVectorType - Parse an array or vector type, assuming the first 1675df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// token has already been consumed. 1676a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar/// TypeRec 1677df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= '[' APSINTVAL 'x' Types ']' 1678df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= '<' APSINTVAL 'x' Types '>' 1679df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ParseArrayVectorType(PATypeHolder &Result, bool isVector) { 1680df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Lex.getKind() != lltok::APSInt || Lex.getAPSIntVal().isSigned() || 1681df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.getAPSIntVal().getBitWidth() > 64) 1682df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return TokError("expected number in address space"); 1683a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1684df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner LocTy SizeLoc = Lex.getLoc(); 1685df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner uint64_t Size = Lex.getAPSIntVal().getZExtValue(); 16863ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner Lex.Lex(); 1687a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 16883ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner if (ParseToken(lltok::kw_x, "expected 'x' after element count")) 16893ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner return true; 1690df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 1691df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner LocTy TypeLoc = Lex.getLoc(); 16921d0be15f89cb5056e20e2d24faa8d6afb1573bcaOwen Anderson PATypeHolder EltTy(Type::getVoidTy(Context)); 1693df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseTypeRec(EltTy)) return true; 1694a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1695cf0fe8d813727383d630055bb9d1cde21b00b7e7Chris Lattner if (EltTy->isVoidTy()) 1696a9a9e07d1c5d3c73835e716d81c2ec94ad0b865fChris Lattner return Error(TypeLoc, "array and vector element type cannot be void"); 1697a9a9e07d1c5d3c73835e716d81c2ec94ad0b865fChris Lattner 16983ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner if (ParseToken(isVector ? lltok::greater : lltok::rsquare, 16993ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner "expected end of sequential type")) 17003ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner return true; 1701a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1702df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (isVector) { 1703452e2627dc1de4fb5a2b1c9ac999f1b3396f82c7Chris Lattner if (Size == 0) 1704452e2627dc1de4fb5a2b1c9ac999f1b3396f82c7Chris Lattner return Error(SizeLoc, "zero element vector is illegal"); 1705df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if ((unsigned)Size != Size) 1706df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(SizeLoc, "size too large for vector"); 1707a5f54a06b09acf5c4ed3571039f262128226145bNick Lewycky if (!VectorType::isValidElementType(EltTy)) 1708df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(TypeLoc, "vector element type must be fp or integer"); 1709debcb01b0f0a15f568ca69e8f288fade4bfc7297Owen Anderson Result = VectorType::get(EltTy, unsigned(Size)); 1710df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } else { 1711a5f54a06b09acf5c4ed3571039f262128226145bNick Lewycky if (!ArrayType::isValidElementType(EltTy)) 1712df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(TypeLoc, "invalid array element type"); 1713debcb01b0f0a15f568ca69e8f288fade4bfc7297Owen Anderson Result = HandleUpRefs(ArrayType::get(EltTy, Size)); 1714df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 1715df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 1716df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 1717df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 1718df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner//===----------------------------------------------------------------------===// 1719df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner// Function Semantic Analysis. 1720df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner//===----------------------------------------------------------------------===// 1721df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 172209d9ef4122414a1a2ec95f52d660d6500f2819d0Chris LattnerLLParser::PerFunctionState::PerFunctionState(LLParser &p, Function &f, 172309d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner int functionNumber) 172409d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner : P(p), F(f), FunctionNumber(functionNumber) { 1725df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 1726df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Insert unnamed arguments into the NumberedVals list. 1727df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner for (Function::arg_iterator AI = F.arg_begin(), E = F.arg_end(); 1728df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner AI != E; ++AI) 1729df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!AI->hasName()) 1730df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner NumberedVals.push_back(AI); 1731df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 1732df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 1733df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris LattnerLLParser::PerFunctionState::~PerFunctionState() { 1734df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // If there were any forward referenced non-basicblock values, delete them. 1735df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner for (std::map<std::string, std::pair<Value*, LocTy> >::iterator 1736df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner I = ForwardRefVals.begin(), E = ForwardRefVals.end(); I != E; ++I) 1737df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!isa<BasicBlock>(I->second.first)) { 1738b43eae745eb9a7c46fe76b0ed8053b782ca67536Owen Anderson I->second.first->replaceAllUsesWith( 17399e9a0d5fc26878e51a58a8b57900fcbf952c2691Owen Anderson UndefValue::get(I->second.first->getType())); 1740df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner delete I->second.first; 1741df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner I->second.first = 0; 1742df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 1743a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1744df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner for (std::map<unsigned, std::pair<Value*, LocTy> >::iterator 1745df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner I = ForwardRefValIDs.begin(), E = ForwardRefValIDs.end(); I != E; ++I) 1746df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!isa<BasicBlock>(I->second.first)) { 1747b43eae745eb9a7c46fe76b0ed8053b782ca67536Owen Anderson I->second.first->replaceAllUsesWith( 17489e9a0d5fc26878e51a58a8b57900fcbf952c2691Owen Anderson UndefValue::get(I->second.first->getType())); 1749df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner delete I->second.first; 1750df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner I->second.first = 0; 1751df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 1752df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 1753df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 175409d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattnerbool LLParser::PerFunctionState::FinishFunction() { 175509d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner // Check to see if someone took the address of labels in this block. 175609d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner if (!P.ForwardRefBlockAddresses.empty()) { 175709d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner ValID FunctionID; 175809d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner if (!F.getName().empty()) { 175909d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner FunctionID.Kind = ValID::t_GlobalName; 176009d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner FunctionID.StrVal = F.getName(); 176109d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner } else { 176209d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner FunctionID.Kind = ValID::t_GlobalID; 176309d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner FunctionID.UIntVal = FunctionNumber; 176409d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner } 176509d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner 176609d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner std::map<ValID, std::vector<std::pair<ValID, GlobalValue*> > >::iterator 176709d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner FRBAI = P.ForwardRefBlockAddresses.find(FunctionID); 176809d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner if (FRBAI != P.ForwardRefBlockAddresses.end()) { 176909d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner // Resolve all these references. 177009d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner if (P.ResolveForwardRefBlockAddresses(&F, FRBAI->second, this)) 177109d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner return true; 177209d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner 177309d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner P.ForwardRefBlockAddresses.erase(FRBAI); 177409d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner } 177509d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner } 177609d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner 1777df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!ForwardRefVals.empty()) 1778df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return P.Error(ForwardRefVals.begin()->second.second, 1779df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner "use of undefined value '%" + ForwardRefVals.begin()->first + 1780df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner "'"); 1781df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!ForwardRefValIDs.empty()) 1782df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return P.Error(ForwardRefValIDs.begin()->second.second, 1783df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner "use of undefined value '%" + 1784d1e1703c39742f3c9fc3d27a442ff59bbdbfb5aaBenjamin Kramer Twine(ForwardRefValIDs.begin()->first) + "'"); 1785df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 1786df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 1787df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 1788df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 1789df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// GetVal - Get a value with the specified name or ID, creating a 1790df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// forward reference record if needed. This can return null if the value 1791df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// exists but does not have the right type. 1792df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris LattnerValue *LLParser::PerFunctionState::GetVal(const std::string &Name, 1793df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner const Type *Ty, LocTy Loc) { 1794df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Look this name up in the normal function symbol table. 1795df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Value *Val = F.getValueSymbolTable().lookup(Name); 1796a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1797df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // If this is a forward reference for the value, see if we already created a 1798df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // forward ref record. 1799df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Val == 0) { 1800df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner std::map<std::string, std::pair<Value*, LocTy> >::iterator 1801df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner I = ForwardRefVals.find(Name); 1802df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (I != ForwardRefVals.end()) 1803df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Val = I->second.first; 1804df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 1805a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1806df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // If we have the value in the symbol table or fwd-ref table, return it. 1807df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Val) { 1808df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Val->getType() == Ty) return Val; 1809cf0fe8d813727383d630055bb9d1cde21b00b7e7Chris Lattner if (Ty->isLabelTy()) 1810df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner P.Error(Loc, "'%" + Name + "' is not a basic block"); 1811df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner else 1812df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner P.Error(Loc, "'%" + Name + "' defined with type '" + 1813df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Val->getType()->getDescription() + "'"); 1814df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return 0; 1815df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 1816a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1817df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Don't make placeholders with invalid type. 181847c5188789bc40671504ed1fa3a44765cefba44fDuncan Sands if (!Ty->isFirstClassType() && !Ty->isOpaqueTy() && !Ty->isLabelTy()) { 1819df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner P.Error(Loc, "invalid use of a non-first-class type"); 1820df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return 0; 1821df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 1822a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1823df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Otherwise, create a new forward reference for this value and remember it. 1824df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Value *FwdVal; 1825cf0fe8d813727383d630055bb9d1cde21b00b7e7Chris Lattner if (Ty->isLabelTy()) 18261d0be15f89cb5056e20e2d24faa8d6afb1573bcaOwen Anderson FwdVal = BasicBlock::Create(F.getContext(), Name, &F); 1827df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner else 1828df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner FwdVal = new Argument(Ty, Name); 1829a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1830df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ForwardRefVals[Name] = std::make_pair(FwdVal, Loc); 1831df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return FwdVal; 1832df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 1833df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 1834df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris LattnerValue *LLParser::PerFunctionState::GetVal(unsigned ID, const Type *Ty, 1835df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner LocTy Loc) { 1836df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Look this name up in the normal function symbol table. 1837df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Value *Val = ID < NumberedVals.size() ? NumberedVals[ID] : 0; 1838a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1839df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // If this is a forward reference for the value, see if we already created a 1840df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // forward ref record. 1841df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Val == 0) { 1842df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner std::map<unsigned, std::pair<Value*, LocTy> >::iterator 1843df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner I = ForwardRefValIDs.find(ID); 1844df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (I != ForwardRefValIDs.end()) 1845df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Val = I->second.first; 1846df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 1847a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1848df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // If we have the value in the symbol table or fwd-ref table, return it. 1849df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Val) { 1850df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Val->getType() == Ty) return Val; 1851cf0fe8d813727383d630055bb9d1cde21b00b7e7Chris Lattner if (Ty->isLabelTy()) 1852d1e1703c39742f3c9fc3d27a442ff59bbdbfb5aaBenjamin Kramer P.Error(Loc, "'%" + Twine(ID) + "' is not a basic block"); 1853df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner else 1854d1e1703c39742f3c9fc3d27a442ff59bbdbfb5aaBenjamin Kramer P.Error(Loc, "'%" + Twine(ID) + "' defined with type '" + 1855df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Val->getType()->getDescription() + "'"); 1856df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return 0; 1857df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 1858a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 185947c5188789bc40671504ed1fa3a44765cefba44fDuncan Sands if (!Ty->isFirstClassType() && !Ty->isOpaqueTy() && !Ty->isLabelTy()) { 1860df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner P.Error(Loc, "invalid use of a non-first-class type"); 1861df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return 0; 1862df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 1863a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1864df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Otherwise, create a new forward reference for this value and remember it. 1865df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Value *FwdVal; 1866cf0fe8d813727383d630055bb9d1cde21b00b7e7Chris Lattner if (Ty->isLabelTy()) 18671d0be15f89cb5056e20e2d24faa8d6afb1573bcaOwen Anderson FwdVal = BasicBlock::Create(F.getContext(), "", &F); 1868df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner else 1869df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner FwdVal = new Argument(Ty); 1870a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1871df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ForwardRefValIDs[ID] = std::make_pair(FwdVal, Loc); 1872df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return FwdVal; 1873df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 1874df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 1875df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// SetInstName - After an instruction is parsed and inserted into its 1876df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// basic block, this installs its name. 1877df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::PerFunctionState::SetInstName(int NameID, 1878df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner const std::string &NameStr, 1879df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner LocTy NameLoc, Instruction *Inst) { 1880df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // If this instruction has void type, it cannot have a name or ID specified. 1881cf0fe8d813727383d630055bb9d1cde21b00b7e7Chris Lattner if (Inst->getType()->isVoidTy()) { 1882df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (NameID != -1 || !NameStr.empty()) 1883df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return P.Error(NameLoc, "instructions returning void cannot have a name"); 1884df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 1885df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 1886a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1887df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // If this was a numbered instruction, verify that the instruction is the 1888df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // expected value and resolve any forward references. 1889df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (NameStr.empty()) { 1890df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // If neither a name nor an ID was specified, just use the next ID. 1891df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (NameID == -1) 1892df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner NameID = NumberedVals.size(); 1893a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1894df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (unsigned(NameID) != NumberedVals.size()) 1895df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return P.Error(NameLoc, "instruction expected to be numbered '%" + 1896d1e1703c39742f3c9fc3d27a442ff59bbdbfb5aaBenjamin Kramer Twine(NumberedVals.size()) + "'"); 1897a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1898df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner std::map<unsigned, std::pair<Value*, LocTy> >::iterator FI = 1899df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ForwardRefValIDs.find(NameID); 1900df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (FI != ForwardRefValIDs.end()) { 1901df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (FI->second.first->getType() != Inst->getType()) 1902a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar return P.Error(NameLoc, "instruction forward referenced with type '" + 1903df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner FI->second.first->getType()->getDescription() + "'"); 1904df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner FI->second.first->replaceAllUsesWith(Inst); 19052b4f28e270c5091a7e70991adc3e36aff0c85b0eNuno Lopes delete FI->second.first; 1906df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ForwardRefValIDs.erase(FI); 1907df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 1908df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 1909df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner NumberedVals.push_back(Inst); 1910df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 1911df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 1912df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 1913df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Otherwise, the instruction had a name. Resolve forward refs and set it. 1914df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner std::map<std::string, std::pair<Value*, LocTy> >::iterator 1915df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner FI = ForwardRefVals.find(NameStr); 1916df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (FI != ForwardRefVals.end()) { 1917df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (FI->second.first->getType() != Inst->getType()) 1918a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar return P.Error(NameLoc, "instruction forward referenced with type '" + 1919df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner FI->second.first->getType()->getDescription() + "'"); 1920df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner FI->second.first->replaceAllUsesWith(Inst); 1921531552aaa24218c1b2043cf56d719f3d940aeed4Nuno Lopes delete FI->second.first; 1922df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ForwardRefVals.erase(FI); 1923df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 1924a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1925df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Set the name on the instruction. 1926df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Inst->setName(NameStr); 1927a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1928af81235ef96a7a005b7fdfe5a64cce30df3d820dBenjamin Kramer if (Inst->getName() != NameStr) 1929a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar return P.Error(NameLoc, "multiple definition of local value named '" + 1930df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner NameStr + "'"); 1931df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 1932df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 1933df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 1934df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// GetBB - Get a basic block with the specified name or ID, creating a 1935df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// forward reference record if needed. 1936df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris LattnerBasicBlock *LLParser::PerFunctionState::GetBB(const std::string &Name, 1937df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner LocTy Loc) { 19381d0be15f89cb5056e20e2d24faa8d6afb1573bcaOwen Anderson return cast_or_null<BasicBlock>(GetVal(Name, 19391d0be15f89cb5056e20e2d24faa8d6afb1573bcaOwen Anderson Type::getLabelTy(F.getContext()), Loc)); 1940df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 1941df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 1942df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris LattnerBasicBlock *LLParser::PerFunctionState::GetBB(unsigned ID, LocTy Loc) { 19431d0be15f89cb5056e20e2d24faa8d6afb1573bcaOwen Anderson return cast_or_null<BasicBlock>(GetVal(ID, 19441d0be15f89cb5056e20e2d24faa8d6afb1573bcaOwen Anderson Type::getLabelTy(F.getContext()), Loc)); 1945df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 1946df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 1947df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// DefineBB - Define the specified basic block, which is either named or 1948df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// unnamed. If there is an error, this returns null otherwise it returns 1949df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// the block being defined. 1950df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris LattnerBasicBlock *LLParser::PerFunctionState::DefineBB(const std::string &Name, 1951df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner LocTy Loc) { 1952df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner BasicBlock *BB; 1953df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Name.empty()) 1954df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner BB = GetBB(NumberedVals.size(), Loc); 1955df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner else 1956df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner BB = GetBB(Name, Loc); 1957df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (BB == 0) return 0; // Already diagnosed error. 