LLParser.cpp revision a43d46f523dff4b784ee28a3b196a065a15d90f2
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" 21fba933c823a2862067e0696bd5032ab18185bd77Owen Anderson#include "llvm/LLVMContext.h" 220a9f7b9c3ebe7d0ec033462e1a7c9101279956f9Devang Patel#include "llvm/Metadata.h" 23df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner#include "llvm/Module.h" 241224c386981f7948f298ed9ad444c40609570f2eDan Gohman#include "llvm/Operator.h" 25df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner#include "llvm/ValueSymbolTable.h" 26df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner#include "llvm/ADT/SmallPtrSet.h" 27df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner#include "llvm/ADT/StringExtras.h" 28c25e7581b9b8088910da31702d4ca21c4734c6d7Torok Edwin#include "llvm/Support/ErrorHandling.h" 29df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner#include "llvm/Support/raw_ostream.h" 30df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerusing namespace llvm; 31df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 32df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnernamespace llvm { 333ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner /// ValID - Represents a reference of a definition of some sort with no type. 343ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner /// There are several cases where we have to parse the value but where the 353ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner /// type can depend on later context. This may either be a numeric reference 363ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner /// or a symbolic (%var) reference. This is just a discriminated union. 37df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner struct ValID { 38df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner enum { 39df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner t_LocalID, t_GlobalID, // ID in UIntVal. 40df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner t_LocalName, t_GlobalName, // Name in StrVal. 41df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner t_APSInt, t_APFloat, // Value in APSIntVal/APFloatVal. 42df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner t_Null, t_Undef, t_Zero, // No value. 43081b505f77b183b7b029818218245cf4986e8948Chris Lattner t_EmptyArray, // No value: [] 44df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner t_Constant, // Value in ConstantVal. 45e54abc90fe9942ef3902040a7ac475ce0c369dc9Devang Patel t_InlineAsm, // Value in StrVal/StrVal2/UIntVal. 46e54abc90fe9942ef3902040a7ac475ce0c369dc9Devang Patel t_Metadata // Value in MetadataVal. 47df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } Kind; 48a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 49df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner LLParser::LocTy Loc; 50df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner unsigned UIntVal; 51df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner std::string StrVal, StrVal2; 52df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner APSInt APSIntVal; 53df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner APFloat APFloatVal; 54df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Constant *ConstantVal; 55e54abc90fe9942ef3902040a7ac475ce0c369dc9Devang Patel MetadataBase *MetadataVal; 56df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ValID() : APFloatVal(0.0) {} 57df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner }; 58df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 59df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 603ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner/// Run: module ::= toplevelentity* 61ad7d1e2085a489dbedc65b99bab811771ead1aabChris Lattnerbool LLParser::Run() { 623ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner // Prime the lexer. 633ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner Lex.Lex(); 643ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner 65ad7d1e2085a489dbedc65b99bab811771ead1aabChris Lattner return ParseTopLevelEntities() || 66ad7d1e2085a489dbedc65b99bab811771ead1aabChris Lattner ValidateEndOfModule(); 67df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 68df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 69df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ValidateEndOfModule - Do final validity and sanity checks at the end of the 70df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// module. 71df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ValidateEndOfModule() { 72df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!ForwardRefTypes.empty()) 73df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(ForwardRefTypes.begin()->second.second, 74df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner "use of undefined type named '" + 75df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ForwardRefTypes.begin()->first + "'"); 76df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!ForwardRefTypeIDs.empty()) 77df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(ForwardRefTypeIDs.begin()->second.second, 78df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner "use of undefined type '%" + 79df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner utostr(ForwardRefTypeIDs.begin()->first) + "'"); 80a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 81df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!ForwardRefVals.empty()) 82df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(ForwardRefVals.begin()->second.second, 83df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner "use of undefined value '@" + ForwardRefVals.begin()->first + 84df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner "'"); 85a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 86df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!ForwardRefValIDs.empty()) 87df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(ForwardRefValIDs.begin()->second.second, 88df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner "use of undefined value '@" + 89df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner utostr(ForwardRefValIDs.begin()->first) + "'"); 90a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 911c7eea60d3cbada2bae54c42fa178078a3ace9b3Devang Patel if (!ForwardRefMDNodes.empty()) 921c7eea60d3cbada2bae54c42fa178078a3ace9b3Devang Patel return Error(ForwardRefMDNodes.begin()->second.second, 931c7eea60d3cbada2bae54c42fa178078a3ace9b3Devang Patel "use of undefined metadata '!" + 941c7eea60d3cbada2bae54c42fa178078a3ace9b3Devang Patel utostr(ForwardRefMDNodes.begin()->first) + "'"); 95a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 961c7eea60d3cbada2bae54c42fa178078a3ace9b3Devang Patel 97df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Look for intrinsic functions and CallInst that need to be upgraded 98df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner for (Module::iterator FI = M->begin(), FE = M->end(); FI != FE; ) 99df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner UpgradeCallsToIntrinsic(FI++); // must be post-increment, as we remove 100a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 101e4b275610a7a05b7ee4c0378a906a6330e4c4ab0Devang Patel // Check debug info intrinsics. 102e4b275610a7a05b7ee4c0378a906a6330e4c4ab0Devang Patel CheckDebugInfoIntrinsics(M); 103df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 104df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 105df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 106df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner//===----------------------------------------------------------------------===// 107df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner// Top-Level Entities 108df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner//===----------------------------------------------------------------------===// 109df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 110df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ParseTopLevelEntities() { 111df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner while (1) { 112df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner switch (Lex.getKind()) { 113df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner default: return TokError("expected top-level entity"); 114df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::Eof: return false; 115df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner //case lltok::kw_define: 116df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_declare: if (ParseDeclare()) return true; break; 117df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_define: if (ParseDefine()) return true; break; 118df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_module: if (ParseModuleAsm()) return true; break; 119df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_target: if (ParseTargetDefinition()) return true; break; 120df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_deplibs: if (ParseDepLibs()) return true; break; 121df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_type: if (ParseUnnamedType()) return true; break; 1223845e50edea58edd0f5e0f2b732e0106b53ba279Dan Gohman case lltok::LocalVarID: if (ParseUnnamedType()) return true; break; 123df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::StringConstant: // FIXME: REMOVE IN LLVM 3.0 124df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::LocalVar: if (ParseNamedType()) return true; break; 1253845e50edea58edd0f5e0f2b732e0106b53ba279Dan Gohman case lltok::GlobalID: if (ParseUnnamedGlobal()) return true; break; 126df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::GlobalVar: if (ParseNamedGlobal()) return true; break; 127923078c65d5a37a4f135705300c9feea49487de5Devang Patel case lltok::Metadata: if (ParseStandaloneMetadata()) return true; break; 1280475c9170e9621292a48c688c3976031be5650bbDevang Patel case lltok::NamedOrCustomMD: if (ParseNamedMetadata()) return true; break; 129df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 130df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // The Global variable production with no name can have many different 131df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // optional leading prefixes, the production is: 132df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // GlobalVar ::= OptionalLinkage OptionalVisibility OptionalThreadLocal 133df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // OptionalAddrSpace ('constant'|'global') ... 1343d10a5a75794356a0a568ce283713adc3a963200Bill Wendling case lltok::kw_private : // OptionalLinkage 1353d10a5a75794356a0a568ce283713adc3a963200Bill Wendling case lltok::kw_linker_private: // OptionalLinkage 1363d10a5a75794356a0a568ce283713adc3a963200Bill Wendling case lltok::kw_internal: // OptionalLinkage 1373d10a5a75794356a0a568ce283713adc3a963200Bill Wendling case lltok::kw_weak: // OptionalLinkage 1383d10a5a75794356a0a568ce283713adc3a963200Bill Wendling case lltok::kw_weak_odr: // OptionalLinkage 1393d10a5a75794356a0a568ce283713adc3a963200Bill Wendling case lltok::kw_linkonce: // OptionalLinkage 1403d10a5a75794356a0a568ce283713adc3a963200Bill Wendling case lltok::kw_linkonce_odr: // OptionalLinkage 1413d10a5a75794356a0a568ce283713adc3a963200Bill Wendling case lltok::kw_appending: // OptionalLinkage 1423d10a5a75794356a0a568ce283713adc3a963200Bill Wendling case lltok::kw_dllexport: // OptionalLinkage 1433d10a5a75794356a0a568ce283713adc3a963200Bill Wendling case lltok::kw_common: // OptionalLinkage 1443d10a5a75794356a0a568ce283713adc3a963200Bill Wendling case lltok::kw_dllimport: // OptionalLinkage 1453d10a5a75794356a0a568ce283713adc3a963200Bill Wendling case lltok::kw_extern_weak: // OptionalLinkage 1463d10a5a75794356a0a568ce283713adc3a963200Bill Wendling case lltok::kw_external: { // OptionalLinkage 147df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner unsigned Linkage, Visibility; 148df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseOptionalLinkage(Linkage) || 149df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseOptionalVisibility(Visibility) || 150eeb4a84ac8d91fb1d5a7c484a1c7047409faee30Chris Lattner ParseGlobal("", SMLoc(), Linkage, true, Visibility)) 151df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 152df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner break; 153df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 154df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_default: // OptionalVisibility 155df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_hidden: // OptionalVisibility 156df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_protected: { // OptionalVisibility 157df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner unsigned Visibility; 158df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseOptionalVisibility(Visibility) || 159eeb4a84ac8d91fb1d5a7c484a1c7047409faee30Chris Lattner ParseGlobal("", SMLoc(), 0, false, Visibility)) 160df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 161df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner break; 162df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 163a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 164df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_thread_local: // OptionalThreadLocal 165df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_addrspace: // OptionalAddrSpace 166df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_constant: // GlobalType 167df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_global: // GlobalType 168eeb4a84ac8d91fb1d5a7c484a1c7047409faee30Chris Lattner if (ParseGlobal("", SMLoc(), 0, false, 0)) return true; 169df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner break; 170df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 171df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 172df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 173df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 174df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 175df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// toplevelentity 176df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= 'module' 'asm' STRINGCONSTANT 177df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ParseModuleAsm() { 178df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner assert(Lex.getKind() == lltok::kw_module); 179df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.Lex(); 180a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 181a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar std::string AsmStr; 1823ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner if (ParseToken(lltok::kw_asm, "expected 'module asm'") || 1833ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner ParseStringConstant(AsmStr)) return true; 184a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 185df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner const std::string &AsmSoFar = M->getModuleInlineAsm(); 186df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (AsmSoFar.empty()) 1873ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner M->setModuleInlineAsm(AsmStr); 188df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner else 1893ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner M->setModuleInlineAsm(AsmSoFar+"\n"+AsmStr); 190df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 191df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 192df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 193df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// toplevelentity 194df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= 'target' 'triple' '=' STRINGCONSTANT 195df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= 'target' 'datalayout' '=' STRINGCONSTANT 196df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ParseTargetDefinition() { 197df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner assert(Lex.getKind() == lltok::kw_target); 1983ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner std::string Str; 199df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner switch (Lex.Lex()) { 200df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner default: return TokError("unknown target property"); 201df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_triple: 202df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.Lex(); 2033ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner if (ParseToken(lltok::equal, "expected '=' after target triple") || 2043ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner ParseStringConstant(Str)) 205df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 2063ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner M->setTargetTriple(Str); 207df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 208df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_datalayout: 209df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.Lex(); 2103ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner if (ParseToken(lltok::equal, "expected '=' after target datalayout") || 2113ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner ParseStringConstant(Str)) 212df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 2133ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner M->setDataLayout(Str); 214df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 215df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 216df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 217df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 218df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// toplevelentity 219df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= 'deplibs' '=' '[' ']' 220df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= 'deplibs' '=' '[' STRINGCONSTANT (',' STRINGCONSTANT)* ']' 221df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ParseDepLibs() { 222df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner assert(Lex.getKind() == lltok::kw_deplibs); 2233ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner Lex.Lex(); 2243ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner if (ParseToken(lltok::equal, "expected '=' after deplibs") || 2253ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner ParseToken(lltok::lsquare, "expected '=' after deplibs")) 2263ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner return true; 227df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 2283ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner if (EatIfPresent(lltok::rsquare)) 229df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 230a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 2313ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner std::string Str; 2323ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner if (ParseStringConstant(Str)) return true; 2333ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner M->addLibrary(Str); 234df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 2353ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner while (EatIfPresent(lltok::comma)) { 2363ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner if (ParseStringConstant(Str)) return true; 2373ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner M->addLibrary(Str); 238df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 239df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 2403ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner return ParseToken(lltok::rsquare, "expected ']' at end of list"); 241df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 242df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 2433845e50edea58edd0f5e0f2b732e0106b53ba279Dan Gohman/// ParseUnnamedType: 244df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= 'type' type 2453845e50edea58edd0f5e0f2b732e0106b53ba279Dan Gohman/// ::= LocalVarID '=' 'type' type 246df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ParseUnnamedType() { 2473845e50edea58edd0f5e0f2b732e0106b53ba279Dan Gohman unsigned TypeID = NumberedTypes.size(); 2483845e50edea58edd0f5e0f2b732e0106b53ba279Dan Gohman 2493845e50edea58edd0f5e0f2b732e0106b53ba279Dan Gohman // Handle the LocalVarID form. 2503845e50edea58edd0f5e0f2b732e0106b53ba279Dan Gohman if (Lex.getKind() == lltok::LocalVarID) { 2513845e50edea58edd0f5e0f2b732e0106b53ba279Dan Gohman if (Lex.getUIntVal() != TypeID) 2523845e50edea58edd0f5e0f2b732e0106b53ba279Dan Gohman return Error(Lex.getLoc(), "type expected to be numbered '%" + 2533845e50edea58edd0f5e0f2b732e0106b53ba279Dan Gohman utostr(TypeID) + "'"); 2543845e50edea58edd0f5e0f2b732e0106b53ba279Dan Gohman Lex.Lex(); // eat LocalVarID; 2553845e50edea58edd0f5e0f2b732e0106b53ba279Dan Gohman 2563845e50edea58edd0f5e0f2b732e0106b53ba279Dan Gohman if (ParseToken(lltok::equal, "expected '=' after name")) 2573845e50edea58edd0f5e0f2b732e0106b53ba279Dan Gohman return true; 2583845e50edea58edd0f5e0f2b732e0106b53ba279Dan Gohman } 2593845e50edea58edd0f5e0f2b732e0106b53ba279Dan Gohman 260df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner assert(Lex.getKind() == lltok::kw_type); 261df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner LocTy TypeLoc = Lex.getLoc(); 262df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.Lex(); // eat kw_type 263df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 2641d0be15f89cb5056e20e2d24faa8d6afb1573bcaOwen Anderson PATypeHolder Ty(Type::getVoidTy(Context)); 265df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseType(Ty)) return true; 266a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 267df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // See if this type was previously referenced. 268df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner std::map<unsigned, std::pair<PATypeHolder, LocTy> >::iterator 269df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner FI = ForwardRefTypeIDs.find(TypeID); 270df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (FI != ForwardRefTypeIDs.end()) { 271c38daba25b66f9a0386fc28861db66e62663310dChris Lattner if (FI->second.first.get() == Ty) 272c38daba25b66f9a0386fc28861db66e62663310dChris Lattner return Error(TypeLoc, "self referential type is invalid"); 273a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 274df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner cast<DerivedType>(FI->second.first.get())->refineAbstractTypeTo(Ty); 275df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Ty = FI->second.first.get(); 276df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ForwardRefTypeIDs.erase(FI); 277df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 278a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 279df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner NumberedTypes.push_back(Ty); 280a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 281df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 282df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 283df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 284df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// toplevelentity 285df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= LocalVar '=' 'type' type 286df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ParseNamedType() { 287df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner std::string Name = Lex.getStrVal(); 288df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner LocTy NameLoc = Lex.getLoc(); 2893ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner Lex.Lex(); // eat LocalVar. 290a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 2911d0be15f89cb5056e20e2d24faa8d6afb1573bcaOwen Anderson PATypeHolder Ty(Type::getVoidTy(Context)); 292a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 2933ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner if (ParseToken(lltok::equal, "expected '=' after name") || 2943ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner ParseToken(lltok::kw_type, "expected 'type' after name") || 2953ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner ParseType(Ty)) 2963ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner return true; 297a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 298df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Set the type name, checking for conflicts as we do so. 299df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner bool AlreadyExists = M->addTypeName(Name, Ty); 300df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!AlreadyExists) return false; 301df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 302df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // See if this type is a forward reference. We need to eagerly resolve 303df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // types to allow recursive type redefinitions below. 304df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner std::map<std::string, std::pair<PATypeHolder, LocTy> >::iterator 305df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner FI = ForwardRefTypes.find(Name); 306df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (FI != ForwardRefTypes.end()) { 307c38daba25b66f9a0386fc28861db66e62663310dChris Lattner if (FI->second.first.get() == Ty) 308c38daba25b66f9a0386fc28861db66e62663310dChris Lattner return Error(NameLoc, "self referential type is invalid"); 309c38daba25b66f9a0386fc28861db66e62663310dChris Lattner 310df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner cast<DerivedType>(FI->second.first.get())->refineAbstractTypeTo(Ty); 311df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Ty = FI->second.first.get(); 312df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ForwardRefTypes.erase(FI); 313df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 314a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 315df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Inserting a name that is already defined, get the existing name. 316df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner const Type *Existing = M->getTypeByName(Name); 317df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner assert(Existing && "Conflict but no matching type?!"); 318a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 319df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Otherwise, this is an attempt to redefine a type. That's okay if 320df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // the redefinition is identical to the original. 321df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // FIXME: REMOVE REDEFINITIONS IN LLVM 3.0 322df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Existing == Ty) return false; 323a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 324df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Any other kind of (non-equivalent) redefinition is an error. 325df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(NameLoc, "redefinition of type named '" + Name + "' of type '" + 326df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Ty->getDescription() + "'"); 327df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 328df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 329df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 330df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// toplevelentity 331df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= 'declare' FunctionHeader 332df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ParseDeclare() { 333df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner assert(Lex.getKind() == lltok::kw_declare); 334df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.Lex(); 335a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 336df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Function *F; 337df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return ParseFunctionHeader(F, false); 338df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 339df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 340df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// toplevelentity 341df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= 'define' FunctionHeader '{' ... 342df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ParseDefine() { 343df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner assert(Lex.getKind() == lltok::kw_define); 344df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.Lex(); 345a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 346df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Function *F; 3473ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner return ParseFunctionHeader(F, true) || 3483ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner ParseFunctionBody(*F); 349df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 350df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 3513ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner/// ParseGlobalType 3523ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner/// ::= 'constant' 3533ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner/// ::= 'global' 354df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ParseGlobalType(bool &IsConstant) { 355df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Lex.getKind() == lltok::kw_constant) 356df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner IsConstant = true; 357df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner else if (Lex.getKind() == lltok::kw_global) 358df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner IsConstant = false; 35935b5107951582f58bf9d6f786fdddbf7811420fdDuncan Sands else { 36035b5107951582f58bf9d6f786fdddbf7811420fdDuncan Sands IsConstant = false; 361df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return TokError("expected 'global' or 'constant'"); 36235b5107951582f58bf9d6f786fdddbf7811420fdDuncan Sands } 363df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.Lex(); 364df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 365df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 366df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 3673845e50edea58edd0f5e0f2b732e0106b53ba279Dan Gohman/// ParseUnnamedGlobal: 3683845e50edea58edd0f5e0f2b732e0106b53ba279Dan Gohman/// OptionalVisibility ALIAS ... 3693845e50edea58edd0f5e0f2b732e0106b53ba279Dan Gohman/// OptionalLinkage OptionalVisibility ... -> global variable 3703845e50edea58edd0f5e0f2b732e0106b53ba279Dan Gohman/// GlobalID '=' OptionalVisibility ALIAS ... 3713845e50edea58edd0f5e0f2b732e0106b53ba279Dan Gohman/// GlobalID '=' OptionalLinkage OptionalVisibility ... -> global variable 3723845e50edea58edd0f5e0f2b732e0106b53ba279Dan Gohmanbool LLParser::ParseUnnamedGlobal() { 3733845e50edea58edd0f5e0f2b732e0106b53ba279Dan Gohman unsigned VarID = NumberedVals.size(); 3743845e50edea58edd0f5e0f2b732e0106b53ba279Dan Gohman std::string Name; 3753845e50edea58edd0f5e0f2b732e0106b53ba279Dan Gohman LocTy NameLoc = Lex.getLoc(); 3763845e50edea58edd0f5e0f2b732e0106b53ba279Dan Gohman 3773845e50edea58edd0f5e0f2b732e0106b53ba279Dan Gohman // Handle the GlobalID form. 3783845e50edea58edd0f5e0f2b732e0106b53ba279Dan Gohman if (Lex.getKind() == lltok::GlobalID) { 3793845e50edea58edd0f5e0f2b732e0106b53ba279Dan Gohman if (Lex.getUIntVal() != VarID) 3803845e50edea58edd0f5e0f2b732e0106b53ba279Dan Gohman return Error(Lex.getLoc(), "variable expected to be numbered '%" + 3813845e50edea58edd0f5e0f2b732e0106b53ba279Dan Gohman utostr(VarID) + "'"); 3823845e50edea58edd0f5e0f2b732e0106b53ba279Dan Gohman Lex.Lex(); // eat GlobalID; 3833845e50edea58edd0f5e0f2b732e0106b53ba279Dan Gohman 3843845e50edea58edd0f5e0f2b732e0106b53ba279Dan Gohman if (ParseToken(lltok::equal, "expected '=' after name")) 3853845e50edea58edd0f5e0f2b732e0106b53ba279Dan Gohman return true; 3863845e50edea58edd0f5e0f2b732e0106b53ba279Dan Gohman } 3873845e50edea58edd0f5e0f2b732e0106b53ba279Dan Gohman 3883845e50edea58edd0f5e0f2b732e0106b53ba279Dan Gohman bool HasLinkage; 3893845e50edea58edd0f5e0f2b732e0106b53ba279Dan Gohman unsigned Linkage, Visibility; 3903845e50edea58edd0f5e0f2b732e0106b53ba279Dan Gohman if (ParseOptionalLinkage(Linkage, HasLinkage) || 3913845e50edea58edd0f5e0f2b732e0106b53ba279Dan Gohman ParseOptionalVisibility(Visibility)) 3923845e50edea58edd0f5e0f2b732e0106b53ba279Dan Gohman return true; 393a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3943845e50edea58edd0f5e0f2b732e0106b53ba279Dan Gohman if (HasLinkage || Lex.getKind() != lltok::kw_alias) 3953845e50edea58edd0f5e0f2b732e0106b53ba279Dan Gohman return ParseGlobal(Name, NameLoc, Linkage, HasLinkage, Visibility); 3963845e50edea58edd0f5e0f2b732e0106b53ba279Dan Gohman return ParseAlias(Name, NameLoc, Visibility); 3973845e50edea58edd0f5e0f2b732e0106b53ba279Dan Gohman} 3983845e50edea58edd0f5e0f2b732e0106b53ba279Dan Gohman 399df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ParseNamedGlobal: 400df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// GlobalVar '=' OptionalVisibility ALIAS ... 401df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// GlobalVar '=' OptionalLinkage OptionalVisibility ... -> global variable 402df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ParseNamedGlobal() { 403df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner assert(Lex.getKind() == lltok::GlobalVar); 404df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner LocTy NameLoc = Lex.getLoc(); 405df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner std::string Name = Lex.getStrVal(); 406df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.Lex(); 407a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 408df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner bool HasLinkage; 409df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner unsigned Linkage, Visibility; 410df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseToken(lltok::equal, "expected '=' in global variable") || 411df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseOptionalLinkage(Linkage, HasLinkage) || 412df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseOptionalVisibility(Visibility)) 413df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 414a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 415df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (HasLinkage || Lex.getKind() != lltok::kw_alias) 416df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return ParseGlobal(Name, NameLoc, Linkage, HasLinkage, Visibility); 417df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return ParseAlias(Name, NameLoc, Visibility); 418df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 419df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 420256be96457faf173de2ac3f8145077b7e6fb41baDevang Patel// MDString: 421256be96457faf173de2ac3f8145077b7e6fb41baDevang Patel// ::= '!' STRINGCONSTANT 422e54abc90fe9942ef3902040a7ac475ce0c369dc9Devang Patelbool LLParser::ParseMDString(MetadataBase *&MDS) { 423256be96457faf173de2ac3f8145077b7e6fb41baDevang Patel std::string Str; 424256be96457faf173de2ac3f8145077b7e6fb41baDevang Patel if (ParseStringConstant(Str)) return true; 425647e3016de18d2fc8b0f233a0b356809e3fdcc54Owen Anderson MDS = MDString::get(Context, Str); 426256be96457faf173de2ac3f8145077b7e6fb41baDevang Patel return false; 427256be96457faf173de2ac3f8145077b7e6fb41baDevang Patel} 428256be96457faf173de2ac3f8145077b7e6fb41baDevang Patel 429256be96457faf173de2ac3f8145077b7e6fb41baDevang Patel// MDNode: 430256be96457faf173de2ac3f8145077b7e6fb41baDevang Patel// ::= '!' MDNodeNumber 431104cf9e02b0ed94d4173869a598af6c6972a8660Devang Patelbool LLParser::ParseMDNode(MetadataBase *&Node) { 432256be96457faf173de2ac3f8145077b7e6fb41baDevang Patel // !