1958a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1959df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Move the block to the end of the function. Forward ref'd blocks are 1960df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // inserted wherever they happen to be referenced. 1961df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner F.getBasicBlockList().splice(F.end(), F.getBasicBlockList(), BB); 1962a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1963df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Remove the block from forward ref sets. 1964df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Name.empty()) { 1965df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ForwardRefValIDs.erase(NumberedVals.size()); 1966df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner NumberedVals.push_back(BB); 1967df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } else { 1968df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // BB forward references are already in the function symbol table. 1969df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ForwardRefVals.erase(Name); 1970df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 1971a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1972df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return BB; 1973df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 1974df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 1975df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner//===----------------------------------------------------------------------===// 1976df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner// Constants. 1977df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner//===----------------------------------------------------------------------===// 1978df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 1979df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ParseValID - Parse an abstract value that doesn't necessarily have a 1980df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// type implied. For example, if we parse "4" we don't know what integer type 1981df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// it has. The value will later be combined with its type and checked for 198224e64df7ec25b55aa872c2ef33728dfbb8c353c4Victor Hernandez/// sanity. PFS is used to convert function-local operands of metadata (since 198324e64df7ec25b55aa872c2ef33728dfbb8c353c4Victor Hernandez/// metadata operands are not just parsed here but also converted to values). 198424e64df7ec25b55aa872c2ef33728dfbb8c353c4Victor Hernandez/// PFS can be null when we are not parsing metadata values inside a function. 1985bf170d4c2ffd9dc99fad1fabfbf1f90f980a9782Victor Hernandezbool LLParser::ParseValID(ValID &ID, PerFunctionState *PFS) { 1986df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ID.Loc = Lex.getLoc(); 1987df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner switch (Lex.getKind()) { 1988df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner default: return TokError("expected value token"); 1989df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::GlobalID: // @42 1990df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ID.UIntVal = Lex.getUIntVal(); 1991df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ID.Kind = ValID::t_GlobalID; 1992df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner break; 1993df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::GlobalVar: // @foo 1994df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ID.StrVal = Lex.getStrVal(); 1995df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ID.Kind = ValID::t_GlobalName; 1996df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner break; 1997df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::LocalVarID: // %42 1998df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ID.UIntVal = Lex.getUIntVal(); 1999df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ID.Kind = ValID::t_LocalID; 2000df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner break; 2001df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::LocalVar: // %foo 2002df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::StringConstant: // "foo" - FIXME: REMOVE IN LLVM 3.0 2003df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ID.StrVal = Lex.getStrVal(); 2004df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ID.Kind = ValID::t_LocalName; 2005df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner break; 2006834480374ba38b2a31d6b63b492e442d75a462cfDan Gohman case lltok::exclaim: // !42, !{...}, or !"foo" 2007834480374ba38b2a31d6b63b492e442d75a462cfDan Gohman return ParseMetadataValue(ID, PFS); 2008df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::APSInt: 2009a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar ID.APSIntVal = Lex.getAPSIntVal(); 2010df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ID.Kind = ValID::t_APSInt; 2011df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner break; 2012df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::APFloat: 2013df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ID.APFloatVal = Lex.getAPFloatVal(); 2014df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ID.Kind = ValID::t_APFloat; 2015df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner break; 2016df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_true: 20175defacc6e605f4651c6300237cef8e9bb2eb6d0eOwen Anderson ID.ConstantVal = ConstantInt::getTrue(Context); 2018df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ID.Kind = ValID::t_Constant; 2019df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner break; 2020df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_false: 20215defacc6e605f4651c6300237cef8e9bb2eb6d0eOwen Anderson ID.ConstantVal = ConstantInt::getFalse(Context); 2022df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ID.Kind = ValID::t_Constant; 2023df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner break; 2024df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_null: ID.Kind = ValID::t_Null; break; 2025df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_undef: ID.Kind = ValID::t_Undef; break; 2026df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_zeroinitializer: ID.Kind = ValID::t_Zero; break; 2027a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 2028df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::lbrace: { 2029df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // ValID ::= '{' ConstVector '}' 2030df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.Lex(); 2031df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner SmallVector<Constant*, 16> Elts; 2032df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseGlobalValueVector(Elts) || 2033df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseToken(lltok::rbrace, "expected end of struct constant")) 2034df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 2035a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 2036d7f2a6cb3fbc012763adb42fd967f6fefbb22a37Owen Anderson ID.ConstantVal = ConstantStruct::get(Context, Elts.data(), 2037d7f2a6cb3fbc012763adb42fd967f6fefbb22a37Owen Anderson Elts.size(), false); 2038df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ID.Kind = ValID::t_Constant; 2039df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 2040df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 2041df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::less: { 2042df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // ValID ::= '<' ConstVector '>' --> Vector. 2043df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // ValID ::= '<' '{' ConstVector '}' '>' --> Packed Struct. 2044df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.Lex(); 20453ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner bool isPackedStruct = EatIfPresent(lltok::lbrace); 2046a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 2047df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner SmallVector<Constant*, 16> Elts; 2048df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner LocTy FirstEltLoc = Lex.getLoc(); 2049df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseGlobalValueVector(Elts) || 2050df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner (isPackedStruct && 2051df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseToken(lltok::rbrace, "expected end of packed struct")) || 2052df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseToken(lltok::greater, "expected end of constant")) 2053df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 2054a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 2055df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (isPackedStruct) { 2056fba933c823a2862067e0696bd5032ab18185bd77Owen Anderson ID.ConstantVal = 2057d7f2a6cb3fbc012763adb42fd967f6fefbb22a37Owen Anderson ConstantStruct::get(Context, Elts.data(), Elts.size(), true); 2058df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ID.Kind = ValID::t_Constant; 2059df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 2060df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 2061a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 2062df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Elts.empty()) 2063df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(ID.Loc, "constant vector must not be empty"); 2064df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 2065b0bc6c361da9009e8414efde317d9bbff755f6c0Duncan Sands if (!Elts[0]->getType()->isIntegerTy() && 2066b0bc6c361da9009e8414efde317d9bbff755f6c0Duncan Sands !Elts[0]->getType()->isFloatingPointTy()) 2067df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(FirstEltLoc, 2068df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner "vector elements must have integer or floating point type"); 2069a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 2070df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Verify that all the vector elements have the same type. 2071df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner for (unsigned i = 1, e = Elts.size(); i != e; ++i) 2072df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Elts[i]->getType() != Elts[0]->getType()) 2073df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(FirstEltLoc, 2074d1e1703c39742f3c9fc3d27a442ff59bbdbfb5aaBenjamin Kramer "vector element #" + Twine(i) + 2075df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner " is not of type '" + Elts[0]->getType()->getDescription()); 2076a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 2077af7ec975870f92245f1f1484ac80a1e2db6a0afaOwen Anderson ID.ConstantVal = ConstantVector::get(Elts.data(), Elts.size()); 2078df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ID.Kind = ValID::t_Constant; 2079df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 2080df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 2081df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::lsquare: { // Array Constant 2082df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.Lex(); 2083df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner SmallVector<Constant*, 16> Elts; 2084df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner LocTy FirstEltLoc = Lex.getLoc(); 2085df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseGlobalValueVector(Elts) || 2086df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseToken(lltok::rsquare, "expected end of array constant")) 2087df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 2088df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 2089df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Handle empty element. 2090df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Elts.empty()) { 2091df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Use undef instead of an array because it's inconvenient to determine 2092df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // the element type at this point, there being no elements to examine. 2093081b505f77b183b7b029818218245cf4986e8948Chris Lattner ID.Kind = ValID::t_EmptyArray; 2094df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 2095df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 2096a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 2097df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!Elts[0]->getType()->isFirstClassType()) 2098a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar return Error(FirstEltLoc, "invalid array element type: " + 2099df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Elts[0]->getType()->getDescription()); 2100a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 2101debcb01b0f0a15f568ca69e8f288fade4bfc7297Owen Anderson ArrayType *ATy = ArrayType::get(Elts[0]->getType(), Elts.size()); 2102a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 2103df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Verify all elements are correct type! 21046d6b3cc89b9d1911cff4931dadfe670f94fcbb3bChris Lattner for (unsigned i = 0, e = Elts.size(); i != e; ++i) { 2105df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Elts[i]->getType() != Elts[0]->getType()) 2106df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(FirstEltLoc, 2107d1e1703c39742f3c9fc3d27a442ff59bbdbfb5aaBenjamin Kramer "array element #" + Twine(i) + 2108df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner " is not of type '" +Elts[0]->getType()->getDescription()); 2109df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 2110a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 21111fd7096407d5e598ed3366a1141548e71273f1c5Owen Anderson ID.ConstantVal = ConstantArray::get(ATy, Elts.data(), Elts.size()); 2112df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ID.Kind = ValID::t_Constant; 2113df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 2114df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 2115df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_c: // c "foo" 2116df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.Lex(); 21171d0be15f89cb5056e20e2d24faa8d6afb1573bcaOwen Anderson ID.ConstantVal = ConstantArray::get(Context, Lex.getStrVal(), false); 2118df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseToken(lltok::StringConstant, "expected string")) return true; 2119df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ID.Kind = ValID::t_Constant; 2120df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 2121df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 2122df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_asm: { 21238ba2d5befc05ca73d3bac8708819bbbe759e2cf9Dale Johannesen // ValID ::= 'asm' SideEffect? AlignStack? STRINGCONSTANT ',' STRINGCONSTANT 21248ba2d5befc05ca73d3bac8708819bbbe759e2cf9Dale Johannesen bool HasSideEffect, AlignStack; 2125df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.Lex(); 2126df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseOptionalToken(lltok::kw_sideeffect, HasSideEffect) || 21278ba2d5befc05ca73d3bac8708819bbbe759e2cf9Dale Johannesen ParseOptionalToken(lltok::kw_alignstack, AlignStack) || 21283ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner ParseStringConstant(ID.StrVal) || 21293ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner ParseToken(lltok::comma, "expected comma in inline asm expression") || 2130df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseToken(lltok::StringConstant, "expected constraint string")) 2131df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 2132df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ID.StrVal2 = Lex.getStrVal(); 2133f0bb41c078d657c70ce6b95d5b56645c72ca7db4Daniel Dunbar ID.UIntVal = unsigned(HasSideEffect) | (unsigned(AlignStack)<<1); 2134df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ID.Kind = ValID::t_InlineAsm; 2135df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 2136df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 2137a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 213809d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner case lltok::kw_blockaddress: { 213909d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner // ValID ::= 'blockaddress' '(' @foo ',' %bar ')' 214009d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner Lex.Lex(); 214109d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner 214209d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner ValID Fn, Label; 214309d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner LocTy FnLoc, LabelLoc; 214409d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner 214509d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner if (ParseToken(lltok::lparen, "expected '(' in block address expression") || 214609d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner ParseValID(Fn) || 214709d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner ParseToken(lltok::comma, "expected comma in block address expression")|| 214809d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner ParseValID(Label) || 214909d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner ParseToken(lltok::rparen, "expected ')' in block address expression")) 215009d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner return true; 2151cdfc940912d56a63b6f12eaa7f3faf79cf74c693Chris Lattner 215209d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner if (Fn.Kind != ValID::t_GlobalID && Fn.Kind != ValID::t_GlobalName) 215309d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner return Error(Fn.Loc, "expected function name in blockaddress"); 2154cdfc940912d56a63b6f12eaa7f3faf79cf74c693Chris Lattner if (Label.Kind != ValID::t_LocalID && Label.Kind != ValID::t_LocalName) 215509d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner return Error(Label.Loc, "expected basic block name in blockaddress"); 215609d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner 215709d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner // Make a global variable as a placeholder for this reference. 215809d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner GlobalVariable *FwdRef = new GlobalVariable(*M, Type::getInt8Ty(Context), 215909d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner false, GlobalValue::InternalLinkage, 216009d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner 0, ""); 216109d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner ForwardRefBlockAddresses[Fn].push_back(std::make_pair(Label, FwdRef)); 216209d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner ID.ConstantVal = FwdRef; 216309d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner ID.Kind = ValID::t_Constant; 216409d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner return false; 216509d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner } 216609d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner 2167df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_trunc: 2168df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_zext: 2169df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_sext: 2170df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_fptrunc: 2171df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_fpext: 2172df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_bitcast: 2173df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_uitofp: 2174df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_sitofp: 2175df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_fptoui: 2176a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar case lltok::kw_fptosi: 2177df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_inttoptr: 2178a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar case lltok::kw_ptrtoint: { 2179df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner unsigned Opc = Lex.getUIntVal(); 21801d0be15f89cb5056e20e2d24faa8d6afb1573bcaOwen Anderson PATypeHolder DestTy(Type::getVoidTy(Context)); 2181df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Constant *SrcVal; 2182df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.Lex(); 2183df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseToken(lltok::lparen, "expected '(' after constantexpr cast") || 2184df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseGlobalTypeAndValue(SrcVal) || 218524b108bc8ca75922d4cb8e7f197934b8269d4fc3Dan Gohman ParseToken(lltok::kw_to, "expected 'to' in constantexpr cast") || 2186df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseType(DestTy) || 2187df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseToken(lltok::rparen, "expected ')' at end of constantexpr cast")) 2188df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 2189df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!CastInst::castIsValid((Instruction::CastOps)Opc, SrcVal, DestTy)) 2190df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(ID.Loc, "invalid cast opcode for cast from '" + 2191df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner SrcVal->getType()->getDescription() + "' to '" + 2192df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner DestTy->getDescription() + "'"); 2193a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar ID.ConstantVal = ConstantExpr::getCast((Instruction::CastOps)Opc, 2194fba933c823a2862067e0696bd5032ab18185bd77Owen Anderson SrcVal, DestTy); 2195df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ID.Kind = ValID::t_Constant; 2196df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 2197df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 2198df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_extractvalue: { 2199df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.Lex(); 2200df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Constant *Val; 2201df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner SmallVector<unsigned, 4> Indices; 2202df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseToken(lltok::lparen, "expected '(' in extractvalue constantexpr")|| 2203df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseGlobalTypeAndValue(Val) || 2204df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseIndexList(Indices) || 2205df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseToken(lltok::rparen, "expected ')' in extractvalue constantexpr")) 2206df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 2207e8bc45a645f1df1c9f8b23c6f29247a61af14f19Devang Patel 2208fdfeb6976f07ad10d809b922ed7376ba2a3539beChris Lattner if (!Val->getType()->isAggregateType()) 2209fdfeb6976f07ad10d809b922ed7376ba2a3539beChris Lattner return Error(ID.Loc, "extractvalue operand must be aggregate type"); 2210df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!ExtractValueInst::getIndexedType(Val->getType(), Indices.begin(), 2211df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Indices.end())) 2212df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(ID.Loc, "invalid indices for extractvalue"); 2213e3e51c0038bd6ba2add82e2246e97edec0ab2204Jay Foad ID.ConstantVal = 2214baf3c404409d5e47b13984a7f95bfbd6d1f2e79eOwen Anderson ConstantExpr::getExtractValue(Val, Indices.data(), Indices.size()); 2215df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ID.Kind = ValID::t_Constant; 2216df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 2217df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 2218df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_insertvalue: { 2219df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.Lex(); 2220df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Constant *Val0, *Val1; 2221df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner SmallVector<unsigned, 4> Indices; 2222df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseToken(lltok::lparen, "expected '(' in insertvalue constantexpr")|| 2223df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseGlobalTypeAndValue(Val0) || 2224df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseToken(lltok::comma, "expected comma in insertvalue constantexpr")|| 2225df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseGlobalTypeAndValue(Val1) || 2226df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseIndexList(Indices) || 2227df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseToken(lltok::rparen, "expected ')' in insertvalue constantexpr")) 2228df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 2229fdfeb6976f07ad10d809b922ed7376ba2a3539beChris Lattner if (!Val0->getType()->isAggregateType()) 2230fdfeb6976f07ad10d809b922ed7376ba2a3539beChris Lattner return Error(ID.Loc, "insertvalue operand must be aggregate type"); 2231df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!ExtractValueInst::getIndexedType(Val0->getType(), Indices.begin(), 2232df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Indices.end())) 2233df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(ID.Loc, "invalid indices for insertvalue"); 2234baf3c404409d5e47b13984a7f95bfbd6d1f2e79eOwen Anderson ID.ConstantVal = ConstantExpr::getInsertValue(Val0, Val1, 2235fba933c823a2862067e0696bd5032ab18185bd77Owen Anderson Indices.data(), Indices.size()); 2236df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ID.Kind = ValID::t_Constant; 2237df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 2238df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 2239df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_icmp: 22407f6aa2b162e5daaf7b9ccf05d749597d3d7cf460Nick Lewycky case lltok::kw_fcmp: { 2241df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner unsigned PredVal, Opc = Lex.getUIntVal(); 2242df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Constant *Val0, *Val1; 2243df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.Lex(); 2244df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseCmpPredicate(PredVal, Opc) || 2245df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseToken(lltok::lparen, "expected '(' in compare constantexpr") || 2246df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseGlobalTypeAndValue(Val0) || 2247df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseToken(lltok::comma, "expected comma in compare constantexpr") || 2248df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseGlobalTypeAndValue(Val1) || 2249df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseToken(lltok::rparen, "expected ')' in compare constantexpr")) 2250df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 2251a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 2252df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Val0->getType() != Val1->getType()) 2253df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(ID.Loc, "compare operands must have the same type"); 2254a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 2255df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner CmpInst::Predicate Pred = (CmpInst::Predicate)PredVal; 2256a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 2257df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Opc == Instruction::FCmp) { 2258b0bc6c361da9009e8414efde317d9bbff755f6c0Duncan Sands if (!Val0->getType()->isFPOrFPVectorTy()) 2259df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(ID.Loc, "fcmp requires floating point operands"); 2260baf3c404409d5e47b13984a7f95bfbd6d1f2e79eOwen Anderson ID.ConstantVal = ConstantExpr::getFCmp(Pred, Val0, Val1); 22617f6aa2b162e5daaf7b9ccf05d749597d3d7cf460Nick Lewycky } else { 22627f6aa2b162e5daaf7b9ccf05d749597d3d7cf460Nick Lewycky assert(Opc == Instruction::ICmp && "Unexpected opcode for CmpInst!"); 2263b0bc6c361da9009e8414efde317d9bbff755f6c0Duncan Sands if (!Val0->getType()->isIntOrIntVectorTy() && 22641df9859c40492511b8aa4321eb76496005d3b75bDuncan Sands !Val0->getType()->isPointerTy()) 2265df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(ID.Loc, "icmp requires pointer or integer operands"); 2266baf3c404409d5e47b13984a7f95bfbd6d1f2e79eOwen Anderson ID.ConstantVal = ConstantExpr::getICmp(Pred, Val0, Val1); 2267df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 2268df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ID.Kind = ValID::t_Constant; 2269df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 2270df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 2271a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 2272df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Binary Operators. 2273df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_add: 2274ae3a0be92e33bc716722aa600983fc1535acb122Dan Gohman case lltok::kw_fadd: 2275df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_sub: 2276ae3a0be92e33bc716722aa600983fc1535acb122Dan Gohman case lltok::kw_fsub: 2277df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_mul: 2278ae3a0be92e33bc716722aa600983fc1535acb122Dan Gohman case lltok::kw_fmul: 2279df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_udiv: 2280df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_sdiv: 2281df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_fdiv: 2282df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_urem: 2283df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_srem: 2284df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_frem: { 228559858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman bool NUW = false; 228659858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman bool NSW = false; 228759858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman bool Exact = false; 2288df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner unsigned Opc = Lex.getUIntVal(); 2289df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Constant *Val0, *Val1; 2290df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.Lex(); 229159858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman LocTy ModifierLoc = Lex.getLoc(); 229259858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman if (Opc == Instruction::Add || 229359858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman Opc == Instruction::Sub || 229459858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman Opc == Instruction::Mul) { 229559858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman if (EatIfPresent(lltok::kw_nuw)) 229659858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman NUW = true; 229759858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman if (EatIfPresent(lltok::kw_nsw)) { 229859858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman NSW = true; 229959858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman if (EatIfPresent(lltok::kw_nuw)) 230059858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman NUW = true; 230159858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman } 230259858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman } else if (Opc == Instruction::SDiv) { 230359858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman if (EatIfPresent(lltok::kw_exact)) 230459858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman Exact = true; 230559858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman } 2306df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseToken(lltok::lparen, "expected '(' in binary constantexpr") || 2307df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseGlobalTypeAndValue(Val0) || 2308df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseToken(lltok::comma, "expected comma in binary constantexpr") || 2309df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseGlobalTypeAndValue(Val1) || 2310df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseToken(lltok::rparen, "expected ')' in binary constantexpr")) 2311df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 2312df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Val0->getType() != Val1->getType()) 2313df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(ID.Loc, "operands of constexpr must have same type"); 2314b0bc6c361da9009e8414efde317d9bbff755f6c0Duncan Sands if (!Val0->getType()->isIntOrIntVectorTy()) { 231559858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman if (NUW) 231659858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman return Error(ModifierLoc, "nuw only applies to integer operations"); 231759858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman if (NSW) 231859858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman return Error(ModifierLoc, "nsw only applies to integer operations"); 231959858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman } 23201eaac532615a54a1133367dc2c4ceaa79a150a9dDan Gohman // Check that the type is valid for the operator. 23211eaac532615a54a1133367dc2c4ceaa79a150a9dDan Gohman switch (Opc) { 23221eaac532615a54a1133367dc2c4ceaa79a150a9dDan Gohman case Instruction::Add: 23231eaac532615a54a1133367dc2c4ceaa79a150a9dDan Gohman case Instruction::Sub: 23241eaac532615a54a1133367dc2c4ceaa79a150a9dDan Gohman case Instruction::Mul: 23251eaac532615a54a1133367dc2c4ceaa79a150a9dDan Gohman case Instruction::UDiv: 23261eaac532615a54a1133367dc2c4ceaa79a150a9dDan Gohman case Instruction::SDiv: 23271eaac532615a54a1133367dc2c4ceaa79a150a9dDan Gohman case Instruction::URem: 23281eaac532615a54a1133367dc2c4ceaa79a150a9dDan Gohman case Instruction::SRem: 23291eaac532615a54a1133367dc2c4ceaa79a150a9dDan Gohman if (!Val0->getType()->isIntOrIntVectorTy()) 23301eaac532615a54a1133367dc2c4ceaa79a150a9dDan Gohman return Error(ID.Loc, "constexpr requires integer operands"); 23311eaac532615a54a1133367dc2c4ceaa79a150a9dDan Gohman break; 23321eaac532615a54a1133367dc2c4ceaa79a150a9dDan Gohman case Instruction::FAdd: 23331eaac532615a54a1133367dc2c4ceaa79a150a9dDan Gohman case Instruction::FSub: 23341eaac532615a54a1133367dc2c4ceaa79a150a9dDan Gohman case Instruction::FMul: 23351eaac532615a54a1133367dc2c4ceaa79a150a9dDan Gohman case Instruction::FDiv: 23361eaac532615a54a1133367dc2c4ceaa79a150a9dDan Gohman case Instruction::FRem: 23371eaac532615a54a1133367dc2c4ceaa79a150a9dDan Gohman if (!Val0->getType()->isFPOrFPVectorTy()) 23381eaac532615a54a1133367dc2c4ceaa79a150a9dDan Gohman return Error(ID.Loc, "constexpr requires fp operands"); 23391eaac532615a54a1133367dc2c4ceaa79a150a9dDan Gohman break; 23401eaac532615a54a1133367dc2c4ceaa79a150a9dDan Gohman default: llvm_unreachable("Unknown binary operator!"); 23411eaac532615a54a1133367dc2c4ceaa79a150a9dDan Gohman } 2342f8dbee7cea072eb63ae343759975109553697bcbDan Gohman unsigned Flags = 0; 2343f8dbee7cea072eb63ae343759975109553697bcbDan Gohman if (NUW) Flags |= OverflowingBinaryOperator::NoUnsignedWrap; 2344f8dbee7cea072eb63ae343759975109553697bcbDan Gohman if (NSW) Flags |= OverflowingBinaryOperator::NoSignedWrap; 2345f8dbee7cea072eb63ae343759975109553697bcbDan Gohman if (Exact) Flags |= SDivOperator::IsExact; 2346f8dbee7cea072eb63ae343759975109553697bcbDan Gohman Constant *C = ConstantExpr::get(Opc, Val0, Val1, Flags); 234759858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman ID.ConstantVal = C; 2348df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ID.Kind = ValID::t_Constant; 2349df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 2350df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 2351a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 2352df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Logical Operations 2353df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_shl: 2354df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_lshr: 2355df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_ashr: 2356df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_and: 2357df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_or: 2358df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_xor: { 2359df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner unsigned Opc = Lex.getUIntVal(); 2360df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Constant *Val0, *Val1; 2361df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.Lex(); 2362df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseToken(lltok::lparen, "expected '(' in logical constantexpr") || 2363df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseGlobalTypeAndValue(Val0) || 2364df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseToken(lltok::comma, "expected comma in logical constantexpr") || 2365df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseGlobalTypeAndValue(Val1) || 2366df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseToken(lltok::rparen, "expected ')' in logical constantexpr")) 2367df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 2368df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Val0->getType() != Val1->getType()) 2369df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(ID.Loc, "operands of constexpr must have same type"); 2370b0bc6c361da9009e8414efde317d9bbff755f6c0Duncan Sands if (!Val0->getType()->isIntOrIntVectorTy()) 2371df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(ID.Loc, 2372df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner "constexpr requires integer or integer vector operands"); 2373baf3c404409d5e47b13984a7f95bfbd6d1f2e79eOwen Anderson ID.ConstantVal = ConstantExpr::get(Opc, Val0, Val1); 2374df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ID.Kind = ValID::t_Constant; 2375df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 2376a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar } 2377a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 2378df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_getelementptr: 2379df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_shufflevector: 2380df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_insertelement: 2381df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_extractelement: 2382df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_select: { 2383df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner unsigned Opc = Lex.getUIntVal(); 2384df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner SmallVector<Constant*, 16> Elts; 2385dd8004dc73d091ccb3927dbbc3b41639a3738ae3Dan Gohman bool InBounds = false; 2386df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.Lex(); 2387dd8004dc73d091ccb3927dbbc3b41639a3738ae3Dan Gohman if (Opc == Instruction::GetElementPtr) 2388dcb40a3c1c747c88c4e634e34d1b4d7533a86adaDan Gohman InBounds = EatIfPresent(lltok::kw_inbounds); 2389df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseToken(lltok::lparen, "expected '(' in constantexpr") || 2390df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseGlobalValueVector(Elts) || 2391df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseToken(lltok::rparen, "expected ')' in constantexpr")) 2392df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 2393a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 2394df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Opc == Instruction::GetElementPtr) { 23951df9859c40492511b8aa4321eb76496005d3b75bDuncan Sands if (Elts.size() == 0 || !Elts[0]->getType()->isPointerTy()) 2396df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(ID.Loc, "getelementptr requires pointer operand"); 2397a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 2398df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!GetElementPtrInst::getIndexedType(Elts[0]->getType(), 23994e9bac3769cb668aad20f1ac2d6a35d9ba452f3aEli Friedman (Value**)(Elts.data() + 1), 24004e9bac3769cb668aad20f1ac2d6a35d9ba452f3aEli Friedman Elts.size() - 1)) 2401df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(ID.Loc, "invalid indices for getelementptr"); 2402f8dbee7cea072eb63ae343759975109553697bcbDan Gohman ID.ConstantVal = InBounds ? 2403f8dbee7cea072eb63ae343759975109553697bcbDan Gohman ConstantExpr::getInBoundsGetElementPtr(Elts[0], 2404f8dbee7cea072eb63ae343759975109553697bcbDan Gohman Elts.data() + 1, 2405f8dbee7cea072eb63ae343759975109553697bcbDan Gohman Elts.size() - 1) : 2406f8dbee7cea072eb63ae343759975109553697bcbDan Gohman ConstantExpr::getGetElementPtr(Elts[0], 2407f8dbee7cea072eb63ae343759975109553697bcbDan Gohman Elts.data() + 1, Elts.size() - 1); 2408df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } else if (Opc == Instruction::Select) { 2409df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Elts.size() != 3) 2410df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(ID.Loc, "expected three operands to select"); 2411df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (const char *Reason = SelectInst::areInvalidOperands(Elts[0], Elts[1], 2412df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Elts[2])) 2413df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(ID.Loc, Reason); 2414baf3c404409d5e47b13984a7f95bfbd6d1f2e79eOwen Anderson ID.ConstantVal = ConstantExpr::getSelect(Elts[0], Elts[1], Elts[2]); 2415df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } else if (Opc == Instruction::ShuffleVector) { 2416df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Elts.size() != 3) 2417df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(ID.Loc, "expected three operands to shufflevector"); 2418df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!ShuffleVectorInst::isValidOperands(Elts[0], Elts[1], Elts[2])) 2419df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(ID.Loc, "invalid operands to shufflevector"); 2420fba933c823a2862067e0696bd5032ab18185bd77Owen Anderson ID.ConstantVal = 2421baf3c404409d5e47b13984a7f95bfbd6d1f2e79eOwen Anderson ConstantExpr::getShuffleVector(Elts[0], Elts[1],Elts[2]); 2422df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } else if (Opc == Instruction::ExtractElement) { 2423df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Elts.size() != 2) 2424df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(ID.Loc, "expected two operands to extractelement"); 2425df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!ExtractElementInst::isValidOperands(Elts[0], Elts[1])) 2426df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(ID.Loc, "invalid extractelement operands"); 2427baf3c404409d5e47b13984a7f95bfbd6d1f2e79eOwen Anderson ID.ConstantVal = ConstantExpr::getExtractElement(Elts[0], Elts[1]); 2428df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } else { 2429df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner assert(Opc == Instruction::InsertElement && "Unknown opcode"); 2430df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Elts.size() != 3) 2431df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(ID.Loc, "expected three operands to insertelement"); 2432df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!InsertElementInst::isValidOperands(Elts[0], Elts[1], Elts[2])) 2433df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(ID.Loc, "invalid insertelement operands"); 2434fba933c823a2862067e0696bd5032ab18185bd77Owen Anderson ID.ConstantVal = 2435baf3c404409d5e47b13984a7f95bfbd6d1f2e79eOwen Anderson ConstantExpr::getInsertElement(Elts[0], Elts[1],Elts[2]); 2436df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 2437a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 2438df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ID.Kind = ValID::t_Constant; 2439df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 2440df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 2441df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 2442a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 2443df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.Lex(); 2444df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 2445df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 2446df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 2447df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ParseGlobalValue - Parse a global value with the specified type. 244892f238dd8fe19b26103bd451c571281d9b7ad324Victor Hernandezbool LLParser::ParseGlobalValue(const Type *Ty, Constant *&C) { 244992f238dd8fe19b26103bd451c571281d9b7ad324Victor Hernandez C = 0; 2450df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ValID ID; 245192f238dd8fe19b26103bd451c571281d9b7ad324Victor Hernandez Value *V = NULL; 245292f238dd8fe19b26103bd451c571281d9b7ad324Victor Hernandez bool Parsed = ParseValID(ID) || 245392f238dd8fe19b26103bd451c571281d9b7ad324Victor Hernandez ConvertValIDToValue(Ty, ID, V, NULL); 245492f238dd8fe19b26103bd451c571281d9b7ad324Victor Hernandez if (V && !(C = dyn_cast<Constant>(V))) 245592f238dd8fe19b26103bd451c571281d9b7ad324Victor Hernandez return Error(ID.Loc, "global values must be constants"); 245692f238dd8fe19b26103bd451c571281d9b7ad324Victor Hernandez return Parsed; 245792f238dd8fe19b26103bd451c571281d9b7ad324Victor Hernandez} 245892f238dd8fe19b26103bd451c571281d9b7ad324Victor Hernandez 245992f238dd8fe19b26103bd451c571281d9b7ad324Victor Hernandezbool LLParser::ParseGlobalTypeAndValue(Constant *&V) { 246092f238dd8fe19b26103bd451c571281d9b7ad324Victor Hernandez PATypeHolder Type(Type::getVoidTy(Context)); 246192f238dd8fe19b26103bd451c571281d9b7ad324Victor Hernandez return ParseType(Type) || 246292f238dd8fe19b26103bd451c571281d9b7ad324Victor Hernandez ParseGlobalValue(Type, V); 246392f238dd8fe19b26103bd451c571281d9b7ad324Victor Hernandez} 246492f238dd8fe19b26103bd451c571281d9b7ad324Victor Hernandez 246592f238dd8fe19b26103bd451c571281d9b7ad324Victor Hernandez/// ParseGlobalValueVector 246692f238dd8fe19b26103bd451c571281d9b7ad324Victor Hernandez/// ::= /*empty*/ 246792f238dd8fe19b26103bd451c571281d9b7ad324Victor Hernandez/// ::= TypeAndValue (',' TypeAndValue)* 246892f238dd8fe19b26103bd451c571281d9b7ad324Victor Hernandezbool LLParser::ParseGlobalValueVector(SmallVectorImpl<Constant*> &Elts) { 246992f238dd8fe19b26103bd451c571281d9b7ad324Victor Hernandez // Empty list. 247092f238dd8fe19b26103bd451c571281d9b7ad324Victor Hernandez if (Lex.getKind() == lltok::rbrace || 247192f238dd8fe19b26103bd451c571281d9b7ad324Victor Hernandez Lex.getKind() == lltok::rsquare || 247292f238dd8fe19b26103bd451c571281d9b7ad324Victor Hernandez Lex.getKind() == lltok::greater || 247392f238dd8fe19b26103bd451c571281d9b7ad324Victor Hernandez Lex.getKind() == lltok::rparen) 247492f238dd8fe19b26103bd451c571281d9b7ad324Victor Hernandez return false; 247592f238dd8fe19b26103bd451c571281d9b7ad324Victor Hernandez 247692f238dd8fe19b26103bd451c571281d9b7ad324Victor Hernandez Constant *C; 247792f238dd8fe19b26103bd451c571281d9b7ad324Victor Hernandez if (ParseGlobalTypeAndValue(C)) return true; 247892f238dd8fe19b26103bd451c571281d9b7ad324Victor Hernandez Elts.push_back(C); 247992f238dd8fe19b26103bd451c571281d9b7ad324Victor Hernandez 248092f238dd8fe19b26103bd451c571281d9b7ad324Victor Hernandez while (EatIfPresent(lltok::comma)) { 248192f238dd8fe19b26103bd451c571281d9b7ad324Victor Hernandez if (ParseGlobalTypeAndValue(C)) return true; 248292f238dd8fe19b26103bd451c571281d9b7ad324Victor Hernandez Elts.push_back(C); 248392f238dd8fe19b26103bd451c571281d9b7ad324Victor Hernandez } 248492f238dd8fe19b26103bd451c571281d9b7ad324Victor Hernandez 248592f238dd8fe19b26103bd451c571281d9b7ad324Victor Hernandez return false; 2486df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 2487df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 2488309b3af547a60bedd74daa2a94ebd3d3ed5f06e9Dan Gohmanbool LLParser::ParseMetadataListValue(ValID &ID, PerFunctionState *PFS) { 2489309b3af547a60bedd74daa2a94ebd3d3ed5f06e9Dan Gohman assert(Lex.getKind() == lltok::lbrace); 2490309b3af547a60bedd74daa2a94ebd3d3ed5f06e9Dan Gohman Lex.Lex(); 2491309b3af547a60bedd74daa2a94ebd3d3ed5f06e9Dan Gohman 2492309b3af547a60bedd74daa2a94ebd3d3ed5f06e9Dan Gohman SmallVector<Value*, 16> Elts; 2493309b3af547a60bedd74daa2a94ebd3d3ed5f06e9Dan Gohman if (ParseMDNodeVector(Elts, PFS) || 2494309b3af547a60bedd74daa2a94ebd3d3ed5f06e9Dan Gohman ParseToken(lltok::rbrace, "expected end of metadata node")) 2495309b3af547a60bedd74daa2a94ebd3d3ed5f06e9Dan Gohman return true; 2496309b3af547a60bedd74daa2a94ebd3d3ed5f06e9Dan Gohman 2497309b3af547a60bedd74daa2a94ebd3d3ed5f06e9Dan Gohman ID.MDNodeVal = MDNode::get(Context, Elts.data(), Elts.size()); 2498309b3af547a60bedd74daa2a94ebd3d3ed5f06e9Dan Gohman ID.Kind = ValID::t_MDNode; 2499309b3af547a60bedd74daa2a94ebd3d3ed5f06e9Dan Gohman return false; 2500309b3af547a60bedd74daa2a94ebd3d3ed5f06e9Dan Gohman} 2501309b3af547a60bedd74daa2a94ebd3d3ed5f06e9Dan Gohman 2502834480374ba38b2a31d6b63b492e442d75a462cfDan Gohman/// ParseMetadataValue 2503834480374ba38b2a31d6b63b492e442d75a462cfDan Gohman/// ::= !42 2504834480374ba38b2a31d6b63b492e442d75a462cfDan Gohman/// ::= !{...} 2505834480374ba38b2a31d6b63b492e442d75a462cfDan Gohman/// ::= !"string" 2506834480374ba38b2a31d6b63b492e442d75a462cfDan Gohmanbool LLParser::ParseMetadataValue(ValID &ID, PerFunctionState *PFS) { 2507834480374ba38b2a31d6b63b492e442d75a462cfDan Gohman assert(Lex.getKind() == lltok::exclaim); 2508834480374ba38b2a31d6b63b492e442d75a462cfDan Gohman Lex.Lex(); 2509834480374ba38b2a31d6b63b492e442d75a462cfDan Gohman 2510834480374ba38b2a31d6b63b492e442d75a462cfDan Gohman // MDNode: 2511834480374ba38b2a31d6b63b492e442d75a462cfDan Gohman // !{ ... } 2512309b3af547a60bedd74daa2a94ebd3d3ed5f06e9Dan Gohman if (Lex.getKind() == lltok::lbrace) 2513309b3af547a60bedd74daa2a94ebd3d3ed5f06e9Dan Gohman return ParseMetadataListValue(ID, PFS); 2514834480374ba38b2a31d6b63b492e442d75a462cfDan Gohman 2515834480374ba38b2a31d6b63b492e442d75a462cfDan Gohman // Standalone metadata reference 2516834480374ba38b2a31d6b63b492e442d75a462cfDan Gohman // !42 2517834480374ba38b2a31d6b63b492e442d75a462cfDan Gohman if (Lex.getKind() == lltok::APSInt) { 2518834480374ba38b2a31d6b63b492e442d75a462cfDan Gohman if (ParseMDNodeID(ID.MDNodeVal)) return true; 2519834480374ba38b2a31d6b63b492e442d75a462cfDan Gohman ID.Kind = ValID::t_MDNode; 2520834480374ba38b2a31d6b63b492e442d75a462cfDan Gohman return false; 2521834480374ba38b2a31d6b63b492e442d75a462cfDan Gohman } 2522834480374ba38b2a31d6b63b492e442d75a462cfDan Gohman 2523834480374ba38b2a31d6b63b492e442d75a462cfDan Gohman // MDString: 2524834480374ba38b2a31d6b63b492e442d75a462cfDan Gohman // ::= '!' STRINGCONSTANT 2525834480374ba38b2a31d6b63b492e442d75a462cfDan Gohman if (ParseMDString(ID.MDStringVal)) return true; 2526834480374ba38b2a31d6b63b492e442d75a462cfDan Gohman ID.Kind = ValID::t_MDString; 2527834480374ba38b2a31d6b63b492e442d75a462cfDan Gohman return false; 2528834480374ba38b2a31d6b63b492e442d75a462cfDan Gohman} 2529834480374ba38b2a31d6b63b492e442d75a462cfDan Gohman 253092f238dd8fe19b26103bd451c571281d9b7ad324Victor Hernandez 253192f238dd8fe19b26103bd451c571281d9b7ad324Victor Hernandez//===----------------------------------------------------------------------===// 253292f238dd8fe19b26103bd451c571281d9b7ad324Victor Hernandez// Function Parsing. 