{ ..., !42, ... } 433256be96457faf173de2ac3f8145077b7e6fb41baDevang Patel unsigned MID = 0; 434256be96457faf173de2ac3f8145077b7e6fb41baDevang Patel if (ParseUInt32(MID)) return true; 435a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 436256be96457faf173de2ac3f8145077b7e6fb41baDevang Patel // Check existing MDNode. 437104cf9e02b0ed94d4173869a598af6c6972a8660Devang Patel std::map<unsigned, MetadataBase *>::iterator I = MetadataCache.find(MID); 438256be96457faf173de2ac3f8145077b7e6fb41baDevang Patel if (I != MetadataCache.end()) { 439256be96457faf173de2ac3f8145077b7e6fb41baDevang Patel Node = I->second; 440256be96457faf173de2ac3f8145077b7e6fb41baDevang Patel return false; 441256be96457faf173de2ac3f8145077b7e6fb41baDevang Patel } 442256be96457faf173de2ac3f8145077b7e6fb41baDevang Patel 443256be96457faf173de2ac3f8145077b7e6fb41baDevang Patel // Check known forward references. 444104cf9e02b0ed94d4173869a598af6c6972a8660Devang Patel std::map<unsigned, std::pair<MetadataBase *, LocTy> >::iterator 445256be96457faf173de2ac3f8145077b7e6fb41baDevang Patel FI = ForwardRefMDNodes.find(MID); 446256be96457faf173de2ac3f8145077b7e6fb41baDevang Patel if (FI != ForwardRefMDNodes.end()) { 447256be96457faf173de2ac3f8145077b7e6fb41baDevang Patel Node = FI->second.first; 448256be96457faf173de2ac3f8145077b7e6fb41baDevang Patel return false; 449256be96457faf173de2ac3f8145077b7e6fb41baDevang Patel } 450256be96457faf173de2ac3f8145077b7e6fb41baDevang Patel 451256be96457faf173de2ac3f8145077b7e6fb41baDevang Patel // Create MDNode forward reference 452256be96457faf173de2ac3f8145077b7e6fb41baDevang Patel SmallVector<Value *, 1> Elts; 453256be96457faf173de2ac3f8145077b7e6fb41baDevang Patel std::string FwdRefName = "llvm.mdnode.fwdref." + utostr(MID); 454647e3016de18d2fc8b0f233a0b356809e3fdcc54Owen Anderson Elts.push_back(MDString::get(Context, FwdRefName)); 455647e3016de18d2fc8b0f233a0b356809e3fdcc54Owen Anderson MDNode *FwdNode = MDNode::get(Context, Elts.data(), Elts.size()); 456256be96457faf173de2ac3f8145077b7e6fb41baDevang Patel ForwardRefMDNodes[MID] = std::make_pair(FwdNode, Lex.getLoc()); 457256be96457faf173de2ac3f8145077b7e6fb41baDevang Patel Node = FwdNode; 458256be96457faf173de2ac3f8145077b7e6fb41baDevang Patel return false; 459a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar} 460256be96457faf173de2ac3f8145077b7e6fb41baDevang Patel 461eff2ab61b5d411fe64ba601d402b7c549644b590Devang Patel///ParseNamedMetadata: 462eff2ab61b5d411fe64ba601d402b7c549644b590Devang Patel/// !foo = !{ !1, !2 } 463eff2ab61b5d411fe64ba601d402b7c549644b590Devang Patelbool LLParser::ParseNamedMetadata() { 4640475c9170e9621292a48c688c3976031be5650bbDevang Patel assert(Lex.getKind() == lltok::NamedOrCustomMD); 465eff2ab61b5d411fe64ba601d402b7c549644b590Devang Patel Lex.Lex(); 466eff2ab61b5d411fe64ba601d402b7c549644b590Devang Patel std::string Name = Lex.getStrVal(); 467eff2ab61b5d411fe64ba601d402b7c549644b590Devang Patel 468eff2ab61b5d411fe64ba601d402b7c549644b590Devang Patel if (ParseToken(lltok::equal, "expected '=' here")) 469eff2ab61b5d411fe64ba601d402b7c549644b590Devang Patel return true; 470eff2ab61b5d411fe64ba601d402b7c549644b590Devang Patel 471eff2ab61b5d411fe64ba601d402b7c549644b590Devang Patel if (Lex.getKind() != lltok::Metadata) 472eff2ab61b5d411fe64ba601d402b7c549644b590Devang Patel return TokError("Expected '!' here"); 473eff2ab61b5d411fe64ba601d402b7c549644b590Devang Patel Lex.Lex(); 474eff2ab61b5d411fe64ba601d402b7c549644b590Devang Patel 475eff2ab61b5d411fe64ba601d402b7c549644b590Devang Patel if (Lex.getKind() != lltok::lbrace) 476eff2ab61b5d411fe64ba601d402b7c549644b590Devang Patel return TokError("Expected '{' here"); 477eff2ab61b5d411fe64ba601d402b7c549644b590Devang Patel Lex.Lex(); 478eff2ab61b5d411fe64ba601d402b7c549644b590Devang Patel SmallVector<MetadataBase *, 8> Elts; 479eff2ab61b5d411fe64ba601d402b7c549644b590Devang Patel do { 480eff2ab61b5d411fe64ba601d402b7c549644b590Devang Patel if (Lex.getKind() != lltok::Metadata) 481eff2ab61b5d411fe64ba601d402b7c549644b590Devang Patel return TokError("Expected '!' here"); 482eff2ab61b5d411fe64ba601d402b7c549644b590Devang Patel Lex.Lex(); 483eff2ab61b5d411fe64ba601d402b7c549644b590Devang Patel MetadataBase *N = 0; 484eff2ab61b5d411fe64ba601d402b7c549644b590Devang Patel if (ParseMDNode(N)) return true; 485eff2ab61b5d411fe64ba601d402b7c549644b590Devang Patel Elts.push_back(N); 486eff2ab61b5d411fe64ba601d402b7c549644b590Devang Patel } while (EatIfPresent(lltok::comma)); 487eff2ab61b5d411fe64ba601d402b7c549644b590Devang Patel 488eff2ab61b5d411fe64ba601d402b7c549644b590Devang Patel if (ParseToken(lltok::rbrace, "expected end of metadata node")) 489eff2ab61b5d411fe64ba601d402b7c549644b590Devang Patel return true; 490eff2ab61b5d411fe64ba601d402b7c549644b590Devang Patel 4911d0be15f89cb5056e20e2d24faa8d6afb1573bcaOwen Anderson NamedMDNode::Create(Context, Name, Elts.data(), Elts.size(), M); 492eff2ab61b5d411fe64ba601d402b7c549644b590Devang Patel return false; 493eff2ab61b5d411fe64ba601d402b7c549644b590Devang Patel} 494eff2ab61b5d411fe64ba601d402b7c549644b590Devang Patel 495923078c65d5a37a4f135705300c9feea49487de5Devang Patel/// ParseStandaloneMetadata: 496a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar/// !42 = !{...} 497923078c65d5a37a4f135705300c9feea49487de5Devang Patelbool LLParser::ParseStandaloneMetadata() { 498923078c65d5a37a4f135705300c9feea49487de5Devang Patel assert(Lex.getKind() == lltok::Metadata); 499923078c65d5a37a4f135705300c9feea49487de5Devang Patel Lex.Lex(); 500923078c65d5a37a4f135705300c9feea49487de5Devang Patel unsigned MetadataID = 0; 501923078c65d5a37a4f135705300c9feea49487de5Devang Patel if (ParseUInt32(MetadataID)) 502923078c65d5a37a4f135705300c9feea49487de5Devang Patel return true; 503923078c65d5a37a4f135705300c9feea49487de5Devang Patel if (MetadataCache.find(MetadataID) != MetadataCache.end()) 504923078c65d5a37a4f135705300c9feea49487de5Devang Patel return TokError("Metadata id is already used"); 505923078c65d5a37a4f135705300c9feea49487de5Devang Patel if (ParseToken(lltok::equal, "expected '=' here")) 506923078c65d5a37a4f135705300c9feea49487de5Devang Patel return true; 507923078c65d5a37a4f135705300c9feea49487de5Devang Patel 508923078c65d5a37a4f135705300c9feea49487de5Devang Patel LocTy TyLoc; 5091d0be15f89cb5056e20e2d24faa8d6afb1573bcaOwen Anderson PATypeHolder Ty(Type::getVoidTy(Context)); 5102214c94bb70524ff3150c6763c2f9ac0c1bb844bDevang Patel if (ParseType(Ty, TyLoc)) 511923078c65d5a37a4f135705300c9feea49487de5Devang Patel return true; 512a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 513104cf9e02b0ed94d4173869a598af6c6972a8660Devang Patel if (Lex.getKind() != lltok::Metadata) 514104cf9e02b0ed94d4173869a598af6c6972a8660Devang Patel return TokError("Expected metadata here"); 515104cf9e02b0ed94d4173869a598af6c6972a8660Devang Patel 516104cf9e02b0ed94d4173869a598af6c6972a8660Devang Patel Lex.Lex(); 517104cf9e02b0ed94d4173869a598af6c6972a8660Devang Patel if (Lex.getKind() != lltok::lbrace) 518104cf9e02b0ed94d4173869a598af6c6972a8660Devang Patel return TokError("Expected '{' here"); 519923078c65d5a37a4f135705300c9feea49487de5Devang Patel 520104cf9e02b0ed94d4173869a598af6c6972a8660Devang Patel SmallVector<Value *, 16> Elts; 521a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar if (ParseMDNodeVector(Elts) 52230d3b911c97b28ddeda6aba15128cab55cd2cfb2Benjamin Kramer || ParseToken(lltok::rbrace, "expected end of metadata node")) 523104cf9e02b0ed94d4173869a598af6c6972a8660Devang Patel return true; 524104cf9e02b0ed94d4173869a598af6c6972a8660Devang Patel 525647e3016de18d2fc8b0f233a0b356809e3fdcc54Owen Anderson MDNode *Init = MDNode::get(Context, Elts.data(), Elts.size()); 526923078c65d5a37a4f135705300c9feea49487de5Devang Patel MetadataCache[MetadataID] = Init; 527104cf9e02b0ed94d4173869a598af6c6972a8660Devang Patel std::map<unsigned, std::pair<MetadataBase *, LocTy> >::iterator 5281c7eea60d3cbada2bae54c42fa178078a3ace9b3Devang Patel FI = ForwardRefMDNodes.find(MetadataID); 5291c7eea60d3cbada2bae54c42fa178078a3ace9b3Devang Patel if (FI != ForwardRefMDNodes.end()) { 530104cf9e02b0ed94d4173869a598af6c6972a8660Devang Patel MDNode *FwdNode = cast<MDNode>(FI->second.first); 5311c7eea60d3cbada2bae54c42fa178078a3ace9b3Devang Patel FwdNode->replaceAllUsesWith(Init); 5321c7eea60d3cbada2bae54c42fa178078a3ace9b3Devang Patel ForwardRefMDNodes.erase(FI); 5331c7eea60d3cbada2bae54c42fa178078a3ace9b3Devang Patel } 5341c7eea60d3cbada2bae54c42fa178078a3ace9b3Devang Patel 535923078c65d5a37a4f135705300c9feea49487de5Devang Patel return false; 536923078c65d5a37a4f135705300c9feea49487de5Devang Patel} 537923078c65d5a37a4f135705300c9feea49487de5Devang Patel 538df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ParseAlias: 539df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= GlobalVar '=' OptionalVisibility 'alias' OptionalLinkage Aliasee 540df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// Aliasee 541040f758e3abc75bdf6ddb1ce7bea1e1ed1293ccfChris Lattner/// ::= TypeAndValue 542040f758e3abc75bdf6ddb1ce7bea1e1ed1293ccfChris Lattner/// ::= 'bitcast' '(' TypeAndValue 'to' Type ')' 543dd8004dc73d091ccb3927dbbc3b41639a3738ae3Dan Gohman/// ::= 'getelementptr' 'inbounds'? '(' ... ')' 544df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// 545df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// Everything through visibility has already been parsed. 546df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// 547df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ParseAlias(const std::string &Name, LocTy NameLoc, 548df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner unsigned Visibility) { 549df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner assert(Lex.getKind() == lltok::kw_alias); 550df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.Lex(); 551df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner unsigned Linkage; 552df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner LocTy LinkageLoc = Lex.getLoc(); 553df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseOptionalLinkage(Linkage)) 554df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 555df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 556df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Linkage != GlobalValue::ExternalLinkage && 557667d4b8de6dea70195ff12ef39a4deebffa2f5c7Duncan Sands Linkage != GlobalValue::WeakAnyLinkage && 558667d4b8de6dea70195ff12ef39a4deebffa2f5c7Duncan Sands Linkage != GlobalValue::WeakODRLinkage && 559bb46f52027416598a662dc1c58f48d9d56b1a65bRafael Espindola Linkage != GlobalValue::InternalLinkage && 5603d10a5a75794356a0a568ce283713adc3a963200Bill Wendling Linkage != GlobalValue::PrivateLinkage && 5613d10a5a75794356a0a568ce283713adc3a963200Bill Wendling Linkage != GlobalValue::LinkerPrivateLinkage) 562df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(LinkageLoc, "invalid linkage type for alias"); 563a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 564df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Constant *Aliasee; 565df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner LocTy AliaseeLoc = Lex.getLoc(); 566040f758e3abc75bdf6ddb1ce7bea1e1ed1293ccfChris Lattner if (Lex.getKind() != lltok::kw_bitcast && 567040f758e3abc75bdf6ddb1ce7bea1e1ed1293ccfChris Lattner Lex.getKind() != lltok::kw_getelementptr) { 568df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseGlobalTypeAndValue(Aliasee)) return true; 569df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } else { 570df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // The bitcast dest type is not present, it is implied by the dest type. 571df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ValID ID; 572df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseValID(ID)) return true; 573df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ID.Kind != ValID::t_Constant) 574df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(AliaseeLoc, "invalid aliasee"); 575df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Aliasee = ID.ConstantVal; 576df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 577a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 578df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!isa<PointerType>(Aliasee->getType())) 579df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(AliaseeLoc, "alias must have pointer type"); 580df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 581df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Okay, create the alias but do not insert it into the module yet. 582df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner GlobalAlias* GA = new GlobalAlias(Aliasee->getType(), 583df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner (GlobalValue::LinkageTypes)Linkage, Name, 584df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Aliasee); 585df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner GA->setVisibility((GlobalValue::VisibilityTypes)Visibility); 586a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 587df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // See if this value already exists in the symbol table. If so, it is either 588df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // a redefinition or a definition of a forward reference. 589df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (GlobalValue *Val = 590df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner cast_or_null<GlobalValue>(M->getValueSymbolTable().lookup(Name))) { 591df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // See if this was a redefinition. If so, there is no entry in 592df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // ForwardRefVals. 593df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner std::map<std::string, std::pair<GlobalValue*, LocTy> >::iterator 594df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner I = ForwardRefVals.find(Name); 595df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (I == ForwardRefVals.end()) 596df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(NameLoc, "redefinition of global named '@" + Name + "'"); 597df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 598df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Otherwise, this was a definition of forward ref. Verify that types 599df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // agree. 600df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Val->getType() != GA->getType()) 601df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(NameLoc, 602df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner "forward reference and definition of alias have different types"); 603a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 604df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // If they agree, just RAUW the old value with the alias and remove the 605df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // forward ref info. 606df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Val->replaceAllUsesWith(GA); 607df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Val->eraseFromParent(); 608df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ForwardRefVals.erase(I); 609df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 610a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 611df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Insert into the module, we know its name won't collide now. 612df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner M->getAliasList().push_back(GA); 613df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner assert(GA->getNameStr() == Name && "Should not be a name conflict!"); 614a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 615df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 616df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 617df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 618df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ParseGlobal 619df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= GlobalVar '=' OptionalLinkage OptionalVisibility OptionalThreadLocal 620df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// OptionalAddrSpace GlobalType Type Const 621df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= OptionalLinkage OptionalVisibility OptionalThreadLocal 622df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// OptionalAddrSpace GlobalType Type Const 623df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// 624df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// Everything through visibility has been parsed already. 625df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// 626df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ParseGlobal(const std::string &Name, LocTy NameLoc, 627df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner unsigned Linkage, bool HasLinkage, 628df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner unsigned Visibility) { 629df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner unsigned AddrSpace; 630df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner bool ThreadLocal, IsConstant; 631df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner LocTy TyLoc; 632a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 6331d0be15f89cb5056e20e2d24faa8d6afb1573bcaOwen Anderson PATypeHolder Ty(Type::getVoidTy(Context)); 634df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseOptionalToken(lltok::kw_thread_local, ThreadLocal) || 635df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseOptionalAddrSpace(AddrSpace) || 636df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseGlobalType(IsConstant) || 637df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseType(Ty, TyLoc)) 638df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 639a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 640df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // If the linkage is specified and is external, then no initializer is 641df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // present. 642df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Constant *Init = 0; 643df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!HasLinkage || (Linkage != GlobalValue::DLLImportLinkage && 6445f4ee1fc5d00ae55c30fa2ce450c69be4c6d6e63Duncan Sands Linkage != GlobalValue::ExternalWeakLinkage && 645df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Linkage != GlobalValue::ExternalLinkage)) { 646df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseGlobalValue(Ty, Init)) 647df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 648df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 649df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 650cf0fe8d813727383d630055bb9d1cde21b00b7e7Chris Lattner if (isa<FunctionType>(Ty) || Ty->isLabelTy()) 6514a2f112a5c774cb1ab3fd890a88ba1db9709f561Chris Lattner return Error(TyLoc, "invalid type for global variable"); 652a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 653df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner GlobalVariable *GV = 0; 654df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 655df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // See if the global was forward referenced, if so, use the global. 65691dad87ddc1e69ac5fa8953a583de4185e1dd0d7Chris Lattner if (!Name.empty()) { 65791dad87ddc1e69ac5fa8953a583de4185e1dd0d7Chris Lattner if ((GV = M->getGlobalVariable(Name, true)) && 65891dad87ddc1e69ac5fa8953a583de4185e1dd0d7Chris Lattner !ForwardRefVals.erase(Name)) 659df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(NameLoc, "redefinition of global '@" + Name + "'"); 660df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } else { 661df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner std::map<unsigned, std::pair<GlobalValue*, LocTy> >::iterator 662df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner I = ForwardRefValIDs.find(NumberedVals.size()); 663df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (I != ForwardRefValIDs.end()) { 664df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner GV = cast<GlobalVariable>(I->second.first); 665df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ForwardRefValIDs.erase(I); 666df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 667df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 668df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 669df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (GV == 0) { 670a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar GV = new GlobalVariable(*M, Ty, false, GlobalValue::ExternalLinkage, 0, 671e9b11b431308f4766b73cda93e38ec930c912122Owen Anderson Name, 0, false, AddrSpace); 672df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } else { 673df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (GV->getType()->getElementType() != Ty) 674df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(TyLoc, 675df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner "forward reference and definition of global have different types"); 676a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 677df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Move the forward-reference to the correct spot in the module. 678df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner M->getGlobalList().splice(M->global_end(), M->getGlobalList(), GV); 679df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 680df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 681df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Name.empty()) 682df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner NumberedVals.push_back(GV); 683a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 684df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Set the parsed properties on the global. 685df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Init) 686df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner GV->setInitializer(Init); 687df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner GV->setConstant(IsConstant); 688df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner GV->setLinkage((GlobalValue::LinkageTypes)Linkage); 689df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner GV->setVisibility((GlobalValue::VisibilityTypes)Visibility); 690df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner GV->setThreadLocal(ThreadLocal); 691a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 692df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Parse attributes on the global. 693df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner while (Lex.getKind() == lltok::comma) { 694df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.Lex(); 695a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 696df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Lex.getKind() == lltok::kw_section) { 697df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.Lex(); 698df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner GV->setSection(Lex.getStrVal()); 699df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseToken(lltok::StringConstant, "expected global section string")) 700df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 701df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } else if (Lex.getKind() == lltok::kw_align) { 702df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner unsigned Alignment; 703df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseOptionalAlignment(Alignment)) return true; 704df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner GV->setAlignment(Alignment); 705df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } else { 706df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner TokError("unknown global variable property!"); 707df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 708df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 709a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 710df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 711df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 712df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 713df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 714df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner//===----------------------------------------------------------------------===// 715df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner// GlobalValue Reference/Resolution Routines. 716df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner//===----------------------------------------------------------------------===// 717df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 718df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// GetGlobalVal - Get a value with the specified name or ID, creating a 719df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// forward reference record if needed. This can return null if the value 720df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// exists but does not have the right type. 721df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris LattnerGlobalValue *LLParser::GetGlobalVal(const std::string &Name, const Type *Ty, 722df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner LocTy Loc) { 723df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner const PointerType *PTy = dyn_cast<PointerType>(Ty); 724df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (PTy == 0) { 725df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Error(Loc, "global variable reference must have pointer type"); 726df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return 0; 727df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 728a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 729df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Look this name up in the normal function symbol table. 730df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner GlobalValue *Val = 731df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner cast_or_null<GlobalValue>(M->getValueSymbolTable().lookup(Name)); 732a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 733df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // If this is a forward reference for the value, see if we already created a 734df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // forward ref record. 735df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Val == 0) { 736df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner std::map<std::string, std::pair<GlobalValue*, LocTy> >::iterator 737df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner I = ForwardRefVals.find(Name); 738df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (I != ForwardRefVals.end()) 739df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Val = I->second.first; 740df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 741a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 742df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // If we have the value in the symbol table or fwd-ref table, return it. 743df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Val) { 744df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Val->getType() == Ty) return Val; 745df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Error(Loc, "'@" + Name + "' defined with type '" + 746df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Val->getType()->getDescription() + "'"); 747df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return 0; 748df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 749a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 750df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Otherwise, create a new forward reference for this value and remember it. 751df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner GlobalValue *FwdVal; 7521e407c338f6944242facb1e0c32903162cc366f0Chris Lattner if (const FunctionType *FT = dyn_cast<FunctionType>(PTy->getElementType())) { 7531e407c338f6944242facb1e0c32903162cc366f0Chris Lattner // Function types can return opaque but functions can't. 7541e407c338f6944242facb1e0c32903162cc366f0Chris Lattner if (isa<OpaqueType>(FT->getReturnType())) { 7551e407c338f6944242facb1e0c32903162cc366f0Chris Lattner Error(Loc, "function may not return opaque type"); 7561e407c338f6944242facb1e0c32903162cc366f0Chris Lattner return 0; 7571e407c338f6944242facb1e0c32903162cc366f0Chris Lattner } 758a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 7595f4ee1fc5d00ae55c30fa2ce450c69be4c6d6e63Duncan Sands FwdVal = Function::Create(FT, GlobalValue::ExternalWeakLinkage, Name, M); 7601e407c338f6944242facb1e0c32903162cc366f0Chris Lattner } else { 761e9b11b431308f4766b73cda93e38ec930c912122Owen Anderson FwdVal = new GlobalVariable(*M, PTy->getElementType(), false, 762e9b11b431308f4766b73cda93e38ec930c912122Owen Anderson GlobalValue::ExternalWeakLinkage, 0, Name); 7631e407c338f6944242facb1e0c32903162cc366f0Chris Lattner } 764a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 765df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ForwardRefVals[Name] = std::make_pair(FwdVal, Loc); 766df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return FwdVal; 767df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 768df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 769df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris LattnerGlobalValue *LLParser::GetGlobalVal(unsigned ID, const Type *Ty, LocTy Loc) { 770df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner const PointerType *PTy = dyn_cast<PointerType>(Ty); 771df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (PTy == 0) { 772df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Error(Loc, "global variable reference must have pointer type"); 773df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return 0; 774df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 775a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 776df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner GlobalValue *Val = ID < NumberedVals.size() ? NumberedVals[ID] : 0; 777a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 778df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // If this is a forward reference for the value, see if we already created a 779df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // forward ref record. 780df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Val == 0) { 781df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner std::map<unsigned, std::pair<GlobalValue*, LocTy> >::iterator 782df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner I = ForwardRefValIDs.find(ID); 783df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (I != ForwardRefValIDs.end()) 784df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Val = I->second.first; 785df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 786a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 787df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // If we have the value in the symbol table or fwd-ref table, return it. 788df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Val) { 789df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Val->getType() == Ty) return Val; 790df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Error(Loc, "'@" + utostr(ID) + "' defined with type '" + 791df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Val->getType()->getDescription() + "'"); 792df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return 0; 793df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 794a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 795df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Otherwise, create a new forward reference for this value and remember it. 796df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner GlobalValue *FwdVal; 797830703b1bd88511e29eec76b1fd146524bc9c5a1Chris Lattner if (const FunctionType *FT = dyn_cast<FunctionType>(PTy->getElementType())) { 798830703b1bd88511e29eec76b1fd146524bc9c5a1Chris Lattner // Function types can return opaque but functions can't. 799830703b1bd88511e29eec76b1fd146524bc9c5a1Chris Lattner if (isa<OpaqueType>(FT->getReturnType())) { 8000d8484f2edb1069522f5c3de6467433e0fbe9323Chris Lattner Error(Loc, "function may not return opaque type"); 801830703b1bd88511e29eec76b1fd146524bc9c5a1Chris Lattner return 0; 802830703b1bd88511e29eec76b1fd146524bc9c5a1Chris Lattner } 8035f4ee1fc5d00ae55c30fa2ce450c69be4c6d6e63Duncan Sands FwdVal = Function::Create(FT, GlobalValue::ExternalWeakLinkage, "", M); 804830703b1bd88511e29eec76b1fd146524bc9c5a1Chris Lattner } else { 805e9b11b431308f4766b73cda93e38ec930c912122Owen Anderson FwdVal = new GlobalVariable(*M, PTy->getElementType(), false, 806e9b11b431308f4766b73cda93e38ec930c912122Owen Anderson GlobalValue::ExternalWeakLinkage, 0, ""); 807830703b1bd88511e29eec76b1fd146524bc9c5a1Chris Lattner } 808a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 809df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ForwardRefValIDs[ID] = std::make_pair(FwdVal, Loc); 810df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return FwdVal; 811df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 812df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 813df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 814df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner//===----------------------------------------------------------------------===// 815df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner// Helper Routines. 816df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner//===----------------------------------------------------------------------===// 817df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 818df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ParseToken - If the current token has the specified kind, eat it and return 819df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// success. Otherwise, emit the specified error and return failure. 