253392f238dd8fe19b26103bd451c571281d9b7ad324Victor Hernandez//===----------------------------------------------------------------------===// 253492f238dd8fe19b26103bd451c571281d9b7ad324Victor Hernandez 253592f238dd8fe19b26103bd451c571281d9b7ad324Victor Hernandezbool LLParser::ConvertValIDToValue(const Type *Ty, ValID &ID, Value *&V, 253692f238dd8fe19b26103bd451c571281d9b7ad324Victor Hernandez PerFunctionState *PFS) { 25371df9859c40492511b8aa4321eb76496005d3b75bDuncan Sands if (Ty->isFunctionTy()) 2538df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(ID.Loc, "functions are not values, refer to them as pointers"); 2539a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 2540df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner switch (ID.Kind) { 2541a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar default: llvm_unreachable("Unknown ValID!"); 2542df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case ValID::t_LocalID: 254392f238dd8fe19b26103bd451c571281d9b7ad324Victor Hernandez if (!PFS) return Error(ID.Loc, "invalid use of function-local name"); 254492f238dd8fe19b26103bd451c571281d9b7ad324Victor Hernandez V = PFS->GetVal(ID.UIntVal, Ty, ID.Loc); 254592f238dd8fe19b26103bd451c571281d9b7ad324Victor Hernandez return (V == 0); 2546df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case ValID::t_LocalName: 254792f238dd8fe19b26103bd451c571281d9b7ad324Victor Hernandez if (!PFS) return Error(ID.Loc, "invalid use of function-local name"); 254892f238dd8fe19b26103bd451c571281d9b7ad324Victor Hernandez V = PFS->GetVal(ID.StrVal, Ty, ID.Loc); 254992f238dd8fe19b26103bd451c571281d9b7ad324Victor Hernandez return (V == 0); 255092f238dd8fe19b26103bd451c571281d9b7ad324Victor Hernandez case ValID::t_InlineAsm: { 255192f238dd8fe19b26103bd451c571281d9b7ad324Victor Hernandez const PointerType *PTy = dyn_cast<PointerType>(Ty); 255292f238dd8fe19b26103bd451c571281d9b7ad324Victor Hernandez const FunctionType *FTy = 255392f238dd8fe19b26103bd451c571281d9b7ad324Victor Hernandez PTy ? dyn_cast<FunctionType>(PTy->getElementType()) : 0; 255492f238dd8fe19b26103bd451c571281d9b7ad324Victor Hernandez if (!FTy || !InlineAsm::Verify(FTy, ID.StrVal2)) 255592f238dd8fe19b26103bd451c571281d9b7ad324Victor Hernandez return Error(ID.Loc, "invalid type for inline asm constraint string"); 255692f238dd8fe19b26103bd451c571281d9b7ad324Victor Hernandez V = InlineAsm::get(FTy, ID.StrVal, ID.StrVal2, ID.UIntVal&1, ID.UIntVal>>1); 255792f238dd8fe19b26103bd451c571281d9b7ad324Victor Hernandez return false; 255892f238dd8fe19b26103bd451c571281d9b7ad324Victor Hernandez } 255992f238dd8fe19b26103bd451c571281d9b7ad324Victor Hernandez case ValID::t_MDNode: 256092f238dd8fe19b26103bd451c571281d9b7ad324Victor Hernandez if (!Ty->isMetadataTy()) 256192f238dd8fe19b26103bd451c571281d9b7ad324Victor Hernandez return Error(ID.Loc, "metadata value must have metadata type"); 256292f238dd8fe19b26103bd451c571281d9b7ad324Victor Hernandez V = ID.MDNodeVal; 256392f238dd8fe19b26103bd451c571281d9b7ad324Victor Hernandez return false; 256492f238dd8fe19b26103bd451c571281d9b7ad324Victor Hernandez case ValID::t_MDString: 256592f238dd8fe19b26103bd451c571281d9b7ad324Victor Hernandez if (!Ty->isMetadataTy()) 256692f238dd8fe19b26103bd451c571281d9b7ad324Victor Hernandez return Error(ID.Loc, "metadata value must have metadata type"); 256792f238dd8fe19b26103bd451c571281d9b7ad324Victor Hernandez V = ID.MDStringVal; 256892f238dd8fe19b26103bd451c571281d9b7ad324Victor Hernandez return false; 2569df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case ValID::t_GlobalName: 2570df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner V = GetGlobalVal(ID.StrVal, Ty, ID.Loc); 2571df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return V == 0; 2572df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case ValID::t_GlobalID: 2573df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner V = GetGlobalVal(ID.UIntVal, Ty, ID.Loc); 2574df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return V == 0; 2575df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case ValID::t_APSInt: 25761df9859c40492511b8aa4321eb76496005d3b75bDuncan Sands if (!Ty->isIntegerTy()) 2577df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(ID.Loc, "integer constant must have integer type"); 257840f8f6264d5af2c38e797e0dc59827cd231e8ff7Jay Foad ID.APSIntVal = ID.APSIntVal.extOrTrunc(Ty->getPrimitiveSizeInBits()); 2579eed707b1e6097aac2bb6b3d47271f6300ace7f2eOwen Anderson V = ConstantInt::get(Context, ID.APSIntVal); 2580df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 2581df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case ValID::t_APFloat: 2582b0bc6c361da9009e8414efde317d9bbff755f6c0Duncan Sands if (!Ty->isFloatingPointTy() || 2583df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner !ConstantFP::isValueValidForType(Ty, ID.APFloatVal)) 2584df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(ID.Loc, "floating point constant invalid for type"); 2585a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 2586df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // The lexer has no type info, so builds all float and double FP constants 2587df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // as double. Fix this here. Long double does not need this. 2588df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (&ID.APFloatVal.getSemantics() == &APFloat::IEEEdouble && 2589cf0fe8d813727383d630055bb9d1cde21b00b7e7Chris Lattner Ty->isFloatTy()) { 2590df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner bool Ignored; 2591df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ID.APFloatVal.convert(APFloat::IEEEsingle, APFloat::rmNearestTiesToEven, 2592df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner &Ignored); 2593df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 25946f83c9c6ef0e7f79825a0a8f22941815e4b684c7Owen Anderson V = ConstantFP::get(Context, ID.APFloatVal); 2595a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 2596959873d2da763c0e3b3c67c39aab179fc43c5a52Chris Lattner if (V->getType() != Ty) 2597959873d2da763c0e3b3c67c39aab179fc43c5a52Chris Lattner return Error(ID.Loc, "floating point constant does not have type '" + 2598959873d2da763c0e3b3c67c39aab179fc43c5a52Chris Lattner Ty->getDescription() + "'"); 2599a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 2600df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 2601df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case ValID::t_Null: 26021df9859c40492511b8aa4321eb76496005d3b75bDuncan Sands if (!Ty->isPointerTy()) 2603df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(ID.Loc, "null must be a pointer type"); 26049e9a0d5fc26878e51a58a8b57900fcbf952c2691Owen Anderson V = ConstantPointerNull::get(cast<PointerType>(Ty)); 2605df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 2606df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case ValID::t_Undef: 2607e67c1aa3986cf98f2021a31a6ad502857c757b7bChris Lattner // FIXME: LabelTy should not be a first-class type. 2608cf0fe8d813727383d630055bb9d1cde21b00b7e7Chris Lattner if ((!Ty->isFirstClassType() || Ty->isLabelTy()) && 260947c5188789bc40671504ed1fa3a44765cefba44fDuncan Sands !Ty->isOpaqueTy()) 2610e67c1aa3986cf98f2021a31a6ad502857c757b7bChris Lattner return Error(ID.Loc, "invalid type for undef constant"); 26119e9a0d5fc26878e51a58a8b57900fcbf952c2691Owen Anderson V = UndefValue::get(Ty); 2612df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 2613081b505f77b183b7b029818218245cf4986e8948Chris Lattner case ValID::t_EmptyArray: 26141df9859c40492511b8aa4321eb76496005d3b75bDuncan Sands if (!Ty->isArrayTy() || cast<ArrayType>(Ty)->getNumElements() != 0) 2615081b505f77b183b7b029818218245cf4986e8948Chris Lattner return Error(ID.Loc, "invalid empty array initializer"); 26169e9a0d5fc26878e51a58a8b57900fcbf952c2691Owen Anderson V = UndefValue::get(Ty); 2617081b505f77b183b7b029818218245cf4986e8948Chris Lattner return false; 2618df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case ValID::t_Zero: 2619e67c1aa3986cf98f2021a31a6ad502857c757b7bChris Lattner // FIXME: LabelTy should not be a first-class type. 2620cf0fe8d813727383d630055bb9d1cde21b00b7e7Chris Lattner if (!Ty->isFirstClassType() || Ty->isLabelTy()) 2621df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(ID.Loc, "invalid type for null constant"); 2622a7235ea7245028a0723e8ab7fd011386b3900777Owen Anderson V = Constant::getNullValue(Ty); 2623df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 2624df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case ValID::t_Constant: 262561c70e98ac3c7504d31dd9bc81c4e9cb998e9984Chris Lattner if (ID.ConstantVal->getType() != Ty) 2626df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(ID.Loc, "constant expression type mismatch"); 2627fdfeb6976f07ad10d809b922ed7376ba2a3539beChris Lattner 2628df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner V = ID.ConstantVal; 2629df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 2630df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 2631df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 2632a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 2633df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ParseValue(const Type *Ty, Value *&V, PerFunctionState &PFS) { 2634df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner V = 0; 2635df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ValID ID; 2636bf170d4c2ffd9dc99fad1fabfbf1f90f980a9782Victor Hernandez return ParseValID(ID, &PFS) || 263792f238dd8fe19b26103bd451c571281d9b7ad324Victor Hernandez ConvertValIDToValue(Ty, ID, V, &PFS); 2638df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 2639df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 2640df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ParseTypeAndValue(Value *&V, PerFunctionState &PFS) { 26411d0be15f89cb5056e20e2d24faa8d6afb1573bcaOwen Anderson PATypeHolder T(Type::getVoidTy(Context)); 26423ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner return ParseType(T) || 26433ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner ParseValue(T, V, PFS); 2644df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 2645df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 2646f9be95f867745b6754b2402b9b72f9eaeabd637fChris Lattnerbool LLParser::ParseTypeAndBasicBlock(BasicBlock *&BB, LocTy &Loc, 2647f9be95f867745b6754b2402b9b72f9eaeabd637fChris Lattner PerFunctionState &PFS) { 2648f9be95f867745b6754b2402b9b72f9eaeabd637fChris Lattner Value *V; 2649f9be95f867745b6754b2402b9b72f9eaeabd637fChris Lattner Loc = Lex.getLoc(); 2650f9be95f867745b6754b2402b9b72f9eaeabd637fChris Lattner if (ParseTypeAndValue(V, PFS)) return true; 2651f9be95f867745b6754b2402b9b72f9eaeabd637fChris Lattner if (!isa<BasicBlock>(V)) 2652f9be95f867745b6754b2402b9b72f9eaeabd637fChris Lattner return Error(Loc, "expected a basic block"); 2653f9be95f867745b6754b2402b9b72f9eaeabd637fChris Lattner BB = cast<BasicBlock>(V); 2654f9be95f867745b6754b2402b9b72f9eaeabd637fChris Lattner return false; 2655f9be95f867745b6754b2402b9b72f9eaeabd637fChris Lattner} 2656f9be95f867745b6754b2402b9b72f9eaeabd637fChris Lattner 2657f9be95f867745b6754b2402b9b72f9eaeabd637fChris Lattner 2658df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// FunctionHeader 2659df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= OptionalLinkage OptionalVisibility OptionalCallingConv OptRetAttrs 2660df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// Type GlobalName '(' ArgList ')' OptFuncAttrs OptSection 2661df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// OptionalAlign OptGC 2662df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ParseFunctionHeader(Function *&Fn, bool isDefine) { 2663df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Parse the linkage. 2664df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner LocTy LinkageLoc = Lex.getLoc(); 2665df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner unsigned Linkage; 2666a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 266765c3c8f323198b99b88b109654194540cf9b3fa5Sandeep Patel unsigned Visibility, RetAttrs; 266865c3c8f323198b99b88b109654194540cf9b3fa5Sandeep Patel CallingConv::ID CC; 26691d0be15f89cb5056e20e2d24faa8d6afb1573bcaOwen Anderson PATypeHolder RetType(Type::getVoidTy(Context)); 2670df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner LocTy RetTypeLoc = Lex.getLoc(); 2671df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseOptionalLinkage(Linkage) || 2672df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseOptionalVisibility(Visibility) || 2673df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseOptionalCallingConv(CC) || 2674df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseOptionalAttrs(RetAttrs, 1) || 2675a9a9e07d1c5d3c73835e716d81c2ec94ad0b865fChris Lattner ParseType(RetType, RetTypeLoc, true /*void allowed*/)) 2676df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 2677df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 2678df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Verify that the linkage is ok. 2679df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner switch ((GlobalValue::LinkageTypes)Linkage) { 2680df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case GlobalValue::ExternalLinkage: 2681df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner break; // always ok. 2682df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case GlobalValue::DLLImportLinkage: 26835f4ee1fc5d00ae55c30fa2ce450c69be4c6d6e63Duncan Sands case GlobalValue::ExternalWeakLinkage: 2684df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (isDefine) 2685df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(LinkageLoc, "invalid linkage for function definition"); 2686df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner break; 2687bb46f52027416598a662dc1c58f48d9d56b1a65bRafael Espindola case GlobalValue::PrivateLinkage: 26883d10a5a75794356a0a568ce283713adc3a963200Bill Wendling case GlobalValue::LinkerPrivateLinkage: 26895e721d768254a920b78b9129d79a84c0163cb3f4Bill Wendling case GlobalValue::LinkerPrivateWeakLinkage: 269055ae515f9db484125a23429d4906c5edaf9f10d2Bill Wendling case GlobalValue::LinkerPrivateWeakDefAutoLinkage: 2691df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case GlobalValue::InternalLinkage: 269255f64dbb398cc8d967d1e32a8bb2190a60f5b61eNick Lewycky case GlobalValue::AvailableExternallyLinkage: 2693667d4b8de6dea70195ff12ef39a4deebffa2f5c7Duncan Sands case GlobalValue::LinkOnceAnyLinkage: 2694667d4b8de6dea70195ff12ef39a4deebffa2f5c7Duncan Sands case GlobalValue::LinkOnceODRLinkage: 2695667d4b8de6dea70195ff12ef39a4deebffa2f5c7Duncan Sands case GlobalValue::WeakAnyLinkage: 2696667d4b8de6dea70195ff12ef39a4deebffa2f5c7Duncan Sands case GlobalValue::WeakODRLinkage: 2697df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case GlobalValue::DLLExportLinkage: 2698df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!isDefine) 2699df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(LinkageLoc, "invalid linkage for function declaration"); 2700df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner break; 2701df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case GlobalValue::AppendingLinkage: 27024dc2b39bf89d7c87868008ef8a0f807e0419aca6Duncan Sands case GlobalValue::CommonLinkage: 2703df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(LinkageLoc, "invalid function linkage type"); 2704df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 2705a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 270699bb315f32a5f82f9e4978345ee39177db973242Chris Lattner if (!FunctionType::isValidReturnType(RetType) || 270747c5188789bc40671504ed1fa3a44765cefba44fDuncan Sands RetType->isOpaqueTy()) 2708df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(RetTypeLoc, "invalid function return type"); 2709a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 2710f570e621ab6eec6c7656cc4c511e19aba12b42cdChris Lattner LocTy NameLoc = Lex.getLoc(); 2711f570e621ab6eec6c7656cc4c511e19aba12b42cdChris Lattner 2712f570e621ab6eec6c7656cc4c511e19aba12b42cdChris Lattner std::string FunctionName; 2713f570e621ab6eec6c7656cc4c511e19aba12b42cdChris Lattner if (Lex.getKind() == lltok::GlobalVar) { 2714f570e621ab6eec6c7656cc4c511e19aba12b42cdChris Lattner FunctionName = Lex.getStrVal(); 2715f570e621ab6eec6c7656cc4c511e19aba12b42cdChris Lattner } else if (Lex.getKind() == lltok::GlobalID) { // @42 is ok. 2716f570e621ab6eec6c7656cc4c511e19aba12b42cdChris Lattner unsigned NameID = Lex.getUIntVal(); 2717f570e621ab6eec6c7656cc4c511e19aba12b42cdChris Lattner 2718f570e621ab6eec6c7656cc4c511e19aba12b42cdChris Lattner if (NameID != NumberedVals.size()) 2719f570e621ab6eec6c7656cc4c511e19aba12b42cdChris Lattner return TokError("function expected to be numbered '%" + 2720d1e1703c39742f3c9fc3d27a442ff59bbdbfb5aaBenjamin Kramer Twine(NumberedVals.size()) + "'"); 2721f570e621ab6eec6c7656cc4c511e19aba12b42cdChris Lattner } else { 2722df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return TokError("expected function name"); 2723f570e621ab6eec6c7656cc4c511e19aba12b42cdChris Lattner } 2724a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 27253ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner Lex.Lex(); 2726a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 27273ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner if (Lex.getKind() != lltok::lparen) 2728df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return TokError("expected '(' in function argument list"); 2729a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 2730df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner std::vector<ArgInfo> ArgList; 2731df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner bool isVarArg; 2732df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner unsigned FuncAttrs; 2733df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner std::string Section; 2734df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner unsigned Alignment; 27353ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner std::string GC; 27363ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner 2737dfd19ddcfa7568d2118fbc3c6da612295200c31cChris Lattner if (ParseArgumentList(ArgList, isVarArg, false) || 27383ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner ParseOptionalAttrs(FuncAttrs, 2) || 27393ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner (EatIfPresent(lltok::kw_section) && 27403ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner ParseStringConstant(Section)) || 27413ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner ParseOptionalAlignment(Alignment) || 27423ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner (EatIfPresent(lltok::kw_gc) && 27433ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner ParseStringConstant(GC))) 27443ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner return true; 2745df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 2746df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // If the alignment was parsed as an attribute, move to the alignment field. 2747df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (FuncAttrs & Attribute::Alignment) { 2748df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Alignment = Attribute::getAlignmentFromAttrs(FuncAttrs); 2749df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner FuncAttrs &= ~Attribute::Alignment; 2750df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 2751a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 2752df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Okay, if we got here, the function is syntactically valid. Convert types 2753df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // and do semantic checks. 2754df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner std::vector<const Type*> ParamTypeList; 2755df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner SmallVector<AttributeWithIndex, 8> Attrs; 2756a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar // FIXME : In 3.0, stop accepting zext, sext and inreg as optional function 2757df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // attributes. 2758df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner unsigned ObsoleteFuncAttrs = Attribute::ZExt|Attribute::SExt|Attribute::InReg; 2759df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (FuncAttrs & ObsoleteFuncAttrs) { 2760df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner RetAttrs |= FuncAttrs & ObsoleteFuncAttrs; 2761df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner FuncAttrs &= ~ObsoleteFuncAttrs; 2762df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 2763a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 2764df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (RetAttrs != Attribute::None) 2765df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Attrs.push_back(AttributeWithIndex::get(0, RetAttrs)); 2766a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 2767df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner for (unsigned i = 0, e = ArgList.size(); i != e; ++i) { 2768df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParamTypeList.push_back(ArgList[i].Type); 2769df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ArgList[i].Attrs != Attribute::None) 2770df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Attrs.push_back(AttributeWithIndex::get(i+1, ArgList[i].Attrs)); 2771df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 2772df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 2773df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (FuncAttrs != Attribute::None) 2774df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Attrs.push_back(AttributeWithIndex::get(~0, FuncAttrs)); 2775df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 2776df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner AttrListPtr PAL = AttrListPtr::get(Attrs.begin(), Attrs.end()); 2777a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 2778f012705c7e4ca8cf90b6b734ce1d5355daca5ba5Benjamin Kramer if (PAL.paramHasAttr(1, Attribute::StructRet) && !RetType->isVoidTy()) 2779a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar return Error(RetTypeLoc, "functions with 'sret' argument must return void"); 2780a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 2781fba933c823a2862067e0696bd5032ab18185bd77Owen Anderson const FunctionType *FT = 2782debcb01b0f0a15f568ca69e8f288fade4bfc7297Owen Anderson FunctionType::get(RetType, ParamTypeList, isVarArg); 2783debcb01b0f0a15f568ca69e8f288fade4bfc7297Owen Anderson const PointerType *PFT = PointerType::getUnqual(FT); 2784df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 2785df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Fn = 0; 2786df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!FunctionName.empty()) { 2787df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // If this was a definition of a forward reference, remove the definition 2788df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // from the forward reference table and fill in the forward ref. 2789df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner std::map<std::string, std::pair<GlobalValue*, LocTy> >::iterator FRVI = 2790df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ForwardRefVals.find(FunctionName); 2791df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (FRVI != ForwardRefVals.end()) { 2792df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Fn = M->getFunction(FunctionName); 2793f1cfb953375b726f999976924f95fb80db3c1c97Chris Lattner if (Fn->getType() != PFT) 2794f1cfb953375b726f999976924f95fb80db3c1c97Chris Lattner return Error(FRVI->second.second, "invalid forward reference to " 2795f1cfb953375b726f999976924f95fb80db3c1c97Chris Lattner "function '" + FunctionName + "' with wrong type!"); 2796f1cfb953375b726f999976924f95fb80db3c1c97Chris Lattner 2797df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ForwardRefVals.erase(FRVI); 2798df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } else if ((Fn = M->getFunction(FunctionName))) { 2799df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // If this function already exists in the symbol table, then it is 2800df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // multiply defined. We accept a few cases for old backwards compat. 2801df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // FIXME: Remove this stuff for LLVM 3.0. 2802df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Fn->getType() != PFT || Fn->getAttributes() != PAL || 2803df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner (!Fn->isDeclaration() && isDefine)) { 2804df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // If the redefinition has different type or different attributes, 2805df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // reject it. If both have bodies, reject it. 2806df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(NameLoc, "invalid redefinition of function '" + 2807df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner FunctionName + "'"); 2808df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } else if (Fn->isDeclaration()) { 2809df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Make sure to strip off any argument names so we can't get conflicts. 2810df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner for (Function::arg_iterator AI = Fn->arg_begin(), AE = Fn->arg_end(); 2811df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner AI != AE; ++AI) 2812df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner AI->setName(""); 2813df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 28141d871c5e547996a8dd5192e48d22aadf11cd2a9dChris Lattner } else if (M->getNamedValue(FunctionName)) { 28151d871c5e547996a8dd5192e48d22aadf11cd2a9dChris Lattner return Error(NameLoc, "redefinition of function '@" + FunctionName + "'"); 2816df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 2817a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 2818419055453cdc4f9be4a3ad80f9b49e881d528fe9Dan Gohman } else { 2819df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // If this is a definition of a forward referenced function, make sure the 2820df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // types agree. 2821df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner std::map<unsigned, std::pair<GlobalValue*, LocTy> >::iterator I 2822df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner = ForwardRefValIDs.find(NumberedVals.size()); 2823df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (I != ForwardRefValIDs.end()) { 2824df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Fn = cast<Function>(I->second.first); 2825df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Fn->getType() != PFT) 2826df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(NameLoc, "type of definition and forward reference of '@" + 2827d1e1703c39742f3c9fc3d27a442ff59bbdbfb5aaBenjamin Kramer Twine(NumberedVals.size()) + "' disagree"); 2828df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ForwardRefValIDs.erase(I); 2829df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 2830df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 2831df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 2832df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Fn == 0) 2833df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Fn = Function::Create(FT, GlobalValue::ExternalLinkage, FunctionName, M); 2834df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner else // Move the forward-reference to the correct spot in the module. 2835df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner M->getFunctionList().splice(M->end(), M->getFunctionList(), Fn); 2836df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 2837df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (FunctionName.empty()) 2838df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner NumberedVals.push_back(Fn); 2839a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 2840df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Fn->setLinkage((GlobalValue::LinkageTypes)Linkage); 2841df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Fn->setVisibility((GlobalValue::VisibilityTypes)Visibility); 2842df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Fn->setCallingConv(CC); 2843df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Fn->setAttributes(PAL); 2844df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Fn->setAlignment(Alignment); 2845df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Fn->setSection(Section); 2846df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!GC.empty()) Fn->setGC(GC.c_str()); 2847a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 2848df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Add all of the arguments we parsed to the function. 2849df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Function::arg_iterator ArgIt = Fn->arg_begin(); 2850df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner for (unsigned i = 0, e = ArgList.size(); i != e; ++i, ++ArgIt) { 28515bda3792b44c8f5e1f9b974a18eb6061c3d27f89Chris Lattner // If we run out of arguments in the Function prototype, exit early. 28525bda3792b44c8f5e1f9b974a18eb6061c3d27f89Chris Lattner // FIXME: REMOVE THIS IN LLVM 3.0, this is just for the mismatch case above. 28535bda3792b44c8f5e1f9b974a18eb6061c3d27f89Chris Lattner if (ArgIt == Fn->arg_end()) break; 28545bda3792b44c8f5e1f9b974a18eb6061c3d27f89Chris Lattner 2855df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // If the argument has a name, insert it into the argument symbol table. 2856df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ArgList[i].Name.empty()) continue; 2857a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 2858df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Set the name, if it conflicted, it will be auto-renamed. 2859df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ArgIt->setName(ArgList[i].Name); 2860a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 2861af81235ef96a7a005b7fdfe5a64cce30df3d820dBenjamin Kramer if (ArgIt->getName() != ArgList[i].Name) 2862df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(ArgList[i].Loc, "redefinition of argument '%" + 2863df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ArgList[i].Name + "'"); 2864df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 2865a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 2866df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 2867df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 2868df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 2869df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 2870df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ParseFunctionBody 2871df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= '{' BasicBlock+ '}' 2872df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= 'begin' BasicBlock+ 'end' // FIXME: remove in LLVM 3.0 2873df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// 2874df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ParseFunctionBody(Function &Fn) { 2875df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Lex.getKind() != lltok::lbrace && Lex.getKind() != lltok::kw_begin) 2876df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return TokError("expected '{' in function body"); 2877df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.Lex(); // eat the {. 2878a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 287909d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner int FunctionNumber = -1; 288009d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner if (!Fn.hasName()) FunctionNumber = NumberedVals.size()-1; 288109d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner 288209d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner PerFunctionState PFS(*this, Fn, FunctionNumber); 2883a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 28842fdf8dbed5661336059f647700e66bca1f4cd51aChris Lattner // We need at least one basic block. 28852fdf8dbed5661336059f647700e66bca1f4cd51aChris Lattner if (Lex.getKind() == lltok::rbrace || Lex.getKind() == lltok::kw_end) 28862fdf8dbed5661336059f647700e66bca1f4cd51aChris Lattner return TokError("function body requires at least one basic block"); 28872fdf8dbed5661336059f647700e66bca1f4cd51aChris Lattner 2888df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner while (Lex.getKind() != lltok::rbrace && Lex.getKind() != lltok::kw_end) 2889df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseBasicBlock(PFS)) return true; 2890a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 2891df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Eat the }. 2892df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.Lex(); 2893a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 2894df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Verify function is ok. 289509d9ef4122414a1a2ec95f52d660d6500f2819d0Chris Lattner return PFS.FinishFunction(); 2896df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 2897df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 2898df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ParseBasicBlock 2899df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= LabelStr? Instruction* 2900df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ParseBasicBlock(PerFunctionState &PFS) { 2901df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // If this basic block starts out with a name, remember it. 2902df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner std::string Name; 2903df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner LocTy NameLoc = Lex.getLoc(); 2904df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Lex.getKind() == lltok::LabelStr) { 2905df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Name = Lex.getStrVal(); 2906df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.Lex(); 2907df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 2908a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 2909df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner BasicBlock *BB = PFS.DefineBB(Name, NameLoc); 2910df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (BB == 0) return true; 2911a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 2912df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner std::string NameStr; 2913a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 2914df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Parse the instructions in this block until we get a terminator. 2915df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Instruction *Inst; 29161340dd37087c1d47a85a4461a8d33cd6ccbcfaafChris Lattner SmallVector<std::pair<unsigned, MDNode *>, 4> MetadataOnInst; 2917df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner do { 2918df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // This instruction may have three possibilities for a name: a) none 2919df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // specified, b) name specified "%foo =", c) number specified: "%4 =". 2920df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner LocTy NameLoc = Lex.getLoc(); 2921df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner int NameID = -1; 2922df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner NameStr = ""; 2923a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 2924df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Lex.getKind() == lltok::LocalVarID) { 2925df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner NameID = Lex.getUIntVal(); 2926df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.Lex(); 2927df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseToken(lltok::equal, "expected '=' after instruction id")) 2928df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 2929df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } else if (Lex.getKind() == lltok::LocalVar || 2930df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // FIXME: REMOVE IN LLVM 3.0 2931df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.getKind() == lltok::StringConstant) { 2932df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner NameStr = Lex.getStrVal(); 2933df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.Lex(); 2934df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseToken(lltok::equal, "expected '=' after instruction name")) 2935df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 2936df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 2937f633a065de959b32892c51d741d4db010c5d25b1Devang Patel 2938f1bc7ce7b362d2859349c7a1e2bc6df493d0f809Chris Lattner switch (ParseInstruction(Inst, BB, PFS)) { 2939f1bc7ce7b362d2859349c7a1e2bc6df493d0f809Chris Lattner default: assert(0 && "Unknown ParseInstruction result!"); 2940f1bc7ce7b362d2859349c7a1e2bc6df493d0f809Chris Lattner case InstError: return true; 2941f1bc7ce7b362d2859349c7a1e2bc6df493d0f809Chris Lattner case InstNormal: 29424ba9d9b67be87ce82f71023643b759ff12fdb411Chris Lattner BB->getInstList().push_back(Inst); 29434ba9d9b67be87ce82f71023643b759ff12fdb411Chris Lattner 2944f1bc7ce7b362d2859349c7a1e2bc6df493d0f809Chris Lattner // With a normal result, we check to see if the instruction is followed by 2945f1bc7ce7b362d2859349c7a1e2bc6df493d0f809Chris Lattner // a comma and metadata. 2946f1bc7ce7b362d2859349c7a1e2bc6df493d0f809Chris Lattner if (EatIfPresent(lltok::comma)) 29479d072f51ebf61edda9c31f831c2642d110170d13Dan Gohman if (ParseInstructionMetadata(Inst, &PFS)) 2948f1bc7ce7b362d2859349c7a1e2bc6df493d0f809Chris Lattner return true; 2949f1bc7ce7b362d2859349c7a1e2bc6df493d0f809Chris Lattner break; 2950f1bc7ce7b362d2859349c7a1e2bc6df493d0f809Chris Lattner case InstExtraComma: 29514ba9d9b67be87ce82f71023643b759ff12fdb411Chris Lattner BB->getInstList().push_back(Inst); 29524ba9d9b67be87ce82f71023643b759ff12fdb411Chris Lattner 2953f1bc7ce7b362d2859349c7a1e2bc6df493d0f809Chris Lattner // If the instruction parser ate an extra comma at the end of it, it 2954f1bc7ce7b362d2859349c7a1e2bc6df493d0f809Chris Lattner // *must* be followed by metadata. 29559d072f51ebf61edda9c31f831c2642d110170d13Dan Gohman if (ParseInstructionMetadata(Inst, &PFS)) 2956f1bc7ce7b362d2859349c7a1e2bc6df493d0f809Chris Lattner return true; 2957f1bc7ce7b362d2859349c7a1e2bc6df493d0f809Chris Lattner break; 2958f1bc7ce7b362d2859349c7a1e2bc6df493d0f809Chris Lattner } 2959f633a065de959b32892c51d741d4db010c5d25b1Devang Patel 2960df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Set the name on the instruction. 2961df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (PFS.SetInstName(NameID, NameStr, NameLoc, Inst)) return true; 2962df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } while (!isa<TerminatorInst>(Inst)); 2963a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 2964df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 2965df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 2966df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 2967df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner//===----------------------------------------------------------------------===// 2968df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner// Instruction Parsing. 2969df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner//===----------------------------------------------------------------------===// 2970df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 2971df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ParseInstruction - Parse one of the many different instructions. 2972df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// 2973f1bc7ce7b362d2859349c7a1e2bc6df493d0f809Chris Lattnerint LLParser::ParseInstruction(Instruction *&Inst, BasicBlock *BB, 2974f1bc7ce7b362d2859349c7a1e2bc6df493d0f809Chris Lattner PerFunctionState &PFS) { 2975df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner lltok::Kind Token = Lex.getKind(); 2976df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Token == lltok::Eof) 2977df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return TokError("found end of file when expecting more instructions"); 2978df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner LocTy Loc = Lex.getLoc(); 2979f6f0bdfec336b596b095b4db8126149bbb33fec1Chris Lattner unsigned KeywordVal = Lex.getUIntVal(); 2980df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.Lex(); // Eat the keyword. 2981a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 2982df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner switch (Token) { 2983df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner default: return Error(Loc, "expected instruction opcode"); 2984df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Terminator Instructions. 29851d0be15f89cb5056e20e2d24faa8d6afb1573bcaOwen Anderson case lltok::kw_unwind: Inst = new UnwindInst(Context); return false; 29861d0be15f89cb5056e20e2d24faa8d6afb1573bcaOwen Anderson case lltok::kw_unreachable: Inst = new UnreachableInst(Context); return false; 2987df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_ret: return ParseRet(Inst, BB, PFS); 2988df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_br: return ParseBr(Inst, PFS); 2989df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_switch: return ParseSwitch(Inst, PFS); 2990ab21db79ef1d2530880ad11f21f0b87ffca02dd4Chris Lattner case lltok::kw_indirectbr: return ParseIndirectBr(Inst, PFS); 2991df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_invoke: return ParseInvoke(Inst, PFS); 2992df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Binary Operators. 2993df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_add: 2994df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_sub: 299559858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman case lltok::kw_mul: { 299659858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman bool NUW = false; 299759858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman bool NSW = false; 299859858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman LocTy ModifierLoc = Lex.getLoc(); 299959858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman if (EatIfPresent(lltok::kw_nuw)) 300059858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman NUW = true; 300159858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman if (EatIfPresent(lltok::kw_nsw)) { 300259858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman NSW = true; 300359858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman if (EatIfPresent(lltok::kw_nuw)) 300459858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman NUW = true; 300559858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman } 30061eaac532615a54a1133367dc2c4ceaa79a150a9dDan Gohman bool Result = ParseArithmetic(Inst, PFS, KeywordVal, 1); 300759858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman if (!Result) { 3008b0bc6c361da9009e8414efde317d9bbff755f6c0Duncan Sands if (!Inst->getType()->isIntOrIntVectorTy()) { 300959858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman if (NUW) 301059858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman return Error(ModifierLoc, "nuw only applies to integer operations"); 301159858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman if (NSW) 301259858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman return Error(ModifierLoc, "nsw only applies to integer operations"); 301359858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman } 301459858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman if (NUW) 3015f8dbee7cea072eb63ae343759975109553697bcbDan Gohman cast<BinaryOperator>(Inst)->setHasNoUnsignedWrap(true); 301659858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman if (NSW) 3017f8dbee7cea072eb63ae343759975109553697bcbDan Gohman cast<BinaryOperator>(Inst)->setHasNoSignedWrap(true); 301859858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman } 301959858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman return Result; 302059858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman } 3021ae3a0be92e33bc716722aa600983fc1535acb122Dan Gohman case lltok::kw_fadd: 3022ae3a0be92e33bc716722aa600983fc1535acb122Dan Gohman case lltok::kw_fsub: 3023ae3a0be92e33bc716722aa600983fc1535acb122Dan Gohman case lltok::kw_fmul: return ParseArithmetic(Inst, PFS, KeywordVal, 2); 3024ae3a0be92e33bc716722aa600983fc1535acb122Dan Gohman 302559858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman case lltok::kw_sdiv: { 302659858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman bool Exact = false; 302759858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman if (EatIfPresent(lltok::kw_exact)) 302859858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman Exact = true; 302959858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman bool Result = ParseArithmetic(Inst, PFS, KeywordVal, 1); 303059858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman if (!Result) 303159858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman if (Exact) 3032f8dbee7cea072eb63ae343759975109553697bcbDan Gohman cast<BinaryOperator>(Inst)->setIsExact(true); 303359858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman return Result; 303459858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman } 303559858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman 3036df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_udiv: 3037df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_urem: 3038f6f0bdfec336b596b095b4db8126149bbb33fec1Chris Lattner case lltok::kw_srem: return ParseArithmetic(Inst, PFS, KeywordVal, 1); 3039e914b59c008745204c49fcf0751f9cc4d91f44bbChris Lattner case lltok::kw_fdiv: 3040f6f0bdfec336b596b095b4db8126149bbb33fec1Chris Lattner case lltok::kw_frem: return ParseArithmetic(Inst, PFS, KeywordVal, 2); 3041df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_shl: 3042df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_lshr: 3043df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_ashr: 3044df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_and: 3045df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_or: 3046f6f0bdfec336b596b095b4db8126149bbb33fec1Chris Lattner case lltok::kw_xor: return ParseLogical(Inst, PFS, KeywordVal); 3047df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_icmp: 30487f6aa2b162e5daaf7b9ccf05d749597d3d7cf460Nick Lewycky case lltok::kw_fcmp: return ParseCompare(Inst, PFS, KeywordVal); 3049df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Casts. 3050df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_trunc: 3051df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_zext: 3052df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_sext: 3053df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_fptrunc: 3054df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_fpext: 3055df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_bitcast: 3056df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_uitofp: 3057df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_sitofp: 3058df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_fptoui: 3059a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar case lltok::kw_fptosi: 3060df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_inttoptr: 3061f6f0bdfec336b596b095b4db8126149bbb33fec1Chris Lattner case lltok::kw_ptrtoint: return ParseCast(Inst, PFS, KeywordVal); 3062df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Other. 3063df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_select: return ParseSelect(Inst, PFS); 30640088a5cc722b9e32820d31c70175a7650ad4772dChris Lattner case lltok::kw_va_arg: return ParseVA_Arg(Inst, PFS); 3065df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_extractelement: return ParseExtractElement(Inst, PFS); 3066df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_insertelement: return ParseInsertElement(Inst, PFS); 3067df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_shufflevector: return ParseShuffleVector(Inst, PFS); 3068df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_phi: return ParsePHI(Inst, PFS); 3069df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_call: return ParseCall(Inst, PFS, false); 3070df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_tail: return ParseCall(Inst, PFS, true); 3071df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Memory. 307213ad5aaaff8a446758b402fd5e9aea22f5bc5682Victor Hernandez case lltok::kw_alloca: return ParseAlloc(Inst, PFS); 307313ad5aaaff8a446758b402fd5e9aea22f5bc5682Victor Hernandez case lltok::kw_malloc: return ParseAlloc(Inst, PFS, BB, false); 307466284e063a1e46500acae48bdc0e4a00652021d1Victor Hernandez case lltok::kw_free: return ParseFree(Inst, PFS, BB); 3075df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_load: return ParseLoad(Inst, PFS, false); 3076df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_store: return ParseStore(Inst, PFS, false); 3077df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_volatile: 30783ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner if (EatIfPresent(lltok::kw_load)) 3079df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return ParseLoad(Inst, PFS, true); 30803ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner else if (EatIfPresent(lltok::kw_store)) 3081df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return ParseStore(Inst, PFS, true); 30823ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner else 3083df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return TokError("expected 'load' or 'store'"); 3084df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_getresult: return ParseGetResult(Inst, PFS); 3085df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_getelementptr: return ParseGetElementPtr(Inst, PFS); 3086df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_extractvalue: return ParseExtractValue(Inst, PFS); 3087df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_insertvalue: return ParseInsertValue(Inst, PFS); 3088df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 3089df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 3090df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 3091df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ParseCmpPredicate - Parse an integer or fp predicate, based on Kind. 3092df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ParseCmpPredicate(unsigned &P, unsigned Opc) { 30937f6aa2b162e5daaf7b9ccf05d749597d3d7cf460Nick Lewycky if (Opc == Instruction::FCmp) { 3094df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner switch (Lex.getKind()) { 3095df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner default: TokError("expected fcmp predicate (e.g. 'oeq')"); 3096df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_oeq: P = CmpInst::FCMP_OEQ; break; 3097df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_one: P = CmpInst::FCMP_ONE; break; 3098df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_olt: P = CmpInst::FCMP_OLT; break; 3099df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_ogt: P = CmpInst::FCMP_OGT; break; 3100df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_ole: P = CmpInst::FCMP_OLE; break; 3101df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_oge: P = CmpInst::FCMP_OGE; break; 3102df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_ord: P = CmpInst::FCMP_ORD; break; 3103df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_uno: P = CmpInst::FCMP_UNO; break; 3104df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_ueq: P = CmpInst::FCMP_UEQ; break; 3105df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_une: P = CmpInst::FCMP_UNE; break; 3106df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_ult: P = CmpInst::FCMP_ULT; break; 3107df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_ugt: P = CmpInst::FCMP_UGT; break; 3108df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_ule: P = CmpInst::FCMP_ULE; break; 3109df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_uge: P = CmpInst::FCMP_UGE; break; 3110df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_true: P = CmpInst::FCMP_TRUE; break; 3111df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_false: P = CmpInst::FCMP_FALSE; break; 3112df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 3113df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } else { 3114df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner switch (Lex.getKind()) { 3115df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner default: TokError("expected icmp predicate (e.g. 