820df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ParseToken(lltok::Kind T, const char *ErrMsg) { 821df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Lex.getKind() != T) 822df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return TokError(ErrMsg); 823df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.Lex(); 824df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 825df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 826df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 8273ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner/// ParseStringConstant 8283ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner/// ::= StringConstant 8293ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattnerbool LLParser::ParseStringConstant(std::string &Result) { 8303ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner if (Lex.getKind() != lltok::StringConstant) 8313ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner return TokError("expected string constant"); 8323ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner Result = Lex.getStrVal(); 8333ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner Lex.Lex(); 8343ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner return false; 8353ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner} 8363ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner 8373ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner/// ParseUInt32 8383ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner/// ::= uint32 8393ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattnerbool LLParser::ParseUInt32(unsigned &Val) { 840df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Lex.getKind() != lltok::APSInt || Lex.getAPSIntVal().isSigned()) 841df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return TokError("expected integer"); 842df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner uint64_t Val64 = Lex.getAPSIntVal().getLimitedValue(0xFFFFFFFFULL+1); 843df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Val64 != unsigned(Val64)) 844df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return TokError("expected 32-bit integer (too large)"); 845df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Val = Val64; 846df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.Lex(); 847df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 848df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 849df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 850df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 851df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ParseOptionalAddrSpace 852df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// := /*empty*/ 853df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// := 'addrspace' '(' uint32 ')' 854df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ParseOptionalAddrSpace(unsigned &AddrSpace) { 855df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner AddrSpace = 0; 8563ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner if (!EatIfPresent(lltok::kw_addrspace)) 857df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 858df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return ParseToken(lltok::lparen, "expected '(' in address space") || 8593ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner ParseUInt32(AddrSpace) || 860df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseToken(lltok::rparen, "expected ')' in address space"); 861a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar} 862df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 863df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ParseOptionalAttrs - Parse a potentially empty attribute list. AttrKind 864df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// indicates what kind of attribute list this is: 0: function arg, 1: result, 865df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// 2: function attr. 866ad9ad7c827b585c018288c89d611d8c97d8d2e7dChris Lattner/// 3: function arg after value: FIXME: REMOVE IN LLVM 3.0 867df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ParseOptionalAttrs(unsigned &Attrs, unsigned AttrKind) { 868df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Attrs = Attribute::None; 869df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner LocTy AttrLoc = Lex.getLoc(); 870a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 871df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner while (1) { 872df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner switch (Lex.getKind()) { 873df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_sext: 874df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_zext: 875ad9ad7c827b585c018288c89d611d8c97d8d2e7dChris Lattner // Treat these as signext/zeroext if they occur in the argument list after 876ad9ad7c827b585c018288c89d611d8c97d8d2e7dChris Lattner // the value, as in "call i8 @foo(i8 10 sext)". If they occur before the 877ad9ad7c827b585c018288c89d611d8c97d8d2e7dChris Lattner // value, as in "call i8 @foo(i8 sext (" then it is part of a constant 878ad9ad7c827b585c018288c89d611d8c97d8d2e7dChris Lattner // expr. 879df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // FIXME: REMOVE THIS IN LLVM 3.0 880ad9ad7c827b585c018288c89d611d8c97d8d2e7dChris Lattner if (AttrKind == 3) { 881df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Lex.getKind() == lltok::kw_sext) 882df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Attrs |= Attribute::SExt; 883df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner else 884df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Attrs |= Attribute::ZExt; 885df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner break; 886df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 887df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // FALL THROUGH. 888df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner default: // End of attributes. 889df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (AttrKind != 2 && (Attrs & Attribute::FunctionOnly)) 890df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(AttrLoc, "invalid use of function-only attribute"); 891a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 892ad9ad7c827b585c018288c89d611d8c97d8d2e7dChris Lattner if (AttrKind != 0 && AttrKind != 3 && (Attrs & Attribute::ParameterOnly)) 893df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(AttrLoc, "invalid use of parameter-only attribute"); 894a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 895df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 896578efa920abd218ba75a0fb3c9b8398f4c0a774bDevang Patel case lltok::kw_zeroext: Attrs |= Attribute::ZExt; break; 897578efa920abd218ba75a0fb3c9b8398f4c0a774bDevang Patel case lltok::kw_signext: Attrs |= Attribute::SExt; break; 898578efa920abd218ba75a0fb3c9b8398f4c0a774bDevang Patel case lltok::kw_inreg: Attrs |= Attribute::InReg; break; 899578efa920abd218ba75a0fb3c9b8398f4c0a774bDevang Patel case lltok::kw_sret: Attrs |= Attribute::StructRet; break; 900578efa920abd218ba75a0fb3c9b8398f4c0a774bDevang Patel case lltok::kw_noalias: Attrs |= Attribute::NoAlias; break; 901578efa920abd218ba75a0fb3c9b8398f4c0a774bDevang Patel case lltok::kw_nocapture: Attrs |= Attribute::NoCapture; break; 902578efa920abd218ba75a0fb3c9b8398f4c0a774bDevang Patel case lltok::kw_byval: Attrs |= Attribute::ByVal; break; 903578efa920abd218ba75a0fb3c9b8398f4c0a774bDevang Patel case lltok::kw_nest: Attrs |= Attribute::Nest; break; 904578efa920abd218ba75a0fb3c9b8398f4c0a774bDevang Patel 905578efa920abd218ba75a0fb3c9b8398f4c0a774bDevang Patel case lltok::kw_noreturn: Attrs |= Attribute::NoReturn; break; 906578efa920abd218ba75a0fb3c9b8398f4c0a774bDevang Patel case lltok::kw_nounwind: Attrs |= Attribute::NoUnwind; break; 907578efa920abd218ba75a0fb3c9b8398f4c0a774bDevang Patel case lltok::kw_noinline: Attrs |= Attribute::NoInline; break; 908578efa920abd218ba75a0fb3c9b8398f4c0a774bDevang Patel case lltok::kw_readnone: Attrs |= Attribute::ReadNone; break; 909578efa920abd218ba75a0fb3c9b8398f4c0a774bDevang Patel case lltok::kw_readonly: Attrs |= Attribute::ReadOnly; break; 910de86d473fcc18fe769fa9edb075984880ef1a015Dale Johannesen case lltok::kw_inlinehint: Attrs |= Attribute::InlineHint; break; 911578efa920abd218ba75a0fb3c9b8398f4c0a774bDevang Patel case lltok::kw_alwaysinline: Attrs |= Attribute::AlwaysInline; break; 912578efa920abd218ba75a0fb3c9b8398f4c0a774bDevang Patel case lltok::kw_optsize: Attrs |= Attribute::OptimizeForSize; break; 913578efa920abd218ba75a0fb3c9b8398f4c0a774bDevang Patel case lltok::kw_ssp: Attrs |= Attribute::StackProtect; break; 914578efa920abd218ba75a0fb3c9b8398f4c0a774bDevang Patel case lltok::kw_sspreq: Attrs |= Attribute::StackProtectReq; break; 915578efa920abd218ba75a0fb3c9b8398f4c0a774bDevang Patel case lltok::kw_noredzone: Attrs |= Attribute::NoRedZone; break; 916578efa920abd218ba75a0fb3c9b8398f4c0a774bDevang Patel case lltok::kw_noimplicitfloat: Attrs |= Attribute::NoImplicitFloat; break; 917c5ec8a78ea898087ad361e5b755f74a76150e5fdAnton Korobeynikov case lltok::kw_naked: Attrs |= Attribute::Naked; break; 918a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 919df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_align: { 920df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner unsigned Alignment; 921df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseOptionalAlignment(Alignment)) 922df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 923df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Attrs |= Attribute::constructAlignmentFromInt(Alignment); 924df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner continue; 925df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 926df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 927df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.Lex(); 928df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 929df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 930df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 931df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ParseOptionalLinkage 932df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= /*empty*/ 933bb46f52027416598a662dc1c58f48d9d56b1a65bRafael Espindola/// ::= 'private' 9343d10a5a75794356a0a568ce283713adc3a963200Bill Wendling/// ::= 'linker_private' 935df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= 'internal' 936df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= 'weak' 937667d4b8de6dea70195ff12ef39a4deebffa2f5c7Duncan Sands/// ::= 'weak_odr' 938df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= 'linkonce' 939667d4b8de6dea70195ff12ef39a4deebffa2f5c7Duncan Sands/// ::= 'linkonce_odr' 940df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= 'appending' 941df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= 'dllexport' 942df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= 'common' 943df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= 'dllimport' 944df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= 'extern_weak' 945df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= 'external' 946df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ParseOptionalLinkage(unsigned &Res, bool &HasLinkage) { 947df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner HasLinkage = false; 948df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner switch (Lex.getKind()) { 9493d10a5a75794356a0a568ce283713adc3a963200Bill Wendling default: Res=GlobalValue::ExternalLinkage; return false; 9503d10a5a75794356a0a568ce283713adc3a963200Bill Wendling case lltok::kw_private: Res = GlobalValue::PrivateLinkage; break; 9513d10a5a75794356a0a568ce283713adc3a963200Bill Wendling case lltok::kw_linker_private: Res = GlobalValue::LinkerPrivateLinkage; break; 9523d10a5a75794356a0a568ce283713adc3a963200Bill Wendling case lltok::kw_internal: Res = GlobalValue::InternalLinkage; break; 9533d10a5a75794356a0a568ce283713adc3a963200Bill Wendling case lltok::kw_weak: Res = GlobalValue::WeakAnyLinkage; break; 9543d10a5a75794356a0a568ce283713adc3a963200Bill Wendling case lltok::kw_weak_odr: Res = GlobalValue::WeakODRLinkage; break; 9553d10a5a75794356a0a568ce283713adc3a963200Bill Wendling case lltok::kw_linkonce: Res = GlobalValue::LinkOnceAnyLinkage; break; 9563d10a5a75794356a0a568ce283713adc3a963200Bill Wendling case lltok::kw_linkonce_odr: Res = GlobalValue::LinkOnceODRLinkage; break; 957266c7bbbbcc4b326dea82e577de1a415d6acc23eChris Lattner case lltok::kw_available_externally: 958266c7bbbbcc4b326dea82e577de1a415d6acc23eChris Lattner Res = GlobalValue::AvailableExternallyLinkage; 959266c7bbbbcc4b326dea82e577de1a415d6acc23eChris Lattner break; 9603d10a5a75794356a0a568ce283713adc3a963200Bill Wendling case lltok::kw_appending: Res = GlobalValue::AppendingLinkage; break; 9613d10a5a75794356a0a568ce283713adc3a963200Bill Wendling case lltok::kw_dllexport: Res = GlobalValue::DLLExportLinkage; break; 9623d10a5a75794356a0a568ce283713adc3a963200Bill Wendling case lltok::kw_common: Res = GlobalValue::CommonLinkage; break; 9633d10a5a75794356a0a568ce283713adc3a963200Bill Wendling case lltok::kw_dllimport: Res = GlobalValue::DLLImportLinkage; break; 9643d10a5a75794356a0a568ce283713adc3a963200Bill Wendling case lltok::kw_extern_weak: Res = GlobalValue::ExternalWeakLinkage; break; 9653d10a5a75794356a0a568ce283713adc3a963200Bill Wendling case lltok::kw_external: Res = GlobalValue::ExternalLinkage; break; 966df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 967df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.Lex(); 968df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner HasLinkage = true; 969df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 970df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 971df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 972df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ParseOptionalVisibility 973df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= /*empty*/ 974df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= 'default' 975df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= 'hidden' 976df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= 'protected' 977a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar/// 978df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ParseOptionalVisibility(unsigned &Res) { 979df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner switch (Lex.getKind()) { 980df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner default: Res = GlobalValue::DefaultVisibility; return false; 981df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_default: Res = GlobalValue::DefaultVisibility; break; 982df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_hidden: Res = GlobalValue::HiddenVisibility; break; 983df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_protected: Res = GlobalValue::ProtectedVisibility; break; 984df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 985df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.Lex(); 986df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 987df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 988df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 989df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ParseOptionalCallingConv 990df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= /*empty*/ 991df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= 'ccc' 992df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= 'fastcc' 993df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= 'coldcc' 994df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= 'x86_stdcallcc' 995df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= 'x86_fastcallcc' 996385f5a99ecc7fee48a7539bc63d3e1d3b5089c0dAnton Korobeynikov/// ::= 'arm_apcscc' 997385f5a99ecc7fee48a7539bc63d3e1d3b5089c0dAnton Korobeynikov/// ::= 'arm_aapcscc' 998385f5a99ecc7fee48a7539bc63d3e1d3b5089c0dAnton Korobeynikov/// ::= 'arm_aapcs_vfpcc' 999df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= 'cc' UINT 1000385f5a99ecc7fee48a7539bc63d3e1d3b5089c0dAnton Korobeynikov/// 100165c3c8f323198b99b88b109654194540cf9b3fa5Sandeep Patelbool LLParser::ParseOptionalCallingConv(CallingConv::ID &CC) { 1002df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner switch (Lex.getKind()) { 1003df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner default: CC = CallingConv::C; return false; 1004df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_ccc: CC = CallingConv::C; break; 1005df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_fastcc: CC = CallingConv::Fast; break; 1006df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_coldcc: CC = CallingConv::Cold; break; 1007df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_x86_stdcallcc: CC = CallingConv::X86_StdCall; break; 1008df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_x86_fastcallcc: CC = CallingConv::X86_FastCall; break; 1009385f5a99ecc7fee48a7539bc63d3e1d3b5089c0dAnton Korobeynikov case lltok::kw_arm_apcscc: CC = CallingConv::ARM_APCS; break; 1010385f5a99ecc7fee48a7539bc63d3e1d3b5089c0dAnton Korobeynikov case lltok::kw_arm_aapcscc: CC = CallingConv::ARM_AAPCS; break; 1011385f5a99ecc7fee48a7539bc63d3e1d3b5089c0dAnton Korobeynikov case lltok::kw_arm_aapcs_vfpcc:CC = CallingConv::ARM_AAPCS_VFP; break; 101265c3c8f323198b99b88b109654194540cf9b3fa5Sandeep Patel case lltok::kw_cc: { 101365c3c8f323198b99b88b109654194540cf9b3fa5Sandeep Patel unsigned ArbitraryCC; 101465c3c8f323198b99b88b109654194540cf9b3fa5Sandeep Patel Lex.Lex(); 101565c3c8f323198b99b88b109654194540cf9b3fa5Sandeep Patel if (ParseUInt32(ArbitraryCC)) { 101665c3c8f323198b99b88b109654194540cf9b3fa5Sandeep Patel return true; 101765c3c8f323198b99b88b109654194540cf9b3fa5Sandeep Patel } else 101865c3c8f323198b99b88b109654194540cf9b3fa5Sandeep Patel CC = static_cast<CallingConv::ID>(ArbitraryCC); 101965c3c8f323198b99b88b109654194540cf9b3fa5Sandeep Patel return false; 102065c3c8f323198b99b88b109654194540cf9b3fa5Sandeep Patel } 102165c3c8f323198b99b88b109654194540cf9b3fa5Sandeep Patel break; 1022df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 1023a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1024df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.Lex(); 1025df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 1026df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 1027df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 10280475c9170e9621292a48c688c3976031be5650bbDevang Patel/// ParseOptionalCustomMetadata 1029f633a065de959b32892c51d741d4db010c5d25b1Devang Patel/// ::= /* empty */ 10300475c9170e9621292a48c688c3976031be5650bbDevang Patel/// ::= !dbg !42 10310475c9170e9621292a48c688c3976031be5650bbDevang Patelbool LLParser::ParseOptionalCustomMetadata() { 1032f633a065de959b32892c51d741d4db010c5d25b1Devang Patel 10330475c9170e9621292a48c688c3976031be5650bbDevang Patel std::string Name; 10340475c9170e9621292a48c688c3976031be5650bbDevang Patel if (Lex.getKind() == lltok::NamedOrCustomMD) { 10350475c9170e9621292a48c688c3976031be5650bbDevang Patel Name = Lex.getStrVal(); 10360475c9170e9621292a48c688c3976031be5650bbDevang Patel Lex.Lex(); 10370475c9170e9621292a48c688c3976031be5650bbDevang Patel } else 1038f633a065de959b32892c51d741d4db010c5d25b1Devang Patel return false; 10390475c9170e9621292a48c688c3976031be5650bbDevang Patel 1040f633a065de959b32892c51d741d4db010c5d25b1Devang Patel if (Lex.getKind() != lltok::Metadata) 1041f633a065de959b32892c51d741d4db010c5d25b1Devang Patel return TokError("Expected '!' here"); 1042f633a065de959b32892c51d741d4db010c5d25b1Devang Patel Lex.Lex(); 10430475c9170e9621292a48c688c3976031be5650bbDevang Patel 1044f633a065de959b32892c51d741d4db010c5d25b1Devang Patel MetadataBase *Node; 1045f633a065de959b32892c51d741d4db010c5d25b1Devang Patel if (ParseMDNode(Node)) return true; 1046a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1047e30e678865b8dc1b69ef1c26e7567ffd1300553cDevang Patel MetadataContext &TheMetadata = M->getContext().getMetadata(); 10480475c9170e9621292a48c688c3976031be5650bbDevang Patel unsigned MDK = TheMetadata.getMDKind(Name.c_str()); 10490475c9170e9621292a48c688c3976031be5650bbDevang Patel if (!MDK) 10500475c9170e9621292a48c688c3976031be5650bbDevang Patel MDK = TheMetadata.RegisterMDKind(Name.c_str()); 10510475c9170e9621292a48c688c3976031be5650bbDevang Patel MDsOnInst.push_back(std::make_pair(MDK, cast<MDNode>(Node))); 1052a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1053f633a065de959b32892c51d741d4db010c5d25b1Devang Patel return false; 1054f633a065de959b32892c51d741d4db010c5d25b1Devang Patel} 1055f633a065de959b32892c51d741d4db010c5d25b1Devang Patel 1056df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ParseOptionalAlignment 1057df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= /* empty */ 1058df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= 'align' 4 1059df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ParseOptionalAlignment(unsigned &Alignment) { 1060df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Alignment = 0; 10613ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner if (!EatIfPresent(lltok::kw_align)) 10623ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner return false; 10633fbb3ab14d86f752a933b5af4e6728c5e57e1155Chris Lattner LocTy AlignLoc = Lex.getLoc(); 10643fbb3ab14d86f752a933b5af4e6728c5e57e1155Chris Lattner if (ParseUInt32(Alignment)) return true; 10653fbb3ab14d86f752a933b5af4e6728c5e57e1155Chris Lattner if (!isPowerOf2_32(Alignment)) 10663fbb3ab14d86f752a933b5af4e6728c5e57e1155Chris Lattner return Error(AlignLoc, "alignment is not a power of two"); 10673fbb3ab14d86f752a933b5af4e6728c5e57e1155Chris Lattner return false; 1068df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 1069df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 1070f633a065de959b32892c51d741d4db010c5d25b1Devang Patel/// ParseOptionalInfo 1071f633a065de959b32892c51d741d4db010c5d25b1Devang Patel/// ::= OptionalInfo (',' OptionalInfo)+ 1072f633a065de959b32892c51d741d4db010c5d25b1Devang Patelbool LLParser::ParseOptionalInfo(unsigned &Alignment) { 1073f633a065de959b32892c51d741d4db010c5d25b1Devang Patel 1074f633a065de959b32892c51d741d4db010c5d25b1Devang Patel // FIXME: Handle customized metadata info attached with an instruction. 1075f633a065de959b32892c51d741d4db010c5d25b1Devang Patel do { 10760475c9170e9621292a48c688c3976031be5650bbDevang Patel if (Lex.getKind() == lltok::NamedOrCustomMD) { 10770475c9170e9621292a48c688c3976031be5650bbDevang Patel if (ParseOptionalCustomMetadata()) return true; 1078f633a065de959b32892c51d741d4db010c5d25b1Devang Patel } else if (Lex.getKind() == lltok::kw_align) { 1079f633a065de959b32892c51d741d4db010c5d25b1Devang Patel if (ParseOptionalAlignment(Alignment)) return true; 1080f633a065de959b32892c51d741d4db010c5d25b1Devang Patel } else 1081f633a065de959b32892c51d741d4db010c5d25b1Devang Patel return true; 1082f633a065de959b32892c51d741d4db010c5d25b1Devang Patel } while (EatIfPresent(lltok::comma)); 1083a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1084f633a065de959b32892c51d741d4db010c5d25b1Devang Patel return false; 1085df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 1086df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 1087f633a065de959b32892c51d741d4db010c5d25b1Devang Patel 1088df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ParseIndexList 1089df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= (',' uint32)+ 1090df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ParseIndexList(SmallVectorImpl<unsigned> &Indices) { 1091df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Lex.getKind() != lltok::comma) 1092df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return TokError("expected ',' as start of index list"); 1093a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 10943ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner while (EatIfPresent(lltok::comma)) { 1095df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner unsigned Idx; 10963ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner if (ParseUInt32(Idx)) return true; 1097df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Indices.push_back(Idx); 1098df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 1099a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1100df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 1101df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 1102df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 1103df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner//===----------------------------------------------------------------------===// 1104df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner// Type Parsing. 1105df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner//===----------------------------------------------------------------------===// 1106df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 1107df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ParseType - Parse and resolve a full type. 1108a9a9e07d1c5d3c73835e716d81c2ec94ad0b865fChris Lattnerbool LLParser::ParseType(PATypeHolder &Result, bool AllowVoid) { 1109a9a9e07d1c5d3c73835e716d81c2ec94ad0b865fChris Lattner LocTy TypeLoc = Lex.getLoc(); 1110df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseTypeRec(Result)) return true; 1111a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1112df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Verify no unresolved uprefs. 1113df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!UpRefs.empty()) 1114df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(UpRefs.back().Loc, "invalid unresolved type up reference"); 1115a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1116cf0fe8d813727383d630055bb9d1cde21b00b7e7Chris Lattner if (!AllowVoid && Result.get()->isVoidTy()) 1117a9a9e07d1c5d3c73835e716d81c2ec94ad0b865fChris Lattner return Error(TypeLoc, "void type only allowed for function results"); 1118a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1119df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 1120df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 1121df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 1122df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// HandleUpRefs - Every time we finish a new layer of types, this function is 1123df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// called. It loops through the UpRefs vector, which is a list of the 1124df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// currently active types. For each type, if the up-reference is contained in 1125df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// the newly completed type, we decrement the level count. When the level 1126df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// count reaches zero, the up-referenced type is the type that is passed in: 1127df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// thus we can complete the cycle. 1128df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// 1129df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris LattnerPATypeHolder LLParser::HandleUpRefs(const Type *ty) { 1130df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // If Ty isn't abstract, or if there are no up-references in it, then there is 1131df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // nothing to resolve here. 1132df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!ty->isAbstract() || UpRefs.empty()) return ty; 1133a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1134df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner PATypeHolder Ty(ty); 1135df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner#if 0 1136df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner errs() << "Type '" << Ty->getDescription() 1137df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner << "' newly formed. Resolving upreferences.\n" 1138df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner << UpRefs.size() << " upreferences active!\n"; 1139df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner#endif 1140a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1141df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // If we find any resolvable upreferences (i.e., those whose NestingLevel goes 1142df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // to zero), we resolve them all together before we resolve them to Ty. At 1143df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // the end of the loop, if there is anything to resolve to Ty, it will be in 1144df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // this variable. 1145df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner OpaqueType *TypeToResolve = 0; 1146a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1147df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner for (unsigned i = 0; i != UpRefs.size(); ++i) { 1148df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Determine if 'Ty' directly contains this up-references 'LastContainedTy'. 1149df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner bool ContainsType = 1150df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner std::find(Ty->subtype_begin(), Ty->subtype_end(), 1151df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner UpRefs[i].LastContainedTy) != Ty->subtype_end(); 1152a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1153df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner#if 0 1154df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner errs() << " UR#" << i << " - TypeContains(" << Ty->getDescription() << ", " 1155df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner << UpRefs[i].LastContainedTy->getDescription() << ") = " 1156df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner << (ContainsType ? "true" : "false") 1157df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner << " level=" << UpRefs[i].NestingLevel << "\n"; 1158df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner#endif 1159df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!ContainsType) 1160df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner continue; 1161a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1162df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Decrement level of upreference 1163df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner unsigned Level = --UpRefs[i].NestingLevel; 1164df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner UpRefs[i].LastContainedTy = Ty; 1165a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1166df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // If the Up-reference has a non-zero level, it shouldn't be resolved yet. 1167df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Level != 0) 1168df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner continue; 1169a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1170df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner#if 0 1171df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner errs() << " * Resolving upreference for " << UpRefs[i].UpRefTy << "\n"; 1172df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner#endif 1173df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!TypeToResolve) 1174df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner TypeToResolve = UpRefs[i].UpRefTy; 1175df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner else 1176df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner UpRefs[i].UpRefTy->refineAbstractTypeTo(TypeToResolve); 1177df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner UpRefs.erase(UpRefs.begin()+i); // Remove from upreference list. 1178df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner --i; // Do not skip the next element. 1179df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 1180a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1181df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (TypeToResolve) 1182df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner TypeToResolve->refineAbstractTypeTo(Ty); 1183a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1184df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Ty; 1185df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 1186df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 1187df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 1188df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ParseTypeRec - The recursive function used to process the internal 1189df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// implementation details of types. 1190df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ParseTypeRec(PATypeHolder &Result) { 1191df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner switch (Lex.getKind()) { 1192df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner default: 1193df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return TokError("expected type"); 1194df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::Type: 1195df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // TypeRec ::= 'float' | 'void' (etc) 1196df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Result = Lex.getTyVal(); 1197a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar Lex.Lex(); 1198df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner break; 1199df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_opaque: 1200df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // TypeRec ::= 'opaque' 12010e275dc53880a7f14f8b8c83cc6e0290a215492dOwen Anderson Result = OpaqueType::get(Context); 1202df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.Lex(); 1203df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner break; 1204df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::lbrace: 1205df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // TypeRec ::= '{' ... '}' 1206df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseStructType(Result, false)) 1207df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 1208df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner break; 1209df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::lsquare: 1210df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // TypeRec ::= '[' ... ']' 1211df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.Lex(); // eat the lsquare. 1212df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseArrayVectorType(Result, false)) 1213df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 1214df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner break; 1215df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::less: // Either vector or packed struct. 