'eq')"); 3116df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_eq: P = CmpInst::ICMP_EQ; break; 3117df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_ne: P = CmpInst::ICMP_NE; break; 3118df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_slt: P = CmpInst::ICMP_SLT; break; 3119df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_sgt: P = CmpInst::ICMP_SGT; break; 3120df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_sle: P = CmpInst::ICMP_SLE; break; 3121df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_sge: P = CmpInst::ICMP_SGE; break; 3122df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_ult: P = CmpInst::ICMP_ULT; break; 3123df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_ugt: P = CmpInst::ICMP_UGT; break; 3124df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_ule: P = CmpInst::ICMP_ULE; break; 3125df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_uge: P = CmpInst::ICMP_UGE; break; 3126df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 3127df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 3128df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.Lex(); 3129df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 3130df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 3131df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 3132df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner//===----------------------------------------------------------------------===// 3133df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner// Terminator Instructions. 3134df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner//===----------------------------------------------------------------------===// 3135df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 3136df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ParseRet - Parse a return instruction. 31373f3a0f6b498e80ffaeb83f03c8697e5d54fd9337Chris Lattner/// ::= 'ret' void (',' !dbg, !1)* 31383f3a0f6b498e80ffaeb83f03c8697e5d54fd9337Chris Lattner/// ::= 'ret' TypeAndValue (',' !dbg, !1)* 31393f3a0f6b498e80ffaeb83f03c8697e5d54fd9337Chris Lattner/// ::= 'ret' TypeAndValue (',' TypeAndValue)+ (',' !dbg, !1)* 3140f633a065de959b32892c51d741d4db010c5d25b1Devang Patel/// [[obsolete: LLVM 3.0]] 3141f1bc7ce7b362d2859349c7a1e2bc6df493d0f809Chris Lattnerint LLParser::ParseRet(Instruction *&Inst, BasicBlock *BB, 3142f1bc7ce7b362d2859349c7a1e2bc6df493d0f809Chris Lattner PerFunctionState &PFS) { 31431d0be15f89cb5056e20e2d24faa8d6afb1573bcaOwen Anderson PATypeHolder Ty(Type::getVoidTy(Context)); 3144a9a9e07d1c5d3c73835e716d81c2ec94ad0b865fChris Lattner if (ParseType(Ty, true /*void allowed*/)) return true; 3145a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3146cf0fe8d813727383d630055bb9d1cde21b00b7e7Chris Lattner if (Ty->isVoidTy()) { 31471d0be15f89cb5056e20e2d24faa8d6afb1573bcaOwen Anderson Inst = ReturnInst::Create(Context); 3148df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 3149df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 3150a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3151df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Value *RV; 3152df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseValue(Ty, RV, PFS)) return true; 3153df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 3154f1bc7ce7b362d2859349c7a1e2bc6df493d0f809Chris Lattner bool ExtraComma = false; 3155f633a065de959b32892c51d741d4db010c5d25b1Devang Patel if (EatIfPresent(lltok::comma)) { 31560475c9170e9621292a48c688c3976031be5650bbDevang Patel // Parse optional custom metadata, e.g. !dbg 31571d92831759620a2e5ce4f5a3088c0a1a77a48c8fChris Lattner if (Lex.getKind() == lltok::MetadataVar) { 3158f1bc7ce7b362d2859349c7a1e2bc6df493d0f809Chris Lattner ExtraComma = true; 3159f633a065de959b32892c51d741d4db010c5d25b1Devang Patel } else { 3160f633a065de959b32892c51d741d4db010c5d25b1Devang Patel // The normal case is one return value. 31613f3a0f6b498e80ffaeb83f03c8697e5d54fd9337Chris Lattner // FIXME: LLVM 3.0 remove MRV support for 'ret i32 1, i32 2', requiring 31623f3a0f6b498e80ffaeb83f03c8697e5d54fd9337Chris Lattner // use of 'ret {i32,i32} {i32 1, i32 2}' 3163f633a065de959b32892c51d741d4db010c5d25b1Devang Patel SmallVector<Value*, 8> RVs; 3164f633a065de959b32892c51d741d4db010c5d25b1Devang Patel RVs.push_back(RV); 3165a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3166f633a065de959b32892c51d741d4db010c5d25b1Devang Patel do { 31670475c9170e9621292a48c688c3976031be5650bbDevang Patel // If optional custom metadata, e.g. !dbg is seen then this is the 31680475c9170e9621292a48c688c3976031be5650bbDevang Patel // end of MRV. 31691d92831759620a2e5ce4f5a3088c0a1a77a48c8fChris Lattner if (Lex.getKind() == lltok::MetadataVar) 3170a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar break; 3171a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar if (ParseTypeAndValue(RV, PFS)) return true; 3172a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar RVs.push_back(RV); 3173f633a065de959b32892c51d741d4db010c5d25b1Devang Patel } while (EatIfPresent(lltok::comma)); 3174f633a065de959b32892c51d741d4db010c5d25b1Devang Patel 3175f633a065de959b32892c51d741d4db010c5d25b1Devang Patel RV = UndefValue::get(PFS.getFunction().getReturnType()); 3176f633a065de959b32892c51d741d4db010c5d25b1Devang Patel for (unsigned i = 0, e = RVs.size(); i != e; ++i) { 3177a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar Instruction *I = InsertValueInst::Create(RV, RVs[i], i, "mrv"); 3178a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar BB->getInstList().push_back(I); 3179a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar RV = I; 3180f633a065de959b32892c51d741d4db010c5d25b1Devang Patel } 3181df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 3182df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 3183f633a065de959b32892c51d741d4db010c5d25b1Devang Patel 31841d0be15f89cb5056e20e2d24faa8d6afb1573bcaOwen Anderson Inst = ReturnInst::Create(Context, RV); 3185f1bc7ce7b362d2859349c7a1e2bc6df493d0f809Chris Lattner return ExtraComma ? InstExtraComma : InstNormal; 3186df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 3187df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 3188df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 3189df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ParseBr 3190df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= 'br' TypeAndValue 3191df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= 'br' TypeAndValue ',' TypeAndValue ',' TypeAndValue 3192df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ParseBr(Instruction *&Inst, PerFunctionState &PFS) { 3193df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner LocTy Loc, Loc2; 3194f9be95f867745b6754b2402b9b72f9eaeabd637fChris Lattner Value *Op0; 3195f9be95f867745b6754b2402b9b72f9eaeabd637fChris Lattner BasicBlock *Op1, *Op2; 3196df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseTypeAndValue(Op0, Loc, PFS)) return true; 3197a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3198df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (BasicBlock *BB = dyn_cast<BasicBlock>(Op0)) { 3199df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Inst = BranchInst::Create(BB); 3200df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 3201df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 3202a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 32031d0be15f89cb5056e20e2d24faa8d6afb1573bcaOwen Anderson if (Op0->getType() != Type::getInt1Ty(Context)) 3204df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(Loc, "branch condition must have 'i1' type"); 3205a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3206df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseToken(lltok::comma, "expected ',' after branch condition") || 3207f9be95f867745b6754b2402b9b72f9eaeabd637fChris Lattner ParseTypeAndBasicBlock(Op1, Loc, PFS) || 3208df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseToken(lltok::comma, "expected ',' after true destination") || 3209f9be95f867745b6754b2402b9b72f9eaeabd637fChris Lattner ParseTypeAndBasicBlock(Op2, Loc2, PFS)) 3210df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 3211a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3212f9be95f867745b6754b2402b9b72f9eaeabd637fChris Lattner Inst = BranchInst::Create(Op1, Op2, Op0); 3213df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 3214df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 3215df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 3216df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ParseSwitch 3217df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// Instruction 3218df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= 'switch' TypeAndValue ',' TypeAndValue '[' JumpTable ']' 3219df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// JumpTable 3220df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= (TypeAndValue ',' TypeAndValue)* 3221df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ParseSwitch(Instruction *&Inst, PerFunctionState &PFS) { 3222df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner LocTy CondLoc, BBLoc; 3223f9be95f867745b6754b2402b9b72f9eaeabd637fChris Lattner Value *Cond; 3224f9be95f867745b6754b2402b9b72f9eaeabd637fChris Lattner BasicBlock *DefaultBB; 3225df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseTypeAndValue(Cond, CondLoc, PFS) || 3226df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseToken(lltok::comma, "expected ',' after switch condition") || 3227f9be95f867745b6754b2402b9b72f9eaeabd637fChris Lattner ParseTypeAndBasicBlock(DefaultBB, BBLoc, PFS) || 3228df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseToken(lltok::lsquare, "expected '[' with switch table")) 3229df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 3230df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 32311df9859c40492511b8aa4321eb76496005d3b75bDuncan Sands if (!Cond->getType()->isIntegerTy()) 3232df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(CondLoc, "switch condition must have integer type"); 3233a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3234df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Parse the jump table pairs. 3235df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner SmallPtrSet<Value*, 32> SeenCases; 3236df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner SmallVector<std::pair<ConstantInt*, BasicBlock*>, 32> Table; 3237df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner while (Lex.getKind() != lltok::rsquare) { 3238f9be95f867745b6754b2402b9b72f9eaeabd637fChris Lattner Value *Constant; 3239f9be95f867745b6754b2402b9b72f9eaeabd637fChris Lattner BasicBlock *DestBB; 3240a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3241df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseTypeAndValue(Constant, CondLoc, PFS) || 3242df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseToken(lltok::comma, "expected ',' after case value") || 3243f9be95f867745b6754b2402b9b72f9eaeabd637fChris Lattner ParseTypeAndBasicBlock(DestBB, PFS)) 3244df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 3245f9be95f867745b6754b2402b9b72f9eaeabd637fChris Lattner 3246df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!SeenCases.insert(Constant)) 3247df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(CondLoc, "duplicate case value in switch"); 3248df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!isa<ConstantInt>(Constant)) 3249df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(CondLoc, "case value is not a constant integer"); 3250a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3251f9be95f867745b6754b2402b9b72f9eaeabd637fChris Lattner Table.push_back(std::make_pair(cast<ConstantInt>(Constant), DestBB)); 3252df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 3253a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3254df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.Lex(); // Eat the ']'. 3255a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3256f9be95f867745b6754b2402b9b72f9eaeabd637fChris Lattner SwitchInst *SI = SwitchInst::Create(Cond, DefaultBB, Table.size()); 3257df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner for (unsigned i = 0, e = Table.size(); i != e; ++i) 3258df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner SI->addCase(Table[i].first, Table[i].second); 3259df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Inst = SI; 3260df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 3261df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 3262df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 3263ab21db79ef1d2530880ad11f21f0b87ffca02dd4Chris Lattner/// ParseIndirectBr 3264f9be95f867745b6754b2402b9b72f9eaeabd637fChris Lattner/// Instruction 3265ab21db79ef1d2530880ad11f21f0b87ffca02dd4Chris Lattner/// ::= 'indirectbr' TypeAndValue ',' '[' LabelList ']' 3266ab21db79ef1d2530880ad11f21f0b87ffca02dd4Chris Lattnerbool LLParser::ParseIndirectBr(Instruction *&Inst, PerFunctionState &PFS) { 3267f9be95f867745b6754b2402b9b72f9eaeabd637fChris Lattner LocTy AddrLoc; 3268f9be95f867745b6754b2402b9b72f9eaeabd637fChris Lattner Value *Address; 3269f9be95f867745b6754b2402b9b72f9eaeabd637fChris Lattner if (ParseTypeAndValue(Address, AddrLoc, PFS) || 3270ab21db79ef1d2530880ad11f21f0b87ffca02dd4Chris Lattner ParseToken(lltok::comma, "expected ',' after indirectbr address") || 3271ab21db79ef1d2530880ad11f21f0b87ffca02dd4Chris Lattner ParseToken(lltok::lsquare, "expected '[' with indirectbr")) 3272f9be95f867745b6754b2402b9b72f9eaeabd637fChris Lattner return true; 3273f9be95f867745b6754b2402b9b72f9eaeabd637fChris Lattner 32741df9859c40492511b8aa4321eb76496005d3b75bDuncan Sands if (!Address->getType()->isPointerTy()) 3275ab21db79ef1d2530880ad11f21f0b87ffca02dd4Chris Lattner return Error(AddrLoc, "indirectbr address must have pointer type"); 3276f9be95f867745b6754b2402b9b72f9eaeabd637fChris Lattner 3277f9be95f867745b6754b2402b9b72f9eaeabd637fChris Lattner // Parse the destination list. 3278f9be95f867745b6754b2402b9b72f9eaeabd637fChris Lattner SmallVector<BasicBlock*, 16> DestList; 3279f9be95f867745b6754b2402b9b72f9eaeabd637fChris Lattner 3280f9be95f867745b6754b2402b9b72f9eaeabd637fChris Lattner if (Lex.getKind() != lltok::rsquare) { 3281f9be95f867745b6754b2402b9b72f9eaeabd637fChris Lattner BasicBlock *DestBB; 3282f9be95f867745b6754b2402b9b72f9eaeabd637fChris Lattner if (ParseTypeAndBasicBlock(DestBB, PFS)) 3283f9be95f867745b6754b2402b9b72f9eaeabd637fChris Lattner return true; 3284f9be95f867745b6754b2402b9b72f9eaeabd637fChris Lattner DestList.push_back(DestBB); 3285f9be95f867745b6754b2402b9b72f9eaeabd637fChris Lattner 3286f9be95f867745b6754b2402b9b72f9eaeabd637fChris Lattner while (EatIfPresent(lltok::comma)) { 3287f9be95f867745b6754b2402b9b72f9eaeabd637fChris Lattner if (ParseTypeAndBasicBlock(DestBB, PFS)) 3288f9be95f867745b6754b2402b9b72f9eaeabd637fChris Lattner return true; 3289f9be95f867745b6754b2402b9b72f9eaeabd637fChris Lattner DestList.push_back(DestBB); 3290f9be95f867745b6754b2402b9b72f9eaeabd637fChris Lattner } 3291f9be95f867745b6754b2402b9b72f9eaeabd637fChris Lattner } 3292f9be95f867745b6754b2402b9b72f9eaeabd637fChris Lattner 3293f9be95f867745b6754b2402b9b72f9eaeabd637fChris Lattner if (ParseToken(lltok::rsquare, "expected ']' at end of block list")) 3294f9be95f867745b6754b2402b9b72f9eaeabd637fChris Lattner return true; 3295f9be95f867745b6754b2402b9b72f9eaeabd637fChris Lattner 3296ab21db79ef1d2530880ad11f21f0b87ffca02dd4Chris Lattner IndirectBrInst *IBI = IndirectBrInst::Create(Address, DestList.size()); 3297f9be95f867745b6754b2402b9b72f9eaeabd637fChris Lattner for (unsigned i = 0, e = DestList.size(); i != e; ++i) 3298f9be95f867745b6754b2402b9b72f9eaeabd637fChris Lattner IBI->addDestination(DestList[i]); 3299f9be95f867745b6754b2402b9b72f9eaeabd637fChris Lattner Inst = IBI; 3300f9be95f867745b6754b2402b9b72f9eaeabd637fChris Lattner return false; 3301f9be95f867745b6754b2402b9b72f9eaeabd637fChris Lattner} 3302f9be95f867745b6754b2402b9b72f9eaeabd637fChris Lattner 3303f9be95f867745b6754b2402b9b72f9eaeabd637fChris Lattner 3304df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ParseInvoke 3305df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= 'invoke' OptionalCallingConv OptionalAttrs Type Value ParamList 3306df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// OptionalAttrs 'to' TypeAndValue 'unwind' TypeAndValue 3307df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ParseInvoke(Instruction *&Inst, PerFunctionState &PFS) { 3308df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner LocTy CallLoc = Lex.getLoc(); 330965c3c8f323198b99b88b109654194540cf9b3fa5Sandeep Patel unsigned RetAttrs, FnAttrs; 331065c3c8f323198b99b88b109654194540cf9b3fa5Sandeep Patel CallingConv::ID CC; 33111d0be15f89cb5056e20e2d24faa8d6afb1573bcaOwen Anderson PATypeHolder RetType(Type::getVoidTy(Context)); 3312df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner LocTy RetTypeLoc; 3313df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ValID CalleeID; 3314df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner SmallVector<ParamInfo, 16> ArgList; 3315df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 3316f9be95f867745b6754b2402b9b72f9eaeabd637fChris Lattner BasicBlock *NormalBB, *UnwindBB; 3317df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseOptionalCallingConv(CC) || 3318df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseOptionalAttrs(RetAttrs, 1) || 3319a9a9e07d1c5d3c73835e716d81c2ec94ad0b865fChris Lattner ParseType(RetType, RetTypeLoc, true /*void allowed*/) || 3320df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseValID(CalleeID) || 3321df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseParameterList(ArgList, PFS) || 3322df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseOptionalAttrs(FnAttrs, 2) || 3323df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseToken(lltok::kw_to, "expected 'to' in invoke") || 3324f9be95f867745b6754b2402b9b72f9eaeabd637fChris Lattner ParseTypeAndBasicBlock(NormalBB, PFS) || 3325df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseToken(lltok::kw_unwind, "expected 'unwind' in invoke") || 3326f9be95f867745b6754b2402b9b72f9eaeabd637fChris Lattner ParseTypeAndBasicBlock(UnwindBB, PFS)) 3327df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 3328a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3329df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // If RetType is a non-function pointer type, then this is the short syntax 3330df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // for the call, which means that RetType is just the return type. Infer the 3331df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // rest of the function argument types from the arguments that are present. 3332df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner const PointerType *PFTy = 0; 3333df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner const FunctionType *Ty = 0; 3334df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!(PFTy = dyn_cast<PointerType>(RetType)) || 3335df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner !(Ty = dyn_cast<FunctionType>(PFTy->getElementType()))) { 3336df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Pull out the types of all of the arguments... 3337df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner std::vector<const Type*> ParamTypes; 3338df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner for (unsigned i = 0, e = ArgList.size(); i != e; ++i) 3339df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParamTypes.push_back(ArgList[i].V->getType()); 3340a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3341df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!FunctionType::isValidReturnType(RetType)) 3342df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(RetTypeLoc, "Invalid result type for LLVM function"); 3343a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3344debcb01b0f0a15f568ca69e8f288fade4bfc7297Owen Anderson Ty = FunctionType::get(RetType, ParamTypes, false); 3345debcb01b0f0a15f568ca69e8f288fade4bfc7297Owen Anderson PFTy = PointerType::getUnqual(Ty); 3346df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 3347a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3348df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Look up the callee. 3349df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Value *Callee; 335092f238dd8fe19b26103bd451c571281d9b7ad324Victor Hernandez if (ConvertValIDToValue(PFTy, CalleeID, Callee, &PFS)) return true; 3351a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3352df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // FIXME: In LLVM 3.0, stop accepting zext, sext and inreg as optional 3353df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // function attributes. 3354df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner unsigned ObsoleteFuncAttrs = Attribute::ZExt|Attribute::SExt|Attribute::InReg; 3355df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (FnAttrs & ObsoleteFuncAttrs) { 3356df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner RetAttrs |= FnAttrs & ObsoleteFuncAttrs; 3357df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner FnAttrs &= ~ObsoleteFuncAttrs; 3358df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 3359a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3360df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Set up the Attributes for the function. 3361df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner SmallVector<AttributeWithIndex, 8> Attrs; 3362df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (RetAttrs != Attribute::None) 3363df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Attrs.push_back(AttributeWithIndex::get(0, RetAttrs)); 3364a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3365df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner SmallVector<Value*, 8> Args; 3366a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3367df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Loop through FunctionType's arguments and ensure they are specified 3368df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // correctly. Also, gather any parameter attributes. 3369df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner FunctionType::param_iterator I = Ty->param_begin(); 3370df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner FunctionType::param_iterator E = Ty->param_end(); 3371df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner for (unsigned i = 0, e = ArgList.size(); i != e; ++i) { 3372df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner const Type *ExpectedTy = 0; 3373df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (I != E) { 3374df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ExpectedTy = *I++; 3375df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } else if (!Ty->isVarArg()) { 3376df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(ArgList[i].Loc, "too many arguments specified"); 3377df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 3378a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3379df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ExpectedTy && ExpectedTy != ArgList[i].V->getType()) 3380df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(ArgList[i].Loc, "argument is not of expected type '" + 3381df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ExpectedTy->getDescription() + "'"); 3382df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Args.push_back(ArgList[i].V); 3383df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ArgList[i].Attrs != Attribute::None) 3384df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Attrs.push_back(AttributeWithIndex::get(i+1, ArgList[i].Attrs)); 3385df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 3386a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3387df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (I != E) 3388df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(CallLoc, "not enough parameters specified for call"); 3389a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3390df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (FnAttrs != Attribute::None) 3391df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Attrs.push_back(AttributeWithIndex::get(~0, FnAttrs)); 3392a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3393df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Finish off the Attributes and check them 3394df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner AttrListPtr PAL = AttrListPtr::get(Attrs.begin(), Attrs.end()); 3395a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3396f9be95f867745b6754b2402b9b72f9eaeabd637fChris Lattner InvokeInst *II = InvokeInst::Create(Callee, NormalBB, UnwindBB, 3397df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Args.begin(), Args.end()); 3398df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner II->setCallingConv(CC); 3399df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner II->setAttributes(PAL); 3400df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Inst = II; 3401df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 3402df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 3403df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 3404df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 3405df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 3406df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner//===----------------------------------------------------------------------===// 3407df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner// Binary Operators. 3408df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner//===----------------------------------------------------------------------===// 3409df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 3410df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ParseArithmetic 3411e914b59c008745204c49fcf0751f9cc4d91f44bbChris Lattner/// ::= ArithmeticOps TypeAndValue ',' Value 3412e914b59c008745204c49fcf0751f9cc4d91f44bbChris Lattner/// 3413e914b59c008745204c49fcf0751f9cc4d91f44bbChris Lattner/// If OperandType is 0, then any FP or integer operand is allowed. If it is 1, 3414e914b59c008745204c49fcf0751f9cc4d91f44bbChris Lattner/// then any integer operand is allowed, if it is 2, any fp operand is allowed. 3415df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ParseArithmetic(Instruction *&Inst, PerFunctionState &PFS, 3416e914b59c008745204c49fcf0751f9cc4d91f44bbChris Lattner unsigned Opc, unsigned OperandType) { 3417df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner LocTy Loc; Value *LHS, *RHS; 3418df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseTypeAndValue(LHS, Loc, PFS) || 3419df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseToken(lltok::comma, "expected ',' in arithmetic operation") || 3420df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseValue(LHS->getType(), RHS, PFS)) 3421df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 3422df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 3423e914b59c008745204c49fcf0751f9cc4d91f44bbChris Lattner bool Valid; 3424e914b59c008745204c49fcf0751f9cc4d91f44bbChris Lattner switch (OperandType) { 3425c23197a26f34f559ea9797de51e187087c039c42Torok Edwin default: llvm_unreachable("Unknown operand type!"); 3426e914b59c008745204c49fcf0751f9cc4d91f44bbChris Lattner case 0: // int or FP. 3427b0bc6c361da9009e8414efde317d9bbff755f6c0Duncan Sands Valid = LHS->getType()->isIntOrIntVectorTy() || 3428b0bc6c361da9009e8414efde317d9bbff755f6c0Duncan Sands LHS->getType()->isFPOrFPVectorTy(); 3429e914b59c008745204c49fcf0751f9cc4d91f44bbChris Lattner break; 3430b0bc6c361da9009e8414efde317d9bbff755f6c0Duncan Sands case 1: Valid = LHS->getType()->isIntOrIntVectorTy(); break; 3431b0bc6c361da9009e8414efde317d9bbff755f6c0Duncan Sands case 2: Valid = LHS->getType()->isFPOrFPVectorTy(); break; 3432e914b59c008745204c49fcf0751f9cc4d91f44bbChris Lattner } 3433a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3434e914b59c008745204c49fcf0751f9cc4d91f44bbChris Lattner if (!Valid) 3435e914b59c008745204c49fcf0751f9cc4d91f44bbChris Lattner return Error(Loc, "invalid operand type for instruction"); 3436a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3437df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Inst = BinaryOperator::Create((Instruction::BinaryOps)Opc, LHS, RHS); 3438df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 3439df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 3440df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 3441df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ParseLogical 3442df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= ArithmeticOps TypeAndValue ',' Value { 3443df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ParseLogical(Instruction *&Inst, PerFunctionState &PFS, 3444df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner unsigned Opc) { 3445df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner LocTy Loc; Value *LHS, *RHS; 3446df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseTypeAndValue(LHS, Loc, PFS) || 3447df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseToken(lltok::comma, "expected ',' in logical operation") || 3448df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseValue(LHS->getType(), RHS, PFS)) 3449df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 3450df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 3451b0bc6c361da9009e8414efde317d9bbff755f6c0Duncan Sands if (!LHS->getType()->isIntOrIntVectorTy()) 3452df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(Loc,"instruction requires integer or integer vector operands"); 3453df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 3454df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Inst = BinaryOperator::Create((Instruction::BinaryOps)Opc, LHS, RHS); 3455df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 3456df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 3457df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 3458df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 3459df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ParseCompare 3460df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= 'icmp' IPredicates TypeAndValue ',' Value 3461df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= 'fcmp' FPredicates TypeAndValue ',' Value 3462df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ParseCompare(Instruction *&Inst, PerFunctionState &PFS, 3463df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner unsigned Opc) { 3464df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Parse the integer/fp comparison predicate. 3465df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner LocTy Loc; 3466df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner unsigned Pred; 3467df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Value *LHS, *RHS; 3468df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseCmpPredicate(Pred, Opc) || 3469df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseTypeAndValue(LHS, Loc, PFS) || 3470df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseToken(lltok::comma, "expected ',' after compare value") || 3471df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseValue(LHS->getType(), RHS, PFS)) 3472df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 3473a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3474df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Opc == Instruction::FCmp) { 3475b0bc6c361da9009e8414efde317d9bbff755f6c0Duncan Sands if (!LHS->getType()->isFPOrFPVectorTy()) 3476df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(Loc, "fcmp requires floating point operands"); 34771c8a23c440b1665ba422778cdc74a0c59ecaf39eDan Gohman Inst = new FCmpInst(CmpInst::Predicate(Pred), LHS, RHS); 34787f6aa2b162e5daaf7b9ccf05d749597d3d7cf460Nick Lewycky } else { 34797f6aa2b162e5daaf7b9ccf05d749597d3d7cf460Nick Lewycky assert(Opc == Instruction::ICmp && "Unknown opcode for CmpInst!"); 3480b0bc6c361da9009e8414efde317d9bbff755f6c0Duncan Sands if (!LHS->getType()->isIntOrIntVectorTy() && 34811df9859c40492511b8aa4321eb76496005d3b75bDuncan Sands !LHS->getType()->isPointerTy()) 3482df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(Loc, "icmp requires integer operands"); 34831c8a23c440b1665ba422778cdc74a0c59ecaf39eDan Gohman Inst = new ICmpInst(CmpInst::Predicate(Pred), LHS, RHS); 3484df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 3485df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 3486df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 3487df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 3488df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner//===----------------------------------------------------------------------===// 3489df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner// Other Instructions. 3490df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner//===----------------------------------------------------------------------===// 3491df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 3492df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 3493df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ParseCast 3494df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= CastOpc TypeAndValue 'to' Type 3495df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ParseCast(Instruction *&Inst, PerFunctionState &PFS, 3496df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner unsigned Opc) { 3497df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner LocTy Loc; Value *Op; 34981d0be15f89cb5056e20e2d24faa8d6afb1573bcaOwen Anderson PATypeHolder DestTy(Type::getVoidTy(Context)); 3499df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseTypeAndValue(Op, Loc, PFS) || 3500df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseToken(lltok::kw_to, "expected 'to' after cast value") || 3501df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseType(DestTy)) 3502df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 3503a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3504f6f0bdfec336b596b095b4db8126149bbb33fec1Chris Lattner if (!CastInst::castIsValid((Instruction::CastOps)Opc, Op, DestTy)) { 3505f6f0bdfec336b596b095b4db8126149bbb33fec1Chris Lattner CastInst::castIsValid((Instruction::CastOps)Opc, Op, DestTy); 3506df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(Loc, "invalid cast opcode for cast from '" + 3507df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Op->getType()->getDescription() + "' to '" + 3508df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner DestTy->getDescription() + "'"); 3509f6f0bdfec336b596b095b4db8126149bbb33fec1Chris Lattner } 3510df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Inst = CastInst::Create((Instruction::CastOps)Opc, Op, DestTy); 3511df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 3512df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 3513df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 3514df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ParseSelect 3515df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= 'select' TypeAndValue ',' TypeAndValue ',' TypeAndValue 3516df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ParseSelect(Instruction *&Inst, PerFunctionState &PFS) { 3517df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner LocTy Loc; 3518df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Value *Op0, *Op1, *Op2; 3519df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseTypeAndValue(Op0, Loc, PFS) || 3520df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseToken(lltok::comma, "expected ',' after select condition") || 3521df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseTypeAndValue(Op1, PFS) || 3522df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseToken(lltok::comma, "expected ',' after select value") || 3523df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseTypeAndValue(Op2, PFS)) 3524df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 3525a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3526df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (const char *Reason = SelectInst::areInvalidOperands(Op0, Op1, Op2)) 3527df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(Loc, Reason); 3528a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3529df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Inst = SelectInst::Create(Op0, Op1, Op2); 3530df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 3531df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 3532df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 35330088a5cc722b9e32820d31c70175a7650ad4772dChris Lattner/// ParseVA_Arg 35340088a5cc722b9e32820d31c70175a7650ad4772dChris Lattner/// ::= 'va_arg' TypeAndValue ',' Type 35350088a5cc722b9e32820d31c70175a7650ad4772dChris Lattnerbool LLParser::ParseVA_Arg(Instruction *&Inst, PerFunctionState &PFS) { 3536df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Value *Op; 35371d0be15f89cb5056e20e2d24faa8d6afb1573bcaOwen Anderson PATypeHolder EltTy(Type::getVoidTy(Context)); 35380088a5cc722b9e32820d31c70175a7650ad4772dChris Lattner LocTy TypeLoc; 3539df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseTypeAndValue(Op, PFS) || 3540df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseToken(lltok::comma, "expected ',' after vaarg operand") || 35410088a5cc722b9e32820d31c70175a7650ad4772dChris Lattner ParseType(EltTy, TypeLoc)) 3542df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 3543a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 35440088a5cc722b9e32820d31c70175a7650ad4772dChris Lattner if (!EltTy->isFirstClassType()) 35450088a5cc722b9e32820d31c70175a7650ad4772dChris Lattner return Error(TypeLoc, "va_arg requires operand with first class type"); 3546df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 3547df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Inst = new VAArgInst(Op, EltTy); 3548df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 3549df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 3550df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 3551df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ParseExtractElement 3552df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= 'extractelement' TypeAndValue ',' TypeAndValue 3553df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ParseExtractElement(Instruction *&Inst, PerFunctionState &PFS) { 3554df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner LocTy Loc; 3555df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Value *Op0, *Op1; 3556df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseTypeAndValue(Op0, Loc, PFS) || 3557df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseToken(lltok::comma, "expected ',' after extract value") || 3558df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseTypeAndValue(Op1, PFS)) 3559df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 3560a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3561df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!ExtractElementInst::isValidOperands(Op0, Op1)) 3562df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(Loc, "invalid extractelement operands"); 3563a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3564a3500da5592aee83675d6714d4f1e9d5ad96d1f2Eric Christopher Inst = ExtractElementInst::Create(Op0, Op1); 3565df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 3566df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 3567df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 3568df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ParseInsertElement 3569df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= 'insertelement' TypeAndValue ',' TypeAndValue ',' TypeAndValue 3570df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ParseInsertElement(Instruction *&Inst, PerFunctionState &PFS) { 3571df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner LocTy Loc; 3572df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Value *Op0, *Op1, *Op2; 3573df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseTypeAndValue(Op0, Loc, PFS) || 3574df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseToken(lltok::comma, "expected ',' after insertelement value") || 3575df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseTypeAndValue(Op1, PFS) || 3576df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseToken(lltok::comma, "expected ',' after insertelement value") || 3577df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseTypeAndValue(Op2, PFS)) 3578df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 3579a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3580df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!InsertElementInst::isValidOperands(Op0, Op1, Op2)) 35810aaf4e91c2961585c160af0cc87f040301aafbd2Eric Christopher return Error(Loc, "invalid insertelement operands"); 3582a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3583df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Inst = InsertElementInst::Create(Op0, Op1, Op2); 3584df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 3585df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 3586df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 3587df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ParseShuffleVector 3588df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= 'shufflevector' TypeAndValue ',' TypeAndValue ',' TypeAndValue 3589df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ParseShuffleVector(Instruction *&Inst, PerFunctionState &PFS) { 3590df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner LocTy Loc; 3591df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Value *Op0, *Op1, *Op2; 3592df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseTypeAndValue(Op0, Loc, PFS) || 3593df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseToken(lltok::comma, "expected ',' after shuffle mask") || 3594df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseTypeAndValue(Op1, PFS) || 3595df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseToken(lltok::comma, "expected ',' after shuffle value") || 3596df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseTypeAndValue(Op2, PFS)) 3597df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 3598a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3599df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!ShuffleVectorInst::isValidOperands(Op0, Op1, Op2)) 3600df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(Loc, "invalid extractelement operands"); 3601a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3602df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Inst = new ShuffleVectorInst(Op0, Op1, Op2); 3603df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 3604df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 3605df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 3606df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ParsePHI 3607c6e200960812992f1124c92f801166bd1b387971Chris Lattner/// ::= 'phi' Type '[' Value ',' Value ']' (',' '[' Value ',' Value ']')* 3608a7d7f2c0239ecc8513461ec69c8b922698ce5fe0Chris Lattnerint LLParser::ParsePHI(Instruction *&Inst, PerFunctionState &PFS) { 36091d0be15f89cb5056e20e2d24faa8d6afb1573bcaOwen Anderson PATypeHolder Ty(Type::getVoidTy(Context)); 3610df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Value *Op0, *Op1; 3611df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner LocTy TypeLoc = Lex.getLoc(); 3612a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3613df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseType(Ty) || 3614df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseToken(lltok::lsquare, "expected '[' in phi value list") || 3615df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseValue(Ty, Op0, PFS) || 3616df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseToken(lltok::comma, "expected ',' after insertelement value") || 36171d0be15f89cb5056e20e2d24faa8d6afb1573bcaOwen Anderson ParseValue(Type::getLabelTy(Context), Op1, PFS) || 3618df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseToken(lltok::rsquare, "expected ']' in phi value list")) 3619df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 3620a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3621a7d7f2c0239ecc8513461ec69c8b922698ce5fe0Chris Lattner bool AteExtraComma = false; 3622df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner SmallVector<std::pair<Value*, BasicBlock*>, 16> PHIVals; 3623df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner while (1) { 3624df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner PHIVals.push_back(std::make_pair(Op0, cast<BasicBlock>(Op1))); 3625a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 36263ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner if (!EatIfPresent(lltok::comma)) 3627df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner break; 3628df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 3629a7d7f2c0239ecc8513461ec69c8b922698ce5fe0Chris Lattner if (Lex.getKind() == lltok::MetadataVar) { 3630a7d7f2c0239ecc8513461ec69c8b922698ce5fe0Chris Lattner AteExtraComma = true; 3631a43d46f523dff4b784ee28a3b196a065a15d90f2Devang Patel break; 3632a7d7f2c0239ecc8513461ec69c8b922698ce5fe0Chris Lattner } 3633a43d46f523dff4b784ee28a3b196a065a15d90f2Devang Patel 36343ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner if (ParseToken(lltok::lsquare, "expected '[' in phi value list") || 3635df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseValue(Ty, Op0, PFS) || 3636df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseToken(lltok::comma, "expected ',' after insertelement value") || 36371d0be15f89cb5056e20e2d24faa8d6afb1573bcaOwen Anderson ParseValue(Type::getLabelTy(Context), Op1, PFS) || 3638df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseToken(lltok::rsquare, "expected ']' in phi value list")) 3639df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 3640df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 3641a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3642df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!Ty->isFirstClassType()) 3643df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(TypeLoc, "phi node must have first class type"); 3644df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 3645df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner PHINode *PN = PHINode::Create(Ty); 3646df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner PN->reserveOperandSpace(PHIVals.size()); 3647df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner for (unsigned i = 0, e = PHIVals.size(); i != e; ++i) 3648df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner PN->addIncoming(PHIVals[i].first, PHIVals[i].second); 3649df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Inst = PN; 3650a7d7f2c0239ecc8513461ec69c8b922698ce5fe0Chris Lattner return AteExtraComma ? InstExtraComma : InstNormal; 3651df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 3652df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 3653df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ParseCall 3654df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= 'tail'? 'call' OptionalCallingConv OptionalAttrs Type Value 3655df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ParameterList OptionalAttrs 3656df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ParseCall(Instruction *&Inst, PerFunctionState &PFS, 3657df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner bool isTail) { 365865c3c8f323198b99b88b109654194540cf9b3fa5Sandeep Patel unsigned RetAttrs, FnAttrs; 365965c3c8f323198b99b88b109654194540cf9b3fa5Sandeep Patel CallingConv::ID CC; 36601d0be15f89cb5056e20e2d24faa8d6afb1573bcaOwen Anderson PATypeHolder RetType(Type::getVoidTy(Context)); 3661df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner LocTy RetTypeLoc; 3662df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ValID CalleeID; 3663df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner SmallVector<ParamInfo, 16> ArgList; 3664df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner LocTy CallLoc = Lex.getLoc(); 3665a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3666df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if ((isTail && ParseToken(lltok::kw_call, "expected 'tail call'")) || 3667df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseOptionalCallingConv(CC) || 3668df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseOptionalAttrs(RetAttrs, 1) || 3669a9a9e07d1c5d3c73835e716d81c2ec94ad0b865fChris Lattner ParseType(RetType, RetTypeLoc, true /*void allowed*/) || 3670df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseValID(CalleeID) || 3671df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseParameterList(ArgList, PFS) || 3672df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseOptionalAttrs(FnAttrs, 2)) 3673df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 3674a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3675df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // If RetType is a non-function pointer type, then this is the short syntax 3676df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // for the call, which means that RetType is just the return type. Infer the 3677df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // rest of the function argument types from the arguments that are present. 3678df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner const PointerType *PFTy = 0; 3679df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner const FunctionType *Ty = 0; 3680df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!(PFTy = dyn_cast<PointerType>(RetType)) || 3681df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner !(Ty = dyn_cast<FunctionType>(PFTy->getElementType()))) { 3682df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Pull out the types of all of the arguments... 3683df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner std::vector<const Type*> ParamTypes; 368483b4a97060c2c0a2ab08b8755c8f0915c49fd0cbEli Friedman for (unsigned i = 0, e = ArgList.size(); i != e; ++i) 368583b4a97060c2c0a2ab08b8755c8f0915c49fd0cbEli Friedman ParamTypes.push_back(ArgList[i].V->getType()); 3686a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3687df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!FunctionType::isValidReturnType(RetType)) 3688df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(RetTypeLoc, "Invalid result type for LLVM function"); 3689a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3690debcb01b0f0a15f568ca69e8f288fade4bfc7297Owen Anderson Ty = FunctionType::get(RetType, ParamTypes, false); 3691debcb01b0f0a15f568ca69e8f288fade4bfc7297Owen Anderson PFTy = PointerType::getUnqual(Ty); 3692df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 3693a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3694df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Look up the callee. 3695df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Value *Callee; 369692f238dd8fe19b26103bd451c571281d9b7ad324Victor Hernandez if (ConvertValIDToValue(PFTy, CalleeID, Callee, &PFS)) return true; 3697a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3698df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // FIXME: In LLVM 3.0, stop accepting zext, sext and inreg as optional 3699df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // function attributes. 