1216df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // TypeRec ::= '<' ... '>' 12173ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner Lex.Lex(); 12183ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner if (Lex.getKind() == lltok::lbrace) { 12193ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner if (ParseStructType(Result, true) || 12203ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner ParseToken(lltok::greater, "expected '>' at end of packed struct")) 1221df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 1222df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } else if (ParseArrayVectorType(Result, true)) 1223df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 1224df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner break; 1225df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::LocalVar: 1226df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::StringConstant: // FIXME: REMOVE IN LLVM 3.0 1227df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // TypeRec ::= %foo 1228df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (const Type *T = M->getTypeByName(Lex.getStrVal())) { 1229df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Result = T; 1230df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } else { 12310e275dc53880a7f14f8b8c83cc6e0290a215492dOwen Anderson Result = OpaqueType::get(Context); 1232df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ForwardRefTypes.insert(std::make_pair(Lex.getStrVal(), 1233df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner std::make_pair(Result, 1234df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.getLoc()))); 1235df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner M->addTypeName(Lex.getStrVal(), Result.get()); 1236df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 1237df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.Lex(); 1238df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner break; 1239a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1240df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::LocalVarID: 1241df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // TypeRec ::= %4 1242df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Lex.getUIntVal() < NumberedTypes.size()) 1243df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Result = NumberedTypes[Lex.getUIntVal()]; 1244df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner else { 1245df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner std::map<unsigned, std::pair<PATypeHolder, LocTy> >::iterator 1246df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner I = ForwardRefTypeIDs.find(Lex.getUIntVal()); 1247df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (I != ForwardRefTypeIDs.end()) 1248df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Result = I->second.first; 1249df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner else { 12500e275dc53880a7f14f8b8c83cc6e0290a215492dOwen Anderson Result = OpaqueType::get(Context); 1251df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ForwardRefTypeIDs.insert(std::make_pair(Lex.getUIntVal(), 1252df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner std::make_pair(Result, 1253df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.getLoc()))); 1254df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 1255df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 1256df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.Lex(); 1257df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner break; 1258df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::backslash: { 1259df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // TypeRec ::= '\' 4 1260df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.Lex(); 12613ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner unsigned Val; 12623ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner if (ParseUInt32(Val)) return true; 12630e275dc53880a7f14f8b8c83cc6e0290a215492dOwen Anderson OpaqueType *OT = OpaqueType::get(Context); //Use temporary placeholder. 1264df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner UpRefs.push_back(UpRefRecord(Lex.getLoc(), Val, OT)); 1265df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Result = OT; 1266df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner break; 1267df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 1268df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 1269a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1270a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar // Parse the type suffixes. 1271df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner while (1) { 1272df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner switch (Lex.getKind()) { 1273df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // End of type. 1274a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar default: return false; 1275df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 1276df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // TypeRec ::= TypeRec '*' 1277df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::star: 1278cf0fe8d813727383d630055bb9d1cde21b00b7e7Chris Lattner if (Result.get()->isLabelTy()) 1279df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return TokError("basic block pointers are invalid"); 1280cf0fe8d813727383d630055bb9d1cde21b00b7e7Chris Lattner if (Result.get()->isVoidTy()) 1281b9070d3f6309929e47503e2790a368592b4bd201Dan Gohman return TokError("pointers to void are invalid; use i8* instead"); 1282a5f54a06b09acf5c4ed3571039f262128226145bNick Lewycky if (!PointerType::isValidElementType(Result.get())) 1283a5f54a06b09acf5c4ed3571039f262128226145bNick Lewycky return TokError("pointer to this type is invalid"); 1284debcb01b0f0a15f568ca69e8f288fade4bfc7297Owen Anderson Result = HandleUpRefs(PointerType::getUnqual(Result.get())); 1285df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.Lex(); 1286df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner break; 1287df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 1288df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // TypeRec ::= TypeRec 'addrspace' '(' uint32 ')' '*' 1289df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_addrspace: { 1290cf0fe8d813727383d630055bb9d1cde21b00b7e7Chris Lattner if (Result.get()->isLabelTy()) 1291df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return TokError("basic block pointers are invalid"); 1292cf0fe8d813727383d630055bb9d1cde21b00b7e7Chris Lattner if (Result.get()->isVoidTy()) 1293b9070d3f6309929e47503e2790a368592b4bd201Dan Gohman return TokError("pointers to void are invalid; use i8* instead"); 1294a5f54a06b09acf5c4ed3571039f262128226145bNick Lewycky if (!PointerType::isValidElementType(Result.get())) 1295a5f54a06b09acf5c4ed3571039f262128226145bNick Lewycky return TokError("pointer to this type is invalid"); 1296df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner unsigned AddrSpace; 1297df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseOptionalAddrSpace(AddrSpace) || 1298df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseToken(lltok::star, "expected '*' in address space")) 1299df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 1300df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 1301debcb01b0f0a15f568ca69e8f288fade4bfc7297Owen Anderson Result = HandleUpRefs(PointerType::get(Result.get(), AddrSpace)); 1302df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner break; 1303df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 1304a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1305df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner /// Types '(' ArgTypeListI ')' OptFuncAttrs 1306df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::lparen: 1307df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseFunctionType(Result)) 1308df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 1309df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner break; 1310df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 1311df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 1312df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 1313df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 1314df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ParseParameterList 1315df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= '(' ')' 1316df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= '(' Arg (',' Arg)* ')' 1317df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// Arg 1318df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= Type OptionalAttributes Value OptionalAttributes 1319df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ParseParameterList(SmallVectorImpl<ParamInfo> &ArgList, 1320df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner PerFunctionState &PFS) { 1321df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseToken(lltok::lparen, "expected '(' in call")) 1322df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 1323a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1324df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner while (Lex.getKind() != lltok::rparen) { 1325df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // If this isn't the first argument, we need a comma. 1326df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!ArgList.empty() && 1327df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseToken(lltok::comma, "expected ',' in argument list")) 1328df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 1329a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1330df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Parse the argument. 1331df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner LocTy ArgLoc; 13321d0be15f89cb5056e20e2d24faa8d6afb1573bcaOwen Anderson PATypeHolder ArgTy(Type::getVoidTy(Context)); 1333df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner unsigned ArgAttrs1, ArgAttrs2; 1334df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Value *V; 1335df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseType(ArgTy, ArgLoc) || 1336df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseOptionalAttrs(ArgAttrs1, 0) || 1337df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseValue(ArgTy, V, PFS) || 1338df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // FIXME: Should not allow attributes after the argument, remove this in 1339df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // LLVM 3.0. 1340ad9ad7c827b585c018288c89d611d8c97d8d2e7dChris Lattner ParseOptionalAttrs(ArgAttrs2, 3)) 1341df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 1342df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ArgList.push_back(ParamInfo(ArgLoc, V, ArgAttrs1|ArgAttrs2)); 1343df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 1344df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 1345df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.Lex(); // Lex the ')'. 1346df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 1347df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 1348df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 1349df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 1350df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 1351dfd19ddcfa7568d2118fbc3c6da612295200c31cChris Lattner/// ParseArgumentList - Parse the argument list for a function type or function 1352dfd19ddcfa7568d2118fbc3c6da612295200c31cChris Lattner/// prototype. If 'inType' is true then we are parsing a FunctionType. 1353df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= '(' ArgTypeListI ')' 1354df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ArgTypeListI 1355df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= /*empty*/ 1356df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= '...' 1357df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= ArgTypeList ',' '...' 1358df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= ArgType (',' ArgType)* 1359dfd19ddcfa7568d2118fbc3c6da612295200c31cChris Lattner/// 1360df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ParseArgumentList(std::vector<ArgInfo> &ArgList, 1361dfd19ddcfa7568d2118fbc3c6da612295200c31cChris Lattner bool &isVarArg, bool inType) { 1362df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner isVarArg = false; 1363df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner assert(Lex.getKind() == lltok::lparen); 1364df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.Lex(); // eat the (. 1365a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1366df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Lex.getKind() == lltok::rparen) { 1367df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // empty 1368df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } else if (Lex.getKind() == lltok::dotdotdot) { 1369df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner isVarArg = true; 1370df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.Lex(); 1371df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } else { 1372df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner LocTy TypeLoc = Lex.getLoc(); 13731d0be15f89cb5056e20e2d24faa8d6afb1573bcaOwen Anderson PATypeHolder ArgTy(Type::getVoidTy(Context)); 1374df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner unsigned Attrs; 1375df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner std::string Name; 1376a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1377dfd19ddcfa7568d2118fbc3c6da612295200c31cChris Lattner // If we're parsing a type, use ParseTypeRec, because we allow recursive 1378dfd19ddcfa7568d2118fbc3c6da612295200c31cChris Lattner // types (such as a function returning a pointer to itself). If parsing a 1379dfd19ddcfa7568d2118fbc3c6da612295200c31cChris Lattner // function prototype, we require fully resolved types. 1380dfd19ddcfa7568d2118fbc3c6da612295200c31cChris Lattner if ((inType ? ParseTypeRec(ArgTy) : ParseType(ArgTy)) || 13813ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner ParseOptionalAttrs(Attrs, 0)) return true; 1382a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1383cf0fe8d813727383d630055bb9d1cde21b00b7e7Chris Lattner if (ArgTy->isVoidTy()) 1384a9a9e07d1c5d3c73835e716d81c2ec94ad0b865fChris Lattner return Error(TypeLoc, "argument can not have void type"); 1385a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1386df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Lex.getKind() == lltok::LocalVar || 1387df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.getKind() == lltok::StringConstant) { // FIXME: REMOVE IN LLVM 3.0 1388df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Name = Lex.getStrVal(); 1389df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.Lex(); 1390df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 13913ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner 1392a5f54a06b09acf5c4ed3571039f262128226145bNick Lewycky if (!FunctionType::isValidArgumentType(ArgTy)) 13933ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner return Error(TypeLoc, "invalid type for function argument"); 1394a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1395df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ArgList.push_back(ArgInfo(TypeLoc, ArgTy, Attrs, Name)); 1396a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 13973ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner while (EatIfPresent(lltok::comma)) { 1398df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Handle ... at end of arg list. 13993ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner if (EatIfPresent(lltok::dotdotdot)) { 1400df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner isVarArg = true; 1401df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner break; 1402df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 1403a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1404df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Otherwise must be an argument type. 1405df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner TypeLoc = Lex.getLoc(); 1406a9a9e07d1c5d3c73835e716d81c2ec94ad0b865fChris Lattner if ((inType ? ParseTypeRec(ArgTy) : ParseType(ArgTy)) || 14073ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner ParseOptionalAttrs(Attrs, 0)) return true; 14083ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner 1409cf0fe8d813727383d630055bb9d1cde21b00b7e7Chris Lattner if (ArgTy->isVoidTy()) 1410a9a9e07d1c5d3c73835e716d81c2ec94ad0b865fChris Lattner return Error(TypeLoc, "argument can not have void type"); 1411a9a9e07d1c5d3c73835e716d81c2ec94ad0b865fChris Lattner 1412df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Lex.getKind() == lltok::LocalVar || 1413df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.getKind() == lltok::StringConstant) { // FIXME: REMOVE IN LLVM 3.0 1414df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Name = Lex.getStrVal(); 1415df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.Lex(); 1416df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } else { 1417df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Name = ""; 1418df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 14193ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner 14203ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner if (!ArgTy->isFirstClassType() && !isa<OpaqueType>(ArgTy)) 14213ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner return Error(TypeLoc, "invalid type for function argument"); 1422a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1423df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ArgList.push_back(ArgInfo(TypeLoc, ArgTy, Attrs, Name)); 1424df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 1425df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 1426a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 14273ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner return ParseToken(lltok::rparen, "expected ')' at end of argument list"); 1428df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 1429a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1430df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ParseFunctionType 1431df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= Type ArgumentList OptionalAttrs 1432df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ParseFunctionType(PATypeHolder &Result) { 1433df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner assert(Lex.getKind() == lltok::lparen); 1434df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 1435d77d04c323f856b07c6e46450e7578dd09c0165fChris Lattner if (!FunctionType::isValidReturnType(Result)) 1436d77d04c323f856b07c6e46450e7578dd09c0165fChris Lattner return TokError("invalid function return type"); 1437a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1438df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner std::vector<ArgInfo> ArgList; 1439df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner bool isVarArg; 1440df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner unsigned Attrs; 1441dfd19ddcfa7568d2118fbc3c6da612295200c31cChris Lattner if (ParseArgumentList(ArgList, isVarArg, true) || 1442df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // FIXME: Allow, but ignore attributes on function types! 1443df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // FIXME: Remove in LLVM 3.0 1444df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseOptionalAttrs(Attrs, 2)) 1445df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 1446a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1447df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Reject names on the arguments lists. 1448df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner for (unsigned i = 0, e = ArgList.size(); i != e; ++i) { 1449df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!ArgList[i].Name.empty()) 1450df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(ArgList[i].Loc, "argument name invalid in function type"); 1451df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!ArgList[i].Attrs != 0) { 1452df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Allow but ignore attributes on function types; this permits 1453df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // auto-upgrade. 1454df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // FIXME: REJECT ATTRIBUTES ON FUNCTION TYPES in LLVM 3.0 1455df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 1456df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 1457a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1458df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner std::vector<const Type*> ArgListTy; 1459df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner for (unsigned i = 0, e = ArgList.size(); i != e; ++i) 1460df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ArgListTy.push_back(ArgList[i].Type); 1461a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1462debcb01b0f0a15f568ca69e8f288fade4bfc7297Owen Anderson Result = HandleUpRefs(FunctionType::get(Result.get(), 1463fba933c823a2862067e0696bd5032ab18185bd77Owen Anderson ArgListTy, isVarArg)); 1464df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 1465df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 1466df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 1467df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ParseStructType: Handles packed and unpacked types. </> parsed elsewhere. 1468df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// TypeRec 1469df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= '{' '}' 1470df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= '{' TypeRec (',' TypeRec)* '}' 1471df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= '<' '{' '}' '>' 1472df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= '<' '{' TypeRec (',' TypeRec)* '}' '>' 1473df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ParseStructType(PATypeHolder &Result, bool Packed) { 1474df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner assert(Lex.getKind() == lltok::lbrace); 1475df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.Lex(); // Consume the '{' 1476a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 14773ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner if (EatIfPresent(lltok::rbrace)) { 1478d7f2a6cb3fbc012763adb42fd967f6fefbb22a37Owen Anderson Result = StructType::get(Context, Packed); 1479df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 1480df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 1481df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 1482df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner std::vector<PATypeHolder> ParamsList; 1483a9a9e07d1c5d3c73835e716d81c2ec94ad0b865fChris Lattner LocTy EltTyLoc = Lex.getLoc(); 1484df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseTypeRec(Result)) return true; 1485df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParamsList.push_back(Result); 1486a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1487cf0fe8d813727383d630055bb9d1cde21b00b7e7Chris Lattner if (Result->isVoidTy()) 1488a9a9e07d1c5d3c73835e716d81c2ec94ad0b865fChris Lattner return Error(EltTyLoc, "struct element can not have void type"); 1489a5f54a06b09acf5c4ed3571039f262128226145bNick Lewycky if (!StructType::isValidElementType(Result)) 1490a5f54a06b09acf5c4ed3571039f262128226145bNick Lewycky return Error(EltTyLoc, "invalid element type for struct"); 1491a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 14923ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner while (EatIfPresent(lltok::comma)) { 1493a9a9e07d1c5d3c73835e716d81c2ec94ad0b865fChris Lattner EltTyLoc = Lex.getLoc(); 1494df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseTypeRec(Result)) return true; 1495a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1496cf0fe8d813727383d630055bb9d1cde21b00b7e7Chris Lattner if (Result->isVoidTy()) 1497a9a9e07d1c5d3c73835e716d81c2ec94ad0b865fChris Lattner return Error(EltTyLoc, "struct element can not have void type"); 1498a5f54a06b09acf5c4ed3571039f262128226145bNick Lewycky if (!StructType::isValidElementType(Result)) 1499a5f54a06b09acf5c4ed3571039f262128226145bNick Lewycky return Error(EltTyLoc, "invalid element type for struct"); 1500a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1501df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParamsList.push_back(Result); 1502df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 1503a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 15043ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner if (ParseToken(lltok::rbrace, "expected '}' at end of struct")) 15053ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner return true; 1506a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1507df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner std::vector<const Type*> ParamsListTy; 1508df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner for (unsigned i = 0, e = ParamsList.size(); i != e; ++i) 1509df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParamsListTy.push_back(ParamsList[i].get()); 1510d7f2a6cb3fbc012763adb42fd967f6fefbb22a37Owen Anderson Result = HandleUpRefs(StructType::get(Context, ParamsListTy, Packed)); 1511df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 1512df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 1513df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 1514df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ParseArrayVectorType - Parse an array or vector type, assuming the first 1515df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// token has already been consumed. 1516a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar/// TypeRec 1517df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= '[' APSINTVAL 'x' Types ']' 1518df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= '<' APSINTVAL 'x' Types '>' 1519df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ParseArrayVectorType(PATypeHolder &Result, bool isVector) { 1520df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Lex.getKind() != lltok::APSInt || Lex.getAPSIntVal().isSigned() || 1521df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.getAPSIntVal().getBitWidth() > 64) 1522df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return TokError("expected number in address space"); 1523a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1524df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner LocTy SizeLoc = Lex.getLoc(); 1525df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner uint64_t Size = Lex.getAPSIntVal().getZExtValue(); 15263ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner Lex.Lex(); 1527a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 15283ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner if (ParseToken(lltok::kw_x, "expected 'x' after element count")) 15293ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner return true; 1530df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 1531df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner LocTy TypeLoc = Lex.getLoc(); 15321d0be15f89cb5056e20e2d24faa8d6afb1573bcaOwen Anderson PATypeHolder EltTy(Type::getVoidTy(Context)); 1533df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseTypeRec(EltTy)) return true; 1534a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1535cf0fe8d813727383d630055bb9d1cde21b00b7e7Chris Lattner if (EltTy->isVoidTy()) 1536a9a9e07d1c5d3c73835e716d81c2ec94ad0b865fChris Lattner return Error(TypeLoc, "array and vector element type cannot be void"); 1537a9a9e07d1c5d3c73835e716d81c2ec94ad0b865fChris Lattner 15383ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner if (ParseToken(isVector ? lltok::greater : lltok::rsquare, 15393ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner "expected end of sequential type")) 15403ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner return true; 1541a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1542df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (isVector) { 1543452e2627dc1de4fb5a2b1c9ac999f1b3396f82c7Chris Lattner if (Size == 0) 1544452e2627dc1de4fb5a2b1c9ac999f1b3396f82c7Chris Lattner return Error(SizeLoc, "zero element vector is illegal"); 1545df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if ((unsigned)Size != Size) 1546df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(SizeLoc, "size too large for vector"); 1547a5f54a06b09acf5c4ed3571039f262128226145bNick Lewycky if (!VectorType::isValidElementType(EltTy)) 1548df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(TypeLoc, "vector element type must be fp or integer"); 1549debcb01b0f0a15f568ca69e8f288fade4bfc7297Owen Anderson Result = VectorType::get(EltTy, unsigned(Size)); 1550df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } else { 1551a5f54a06b09acf5c4ed3571039f262128226145bNick Lewycky if (!ArrayType::isValidElementType(EltTy)) 1552df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(TypeLoc, "invalid array element type"); 1553debcb01b0f0a15f568ca69e8f288fade4bfc7297Owen Anderson Result = HandleUpRefs(ArrayType::get(EltTy, Size)); 1554df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 1555df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 1556df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 1557df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 1558df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner//===----------------------------------------------------------------------===// 1559df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner// Function Semantic Analysis. 1560df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner//===----------------------------------------------------------------------===// 1561df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 1562df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris LattnerLLParser::PerFunctionState::PerFunctionState(LLParser &p, Function &f) 1563df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner : P(p), F(f) { 1564df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 1565df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Insert unnamed arguments into the NumberedVals list. 1566df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner for (Function::arg_iterator AI = F.arg_begin(), E = F.arg_end(); 1567df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner AI != E; ++AI) 1568df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!AI->hasName()) 1569df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner NumberedVals.push_back(AI); 1570df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 1571df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 1572df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris LattnerLLParser::PerFunctionState::~PerFunctionState() { 1573df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // If there were any forward referenced non-basicblock values, delete them. 1574df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner for (std::map<std::string, std::pair<Value*, LocTy> >::iterator 1575df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner I = ForwardRefVals.begin(), E = ForwardRefVals.end(); I != E; ++I) 1576df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!isa<BasicBlock>(I->second.first)) { 1577b43eae745eb9a7c46fe76b0ed8053b782ca67536Owen Anderson I->second.first->replaceAllUsesWith( 15789e9a0d5fc26878e51a58a8b57900fcbf952c2691Owen Anderson UndefValue::get(I->second.first->getType())); 1579df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner delete I->second.first; 1580df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner I->second.first = 0; 1581df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 1582a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1583df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner for (std::map<unsigned, std::pair<Value*, LocTy> >::iterator 1584df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner I = ForwardRefValIDs.begin(), E = ForwardRefValIDs.end(); I != E; ++I) 1585df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!isa<BasicBlock>(I->second.first)) { 1586b43eae745eb9a7c46fe76b0ed8053b782ca67536Owen Anderson I->second.first->replaceAllUsesWith( 15879e9a0d5fc26878e51a58a8b57900fcbf952c2691Owen Anderson UndefValue::get(I->second.first->getType())); 1588df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner delete I->second.first; 1589df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner I->second.first = 0; 1590df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 1591df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 1592df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 1593df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::PerFunctionState::VerifyFunctionComplete() { 1594df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!ForwardRefVals.empty()) 1595df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return P.Error(ForwardRefVals.begin()->second.second, 1596df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner "use of undefined value '%" + ForwardRefVals.begin()->first + 1597df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner "'"); 1598df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!ForwardRefValIDs.empty()) 1599df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return P.Error(ForwardRefValIDs.begin()->second.second, 1600df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner "use of undefined value '%" + 1601df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner utostr(ForwardRefValIDs.begin()->first) + "'"); 1602df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 1603df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 1604df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 1605df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 1606df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// GetVal - Get a value with the specified name or ID, creating a 1607df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// forward reference record if needed. This can return null if the value 1608df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// exists but does not have the right type. 1609df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris LattnerValue *LLParser::PerFunctionState::GetVal(const std::string &Name, 1610df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner const Type *Ty, LocTy Loc) { 1611df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Look this name up in the normal function symbol table. 1612df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Value *Val = F.getValueSymbolTable().lookup(Name); 1613a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1614df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // If this is a forward reference for the value, see if we already created a 1615df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // forward ref record. 1616df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Val == 0) { 1617df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner std::map<std::string, std::pair<Value*, LocTy> >::iterator 1618df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner I = ForwardRefVals.find(Name); 1619df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (I != ForwardRefVals.end()) 1620df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Val = I->second.first; 1621df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 1622a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1623df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // If we have the value in the symbol table or fwd-ref table, return it. 1624df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Val) { 1625df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Val->getType() == Ty) return Val; 1626cf0fe8d813727383d630055bb9d1cde21b00b7e7Chris Lattner if (Ty->isLabelTy()) 1627df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner P.Error(Loc, "'%" + Name + "' is not a basic block"); 1628df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner else 1629df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner P.Error(Loc, "'%" + Name + "' defined with type '" + 1630df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Val->getType()->getDescription() + "'"); 1631df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return 0; 1632df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 1633a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1634df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Don't make placeholders with invalid type. 16351d0be15f89cb5056e20e2d24faa8d6afb1573bcaOwen Anderson if (!Ty->isFirstClassType() && !isa<OpaqueType>(Ty) && 16361d0be15f89cb5056e20e2d24faa8d6afb1573bcaOwen Anderson Ty != Type::getLabelTy(F.getContext())) { 1637df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner P.Error(Loc, "invalid use of a non-first-class type"); 1638df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return 0; 1639df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 1640a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1641df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Otherwise, create a new forward reference for this value and remember it. 1642df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Value *FwdVal; 1643cf0fe8d813727383d630055bb9d1cde21b00b7e7Chris Lattner if (Ty->isLabelTy()) 16441d0be15f89cb5056e20e2d24faa8d6afb1573bcaOwen Anderson FwdVal = BasicBlock::Create(F.getContext(), Name, &F); 1645df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner else 1646df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner FwdVal = new Argument(Ty, Name); 1647a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1648df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ForwardRefVals[Name] = std::make_pair(FwdVal, Loc); 1649df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return FwdVal; 1650df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 1651df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 1652df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris LattnerValue *LLParser::PerFunctionState::GetVal(unsigned ID, const Type *Ty, 1653df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner LocTy Loc) { 1654df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Look this name up in the normal function symbol table. 1655df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Value *Val = ID < NumberedVals.size() ? NumberedVals[ID] : 0; 1656a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1657df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // If this is a forward reference for the value, see if we already created a 1658df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // forward ref record. 1659df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Val == 0) { 1660df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner std::map<unsigned, std::pair<Value*, LocTy> >::iterator 1661df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner I = ForwardRefValIDs.find(ID); 1662df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (I != ForwardRefValIDs.end()) 1663df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Val = I->second.first; 1664df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 1665a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1666df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // If we have the value in the symbol table or fwd-ref table, return it. 1667df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Val) { 1668df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Val->getType() == Ty) return Val; 1669cf0fe8d813727383d630055bb9d1cde21b00b7e7Chris Lattner if (Ty->isLabelTy()) 1670df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner P.Error(Loc, "'%" + utostr(ID) + "' is not a basic block"); 1671df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner else 1672df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner P.Error(Loc, "'%" + utostr(ID) + "' defined with type '" + 1673df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Val->getType()->getDescription() + "'"); 1674df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return 0; 1675df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 1676a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 16771d0be15f89cb5056e20e2d24faa8d6afb1573bcaOwen Anderson if (!Ty->isFirstClassType() && !isa<OpaqueType>(Ty) && 16781d0be15f89cb5056e20e2d24faa8d6afb1573bcaOwen Anderson Ty != Type::getLabelTy(F.getContext())) { 1679df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner P.Error(Loc, "invalid use of a non-first-class type"); 1680df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return 0; 1681df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 1682a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1683df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Otherwise, create a new forward reference for this value and remember it. 1684df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Value *FwdVal; 1685cf0fe8d813727383d630055bb9d1cde21b00b7e7Chris Lattner if (Ty->isLabelTy()) 16861d0be15f89cb5056e20e2d24faa8d6afb1573bcaOwen Anderson FwdVal = BasicBlock::Create(F.getContext(), "", &F); 1687df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner else 1688df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner FwdVal = new Argument(Ty); 1689a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1690df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ForwardRefValIDs[ID] = std::make_pair(FwdVal, Loc); 1691df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return FwdVal; 1692df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 1693df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 1694df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// SetInstName - After an instruction is parsed and inserted into its 1695df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// basic block, this installs its name. 1696df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::PerFunctionState::SetInstName(int NameID, 1697df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner const std::string &NameStr, 1698df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner LocTy NameLoc, Instruction *Inst) { 1699df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // If this instruction has void type, it cannot have a name or ID specified. 1700cf0fe8d813727383d630055bb9d1cde21b00b7e7Chris Lattner if (Inst->getType()->isVoidTy()) { 1701df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (NameID != -1 || !NameStr.empty()) 1702df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return P.Error(NameLoc, "instructions returning void cannot have a name"); 1703df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 1704df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 1705a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1706df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // If this was a numbered instruction, verify that the instruction is the 1707df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // expected value and resolve any forward references. 1708df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (NameStr.empty()) { 1709df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // If neither a name nor an ID was specified, just use the next ID. 1710df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (NameID == -1) 1711df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner NameID = NumberedVals.size(); 1712a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1713df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (unsigned(NameID) != NumberedVals.size()) 1714df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return P.Error(NameLoc, "instruction expected to be numbered '%" + 1715df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner utostr(NumberedVals.size()) + "'"); 1716a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1717df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner std::map<unsigned, std::pair<Value*, LocTy> >::iterator FI = 1718df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ForwardRefValIDs.find(NameID); 1719df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (FI != ForwardRefValIDs.end()) { 1720df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (FI->second.first->getType() != Inst->getType()) 1721a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar return P.Error(NameLoc, "instruction forward referenced with type '" + 1722df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner FI->second.first->getType()->getDescription() + "'"); 1723df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner FI->second.first->replaceAllUsesWith(Inst); 17242b4f28e270c5091a7e70991adc3e36aff0c85b0eNuno Lopes delete FI->second.first; 1725df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ForwardRefValIDs.erase(FI); 1726df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 1727df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 1728df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner NumberedVals.push_back(Inst); 1729df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 1730df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 1731df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 1732df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Otherwise, the instruction had a name. Resolve forward refs and set it. 1733df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner std::map<std::string, std::pair<Value*, LocTy> >::iterator 1734df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner FI = ForwardRefVals.find(NameStr); 1735df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (FI != ForwardRefVals.end()) { 1736df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (FI->second.first->getType() != Inst->getType()) 1737a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar return P.Error(NameLoc, "instruction forward referenced with type '" + 1738df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner FI->second.first->getType()->getDescription() + "'"); 1739df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner FI->second.first->replaceAllUsesWith(Inst); 1740531552aaa24218c1b2043cf56d719f3d940aeed4Nuno Lopes delete FI->second.first; 1741df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ForwardRefVals.erase(FI); 1742df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 1743a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1744df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Set the name on the instruction. 1745df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Inst->setName(NameStr); 1746a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1747df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Inst->getNameStr() != NameStr) 1748a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar return P.Error(NameLoc, "multiple definition of local value named '" + 1749df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner NameStr + "'"); 1750df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 1751df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 1752df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 1753df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// GetBB - Get a basic block with the specified name or ID, creating a 1754df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// forward reference record if needed. 1755df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris LattnerBasicBlock *LLParser::PerFunctionState::GetBB(const std::string &Name, 1756df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner LocTy Loc) { 17571d0be15f89cb5056e20e2d24faa8d6afb1573bcaOwen Anderson return cast_or_null<BasicBlock>(GetVal(Name, 17581d0be15f89cb5056e20e2d24faa8d6afb1573bcaOwen Anderson Type::getLabelTy(F.getContext()), Loc)); 1759df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 1760df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 1761df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris LattnerBasicBlock *LLParser::PerFunctionState::GetBB(unsigned ID, LocTy Loc) { 17621d0be15f89cb5056e20e2d24faa8d6afb1573bcaOwen Anderson return cast_or_null<BasicBlock>(GetVal(ID, 17631d0be15f89cb5056e20e2d24faa8d6afb1573bcaOwen Anderson Type::getLabelTy(F.getContext()), Loc)); 1764df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 1765df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 1766df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// DefineBB - Define the specified basic block, which is either named or 1767df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// unnamed. If there is an error, this returns null otherwise it returns 1768df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// the block being defined. 1769df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris LattnerBasicBlock *LLParser::PerFunctionState::DefineBB(const std::string &Name, 1770df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner LocTy Loc) { 1771df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner BasicBlock *BB; 1772df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Name.empty()) 1773df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner BB = GetBB(NumberedVals.size(), Loc); 1774df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner else 1775df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner BB = GetBB(Name, Loc); 1776df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (BB == 0) return 0; // Already diagnosed error. 1777a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1778df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Move the block to the end of the function. Forward ref'd blocks are 1779df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // inserted wherever they happen to be referenced. 1780df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner F.getBasicBlockList().splice(F.end(), F.getBasicBlockList(), BB); 1781a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1782df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Remove the block from forward ref sets. 1783df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Name.empty()) { 1784df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ForwardRefValIDs.erase(NumberedVals.size()); 1785df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner NumberedVals.push_back(BB); 1786df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } else { 1787df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // BB forward references are already in the function symbol table. 1788df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ForwardRefVals.erase(Name); 1789df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 1790a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1791df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return BB; 1792df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 1793df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 1794df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner//===----------------------------------------------------------------------===// 1795df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner// Constants. 1796df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner//===----------------------------------------------------------------------===// 1797df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 1798df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ParseValID - Parse an abstract value that doesn't necessarily have a 1799df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// type implied. For example, if we parse "4" we don't know what integer type 1800df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// it has. The value will later be combined with its type and checked for 1801df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// sanity. 1802df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ParseValID(ValID &ID) { 1803df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ID.Loc = Lex.getLoc(); 1804df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner switch (Lex.getKind()) { 1805df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner default: return TokError("expected value token"); 1806df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::GlobalID: // @42 1807df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ID.UIntVal = Lex.getUIntVal(); 1808df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ID.Kind = ValID::t_GlobalID; 1809df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner break; 1810df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::GlobalVar: // @foo 1811df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ID.StrVal = Lex.getStrVal(); 1812df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ID.Kind = ValID::t_GlobalName; 1813df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner break; 1814df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::LocalVarID: // %42 1815df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ID.UIntVal = Lex.getUIntVal(); 1816df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ID.Kind = ValID::t_LocalID; 1817df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner break; 1818df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::LocalVar: // %foo 1819df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::StringConstant: // "foo" - FIXME: REMOVE IN LLVM 3.0 1820df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ID.StrVal = Lex.getStrVal(); 1821df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ID.Kind = ValID::t_LocalName; 1822df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner break; 182321cc4460efa104e8591b05a90f20130291614344Nick Lewycky case lltok::Metadata: { // !{...} MDNode, !"foo" MDString 1824104cf9e02b0ed94d4173869a598af6c6972a8660Devang Patel ID.Kind = ValID::t_Metadata; 182521cc4460efa104e8591b05a90f20130291614344Nick Lewycky Lex.Lex(); 182621cc4460efa104e8591b05a90f20130291614344Nick Lewycky if (Lex.getKind() == lltok::lbrace) { 1827cb33799b9f4e152e3460faa83e59b53ff604c87dNick Lewycky SmallVector<Value*, 16> Elts; 182821cc4460efa104e8591b05a90f20130291614344Nick Lewycky if (ParseMDNodeVector(Elts) || 182921cc4460efa104e8591b05a90f20130291614344Nick Lewycky ParseToken(lltok::rbrace, "expected end of metadata node")) 183021cc4460efa104e8591b05a90f20130291614344Nick Lewycky return true; 1831cb33799b9f4e152e3460faa83e59b53ff604c87dNick Lewycky 1832647e3016de18d2fc8b0f233a0b356809e3fdcc54Owen Anderson ID.MetadataVal = MDNode::get(Context, Elts.data(), Elts.size()); 183321cc4460efa104e8591b05a90f20130291614344Nick Lewycky return false; 183421cc4460efa104e8591b05a90f20130291614344Nick Lewycky } 183521cc4460efa104e8591b05a90f20130291614344Nick Lewycky 1836923078c65d5a37a4f135705300c9feea49487de5Devang Patel // Standalone metadata reference 1837923078c65d5a37a4f135705300c9feea49487de5Devang Patel // !{ ..., !42, ... } 1838104cf9e02b0ed94d4173869a598af6c6972a8660Devang Patel if (!ParseMDNode(ID.MetadataVal)) 1839923078c65d5a37a4f135705300c9feea49487de5Devang Patel return false; 1840256be96457faf173de2ac3f8145077b7e6fb41baDevang Patel 184121cc4460efa104e8591b05a90f20130291614344Nick Lewycky // MDString: 184221cc4460efa104e8591b05a90f20130291614344Nick Lewycky // ::= '!' STRINGCONSTANT 1843e54abc90fe9942ef3902040a7ac475ce0c369dc9Devang Patel if (ParseMDString(ID.MetadataVal)) return true; 1844e54abc90fe9942ef3902040a7ac475ce0c369dc9Devang Patel ID.Kind = ValID::t_Metadata; 184521cc4460efa104e8591b05a90f20130291614344Nick Lewycky return false; 184621cc4460efa104e8591b05a90f20130291614344Nick Lewycky } 1847df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::APSInt: 1848a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar ID.APSIntVal = Lex.getAPSIntVal(); 1849df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ID.Kind = ValID::t_APSInt; 1850df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner break; 1851df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::APFloat: 1852df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ID.APFloatVal = Lex.getAPFloatVal(); 1853df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ID.Kind = ValID::t_APFloat; 1854df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner break; 1855df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_true: 18565defacc6e605f4651c6300237cef8e9bb2eb6d0eOwen Anderson ID.ConstantVal = ConstantInt::getTrue(Context); 1857df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ID.Kind = ValID::t_Constant; 1858df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner break; 1859df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_false: 18605defacc6e605f4651c6300237cef8e9bb2eb6d0eOwen Anderson ID.ConstantVal = ConstantInt::getFalse(Context); 1861df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ID.Kind = ValID::t_Constant; 1862df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner break; 1863df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_null: ID.Kind = ValID::t_Null; break; 1864df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_undef: ID.Kind = ValID::t_Undef; break; 1865df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_zeroinitializer: ID.Kind = ValID::t_Zero; break; 1866a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1867df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::lbrace: { 1868df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // ValID ::= '{' ConstVector '}' 1869df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.Lex(); 1870df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner SmallVector<Constant*, 16> Elts; 1871df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseGlobalValueVector(Elts) || 1872df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseToken(lltok::rbrace, "expected end of struct constant")) 1873df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 1874a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1875d7f2a6cb3fbc012763adb42fd967f6fefbb22a37Owen Anderson ID.ConstantVal = ConstantStruct::get(Context, Elts.data(), 1876d7f2a6cb3fbc012763adb42fd967f6fefbb22a37Owen Anderson Elts.size(), false); 1877df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ID.Kind = ValID::t_Constant; 1878df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 1879df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 1880df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::less: { 1881df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // ValID ::= '<' ConstVector '>' --> Vector. 1882df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // ValID ::= '<' '{' ConstVector '}' '>' --> Packed Struct. 1883df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.Lex(); 18843ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner bool isPackedStruct = EatIfPresent(lltok::lbrace); 1885a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1886df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner SmallVector<Constant*, 16> Elts; 1887df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner LocTy FirstEltLoc = Lex.getLoc(); 1888df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseGlobalValueVector(Elts) || 1889df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner (isPackedStruct && 1890df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseToken(lltok::rbrace, "expected end of packed struct")) || 1891df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseToken(lltok::greater, "expected end of constant")) 1892df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 1893a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1894df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (isPackedStruct) { 1895fba933c823a2862067e0696bd5032ab18185bd77Owen Anderson ID.ConstantVal = 1896d7f2a6cb3fbc012763adb42fd967f6fefbb22a37Owen Anderson ConstantStruct::get(Context, Elts.data(), Elts.size(), true); 1897df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ID.Kind = ValID::t_Constant; 1898df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 1899df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 1900a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1901df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Elts.empty()) 1902df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(ID.Loc, "constant vector must not be empty"); 1903df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 1904df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!Elts[0]->getType()->isInteger() && 1905df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner !Elts[0]->getType()->isFloatingPoint()) 1906df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(FirstEltLoc, 1907df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner "vector elements must have integer or floating point type"); 1908a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1909df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Verify that all the vector elements have the same type. 1910df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner for (unsigned i = 1, e = Elts.size(); i != e; ++i) 1911df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Elts[i]->getType() != Elts[0]->getType()) 1912df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(FirstEltLoc, 1913df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner "vector element #" + utostr(i) + 1914df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner " is not of type '" + Elts[0]->getType()->getDescription()); 1915a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1916af7ec975870f92245f1f1484ac80a1e2db6a0afaOwen Anderson ID.ConstantVal = ConstantVector::get(Elts.data(), Elts.size()); 1917df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ID.Kind = ValID::t_Constant; 1918df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 1919df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 1920df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::lsquare: { // Array Constant 1921df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.Lex(); 1922df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner SmallVector<Constant*, 16> Elts; 1923df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner LocTy FirstEltLoc = Lex.getLoc(); 1924df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseGlobalValueVector(Elts) || 1925df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseToken(lltok::rsquare, "expected end of array constant")) 1926df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 1927df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 1928df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Handle empty element. 1929df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Elts.empty()) { 1930df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Use undef instead of an array because it's inconvenient to determine 1931df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // the element type at this point, there being no elements to examine. 1932081b505f77b183b7b029818218245cf4986e8948Chris Lattner ID.Kind = ValID::t_EmptyArray; 1933df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 1934df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 1935a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1936df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!Elts[0]->getType()->isFirstClassType()) 1937a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar return Error(FirstEltLoc, "invalid array element type: " + 1938df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Elts[0]->getType()->getDescription()); 1939a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1940debcb01b0f0a15f568ca69e8f288fade4bfc7297Owen Anderson ArrayType *ATy = ArrayType::get(Elts[0]->getType(), Elts.size()); 1941a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1942df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Verify all elements are correct type! 19436d6b3cc89b9d1911cff4931dadfe670f94fcbb3bChris Lattner for (unsigned i = 0, e = Elts.size(); i != e; ++i) { 1944df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Elts[i]->getType() != Elts[0]->getType()) 1945df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(FirstEltLoc, 1946df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner "array element #" + utostr(i) + 1947df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner " is not of type '" +Elts[0]->getType()->getDescription()); 1948df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 1949a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 19501fd7096407d5e598ed3366a1141548e71273f1c5Owen Anderson ID.ConstantVal = ConstantArray::get(ATy, Elts.data(), Elts.size()); 1951df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ID.Kind = ValID::t_Constant; 1952df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 1953df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 1954df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_c: // c "foo" 1955df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.Lex(); 19561d0be15f89cb5056e20e2d24faa8d6afb1573bcaOwen Anderson ID.ConstantVal = ConstantArray::get(Context, Lex.getStrVal(), false); 1957df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseToken(lltok::StringConstant, "expected string")) return true; 1958df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ID.Kind = ValID::t_Constant; 1959df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 1960df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 1961df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_asm: { 19624360298d2bf3c1ba8595a415cfa235df0bc76335Dale Johannesen // ValID ::= 'asm' SideEffect? MsAsm? STRINGCONSTANT ',' STRINGCONSTANT 19634360298d2bf3c1ba8595a415cfa235df0bc76335Dale Johannesen bool HasSideEffect, MsAsm; 1964df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.Lex(); 1965df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseOptionalToken(lltok::kw_sideeffect, HasSideEffect) || 19664360298d2bf3c1ba8595a415cfa235df0bc76335Dale Johannesen ParseOptionalToken(lltok::kw_msasm, MsAsm) || 19673ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner ParseStringConstant(ID.StrVal) || 19683ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner ParseToken(lltok::comma, "expected comma in inline asm expression") || 1969df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseToken(lltok::StringConstant, "expected constraint string")) 1970df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 1971df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ID.StrVal2 = Lex.getStrVal(); 19724360298d2bf3c1ba8595a415cfa235df0bc76335Dale Johannesen ID.UIntVal = HasSideEffect | ((unsigned)MsAsm<<1); 1973df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ID.Kind = ValID::t_InlineAsm; 1974df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 1975df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 1976a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 1977df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_trunc: 1978df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_zext: 1979df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_sext: 1980df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_fptrunc: 1981df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_fpext: 1982df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_bitcast: 1983df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_uitofp: 1984df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_sitofp: 1985df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_fptoui: 1986a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar case lltok::kw_fptosi: 1987df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_inttoptr: 1988a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar case lltok::kw_ptrtoint: { 1989df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner unsigned Opc = Lex.getUIntVal(); 19901d0be15f89cb5056e20e2d24faa8d6afb1573bcaOwen Anderson PATypeHolder DestTy(Type::getVoidTy(Context)); 1991df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Constant *SrcVal; 1992df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.Lex(); 1993df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseToken(lltok::lparen, "expected '(' after constantexpr cast") || 1994df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseGlobalTypeAndValue(SrcVal) || 199524b108bc8ca75922d4cb8e7f197934b8269d4fc3Dan Gohman ParseToken(lltok::kw_to, "expected 'to' in constantexpr cast") || 1996df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseType(DestTy) || 1997df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseToken(lltok::rparen, "expected ')' at end of constantexpr cast")) 1998df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 1999df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!CastInst::castIsValid((Instruction::CastOps)Opc, SrcVal, DestTy)) 2000df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(ID.Loc, "invalid cast opcode for cast from '" + 2001df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner SrcVal->getType()->getDescription() + "' to '" + 2002df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner DestTy->getDescription() + "'"); 2003a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar ID.ConstantVal = ConstantExpr::getCast((Instruction::CastOps)Opc, 2004fba933c823a2862067e0696bd5032ab18185bd77Owen Anderson SrcVal, DestTy); 2005df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ID.Kind = ValID::t_Constant; 2006df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 2007df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 2008df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_extractvalue: { 2009df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.Lex(); 2010df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Constant *Val; 2011df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner SmallVector<unsigned, 4> Indices; 2012df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseToken(lltok::lparen, "expected '(' in extractvalue constantexpr")|| 2013df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseGlobalTypeAndValue(Val) || 2014df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseIndexList(Indices) || 2015df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseToken(lltok::rparen, "expected ')' in extractvalue constantexpr")) 2016df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 2017df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!isa<StructType>(Val->getType()) && !isa<ArrayType>(Val->getType())) 2018df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(ID.Loc, "extractvalue operand must be array or struct"); 2019df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!ExtractValueInst::getIndexedType(Val->getType(), Indices.begin(), 