3700df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner unsigned ObsoleteFuncAttrs = Attribute::ZExt|Attribute::SExt|Attribute::InReg; 3701df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (FnAttrs & ObsoleteFuncAttrs) { 3702df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner RetAttrs |= FnAttrs & ObsoleteFuncAttrs; 3703df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner FnAttrs &= ~ObsoleteFuncAttrs; 3704df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 3705df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 3706df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Set up the Attributes for the function. 3707df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner SmallVector<AttributeWithIndex, 8> Attrs; 3708df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (RetAttrs != Attribute::None) 3709df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Attrs.push_back(AttributeWithIndex::get(0, RetAttrs)); 3710a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3711df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner SmallVector<Value*, 8> Args; 3712a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3713df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Loop through FunctionType's arguments and ensure they are specified 3714df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // correctly. Also, gather any parameter attributes. 3715df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner FunctionType::param_iterator I = Ty->param_begin(); 3716df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner FunctionType::param_iterator E = Ty->param_end(); 3717df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner for (unsigned i = 0, e = ArgList.size(); i != e; ++i) { 3718df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner const Type *ExpectedTy = 0; 3719df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (I != E) { 3720df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ExpectedTy = *I++; 3721df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } else if (!Ty->isVarArg()) { 3722df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(ArgList[i].Loc, "too many arguments specified"); 3723df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 3724a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3725df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ExpectedTy && ExpectedTy != ArgList[i].V->getType()) 3726df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(ArgList[i].Loc, "argument is not of expected type '" + 3727df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ExpectedTy->getDescription() + "'"); 3728df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Args.push_back(ArgList[i].V); 3729df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ArgList[i].Attrs != Attribute::None) 3730df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Attrs.push_back(AttributeWithIndex::get(i+1, ArgList[i].Attrs)); 3731df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 3732a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3733df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (I != E) 3734df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(CallLoc, "not enough parameters specified for call"); 3735df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 3736df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (FnAttrs != Attribute::None) 3737df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Attrs.push_back(AttributeWithIndex::get(~0, FnAttrs)); 3738df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 3739df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Finish off the Attributes and check them 3740df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner AttrListPtr PAL = AttrListPtr::get(Attrs.begin(), Attrs.end()); 3741a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3742df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner CallInst *CI = CallInst::Create(Callee, Args.begin(), Args.end()); 3743df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner CI->setTailCall(isTail); 3744df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner CI->setCallingConv(CC); 3745df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner CI->setAttributes(PAL); 3746df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Inst = CI; 3747df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 3748df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 3749df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 3750df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner//===----------------------------------------------------------------------===// 3751df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner// Memory Instructions. 3752df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner//===----------------------------------------------------------------------===// 3753df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 3754df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ParseAlloc 3755f633a065de959b32892c51d741d4db010c5d25b1Devang Patel/// ::= 'malloc' Type (',' TypeAndValue)? (',' OptionalInfo)? 3756f633a065de959b32892c51d741d4db010c5d25b1Devang Patel/// ::= 'alloca' Type (',' TypeAndValue)? (',' OptionalInfo)? 3757c3a6c5c83b5fa7b813de1741ac9e9be702b03846Chris Lattnerint LLParser::ParseAlloc(Instruction *&Inst, PerFunctionState &PFS, 3758c3a6c5c83b5fa7b813de1741ac9e9be702b03846Chris Lattner BasicBlock* BB, bool isAlloca) { 37591d0be15f89cb5056e20e2d24faa8d6afb1573bcaOwen Anderson PATypeHolder Ty(Type::getVoidTy(Context)); 3760df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Value *Size = 0; 3761eeb4a84ac8d91fb1d5a7c484a1c7047409faee30Chris Lattner LocTy SizeLoc; 3762df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner unsigned Alignment = 0; 37633ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner if (ParseType(Ty)) return true; 3764df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 3765c3a6c5c83b5fa7b813de1741ac9e9be702b03846Chris Lattner bool AteExtraComma = false; 37663ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner if (EatIfPresent(lltok::comma)) { 3767c3a6c5c83b5fa7b813de1741ac9e9be702b03846Chris Lattner if (Lex.getKind() == lltok::kw_align) { 3768c3a6c5c83b5fa7b813de1741ac9e9be702b03846Chris Lattner if (ParseOptionalAlignment(Alignment)) return true; 3769c3a6c5c83b5fa7b813de1741ac9e9be702b03846Chris Lattner } else if (Lex.getKind() == lltok::MetadataVar) { 3770c3a6c5c83b5fa7b813de1741ac9e9be702b03846Chris Lattner AteExtraComma = true; 3771f633a065de959b32892c51d741d4db010c5d25b1Devang Patel } else { 3772c3a6c5c83b5fa7b813de1741ac9e9be702b03846Chris Lattner if (ParseTypeAndValue(Size, SizeLoc, PFS) || 3773c3a6c5c83b5fa7b813de1741ac9e9be702b03846Chris Lattner ParseOptionalCommaAlign(Alignment, AteExtraComma)) 3774c3a6c5c83b5fa7b813de1741ac9e9be702b03846Chris Lattner return true; 3775df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 3776df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 3777df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 3778f75a7d3fbf7fbb3071f45e248d3fb93312ec4fbdDan Gohman if (Size && !Size->getType()->isIntegerTy()) 3779f75a7d3fbf7fbb3071f45e248d3fb93312ec4fbdDan Gohman return Error(SizeLoc, "element count must have integer type"); 3780df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 378168afa54033eccda0f55e920cb548588e71a45418Victor Hernandez if (isAlloca) { 378250dead06ffc107edb7e84857baaeeb09039c631cOwen Anderson Inst = new AllocaInst(Ty, Size, Alignment); 3783c3a6c5c83b5fa7b813de1741ac9e9be702b03846Chris Lattner return AteExtraComma ? InstExtraComma : InstNormal; 378413ad5aaaff8a446758b402fd5e9aea22f5bc5682Victor Hernandez } 378568afa54033eccda0f55e920cb548588e71a45418Victor Hernandez 378668afa54033eccda0f55e920cb548588e71a45418Victor Hernandez // Autoupgrade old malloc instruction to malloc call. 378768afa54033eccda0f55e920cb548588e71a45418Victor Hernandez // FIXME: Remove in LLVM 3.0. 3788f75a7d3fbf7fbb3071f45e248d3fb93312ec4fbdDan Gohman if (Size && !Size->getType()->isIntegerTy(32)) 3789f75a7d3fbf7fbb3071f45e248d3fb93312ec4fbdDan Gohman return Error(SizeLoc, "element count must be i32"); 379068afa54033eccda0f55e920cb548588e71a45418Victor Hernandez const Type *IntPtrTy = Type::getInt32Ty(Context); 37919d0b704e3ea418441001dac4d1a56c2c224cdbf5Victor Hernandez Constant *AllocSize = ConstantExpr::getSizeOf(Ty); 37929d0b704e3ea418441001dac4d1a56c2c224cdbf5Victor Hernandez AllocSize = ConstantExpr::getTruncOrBitCast(AllocSize, IntPtrTy); 379368afa54033eccda0f55e920cb548588e71a45418Victor Hernandez if (!MallocF) 379468afa54033eccda0f55e920cb548588e71a45418Victor Hernandez // Prototype malloc as "void *(int32)". 379568afa54033eccda0f55e920cb548588e71a45418Victor Hernandez // This function is renamed as "malloc" in ValidateEndOfModule(). 3796336ea06493dfa03352d04d94cc8bc2c3c29f8165Victor Hernandez MallocF = cast<Function>( 3797336ea06493dfa03352d04d94cc8bc2c3c29f8165Victor Hernandez M->getOrInsertFunction("", Type::getInt8PtrTy(Context), IntPtrTy, NULL)); 37989d0b704e3ea418441001dac4d1a56c2c224cdbf5Victor Hernandez Inst = CallInst::CreateMalloc(BB, IntPtrTy, Ty, AllocSize, Size, MallocF); 3799c3a6c5c83b5fa7b813de1741ac9e9be702b03846Chris Lattnerreturn AteExtraComma ? InstExtraComma : InstNormal; 3800df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 3801df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 3802df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ParseFree 3803df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= 'free' TypeAndValue 380466284e063a1e46500acae48bdc0e4a00652021d1Victor Hernandezbool LLParser::ParseFree(Instruction *&Inst, PerFunctionState &PFS, 380566284e063a1e46500acae48bdc0e4a00652021d1Victor Hernandez BasicBlock* BB) { 3806df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Value *Val; LocTy Loc; 3807df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseTypeAndValue(Val, Loc, PFS)) return true; 38081df9859c40492511b8aa4321eb76496005d3b75bDuncan Sands if (!Val->getType()->isPointerTy()) 3809df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(Loc, "operand to free must be a pointer"); 381066284e063a1e46500acae48bdc0e4a00652021d1Victor Hernandez Inst = CallInst::CreateFree(Val, BB); 3811df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 3812df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 3813df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 3814df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ParseLoad 3815f633a065de959b32892c51d741d4db010c5d25b1Devang Patel/// ::= 'volatile'? 'load' TypeAndValue (',' OptionalInfo)? 3816c3a6c5c83b5fa7b813de1741ac9e9be702b03846Chris Lattnerint LLParser::ParseLoad(Instruction *&Inst, PerFunctionState &PFS, 3817c3a6c5c83b5fa7b813de1741ac9e9be702b03846Chris Lattner bool isVolatile) { 3818df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Value *Val; LocTy Loc; 3819f633a065de959b32892c51d741d4db010c5d25b1Devang Patel unsigned Alignment = 0; 3820c3a6c5c83b5fa7b813de1741ac9e9be702b03846Chris Lattner bool AteExtraComma = false; 3821c3a6c5c83b5fa7b813de1741ac9e9be702b03846Chris Lattner if (ParseTypeAndValue(Val, Loc, PFS) || 3822c3a6c5c83b5fa7b813de1741ac9e9be702b03846Chris Lattner ParseOptionalCommaAlign(Alignment, AteExtraComma)) 3823c3a6c5c83b5fa7b813de1741ac9e9be702b03846Chris Lattner return true; 3824df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 38251df9859c40492511b8aa4321eb76496005d3b75bDuncan Sands if (!Val->getType()->isPointerTy() || 3826df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner !cast<PointerType>(Val->getType())->getElementType()->isFirstClassType()) 3827df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(Loc, "load operand must be a pointer to a first class type"); 3828a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3829df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Inst = new LoadInst(Val, "", isVolatile, Alignment); 3830c3a6c5c83b5fa7b813de1741ac9e9be702b03846Chris Lattner return AteExtraComma ? InstExtraComma : InstNormal; 3831df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 3832df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 3833df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ParseStore 3834a119de86a064414622562cfe32953de7f9b0ee40Dan Gohman/// ::= 'volatile'? 'store' TypeAndValue ',' TypeAndValue (',' 'align' i32)? 3835c3a6c5c83b5fa7b813de1741ac9e9be702b03846Chris Lattnerint LLParser::ParseStore(Instruction *&Inst, PerFunctionState &PFS, 3836c3a6c5c83b5fa7b813de1741ac9e9be702b03846Chris Lattner bool isVolatile) { 3837df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Value *Val, *Ptr; LocTy Loc, PtrLoc; 3838f633a065de959b32892c51d741d4db010c5d25b1Devang Patel unsigned Alignment = 0; 3839c3a6c5c83b5fa7b813de1741ac9e9be702b03846Chris Lattner bool AteExtraComma = false; 3840df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseTypeAndValue(Val, Loc, PFS) || 3841df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseToken(lltok::comma, "expected ',' after store operand") || 3842c3a6c5c83b5fa7b813de1741ac9e9be702b03846Chris Lattner ParseTypeAndValue(Ptr, PtrLoc, PFS) || 3843c3a6c5c83b5fa7b813de1741ac9e9be702b03846Chris Lattner ParseOptionalCommaAlign(Alignment, AteExtraComma)) 3844df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 3845f633a065de959b32892c51d741d4db010c5d25b1Devang Patel 38461df9859c40492511b8aa4321eb76496005d3b75bDuncan Sands if (!Ptr->getType()->isPointerTy()) 3847df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(PtrLoc, "store operand must be a pointer"); 3848df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!Val->getType()->isFirstClassType()) 3849df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(Loc, "store operand must be a first class value"); 3850df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (cast<PointerType>(Ptr->getType())->getElementType() != Val->getType()) 3851df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(Loc, "stored value and pointer type do not match"); 3852a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3853df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Inst = new StoreInst(Val, Ptr, isVolatile, Alignment); 3854c3a6c5c83b5fa7b813de1741ac9e9be702b03846Chris Lattner return AteExtraComma ? InstExtraComma : InstNormal; 3855df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 3856df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 3857df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ParseGetResult 3858a119de86a064414622562cfe32953de7f9b0ee40Dan Gohman/// ::= 'getresult' TypeAndValue ',' i32 3859df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// FIXME: Remove support for getresult in LLVM 3.0 3860df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ParseGetResult(Instruction *&Inst, PerFunctionState &PFS) { 3861df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Value *Val; LocTy ValLoc, EltLoc; 3862df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner unsigned Element; 3863df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseTypeAndValue(Val, ValLoc, PFS) || 3864df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseToken(lltok::comma, "expected ',' after getresult operand") || 38653ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner ParseUInt32(Element, EltLoc)) 3866df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 3867a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 38681df9859c40492511b8aa4321eb76496005d3b75bDuncan Sands if (!Val->getType()->isStructTy() && !Val->getType()->isArrayTy()) 3869df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(ValLoc, "getresult inst requires an aggregate operand"); 3870df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!ExtractValueInst::getIndexedType(Val->getType(), Element)) 3871df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(EltLoc, "invalid getresult index for value"); 3872df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Inst = ExtractValueInst::Create(Val, Element); 3873df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 3874df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 3875df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 3876df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ParseGetElementPtr 3877dd8004dc73d091ccb3927dbbc3b41639a3738ae3Dan Gohman/// ::= 'getelementptr' 'inbounds'? TypeAndValue (',' TypeAndValue)* 3878a7d7f2c0239ecc8513461ec69c8b922698ce5fe0Chris Lattnerint LLParser::ParseGetElementPtr(Instruction *&Inst, PerFunctionState &PFS) { 3879df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Value *Ptr, *Val; LocTy Loc, EltLoc; 3880dd8004dc73d091ccb3927dbbc3b41639a3738ae3Dan Gohman 3881dcb40a3c1c747c88c4e634e34d1b4d7533a86adaDan Gohman bool InBounds = EatIfPresent(lltok::kw_inbounds); 3882dd8004dc73d091ccb3927dbbc3b41639a3738ae3Dan Gohman 38833ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner if (ParseTypeAndValue(Ptr, Loc, PFS)) return true; 3884a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 38851df9859c40492511b8aa4321eb76496005d3b75bDuncan Sands if (!Ptr->getType()->isPointerTy()) 3886df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(Loc, "base of getelementptr must be a pointer"); 3887a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3888df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner SmallVector<Value*, 16> Indices; 3889a7d7f2c0239ecc8513461ec69c8b922698ce5fe0Chris Lattner bool AteExtraComma = false; 38903ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner while (EatIfPresent(lltok::comma)) { 3891a7d7f2c0239ecc8513461ec69c8b922698ce5fe0Chris Lattner if (Lex.getKind() == lltok::MetadataVar) { 3892a7d7f2c0239ecc8513461ec69c8b922698ce5fe0Chris Lattner AteExtraComma = true; 38936225d64ba244cdf4af3c44e113fc8c589fa39508Devang Patel break; 3894a7d7f2c0239ecc8513461ec69c8b922698ce5fe0Chris Lattner } 38953ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner if (ParseTypeAndValue(Val, EltLoc, PFS)) return true; 38961df9859c40492511b8aa4321eb76496005d3b75bDuncan Sands if (!Val->getType()->isIntegerTy()) 3897df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(EltLoc, "getelementptr index must be an integer"); 3898df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Indices.push_back(Val); 3899df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 3900a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3901df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!GetElementPtrInst::getIndexedType(Ptr->getType(), 3902df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Indices.begin(), Indices.end())) 3903df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(Loc, "invalid getelementptr indices"); 3904df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Inst = GetElementPtrInst::Create(Ptr, Indices.begin(), Indices.end()); 3905dd8004dc73d091ccb3927dbbc3b41639a3738ae3Dan Gohman if (InBounds) 3906f8dbee7cea072eb63ae343759975109553697bcbDan Gohman cast<GetElementPtrInst>(Inst)->setIsInBounds(true); 3907a7d7f2c0239ecc8513461ec69c8b922698ce5fe0Chris Lattner return AteExtraComma ? InstExtraComma : InstNormal; 3908df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 3909df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 3910df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ParseExtractValue 3911df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= 'extractvalue' TypeAndValue (',' uint32)+ 3912a7d7f2c0239ecc8513461ec69c8b922698ce5fe0Chris Lattnerint LLParser::ParseExtractValue(Instruction *&Inst, PerFunctionState &PFS) { 3913df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Value *Val; LocTy Loc; 3914df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner SmallVector<unsigned, 4> Indices; 3915a7d7f2c0239ecc8513461ec69c8b922698ce5fe0Chris Lattner bool AteExtraComma; 3916df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseTypeAndValue(Val, Loc, PFS) || 3917a7d7f2c0239ecc8513461ec69c8b922698ce5fe0Chris Lattner ParseIndexList(Indices, AteExtraComma)) 3918df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 3919df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 3920fdfeb6976f07ad10d809b922ed7376ba2a3539beChris Lattner if (!Val->getType()->isAggregateType()) 3921fdfeb6976f07ad10d809b922ed7376ba2a3539beChris Lattner return Error(Loc, "extractvalue operand must be aggregate type"); 3922df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 3923df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!ExtractValueInst::getIndexedType(Val->getType(), Indices.begin(), 3924df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Indices.end())) 3925df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(Loc, "invalid indices for extractvalue"); 3926df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Inst = ExtractValueInst::Create(Val, Indices.begin(), Indices.end()); 3927a7d7f2c0239ecc8513461ec69c8b922698ce5fe0Chris Lattner return AteExtraComma ? InstExtraComma : InstNormal; 3928df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 3929df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 3930df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ParseInsertValue 3931df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= 'insertvalue' TypeAndValue ',' TypeAndValue (',' uint32)+ 3932a7d7f2c0239ecc8513461ec69c8b922698ce5fe0Chris Lattnerint LLParser::ParseInsertValue(Instruction *&Inst, PerFunctionState &PFS) { 3933df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Value *Val0, *Val1; LocTy Loc0, Loc1; 3934df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner SmallVector<unsigned, 4> Indices; 3935a7d7f2c0239ecc8513461ec69c8b922698ce5fe0Chris Lattner bool AteExtraComma; 3936df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseTypeAndValue(Val0, Loc0, PFS) || 3937df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseToken(lltok::comma, "expected comma after insertvalue operand") || 3938df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseTypeAndValue(Val1, Loc1, PFS) || 3939a7d7f2c0239ecc8513461ec69c8b922698ce5fe0Chris Lattner ParseIndexList(Indices, AteExtraComma)) 3940df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 3941628c13ad76fb4b7ce2f105c0e92644d1c39ee2f8Chris Lattner 3942fdfeb6976f07ad10d809b922ed7376ba2a3539beChris Lattner if (!Val0->getType()->isAggregateType()) 3943fdfeb6976f07ad10d809b922ed7376ba2a3539beChris Lattner return Error(Loc0, "insertvalue operand must be aggregate type"); 3944a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3945df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!ExtractValueInst::getIndexedType(Val0->getType(), Indices.begin(), 3946df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Indices.end())) 3947df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(Loc0, "invalid indices for insertvalue"); 3948df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Inst = InsertValueInst::Create(Val0, Val1, Indices.begin(), Indices.end()); 3949a7d7f2c0239ecc8513461ec69c8b922698ce5fe0Chris Lattner return AteExtraComma ? InstExtraComma : InstNormal; 3950df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 395121cc4460efa104e8591b05a90f20130291614344Nick Lewycky 395221cc4460efa104e8591b05a90f20130291614344Nick Lewycky//===----------------------------------------------------------------------===// 395321cc4460efa104e8591b05a90f20130291614344Nick Lewycky// Embedded metadata. 395421cc4460efa104e8591b05a90f20130291614344Nick Lewycky//===----------------------------------------------------------------------===// 395521cc4460efa104e8591b05a90f20130291614344Nick Lewycky 395621cc4460efa104e8591b05a90f20130291614344Nick Lewycky/// ParseMDNodeVector 3957cb33799b9f4e152e3460faa83e59b53ff604c87dNick Lewycky/// ::= Element (',' Element)* 3958cb33799b9f4e152e3460faa83e59b53ff604c87dNick Lewycky/// Element 3959cb33799b9f4e152e3460faa83e59b53ff604c87dNick Lewycky/// ::= 'null' | TypeAndValue 3960bf170d4c2ffd9dc99fad1fabfbf1f90f980a9782Victor Hernandezbool LLParser::ParseMDNodeVector(SmallVectorImpl<Value*> &Elts, 396124e64df7ec25b55aa872c2ef33728dfbb8c353c4Victor Hernandez PerFunctionState *PFS) { 3962ac80975ea4103fcceab38cde69d98d3fb3b01db4Dan Gohman // Check for an empty list. 3963ac80975ea4103fcceab38cde69d98d3fb3b01db4Dan Gohman if (Lex.getKind() == lltok::rbrace) 3964ac80975ea4103fcceab38cde69d98d3fb3b01db4Dan Gohman return false; 3965ac80975ea4103fcceab38cde69d98d3fb3b01db4Dan Gohman 396621cc4460efa104e8591b05a90f20130291614344Nick Lewycky do { 3967a73523958d39ca10a322fd8b177104ebc2045130Chris Lattner // Null is a special case since it is typeless. 3968a73523958d39ca10a322fd8b177104ebc2045130Chris Lattner if (EatIfPresent(lltok::kw_null)) { 3969a73523958d39ca10a322fd8b177104ebc2045130Chris Lattner Elts.push_back(0); 3970a73523958d39ca10a322fd8b177104ebc2045130Chris Lattner continue; 3971cb33799b9f4e152e3460faa83e59b53ff604c87dNick Lewycky } 3972a73523958d39ca10a322fd8b177104ebc2045130Chris Lattner 3973a73523958d39ca10a322fd8b177104ebc2045130Chris Lattner Value *V = 0; 3974a73523958d39ca10a322fd8b177104ebc2045130Chris Lattner PATypeHolder Ty(Type::getVoidTy(Context)); 3975a73523958d39ca10a322fd8b177104ebc2045130Chris Lattner ValID ID; 3976bf170d4c2ffd9dc99fad1fabfbf1f90f980a9782Victor Hernandez if (ParseType(Ty) || ParseValID(ID, PFS) || 397792f238dd8fe19b26103bd451c571281d9b7ad324Victor Hernandez ConvertValIDToValue(Ty, ID, V, PFS)) 3978a73523958d39ca10a322fd8b177104ebc2045130Chris Lattner return true; 3979a73523958d39ca10a322fd8b177104ebc2045130Chris Lattner 3980cb33799b9f4e152e3460faa83e59b53ff604c87dNick Lewycky Elts.push_back(V); 398121cc4460efa104e8591b05a90f20130291614344Nick Lewycky } while (EatIfPresent(lltok::comma)); 398221cc4460efa104e8591b05a90f20130291614344Nick Lewycky 398321cc4460efa104e8591b05a90f20130291614344Nick Lewycky return false; 398421cc4460efa104e8591b05a90f20130291614344Nick Lewycky} 3985