2020df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Indices.end())) 2021df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(ID.Loc, "invalid indices for extractvalue"); 2022e3e51c0038bd6ba2add82e2246e97edec0ab2204Jay Foad ID.ConstantVal = 2023baf3c404409d5e47b13984a7f95bfbd6d1f2e79eOwen Anderson ConstantExpr::getExtractValue(Val, Indices.data(), Indices.size()); 2024df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ID.Kind = ValID::t_Constant; 2025df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 2026df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 2027df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_insertvalue: { 2028df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.Lex(); 2029df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Constant *Val0, *Val1; 2030df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner SmallVector<unsigned, 4> Indices; 2031df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseToken(lltok::lparen, "expected '(' in insertvalue constantexpr")|| 2032df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseGlobalTypeAndValue(Val0) || 2033df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseToken(lltok::comma, "expected comma in insertvalue constantexpr")|| 2034df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseGlobalTypeAndValue(Val1) || 2035df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseIndexList(Indices) || 2036df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseToken(lltok::rparen, "expected ')' in insertvalue constantexpr")) 2037df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 2038df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!isa<StructType>(Val0->getType()) && !isa<ArrayType>(Val0->getType())) 2039df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(ID.Loc, "extractvalue operand must be array or struct"); 2040df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!ExtractValueInst::getIndexedType(Val0->getType(), Indices.begin(), 2041df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Indices.end())) 2042df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(ID.Loc, "invalid indices for insertvalue"); 2043baf3c404409d5e47b13984a7f95bfbd6d1f2e79eOwen Anderson ID.ConstantVal = ConstantExpr::getInsertValue(Val0, Val1, 2044fba933c823a2862067e0696bd5032ab18185bd77Owen Anderson Indices.data(), Indices.size()); 2045df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ID.Kind = ValID::t_Constant; 2046df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 2047df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 2048df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_icmp: 20497f6aa2b162e5daaf7b9ccf05d749597d3d7cf460Nick Lewycky case lltok::kw_fcmp: { 2050df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner unsigned PredVal, Opc = Lex.getUIntVal(); 2051df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Constant *Val0, *Val1; 2052df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.Lex(); 2053df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseCmpPredicate(PredVal, Opc) || 2054df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseToken(lltok::lparen, "expected '(' in compare constantexpr") || 2055df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseGlobalTypeAndValue(Val0) || 2056df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseToken(lltok::comma, "expected comma in compare constantexpr") || 2057df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseGlobalTypeAndValue(Val1) || 2058df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseToken(lltok::rparen, "expected ')' in compare constantexpr")) 2059df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 2060a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 2061df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Val0->getType() != Val1->getType()) 2062df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(ID.Loc, "compare operands must have the same type"); 2063a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 2064df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner CmpInst::Predicate Pred = (CmpInst::Predicate)PredVal; 2065a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 2066df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Opc == Instruction::FCmp) { 2067df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!Val0->getType()->isFPOrFPVector()) 2068df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(ID.Loc, "fcmp requires floating point operands"); 2069baf3c404409d5e47b13984a7f95bfbd6d1f2e79eOwen Anderson ID.ConstantVal = ConstantExpr::getFCmp(Pred, Val0, Val1); 20707f6aa2b162e5daaf7b9ccf05d749597d3d7cf460Nick Lewycky } else { 20717f6aa2b162e5daaf7b9ccf05d749597d3d7cf460Nick Lewycky assert(Opc == Instruction::ICmp && "Unexpected opcode for CmpInst!"); 2072df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!Val0->getType()->isIntOrIntVector() && 2073df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner !isa<PointerType>(Val0->getType())) 2074df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(ID.Loc, "icmp requires pointer or integer operands"); 2075baf3c404409d5e47b13984a7f95bfbd6d1f2e79eOwen Anderson ID.ConstantVal = ConstantExpr::getICmp(Pred, Val0, Val1); 2076df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 2077df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ID.Kind = ValID::t_Constant; 2078df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 2079df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 2080a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 2081df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Binary Operators. 2082df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_add: 2083ae3a0be92e33bc716722aa600983fc1535acb122Dan Gohman case lltok::kw_fadd: 2084df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_sub: 2085ae3a0be92e33bc716722aa600983fc1535acb122Dan Gohman case lltok::kw_fsub: 2086df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_mul: 2087ae3a0be92e33bc716722aa600983fc1535acb122Dan Gohman case lltok::kw_fmul: 2088df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_udiv: 2089df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_sdiv: 2090df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_fdiv: 2091df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_urem: 2092df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_srem: 2093df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_frem: { 209459858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman bool NUW = false; 209559858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman bool NSW = false; 209659858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman bool Exact = false; 2097df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner unsigned Opc = Lex.getUIntVal(); 2098df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Constant *Val0, *Val1; 2099df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.Lex(); 210059858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman LocTy ModifierLoc = Lex.getLoc(); 210159858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman if (Opc == Instruction::Add || 210259858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman Opc == Instruction::Sub || 210359858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman Opc == Instruction::Mul) { 210459858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman if (EatIfPresent(lltok::kw_nuw)) 210559858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman NUW = true; 210659858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman if (EatIfPresent(lltok::kw_nsw)) { 210759858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman NSW = true; 210859858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman if (EatIfPresent(lltok::kw_nuw)) 210959858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman NUW = true; 211059858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman } 211159858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman } else if (Opc == Instruction::SDiv) { 211259858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman if (EatIfPresent(lltok::kw_exact)) 211359858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman Exact = true; 211459858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman } 2115df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseToken(lltok::lparen, "expected '(' in binary constantexpr") || 2116df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseGlobalTypeAndValue(Val0) || 2117df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseToken(lltok::comma, "expected comma in binary constantexpr") || 2118df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseGlobalTypeAndValue(Val1) || 2119df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseToken(lltok::rparen, "expected ')' in binary constantexpr")) 2120df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 2121df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Val0->getType() != Val1->getType()) 2122df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(ID.Loc, "operands of constexpr must have same type"); 212359858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman if (!Val0->getType()->isIntOrIntVector()) { 212459858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman if (NUW) 212559858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman return Error(ModifierLoc, "nuw only applies to integer operations"); 212659858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman if (NSW) 212759858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman return Error(ModifierLoc, "nsw only applies to integer operations"); 212859858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman } 212959858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman // API compatibility: Accept either integer or floating-point types with 213059858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman // add, sub, and mul. 2131df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!Val0->getType()->isIntOrIntVector() && 2132df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner !Val0->getType()->isFPOrFPVector()) 2133df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(ID.Loc,"constexpr requires integer, fp, or vector operands"); 2134f8dbee7cea072eb63ae343759975109553697bcbDan Gohman unsigned Flags = 0; 2135f8dbee7cea072eb63ae343759975109553697bcbDan Gohman if (NUW) Flags |= OverflowingBinaryOperator::NoUnsignedWrap; 2136f8dbee7cea072eb63ae343759975109553697bcbDan Gohman if (NSW) Flags |= OverflowingBinaryOperator::NoSignedWrap; 2137f8dbee7cea072eb63ae343759975109553697bcbDan Gohman if (Exact) Flags |= SDivOperator::IsExact; 2138f8dbee7cea072eb63ae343759975109553697bcbDan Gohman Constant *C = ConstantExpr::get(Opc, Val0, Val1, Flags); 213959858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman ID.ConstantVal = C; 2140df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ID.Kind = ValID::t_Constant; 2141df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 2142df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 2143a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 2144df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Logical Operations 2145df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_shl: 2146df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_lshr: 2147df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_ashr: 2148df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_and: 2149df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_or: 2150df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_xor: { 2151df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner unsigned Opc = Lex.getUIntVal(); 2152df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Constant *Val0, *Val1; 2153df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.Lex(); 2154df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseToken(lltok::lparen, "expected '(' in logical constantexpr") || 2155df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseGlobalTypeAndValue(Val0) || 2156df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseToken(lltok::comma, "expected comma in logical constantexpr") || 2157df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseGlobalTypeAndValue(Val1) || 2158df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseToken(lltok::rparen, "expected ')' in logical constantexpr")) 2159df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 2160df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Val0->getType() != Val1->getType()) 2161df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(ID.Loc, "operands of constexpr must have same type"); 2162df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!Val0->getType()->isIntOrIntVector()) 2163df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(ID.Loc, 2164df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner "constexpr requires integer or integer vector operands"); 2165baf3c404409d5e47b13984a7f95bfbd6d1f2e79eOwen Anderson ID.ConstantVal = ConstantExpr::get(Opc, Val0, Val1); 2166df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ID.Kind = ValID::t_Constant; 2167df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 2168a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar } 2169a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 2170df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_getelementptr: 2171df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_shufflevector: 2172df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_insertelement: 2173df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_extractelement: 2174df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_select: { 2175df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner unsigned Opc = Lex.getUIntVal(); 2176df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner SmallVector<Constant*, 16> Elts; 2177dd8004dc73d091ccb3927dbbc3b41639a3738ae3Dan Gohman bool InBounds = false; 2178df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.Lex(); 2179dd8004dc73d091ccb3927dbbc3b41639a3738ae3Dan Gohman if (Opc == Instruction::GetElementPtr) 2180dcb40a3c1c747c88c4e634e34d1b4d7533a86adaDan Gohman InBounds = EatIfPresent(lltok::kw_inbounds); 2181df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseToken(lltok::lparen, "expected '(' in constantexpr") || 2182df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseGlobalValueVector(Elts) || 2183df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseToken(lltok::rparen, "expected ')' in constantexpr")) 2184df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 2185a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 2186df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Opc == Instruction::GetElementPtr) { 2187df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Elts.size() == 0 || !isa<PointerType>(Elts[0]->getType())) 2188df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(ID.Loc, "getelementptr requires pointer operand"); 2189a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 2190df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!GetElementPtrInst::getIndexedType(Elts[0]->getType(), 21914e9bac3769cb668aad20f1ac2d6a35d9ba452f3aEli Friedman (Value**)(Elts.data() + 1), 21924e9bac3769cb668aad20f1ac2d6a35d9ba452f3aEli Friedman Elts.size() - 1)) 2193df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(ID.Loc, "invalid indices for getelementptr"); 2194f8dbee7cea072eb63ae343759975109553697bcbDan Gohman ID.ConstantVal = InBounds ? 2195f8dbee7cea072eb63ae343759975109553697bcbDan Gohman ConstantExpr::getInBoundsGetElementPtr(Elts[0], 2196f8dbee7cea072eb63ae343759975109553697bcbDan Gohman Elts.data() + 1, 2197f8dbee7cea072eb63ae343759975109553697bcbDan Gohman Elts.size() - 1) : 2198f8dbee7cea072eb63ae343759975109553697bcbDan Gohman ConstantExpr::getGetElementPtr(Elts[0], 2199f8dbee7cea072eb63ae343759975109553697bcbDan Gohman Elts.data() + 1, Elts.size() - 1); 2200df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } else if (Opc == Instruction::Select) { 2201df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Elts.size() != 3) 2202df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(ID.Loc, "expected three operands to select"); 2203df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (const char *Reason = SelectInst::areInvalidOperands(Elts[0], Elts[1], 2204df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Elts[2])) 2205df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(ID.Loc, Reason); 2206baf3c404409d5e47b13984a7f95bfbd6d1f2e79eOwen Anderson ID.ConstantVal = ConstantExpr::getSelect(Elts[0], Elts[1], Elts[2]); 2207df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } else if (Opc == Instruction::ShuffleVector) { 2208df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Elts.size() != 3) 2209df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(ID.Loc, "expected three operands to shufflevector"); 2210df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!ShuffleVectorInst::isValidOperands(Elts[0], Elts[1], Elts[2])) 2211df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(ID.Loc, "invalid operands to shufflevector"); 2212fba933c823a2862067e0696bd5032ab18185bd77Owen Anderson ID.ConstantVal = 2213baf3c404409d5e47b13984a7f95bfbd6d1f2e79eOwen Anderson ConstantExpr::getShuffleVector(Elts[0], Elts[1],Elts[2]); 2214df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } else if (Opc == Instruction::ExtractElement) { 2215df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Elts.size() != 2) 2216df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(ID.Loc, "expected two operands to extractelement"); 2217df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!ExtractElementInst::isValidOperands(Elts[0], Elts[1])) 2218df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(ID.Loc, "invalid extractelement operands"); 2219baf3c404409d5e47b13984a7f95bfbd6d1f2e79eOwen Anderson ID.ConstantVal = ConstantExpr::getExtractElement(Elts[0], Elts[1]); 2220df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } else { 2221df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner assert(Opc == Instruction::InsertElement && "Unknown opcode"); 2222df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Elts.size() != 3) 2223df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(ID.Loc, "expected three operands to insertelement"); 2224df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!InsertElementInst::isValidOperands(Elts[0], Elts[1], Elts[2])) 2225df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(ID.Loc, "invalid insertelement operands"); 2226fba933c823a2862067e0696bd5032ab18185bd77Owen Anderson ID.ConstantVal = 2227baf3c404409d5e47b13984a7f95bfbd6d1f2e79eOwen Anderson ConstantExpr::getInsertElement(Elts[0], Elts[1],Elts[2]); 2228df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 2229a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 2230df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ID.Kind = ValID::t_Constant; 2231df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 2232df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 2233df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 2234a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 2235df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.Lex(); 2236df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 2237df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 2238df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 2239df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ParseGlobalValue - Parse a global value with the specified type. 2240df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ParseGlobalValue(const Type *Ty, Constant *&V) { 2241df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner V = 0; 2242df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ValID ID; 22433ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner return ParseValID(ID) || 22443ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner ConvertGlobalValIDToValue(Ty, ID, V); 2245df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 2246df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 2247df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ConvertGlobalValIDToValue - Apply a type to a ValID to get a fully resolved 2248df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// constant. 2249df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ConvertGlobalValIDToValue(const Type *Ty, ValID &ID, 2250df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Constant *&V) { 2251df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (isa<FunctionType>(Ty)) 2252df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(ID.Loc, "functions are not values, refer to them as pointers"); 2253a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 2254df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner switch (ID.Kind) { 2255a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar default: llvm_unreachable("Unknown ValID!"); 2256e54abc90fe9942ef3902040a7ac475ce0c369dc9Devang Patel case ValID::t_Metadata: 2257e54abc90fe9942ef3902040a7ac475ce0c369dc9Devang Patel return Error(ID.Loc, "invalid use of metadata"); 2258df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case ValID::t_LocalID: 2259df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case ValID::t_LocalName: 2260df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(ID.Loc, "invalid use of function-local name"); 2261df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case ValID::t_InlineAsm: 2262df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(ID.Loc, "inline asm can only be an operand of call/invoke"); 2263df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case ValID::t_GlobalName: 2264df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner V = GetGlobalVal(ID.StrVal, Ty, ID.Loc); 2265df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return V == 0; 2266df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case ValID::t_GlobalID: 2267df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner V = GetGlobalVal(ID.UIntVal, Ty, ID.Loc); 2268df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return V == 0; 2269df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case ValID::t_APSInt: 2270df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!isa<IntegerType>(Ty)) 2271df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(ID.Loc, "integer constant must have integer type"); 2272df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ID.APSIntVal.extOrTrunc(Ty->getPrimitiveSizeInBits()); 2273eed707b1e6097aac2bb6b3d47271f6300ace7f2eOwen Anderson V = ConstantInt::get(Context, ID.APSIntVal); 2274df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 2275df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case ValID::t_APFloat: 2276df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!Ty->isFloatingPoint() || 2277df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner !ConstantFP::isValueValidForType(Ty, ID.APFloatVal)) 2278df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(ID.Loc, "floating point constant invalid for type"); 2279a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 2280df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // The lexer has no type info, so builds all float and double FP constants 2281df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // as double. Fix this here. Long double does not need this. 2282df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (&ID.APFloatVal.getSemantics() == &APFloat::IEEEdouble && 2283cf0fe8d813727383d630055bb9d1cde21b00b7e7Chris Lattner Ty->isFloatTy()) { 2284df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner bool Ignored; 2285df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ID.APFloatVal.convert(APFloat::IEEEsingle, APFloat::rmNearestTiesToEven, 2286df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner &Ignored); 2287df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 22886f83c9c6ef0e7f79825a0a8f22941815e4b684c7Owen Anderson V = ConstantFP::get(Context, ID.APFloatVal); 2289a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 2290959873d2da763c0e3b3c67c39aab179fc43c5a52Chris Lattner if (V->getType() != Ty) 2291959873d2da763c0e3b3c67c39aab179fc43c5a52Chris Lattner return Error(ID.Loc, "floating point constant does not have type '" + 2292959873d2da763c0e3b3c67c39aab179fc43c5a52Chris Lattner Ty->getDescription() + "'"); 2293a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 2294df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 2295df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case ValID::t_Null: 2296df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!isa<PointerType>(Ty)) 2297df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(ID.Loc, "null must be a pointer type"); 22989e9a0d5fc26878e51a58a8b57900fcbf952c2691Owen Anderson V = ConstantPointerNull::get(cast<PointerType>(Ty)); 2299df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 2300df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case ValID::t_Undef: 2301e67c1aa3986cf98f2021a31a6ad502857c757b7bChris Lattner // FIXME: LabelTy should not be a first-class type. 2302cf0fe8d813727383d630055bb9d1cde21b00b7e7Chris Lattner if ((!Ty->isFirstClassType() || Ty->isLabelTy()) && 23030b6163506359223fb0f74d856099ee4d5e768ebeChris Lattner !isa<OpaqueType>(Ty)) 2304e67c1aa3986cf98f2021a31a6ad502857c757b7bChris Lattner return Error(ID.Loc, "invalid type for undef constant"); 23059e9a0d5fc26878e51a58a8b57900fcbf952c2691Owen Anderson V = UndefValue::get(Ty); 2306df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 2307081b505f77b183b7b029818218245cf4986e8948Chris Lattner case ValID::t_EmptyArray: 2308081b505f77b183b7b029818218245cf4986e8948Chris Lattner if (!isa<ArrayType>(Ty) || cast<ArrayType>(Ty)->getNumElements() != 0) 2309081b505f77b183b7b029818218245cf4986e8948Chris Lattner return Error(ID.Loc, "invalid empty array initializer"); 23109e9a0d5fc26878e51a58a8b57900fcbf952c2691Owen Anderson V = UndefValue::get(Ty); 2311081b505f77b183b7b029818218245cf4986e8948Chris Lattner return false; 2312df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case ValID::t_Zero: 2313e67c1aa3986cf98f2021a31a6ad502857c757b7bChris Lattner // FIXME: LabelTy should not be a first-class type. 2314cf0fe8d813727383d630055bb9d1cde21b00b7e7Chris Lattner if (!Ty->isFirstClassType() || Ty->isLabelTy()) 2315df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(ID.Loc, "invalid type for null constant"); 2316a7235ea7245028a0723e8ab7fd011386b3900777Owen Anderson V = Constant::getNullValue(Ty); 2317df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 2318df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case ValID::t_Constant: 2319df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ID.ConstantVal->getType() != Ty) 2320df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(ID.Loc, "constant expression type mismatch"); 2321df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner V = ID.ConstantVal; 2322df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 2323df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 2324df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 2325a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 2326df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ParseGlobalTypeAndValue(Constant *&V) { 23271d0be15f89cb5056e20e2d24faa8d6afb1573bcaOwen Anderson PATypeHolder Type(Type::getVoidTy(Context)); 2328df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return ParseType(Type) || 2329df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseGlobalValue(Type, V); 2330a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar} 2331df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 23323ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner/// ParseGlobalValueVector 23333ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner/// ::= /*empty*/ 23343ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner/// ::= TypeAndValue (',' TypeAndValue)* 2335df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ParseGlobalValueVector(SmallVectorImpl<Constant*> &Elts) { 2336df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Empty list. 2337df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Lex.getKind() == lltok::rbrace || 2338df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.getKind() == lltok::rsquare || 2339df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.getKind() == lltok::greater || 2340df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.getKind() == lltok::rparen) 2341df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 2342a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 2343df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Constant *C; 2344df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseGlobalTypeAndValue(C)) return true; 2345df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Elts.push_back(C); 2346a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 23473ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner while (EatIfPresent(lltok::comma)) { 2348df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseGlobalTypeAndValue(C)) return true; 2349df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Elts.push_back(C); 2350df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 2351a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 2352df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 2353df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 2354df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 2355df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 2356df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner//===----------------------------------------------------------------------===// 2357df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner// Function Parsing. 2358df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner//===----------------------------------------------------------------------===// 2359df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 2360df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ConvertValIDToValue(const Type *Ty, ValID &ID, Value *&V, 2361df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner PerFunctionState &PFS) { 2362df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ID.Kind == ValID::t_LocalID) 2363df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner V = PFS.GetVal(ID.UIntVal, Ty, ID.Loc); 2364df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner else if (ID.Kind == ValID::t_LocalName) 2365df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner V = PFS.GetVal(ID.StrVal, Ty, ID.Loc); 2366b0adcdb7e53dcd636a7eafba44d941ac23006473Steve Naroff else if (ID.Kind == ValID::t_InlineAsm) { 2367df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner const PointerType *PTy = dyn_cast<PointerType>(Ty); 2368df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner const FunctionType *FTy = 2369df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner PTy ? dyn_cast<FunctionType>(PTy->getElementType()) : 0; 2370df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!FTy || !InlineAsm::Verify(FTy, ID.StrVal2)) 2371df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(ID.Loc, "invalid type for inline asm constraint string"); 23724360298d2bf3c1ba8595a415cfa235df0bc76335Dale Johannesen V = InlineAsm::get(FTy, ID.StrVal, ID.StrVal2, ID.UIntVal&1, ID.UIntVal>>1); 2373df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 2374e54abc90fe9942ef3902040a7ac475ce0c369dc9Devang Patel } else if (ID.Kind == ValID::t_Metadata) { 2375e54abc90fe9942ef3902040a7ac475ce0c369dc9Devang Patel V = ID.MetadataVal; 2376df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } else { 2377df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Constant *C; 2378df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ConvertGlobalValIDToValue(Ty, ID, C)) return true; 2379df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner V = C; 2380df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 2381df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 2382df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 2383df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return V == 0; 2384df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 2385df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 2386df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ParseValue(const Type *Ty, Value *&V, PerFunctionState &PFS) { 2387df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner V = 0; 2388df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ValID ID; 23893ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner return ParseValID(ID) || 23903ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner ConvertValIDToValue(Ty, ID, V, PFS); 2391df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 2392df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 2393df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ParseTypeAndValue(Value *&V, PerFunctionState &PFS) { 23941d0be15f89cb5056e20e2d24faa8d6afb1573bcaOwen Anderson PATypeHolder T(Type::getVoidTy(Context)); 23953ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner return ParseType(T) || 23963ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner ParseValue(T, V, PFS); 2397df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 2398df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 2399df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// FunctionHeader 2400df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= OptionalLinkage OptionalVisibility OptionalCallingConv OptRetAttrs 2401df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// Type GlobalName '(' ArgList ')' OptFuncAttrs OptSection 2402df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// OptionalAlign OptGC 2403df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ParseFunctionHeader(Function *&Fn, bool isDefine) { 2404df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Parse the linkage. 2405df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner LocTy LinkageLoc = Lex.getLoc(); 2406df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner unsigned Linkage; 2407a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 240865c3c8f323198b99b88b109654194540cf9b3fa5Sandeep Patel unsigned Visibility, RetAttrs; 240965c3c8f323198b99b88b109654194540cf9b3fa5Sandeep Patel CallingConv::ID CC; 24101d0be15f89cb5056e20e2d24faa8d6afb1573bcaOwen Anderson PATypeHolder RetType(Type::getVoidTy(Context)); 2411df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner LocTy RetTypeLoc = Lex.getLoc(); 2412df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseOptionalLinkage(Linkage) || 2413df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseOptionalVisibility(Visibility) || 2414df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseOptionalCallingConv(CC) || 2415df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseOptionalAttrs(RetAttrs, 1) || 2416a9a9e07d1c5d3c73835e716d81c2ec94ad0b865fChris Lattner ParseType(RetType, RetTypeLoc, true /*void allowed*/)) 2417df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 2418df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 2419df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Verify that the linkage is ok. 2420df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner switch ((GlobalValue::LinkageTypes)Linkage) { 2421df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case GlobalValue::ExternalLinkage: 2422df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner break; // always ok. 2423df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case GlobalValue::DLLImportLinkage: 24245f4ee1fc5d00ae55c30fa2ce450c69be4c6d6e63Duncan Sands case GlobalValue::ExternalWeakLinkage: 2425df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (isDefine) 2426df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(LinkageLoc, "invalid linkage for function definition"); 2427df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner break; 2428bb46f52027416598a662dc1c58f48d9d56b1a65bRafael Espindola case GlobalValue::PrivateLinkage: 24293d10a5a75794356a0a568ce283713adc3a963200Bill Wendling case GlobalValue::LinkerPrivateLinkage: 2430df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case GlobalValue::InternalLinkage: 243155f64dbb398cc8d967d1e32a8bb2190a60f5b61eNick Lewycky case GlobalValue::AvailableExternallyLinkage: 2432667d4b8de6dea70195ff12ef39a4deebffa2f5c7Duncan Sands case GlobalValue::LinkOnceAnyLinkage: 2433667d4b8de6dea70195ff12ef39a4deebffa2f5c7Duncan Sands case GlobalValue::LinkOnceODRLinkage: 2434667d4b8de6dea70195ff12ef39a4deebffa2f5c7Duncan Sands case GlobalValue::WeakAnyLinkage: 2435667d4b8de6dea70195ff12ef39a4deebffa2f5c7Duncan Sands case GlobalValue::WeakODRLinkage: 2436df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case GlobalValue::DLLExportLinkage: 2437df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!isDefine) 2438df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(LinkageLoc, "invalid linkage for function declaration"); 2439df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner break; 2440df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case GlobalValue::AppendingLinkage: 2441df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case GlobalValue::GhostLinkage: 24424dc2b39bf89d7c87868008ef8a0f807e0419aca6Duncan Sands case GlobalValue::CommonLinkage: 2443df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(LinkageLoc, "invalid function linkage type"); 2444df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 2445a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 244699bb315f32a5f82f9e4978345ee39177db973242Chris Lattner if (!FunctionType::isValidReturnType(RetType) || 244799bb315f32a5f82f9e4978345ee39177db973242Chris Lattner isa<OpaqueType>(RetType)) 2448df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(RetTypeLoc, "invalid function return type"); 2449a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 2450f570e621ab6eec6c7656cc4c511e19aba12b42cdChris Lattner LocTy NameLoc = Lex.getLoc(); 2451f570e621ab6eec6c7656cc4c511e19aba12b42cdChris Lattner 2452f570e621ab6eec6c7656cc4c511e19aba12b42cdChris Lattner std::string FunctionName; 2453f570e621ab6eec6c7656cc4c511e19aba12b42cdChris Lattner if (Lex.getKind() == lltok::GlobalVar) { 2454f570e621ab6eec6c7656cc4c511e19aba12b42cdChris Lattner FunctionName = Lex.getStrVal(); 2455f570e621ab6eec6c7656cc4c511e19aba12b42cdChris Lattner } else if (Lex.getKind() == lltok::GlobalID) { // @42 is ok. 2456f570e621ab6eec6c7656cc4c511e19aba12b42cdChris Lattner unsigned NameID = Lex.getUIntVal(); 2457f570e621ab6eec6c7656cc4c511e19aba12b42cdChris Lattner 2458f570e621ab6eec6c7656cc4c511e19aba12b42cdChris Lattner if (NameID != NumberedVals.size()) 2459f570e621ab6eec6c7656cc4c511e19aba12b42cdChris Lattner return TokError("function expected to be numbered '%" + 2460f570e621ab6eec6c7656cc4c511e19aba12b42cdChris Lattner utostr(NumberedVals.size()) + "'"); 2461f570e621ab6eec6c7656cc4c511e19aba12b42cdChris Lattner } else { 2462df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return TokError("expected function name"); 2463f570e621ab6eec6c7656cc4c511e19aba12b42cdChris Lattner } 2464a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 24653ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner Lex.Lex(); 2466a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 24673ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner if (Lex.getKind() != lltok::lparen) 2468df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return TokError("expected '(' in function argument list"); 2469a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 2470df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner std::vector<ArgInfo> ArgList; 2471df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner bool isVarArg; 2472df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner unsigned FuncAttrs; 2473df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner std::string Section; 2474df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner unsigned Alignment; 24753ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner std::string GC; 24763ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner 2477dfd19ddcfa7568d2118fbc3c6da612295200c31cChris Lattner if (ParseArgumentList(ArgList, isVarArg, false) || 24783ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner ParseOptionalAttrs(FuncAttrs, 2) || 24793ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner (EatIfPresent(lltok::kw_section) && 24803ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner ParseStringConstant(Section)) || 24813ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner ParseOptionalAlignment(Alignment) || 24823ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner (EatIfPresent(lltok::kw_gc) && 24833ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner ParseStringConstant(GC))) 24843ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner return true; 2485df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 2486df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // If the alignment was parsed as an attribute, move to the alignment field. 2487df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (FuncAttrs & Attribute::Alignment) { 2488df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Alignment = Attribute::getAlignmentFromAttrs(FuncAttrs); 2489df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner FuncAttrs &= ~Attribute::Alignment; 2490df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 2491a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 2492df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Okay, if we got here, the function is syntactically valid. Convert types 2493df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // and do semantic checks. 2494df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner std::vector<const Type*> ParamTypeList; 2495df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner SmallVector<AttributeWithIndex, 8> Attrs; 2496a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar // FIXME : In 3.0, stop accepting zext, sext and inreg as optional function 2497df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // attributes. 2498df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner unsigned ObsoleteFuncAttrs = Attribute::ZExt|Attribute::SExt|Attribute::InReg; 2499df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (FuncAttrs & ObsoleteFuncAttrs) { 2500df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner RetAttrs |= FuncAttrs & ObsoleteFuncAttrs; 2501df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner FuncAttrs &= ~ObsoleteFuncAttrs; 2502df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 2503a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 2504df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (RetAttrs != Attribute::None) 2505df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Attrs.push_back(AttributeWithIndex::get(0, RetAttrs)); 2506a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 2507df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner for (unsigned i = 0, e = ArgList.size(); i != e; ++i) { 2508df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParamTypeList.push_back(ArgList[i].Type); 2509df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ArgList[i].Attrs != Attribute::None) 2510df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Attrs.push_back(AttributeWithIndex::get(i+1, ArgList[i].Attrs)); 2511df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 2512df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 2513df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (FuncAttrs != Attribute::None) 2514df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Attrs.push_back(AttributeWithIndex::get(~0, FuncAttrs)); 2515df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 2516df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner AttrListPtr PAL = AttrListPtr::get(Attrs.begin(), Attrs.end()); 2517a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 2518a9a9e07d1c5d3c73835e716d81c2ec94ad0b865fChris Lattner if (PAL.paramHasAttr(1, Attribute::StructRet) && 25191d0be15f89cb5056e20e2d24faa8d6afb1573bcaOwen Anderson RetType != Type::getVoidTy(Context)) 2520a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar return Error(RetTypeLoc, "functions with 'sret' argument must return void"); 2521a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 2522fba933c823a2862067e0696bd5032ab18185bd77Owen Anderson const FunctionType *FT = 2523debcb01b0f0a15f568ca69e8f288fade4bfc7297Owen Anderson FunctionType::get(RetType, ParamTypeList, isVarArg); 2524debcb01b0f0a15f568ca69e8f288fade4bfc7297Owen Anderson const PointerType *PFT = PointerType::getUnqual(FT); 2525df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 2526df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Fn = 0; 2527df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!FunctionName.empty()) { 2528df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // If this was a definition of a forward reference, remove the definition 2529df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // from the forward reference table and fill in the forward ref. 2530df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner std::map<std::string, std::pair<GlobalValue*, LocTy> >::iterator FRVI = 2531df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ForwardRefVals.find(FunctionName); 2532df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (FRVI != ForwardRefVals.end()) { 2533df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Fn = M->getFunction(FunctionName); 2534df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ForwardRefVals.erase(FRVI); 2535df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } else if ((Fn = M->getFunction(FunctionName))) { 2536df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // If this function already exists in the symbol table, then it is 2537df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // multiply defined. We accept a few cases for old backwards compat. 2538df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // FIXME: Remove this stuff for LLVM 3.0. 2539df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Fn->getType() != PFT || Fn->getAttributes() != PAL || 2540df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner (!Fn->isDeclaration() && isDefine)) { 2541df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // If the redefinition has different type or different attributes, 2542df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // reject it. If both have bodies, reject it. 2543df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(NameLoc, "invalid redefinition of function '" + 2544df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner FunctionName + "'"); 2545df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } else if (Fn->isDeclaration()) { 2546df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Make sure to strip off any argument names so we can't get conflicts. 2547df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner for (Function::arg_iterator AI = Fn->arg_begin(), AE = Fn->arg_end(); 2548df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner AI != AE; ++AI) 2549df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner AI->setName(""); 2550df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 2551df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 2552a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 2553419055453cdc4f9be4a3ad80f9b49e881d528fe9Dan Gohman } else { 2554df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // If this is a definition of a forward referenced function, make sure the 2555df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // types agree. 2556df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner std::map<unsigned, std::pair<GlobalValue*, LocTy> >::iterator I 2557df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner = ForwardRefValIDs.find(NumberedVals.size()); 2558df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (I != ForwardRefValIDs.end()) { 2559df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Fn = cast<Function>(I->second.first); 2560df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Fn->getType() != PFT) 2561df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(NameLoc, "type of definition and forward reference of '@" + 2562df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner utostr(NumberedVals.size()) +"' disagree"); 2563df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ForwardRefValIDs.erase(I); 2564df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 2565df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 2566df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 2567df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Fn == 0) 2568df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Fn = Function::Create(FT, GlobalValue::ExternalLinkage, FunctionName, M); 2569df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner else // Move the forward-reference to the correct spot in the module. 2570df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner M->getFunctionList().splice(M->end(), M->getFunctionList(), Fn); 2571df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 2572df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (FunctionName.empty()) 2573df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner NumberedVals.push_back(Fn); 2574a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 2575df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Fn->setLinkage((GlobalValue::LinkageTypes)Linkage); 2576df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Fn->setVisibility((GlobalValue::VisibilityTypes)Visibility); 2577df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Fn->setCallingConv(CC); 2578df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Fn->setAttributes(PAL); 2579df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Fn->setAlignment(Alignment); 2580df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Fn->setSection(Section); 2581df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!GC.empty()) Fn->setGC(GC.c_str()); 2582a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 2583df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Add all of the arguments we parsed to the function. 2584df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Function::arg_iterator ArgIt = Fn->arg_begin(); 2585df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner for (unsigned i = 0, e = ArgList.size(); i != e; ++i, ++ArgIt) { 2586df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // If the argument has a name, insert it into the argument symbol table. 2587df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ArgList[i].Name.empty()) continue; 2588a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 2589df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Set the name, if it conflicted, it will be auto-renamed. 2590df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ArgIt->setName(ArgList[i].Name); 2591a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 2592df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ArgIt->getNameStr() != ArgList[i].Name) 2593df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(ArgList[i].Loc, "redefinition of argument '%" + 2594df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ArgList[i].Name + "'"); 2595df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 2596a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 2597df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 2598df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 2599df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 2600df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 2601df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ParseFunctionBody 2602df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= '{' BasicBlock+ '}' 2603df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= 'begin' BasicBlock+ 'end' // FIXME: remove in LLVM 3.0 2604df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// 2605df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ParseFunctionBody(Function &Fn) { 2606df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Lex.getKind() != lltok::lbrace && Lex.getKind() != lltok::kw_begin) 2607df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return TokError("expected '{' in function body"); 2608df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.Lex(); // eat the {. 2609a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 2610df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner PerFunctionState PFS(*this, Fn); 2611a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 2612df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner while (Lex.getKind() != lltok::rbrace && Lex.getKind() != lltok::kw_end) 2613df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseBasicBlock(PFS)) return true; 2614a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 2615df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Eat the }. 2616df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.Lex(); 2617a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 2618df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Verify function is ok. 2619df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return PFS.VerifyFunctionComplete(); 2620df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 2621df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 2622df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ParseBasicBlock 2623df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= LabelStr? Instruction* 2624df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ParseBasicBlock(PerFunctionState &PFS) { 2625df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // If this basic block starts out with a name, remember it. 2626df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner std::string Name; 2627df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner LocTy NameLoc = Lex.getLoc(); 2628df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Lex.getKind() == lltok::LabelStr) { 2629df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Name = Lex.getStrVal(); 2630df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.Lex(); 2631df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 2632a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 2633df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner BasicBlock *BB = PFS.DefineBB(Name, NameLoc); 2634df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (BB == 0) return true; 2635a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 2636df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner std::string NameStr; 2637a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 2638df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Parse the instructions in this block until we get a terminator. 2639df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Instruction *Inst; 2640df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner do { 2641df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // This instruction may have three possibilities for a name: a) none 2642df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // specified, b) name specified "%foo =", c) number specified: "%4 =". 2643df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner LocTy NameLoc = Lex.getLoc(); 2644df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner int NameID = -1; 2645df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner NameStr = ""; 2646a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 2647df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Lex.getKind() == lltok::LocalVarID) { 2648df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner NameID = Lex.getUIntVal(); 2649df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.Lex(); 2650df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseToken(lltok::equal, "expected '=' after instruction id")) 2651df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 2652df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } else if (Lex.getKind() == lltok::LocalVar || 2653df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // FIXME: REMOVE IN LLVM 3.0 2654df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.getKind() == lltok::StringConstant) { 2655df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner NameStr = Lex.getStrVal(); 2656df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.Lex(); 2657df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseToken(lltok::equal, "expected '=' after instruction name")) 2658df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 2659df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 2660f633a065de959b32892c51d741d4db010c5d25b1Devang Patel 2661df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseInstruction(Inst, BB, PFS)) return true; 2662f633a065de959b32892c51d741d4db010c5d25b1Devang Patel if (EatIfPresent(lltok::comma)) 26630475c9170e9621292a48c688c3976031be5650bbDevang Patel ParseOptionalCustomMetadata(); 2664f633a065de959b32892c51d741d4db010c5d25b1Devang Patel 2665f633a065de959b32892c51d741d4db010c5d25b1Devang Patel // Set metadata attached with this instruction. 2666e30e678865b8dc1b69ef1c26e7567ffd1300553cDevang Patel MetadataContext &TheMetadata = M->getContext().getMetadata(); 2667a2148402ce39fb3aad09e98a32078d3853a01ae9Devang Patel for (SmallVector<std::pair<unsigned, MDNode *>, 2>::iterator 2668a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar MDI = MDsOnInst.begin(), MDE = MDsOnInst.end(); MDI != MDE; ++MDI) 266958a230a4917592f5c529cb40e75bfc3e1c681b69Devang Patel TheMetadata.addMD(MDI->first, MDI->second, Inst); 2670f633a065de959b32892c51d741d4db010c5d25b1Devang Patel MDsOnInst.clear(); 2671f633a065de959b32892c51d741d4db010c5d25b1Devang Patel 2672df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner BB->getInstList().push_back(Inst); 2673df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 2674df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Set the name on the instruction. 2675df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (PFS.SetInstName(NameID, NameStr, NameLoc, Inst)) return true; 2676df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } while (!isa<TerminatorInst>(Inst)); 2677a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 2678df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 2679df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 2680df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 2681df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner//===----------------------------------------------------------------------===// 2682df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner// Instruction Parsing. 2683df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner//===----------------------------------------------------------------------===// 2684df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 2685df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ParseInstruction - Parse one of the many different instructions. 2686df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// 2687df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ParseInstruction(Instruction *&Inst, BasicBlock *BB, 2688df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner PerFunctionState &PFS) { 2689df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner lltok::Kind Token = Lex.getKind(); 2690df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Token == lltok::Eof) 2691df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return TokError("found end of file when expecting more instructions"); 2692df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner LocTy Loc = Lex.getLoc(); 2693f6f0bdfec336b596b095b4db8126149bbb33fec1Chris Lattner unsigned KeywordVal = Lex.getUIntVal(); 2694df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.Lex(); // Eat the keyword. 2695a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 2696df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner switch (Token) { 2697df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner default: return Error(Loc, "expected instruction opcode"); 2698df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Terminator Instructions. 26991d0be15f89cb5056e20e2d24faa8d6afb1573bcaOwen Anderson case lltok::kw_unwind: Inst = new UnwindInst(Context); return false; 27001d0be15f89cb5056e20e2d24faa8d6afb1573bcaOwen Anderson case lltok::kw_unreachable: Inst = new UnreachableInst(Context); return false; 2701df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_ret: return ParseRet(Inst, BB, PFS); 2702df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_br: return ParseBr(Inst, PFS); 2703df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_switch: return ParseSwitch(Inst, PFS); 2704df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_invoke: return ParseInvoke(Inst, PFS); 2705df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Binary Operators. 2706df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_add: 2707df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_sub: 270859858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman case lltok::kw_mul: { 270959858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman bool NUW = false; 271059858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman bool NSW = false; 271159858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman LocTy ModifierLoc = Lex.getLoc(); 271259858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman if (EatIfPresent(lltok::kw_nuw)) 271359858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman NUW = true; 271459858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman if (EatIfPresent(lltok::kw_nsw)) { 271559858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman NSW = true; 271659858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman if (EatIfPresent(lltok::kw_nuw)) 271759858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman NUW = true; 271859858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman } 2719ae3a0be92e33bc716722aa600983fc1535acb122Dan Gohman // API compatibility: Accept either integer or floating-point types. 272059858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman bool Result = ParseArithmetic(Inst, PFS, KeywordVal, 0); 272159858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman if (!Result) { 272259858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman if (!Inst->getType()->isIntOrIntVector()) { 272359858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman if (NUW) 272459858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman return Error(ModifierLoc, "nuw only applies to integer operations"); 272559858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman if (NSW) 272659858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman return Error(ModifierLoc, "nsw only applies to integer operations"); 272759858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman } 272859858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman if (NUW) 2729f8dbee7cea072eb63ae343759975109553697bcbDan Gohman cast<BinaryOperator>(Inst)->setHasNoUnsignedWrap(true); 273059858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman if (NSW) 2731f8dbee7cea072eb63ae343759975109553697bcbDan Gohman cast<BinaryOperator>(Inst)->setHasNoSignedWrap(true); 273259858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman } 273359858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman return Result; 273459858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman } 2735ae3a0be92e33bc716722aa600983fc1535acb122Dan Gohman case lltok::kw_fadd: 2736ae3a0be92e33bc716722aa600983fc1535acb122Dan Gohman case lltok::kw_fsub: 2737ae3a0be92e33bc716722aa600983fc1535acb122Dan Gohman case lltok::kw_fmul: return ParseArithmetic(Inst, PFS, KeywordVal, 2); 2738ae3a0be92e33bc716722aa600983fc1535acb122Dan Gohman 273959858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman case lltok::kw_sdiv: { 274059858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman bool Exact = false; 274159858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman if (EatIfPresent(lltok::kw_exact)) 274259858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman Exact = true; 274359858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman bool Result = ParseArithmetic(Inst, PFS, KeywordVal, 1); 274459858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman if (!Result) 274559858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman if (Exact) 2746f8dbee7cea072eb63ae343759975109553697bcbDan Gohman cast<BinaryOperator>(Inst)->setIsExact(true); 274759858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman return Result; 274859858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman } 274959858cf7926702596cf708daf21aeaf5b6feedf8Dan Gohman 2750df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_udiv: 2751df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_urem: 2752f6f0bdfec336b596b095b4db8126149bbb33fec1Chris Lattner case lltok::kw_srem: return ParseArithmetic(Inst, PFS, KeywordVal, 1); 2753e914b59c008745204c49fcf0751f9cc4d91f44bbChris Lattner case lltok::kw_fdiv: 2754f6f0bdfec336b596b095b4db8126149bbb33fec1Chris Lattner case lltok::kw_frem: return ParseArithmetic(Inst, PFS, KeywordVal, 2); 2755df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_shl: 2756df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_lshr: 2757df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_ashr: 2758df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_and: 2759df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_or: 2760f6f0bdfec336b596b095b4db8126149bbb33fec1Chris Lattner case lltok::kw_xor: return ParseLogical(Inst, PFS, KeywordVal); 2761df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_icmp: 27627f6aa2b162e5daaf7b9ccf05d749597d3d7cf460Nick Lewycky case lltok::kw_fcmp: return ParseCompare(Inst, PFS, KeywordVal); 2763df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Casts. 2764df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_trunc: 2765df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_zext: 2766df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_sext: 2767df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_fptrunc: 2768df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_fpext: 2769df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_bitcast: 2770df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_uitofp: 2771df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_sitofp: 2772df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_fptoui: 2773a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar case lltok::kw_fptosi: 2774df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_inttoptr: 2775f6f0bdfec336b596b095b4db8126149bbb33fec1Chris Lattner case lltok::kw_ptrtoint: return ParseCast(Inst, PFS, KeywordVal); 2776df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Other. 2777df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_select: return ParseSelect(Inst, PFS); 27780088a5cc722b9e32820d31c70175a7650ad4772dChris Lattner case lltok::kw_va_arg: return ParseVA_Arg(Inst, PFS); 2779df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_extractelement: return ParseExtractElement(Inst, PFS); 2780df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_insertelement: return ParseInsertElement(Inst, PFS); 2781df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_shufflevector: return ParseShuffleVector(Inst, PFS); 2782df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_phi: return ParsePHI(Inst, PFS); 2783df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_call: return ParseCall(Inst, PFS, false); 2784df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_tail: return ParseCall(Inst, PFS, true); 2785df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Memory. 27863e0c99a26f365bddb667124db40a5734e35c5a2dVictor Hernandez case lltok::kw_alloca: 27873e0c99a26f365bddb667124db40a5734e35c5a2dVictor Hernandez case lltok::kw_malloc: return ParseAlloc(Inst, PFS, KeywordVal); 2788df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_free: return ParseFree(Inst, PFS); 2789df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_load: return ParseLoad(Inst, PFS, false); 2790df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_store: return ParseStore(Inst, PFS, false); 2791df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_volatile: 27923ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner if (EatIfPresent(lltok::kw_load)) 2793df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return ParseLoad(Inst, PFS, true); 27943ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner else if (EatIfPresent(lltok::kw_store)) 2795df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return ParseStore(Inst, PFS, true); 27963ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner else 2797df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return TokError("expected 'load' or 'store'"); 2798df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_getresult: return ParseGetResult(Inst, PFS); 2799df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_getelementptr: return ParseGetElementPtr(Inst, PFS); 2800df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_extractvalue: return ParseExtractValue(Inst, PFS); 2801df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_insertvalue: return ParseInsertValue(Inst, PFS); 2802df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 2803df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 2804df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 2805df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ParseCmpPredicate - Parse an integer or fp predicate, based on Kind. 2806df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ParseCmpPredicate(unsigned &P, unsigned Opc) { 28077f6aa2b162e5daaf7b9ccf05d749597d3d7cf460Nick Lewycky if (Opc == Instruction::FCmp) { 2808df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner switch (Lex.getKind()) { 2809df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner default: TokError("expected fcmp predicate (e.g. 'oeq')"); 2810df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_oeq: P = CmpInst::FCMP_OEQ; break; 2811df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_one: P = CmpInst::FCMP_ONE; break; 2812df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_olt: P = CmpInst::FCMP_OLT; break; 2813df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_ogt: P = CmpInst::FCMP_OGT; break; 2814df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_ole: P = CmpInst::FCMP_OLE; break; 2815df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_oge: P = CmpInst::FCMP_OGE; break; 2816df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_ord: P = CmpInst::FCMP_ORD; break; 2817df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_uno: P = CmpInst::FCMP_UNO; break; 2818df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_ueq: P = CmpInst::FCMP_UEQ; break; 2819df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_une: P = CmpInst::FCMP_UNE; break; 2820df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_ult: P = CmpInst::FCMP_ULT; break; 2821df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_ugt: P = CmpInst::FCMP_UGT; break; 2822df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_ule: P = CmpInst::FCMP_ULE; break; 2823df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_uge: P = CmpInst::FCMP_UGE; break; 2824df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_true: P = CmpInst::FCMP_TRUE; break; 2825df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_false: P = CmpInst::FCMP_FALSE; break; 2826df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 2827df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } else { 2828df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner switch (Lex.getKind()) { 2829df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner default: TokError("expected icmp predicate (e.g. 'eq')"); 2830df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_eq: P = CmpInst::ICMP_EQ; break; 2831df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_ne: P = CmpInst::ICMP_NE; break; 2832df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_slt: P = CmpInst::ICMP_SLT; break; 2833df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_sgt: P = CmpInst::ICMP_SGT; break; 2834df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_sle: P = CmpInst::ICMP_SLE; break; 2835df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_sge: P = CmpInst::ICMP_SGE; break; 2836df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_ult: P = CmpInst::ICMP_ULT; break; 2837df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_ugt: P = CmpInst::ICMP_UGT; break; 2838df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_ule: P = CmpInst::ICMP_ULE; break; 2839df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner case lltok::kw_uge: P = CmpInst::ICMP_UGE; break; 2840df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 2841df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 2842df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.Lex(); 2843df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 2844df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 2845df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 2846df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner//===----------------------------------------------------------------------===// 2847df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner// Terminator Instructions. 2848df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner//===----------------------------------------------------------------------===// 2849df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 2850df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ParseRet - Parse a return instruction. 28510475c9170e9621292a48c688c3976031be5650bbDevang Patel/// ::= 'ret' void (',' !dbg, !1) 28520475c9170e9621292a48c688c3976031be5650bbDevang Patel/// ::= 'ret' TypeAndValue (',' !dbg, !1) 28530475c9170e9621292a48c688c3976031be5650bbDevang Patel/// ::= 'ret' TypeAndValue (',' TypeAndValue)+ (',' !dbg, !1) 2854f633a065de959b32892c51d741d4db010c5d25b1Devang Patel/// [[obsolete: LLVM 3.0]] 2855df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ParseRet(Instruction *&Inst, BasicBlock *BB, 2856df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner PerFunctionState &PFS) { 28571d0be15f89cb5056e20e2d24faa8d6afb1573bcaOwen Anderson PATypeHolder Ty(Type::getVoidTy(Context)); 2858a9a9e07d1c5d3c73835e716d81c2ec94ad0b865fChris Lattner if (ParseType(Ty, true /*void allowed*/)) return true; 2859a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 2860cf0fe8d813727383d630055bb9d1cde21b00b7e7Chris Lattner if (Ty->isVoidTy()) { 2861f633a065de959b32892c51d741d4db010c5d25b1Devang Patel if (EatIfPresent(lltok::comma)) 28620475c9170e9621292a48c688c3976031be5650bbDevang Patel if (ParseOptionalCustomMetadata()) return true; 28631d0be15f89cb5056e20e2d24faa8d6afb1573bcaOwen Anderson Inst = ReturnInst::Create(Context); 2864df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 2865df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 2866a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 2867df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Value *RV; 2868df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseValue(Ty, RV, PFS)) return true; 2869df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 2870f633a065de959b32892c51d741d4db010c5d25b1Devang Patel if (EatIfPresent(lltok::comma)) { 28710475c9170e9621292a48c688c3976031be5650bbDevang Patel // Parse optional custom metadata, e.g. !dbg 28720475c9170e9621292a48c688c3976031be5650bbDevang Patel if (Lex.getKind() == lltok::NamedOrCustomMD) { 28730475c9170e9621292a48c688c3976031be5650bbDevang Patel if (ParseOptionalCustomMetadata()) return true; 2874f633a065de959b32892c51d741d4db010c5d25b1Devang Patel } else { 2875f633a065de959b32892c51d741d4db010c5d25b1Devang Patel // The normal case is one return value. 2876f633a065de959b32892c51d741d4db010c5d25b1Devang Patel // FIXME: LLVM 3.0 remove MRV support for 'ret i32 1, i32 2', requiring use 2877f633a065de959b32892c51d741d4db010c5d25b1Devang Patel // of 'ret {i32,i32} {i32 1, i32 2}' 2878f633a065de959b32892c51d741d4db010c5d25b1Devang Patel SmallVector<Value*, 8> RVs; 2879f633a065de959b32892c51d741d4db010c5d25b1Devang Patel RVs.push_back(RV); 2880a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 2881f633a065de959b32892c51d741d4db010c5d25b1Devang Patel do { 28820475c9170e9621292a48c688c3976031be5650bbDevang Patel // If optional custom metadata, e.g. !dbg is seen then this is the 28830475c9170e9621292a48c688c3976031be5650bbDevang Patel // end of MRV. 28840475c9170e9621292a48c688c3976031be5650bbDevang Patel if (Lex.getKind() == lltok::NamedOrCustomMD) 2885a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar break; 2886a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar if (ParseTypeAndValue(RV, PFS)) return true; 2887a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar RVs.push_back(RV); 2888f633a065de959b32892c51d741d4db010c5d25b1Devang Patel } while (EatIfPresent(lltok::comma)); 2889f633a065de959b32892c51d741d4db010c5d25b1Devang Patel 2890f633a065de959b32892c51d741d4db010c5d25b1Devang Patel RV = UndefValue::get(PFS.getFunction().getReturnType()); 2891f633a065de959b32892c51d741d4db010c5d25b1Devang Patel for (unsigned i = 0, e = RVs.size(); i != e; ++i) { 2892a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar Instruction *I = InsertValueInst::Create(RV, RVs[i], i, "mrv"); 2893a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar BB->getInstList().push_back(I); 2894a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar RV = I; 2895f633a065de959b32892c51d741d4db010c5d25b1Devang Patel } 2896df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 2897df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 2898f633a065de959b32892c51d741d4db010c5d25b1Devang Patel if (EatIfPresent(lltok::comma)) 28990475c9170e9621292a48c688c3976031be5650bbDevang Patel if (ParseOptionalCustomMetadata()) return true; 2900f633a065de959b32892c51d741d4db010c5d25b1Devang Patel 29011d0be15f89cb5056e20e2d24faa8d6afb1573bcaOwen Anderson Inst = ReturnInst::Create(Context, RV); 2902df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 2903df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 2904df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 2905df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 2906df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ParseBr 2907df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= 'br' TypeAndValue 2908df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= 'br' TypeAndValue ',' TypeAndValue ',' TypeAndValue 2909df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ParseBr(Instruction *&Inst, PerFunctionState &PFS) { 2910df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner LocTy Loc, Loc2; 2911df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Value *Op0, *Op1, *Op2; 2912df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseTypeAndValue(Op0, Loc, PFS)) return true; 2913a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 2914df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (BasicBlock *BB = dyn_cast<BasicBlock>(Op0)) { 2915df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Inst = BranchInst::Create(BB); 2916df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 2917df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 2918a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 29191d0be15f89cb5056e20e2d24faa8d6afb1573bcaOwen Anderson if (Op0->getType() != Type::getInt1Ty(Context)) 2920df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(Loc, "branch condition must have 'i1' type"); 2921a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 2922df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseToken(lltok::comma, "expected ',' after branch condition") || 2923df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseTypeAndValue(Op1, Loc, PFS) || 2924df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseToken(lltok::comma, "expected ',' after true destination") || 2925df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseTypeAndValue(Op2, Loc2, PFS)) 2926df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 2927a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 2928df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!isa<BasicBlock>(Op1)) 2929df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(Loc, "true destination of branch must be a basic block"); 2930df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!isa<BasicBlock>(Op2)) 2931df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(Loc2, "true destination of branch must be a basic block"); 2932a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 2933df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Inst = BranchInst::Create(cast<BasicBlock>(Op1), cast<BasicBlock>(Op2), Op0); 2934df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 2935df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 2936df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 2937df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ParseSwitch 2938df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// Instruction 2939df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= 'switch' TypeAndValue ',' TypeAndValue '[' JumpTable ']' 2940df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// JumpTable 2941df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= (TypeAndValue ',' TypeAndValue)* 2942df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ParseSwitch(Instruction *&Inst, PerFunctionState &PFS) { 2943df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner LocTy CondLoc, BBLoc; 2944df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Value *Cond, *DefaultBB; 2945df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseTypeAndValue(Cond, CondLoc, PFS) || 2946df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseToken(lltok::comma, "expected ',' after switch condition") || 2947df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseTypeAndValue(DefaultBB, BBLoc, PFS) || 2948df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseToken(lltok::lsquare, "expected '[' with switch table")) 2949df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 2950df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 2951df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!isa<IntegerType>(Cond->getType())) 2952df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(CondLoc, "switch condition must have integer type"); 2953df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!isa<BasicBlock>(DefaultBB)) 2954df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(BBLoc, "default destination must be a basic block"); 2955a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 2956df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Parse the jump table pairs. 2957df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner SmallPtrSet<Value*, 32> SeenCases; 2958df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner SmallVector<std::pair<ConstantInt*, BasicBlock*>, 32> Table; 2959df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner while (Lex.getKind() != lltok::rsquare) { 2960df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Value *Constant, *DestBB; 2961a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 2962df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseTypeAndValue(Constant, CondLoc, PFS) || 2963df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseToken(lltok::comma, "expected ',' after case value") || 2964df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseTypeAndValue(DestBB, BBLoc, PFS)) 2965df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 2966df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 2967df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!SeenCases.insert(Constant)) 2968df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(CondLoc, "duplicate case value in switch"); 2969df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!isa<ConstantInt>(Constant)) 2970df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(CondLoc, "case value is not a constant integer"); 2971df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!isa<BasicBlock>(DestBB)) 2972df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(BBLoc, "case destination is not a basic block"); 2973a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 2974df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Table.push_back(std::make_pair(cast<ConstantInt>(Constant), 2975df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner cast<BasicBlock>(DestBB))); 2976df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 2977a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 2978df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Lex.Lex(); // Eat the ']'. 2979a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 2980df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner SwitchInst *SI = SwitchInst::Create(Cond, cast<BasicBlock>(DefaultBB), 2981df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Table.size()); 2982df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner for (unsigned i = 0, e = Table.size(); i != e; ++i) 2983df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner SI->addCase(Table[i].first, Table[i].second); 2984df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Inst = SI; 2985df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 2986df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 2987df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 2988df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ParseInvoke 2989df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= 'invoke' OptionalCallingConv OptionalAttrs Type Value ParamList 2990df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// OptionalAttrs 'to' TypeAndValue 'unwind' TypeAndValue 2991df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ParseInvoke(Instruction *&Inst, PerFunctionState &PFS) { 2992df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner LocTy CallLoc = Lex.getLoc(); 299365c3c8f323198b99b88b109654194540cf9b3fa5Sandeep Patel unsigned RetAttrs, FnAttrs; 299465c3c8f323198b99b88b109654194540cf9b3fa5Sandeep Patel CallingConv::ID CC; 29951d0be15f89cb5056e20e2d24faa8d6afb1573bcaOwen Anderson PATypeHolder RetType(Type::getVoidTy(Context)); 2996df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner LocTy RetTypeLoc; 2997df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ValID CalleeID; 2998df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner SmallVector<ParamInfo, 16> ArgList; 2999df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 3000df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Value *NormalBB, *UnwindBB; 3001df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseOptionalCallingConv(CC) || 3002df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseOptionalAttrs(RetAttrs, 1) || 3003a9a9e07d1c5d3c73835e716d81c2ec94ad0b865fChris Lattner ParseType(RetType, RetTypeLoc, true /*void allowed*/) || 3004df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseValID(CalleeID) || 3005df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseParameterList(ArgList, PFS) || 3006df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseOptionalAttrs(FnAttrs, 2) || 3007df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseToken(lltok::kw_to, "expected 'to' in invoke") || 3008df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseTypeAndValue(NormalBB, PFS) || 3009df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseToken(lltok::kw_unwind, "expected 'unwind' in invoke") || 3010df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseTypeAndValue(UnwindBB, PFS)) 3011df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 3012a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3013df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!isa<BasicBlock>(NormalBB)) 3014df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(CallLoc, "normal destination is not a basic block"); 3015df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!isa<BasicBlock>(UnwindBB)) 3016df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(CallLoc, "unwind destination is not a basic block"); 3017a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3018df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // If RetType is a non-function pointer type, then this is the short syntax 3019df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // for the call, which means that RetType is just the return type. Infer the 3020df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // rest of the function argument types from the arguments that are present. 3021df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner const PointerType *PFTy = 0; 3022df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner const FunctionType *Ty = 0; 3023df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!(PFTy = dyn_cast<PointerType>(RetType)) || 3024df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner !(Ty = dyn_cast<FunctionType>(PFTy->getElementType()))) { 3025df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Pull out the types of all of the arguments... 3026df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner std::vector<const Type*> ParamTypes; 3027df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner for (unsigned i = 0, e = ArgList.size(); i != e; ++i) 3028df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParamTypes.push_back(ArgList[i].V->getType()); 3029a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3030df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!FunctionType::isValidReturnType(RetType)) 3031df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(RetTypeLoc, "Invalid result type for LLVM function"); 3032a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3033debcb01b0f0a15f568ca69e8f288fade4bfc7297Owen Anderson Ty = FunctionType::get(RetType, ParamTypes, false); 3034debcb01b0f0a15f568ca69e8f288fade4bfc7297Owen Anderson PFTy = PointerType::getUnqual(Ty); 3035df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 3036a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3037df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Look up the callee. 3038df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Value *Callee; 3039df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ConvertValIDToValue(PFTy, CalleeID, Callee, PFS)) return true; 3040a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3041df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // FIXME: In LLVM 3.0, stop accepting zext, sext and inreg as optional 3042df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // function attributes. 3043df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner unsigned ObsoleteFuncAttrs = Attribute::ZExt|Attribute::SExt|Attribute::InReg; 3044df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (FnAttrs & ObsoleteFuncAttrs) { 3045df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner RetAttrs |= FnAttrs & ObsoleteFuncAttrs; 3046df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner FnAttrs &= ~ObsoleteFuncAttrs; 3047df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 3048a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3049df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Set up the Attributes for the function. 3050df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner SmallVector<AttributeWithIndex, 8> Attrs; 3051df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (RetAttrs != Attribute::None) 3052df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Attrs.push_back(AttributeWithIndex::get(0, RetAttrs)); 3053a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3054df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner SmallVector<Value*, 8> Args; 3055a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3056df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Loop through FunctionType's arguments and ensure they are specified 3057df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // correctly. Also, gather any parameter attributes. 3058df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner FunctionType::param_iterator I = Ty->param_begin(); 3059df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner FunctionType::param_iterator E = Ty->param_end(); 3060df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner for (unsigned i = 0, e = ArgList.size(); i != e; ++i) { 3061df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner const Type *ExpectedTy = 0; 3062df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (I != E) { 3063df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ExpectedTy = *I++; 3064df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } else if (!Ty->isVarArg()) { 3065df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(ArgList[i].Loc, "too many arguments specified"); 3066df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 3067a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3068df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ExpectedTy && ExpectedTy != ArgList[i].V->getType()) 3069df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(ArgList[i].Loc, "argument is not of expected type '" + 3070df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ExpectedTy->getDescription() + "'"); 3071df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Args.push_back(ArgList[i].V); 3072df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ArgList[i].Attrs != Attribute::None) 3073df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Attrs.push_back(AttributeWithIndex::get(i+1, ArgList[i].Attrs)); 3074df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 3075a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3076df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (I != E) 3077df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(CallLoc, "not enough parameters specified for call"); 3078a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3079df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (FnAttrs != Attribute::None) 3080df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Attrs.push_back(AttributeWithIndex::get(~0, FnAttrs)); 3081a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3082df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Finish off the Attributes and check them 3083df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner AttrListPtr PAL = AttrListPtr::get(Attrs.begin(), Attrs.end()); 3084a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3085df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner InvokeInst *II = InvokeInst::Create(Callee, cast<BasicBlock>(NormalBB), 3086df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner cast<BasicBlock>(UnwindBB), 3087df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Args.begin(), Args.end()); 3088df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner II->setCallingConv(CC); 3089df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner II->setAttributes(PAL); 3090df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Inst = II; 3091df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 3092df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 3093df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 3094df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 3095df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 3096df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner//===----------------------------------------------------------------------===// 3097df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner// Binary Operators. 3098df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner//===----------------------------------------------------------------------===// 3099df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 3100df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ParseArithmetic 3101e914b59c008745204c49fcf0751f9cc4d91f44bbChris Lattner/// ::= ArithmeticOps TypeAndValue ',' Value 3102e914b59c008745204c49fcf0751f9cc4d91f44bbChris Lattner/// 3103e914b59c008745204c49fcf0751f9cc4d91f44bbChris Lattner/// If OperandType is 0, then any FP or integer operand is allowed. If it is 1, 3104e914b59c008745204c49fcf0751f9cc4d91f44bbChris Lattner/// then any integer operand is allowed, if it is 2, any fp operand is allowed. 3105df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ParseArithmetic(Instruction *&Inst, PerFunctionState &PFS, 3106e914b59c008745204c49fcf0751f9cc4d91f44bbChris Lattner unsigned Opc, unsigned OperandType) { 3107df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner LocTy Loc; Value *LHS, *RHS; 3108df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseTypeAndValue(LHS, Loc, PFS) || 3109df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseToken(lltok::comma, "expected ',' in arithmetic operation") || 3110df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseValue(LHS->getType(), RHS, PFS)) 3111df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 3112df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 3113e914b59c008745204c49fcf0751f9cc4d91f44bbChris Lattner bool Valid; 3114e914b59c008745204c49fcf0751f9cc4d91f44bbChris Lattner switch (OperandType) { 3115c23197a26f34f559ea9797de51e187087c039c42Torok Edwin default: llvm_unreachable("Unknown operand type!"); 3116e914b59c008745204c49fcf0751f9cc4d91f44bbChris Lattner case 0: // int or FP. 3117e914b59c008745204c49fcf0751f9cc4d91f44bbChris Lattner Valid = LHS->getType()->isIntOrIntVector() || 3118e914b59c008745204c49fcf0751f9cc4d91f44bbChris Lattner LHS->getType()->isFPOrFPVector(); 3119e914b59c008745204c49fcf0751f9cc4d91f44bbChris Lattner break; 3120e914b59c008745204c49fcf0751f9cc4d91f44bbChris Lattner case 1: Valid = LHS->getType()->isIntOrIntVector(); break; 3121e914b59c008745204c49fcf0751f9cc4d91f44bbChris Lattner case 2: Valid = LHS->getType()->isFPOrFPVector(); break; 3122e914b59c008745204c49fcf0751f9cc4d91f44bbChris Lattner } 3123a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3124e914b59c008745204c49fcf0751f9cc4d91f44bbChris Lattner if (!Valid) 3125e914b59c008745204c49fcf0751f9cc4d91f44bbChris Lattner return Error(Loc, "invalid operand type for instruction"); 3126a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3127df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Inst = BinaryOperator::Create((Instruction::BinaryOps)Opc, LHS, RHS); 3128df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 3129df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 3130df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 3131df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ParseLogical 3132df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= ArithmeticOps TypeAndValue ',' Value { 3133df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ParseLogical(Instruction *&Inst, PerFunctionState &PFS, 3134df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner unsigned Opc) { 3135df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner LocTy Loc; Value *LHS, *RHS; 3136df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseTypeAndValue(LHS, Loc, PFS) || 3137df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseToken(lltok::comma, "expected ',' in logical operation") || 3138df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseValue(LHS->getType(), RHS, PFS)) 3139df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 3140df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 3141df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!LHS->getType()->isIntOrIntVector()) 3142df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(Loc,"instruction requires integer or integer vector operands"); 3143df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 3144df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Inst = BinaryOperator::Create((Instruction::BinaryOps)Opc, LHS, RHS); 3145df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 3146df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 3147df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 3148df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 3149df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ParseCompare 3150df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= 'icmp' IPredicates TypeAndValue ',' Value 3151df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= 'fcmp' FPredicates TypeAndValue ',' Value 3152df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ParseCompare(Instruction *&Inst, PerFunctionState &PFS, 3153df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner unsigned Opc) { 3154df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Parse the integer/fp comparison predicate. 3155df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner LocTy Loc; 3156df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner unsigned Pred; 3157df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Value *LHS, *RHS; 3158df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseCmpPredicate(Pred, Opc) || 3159df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseTypeAndValue(LHS, Loc, PFS) || 3160df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseToken(lltok::comma, "expected ',' after compare value") || 3161df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseValue(LHS->getType(), RHS, PFS)) 3162df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 3163a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3164df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (Opc == Instruction::FCmp) { 3165df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!LHS->getType()->isFPOrFPVector()) 3166df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(Loc, "fcmp requires floating point operands"); 31671c8a23c440b1665ba422778cdc74a0c59ecaf39eDan Gohman Inst = new FCmpInst(CmpInst::Predicate(Pred), LHS, RHS); 31687f6aa2b162e5daaf7b9ccf05d749597d3d7cf460Nick Lewycky } else { 31697f6aa2b162e5daaf7b9ccf05d749597d3d7cf460Nick Lewycky assert(Opc == Instruction::ICmp && "Unknown opcode for CmpInst!"); 3170df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!LHS->getType()->isIntOrIntVector() && 3171df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner !isa<PointerType>(LHS->getType())) 3172df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(Loc, "icmp requires integer operands"); 31731c8a23c440b1665ba422778cdc74a0c59ecaf39eDan Gohman Inst = new ICmpInst(CmpInst::Predicate(Pred), LHS, RHS); 3174df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 3175df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 3176df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 3177df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 3178df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner//===----------------------------------------------------------------------===// 3179df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner// Other Instructions. 3180df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner//===----------------------------------------------------------------------===// 3181df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 3182df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 3183df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ParseCast 3184df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= CastOpc TypeAndValue 'to' Type 3185df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ParseCast(Instruction *&Inst, PerFunctionState &PFS, 3186df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner unsigned Opc) { 3187df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner LocTy Loc; Value *Op; 31881d0be15f89cb5056e20e2d24faa8d6afb1573bcaOwen Anderson PATypeHolder DestTy(Type::getVoidTy(Context)); 3189df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseTypeAndValue(Op, Loc, PFS) || 3190df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseToken(lltok::kw_to, "expected 'to' after cast value") || 3191df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseType(DestTy)) 3192df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 3193a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3194f6f0bdfec336b596b095b4db8126149bbb33fec1Chris Lattner if (!CastInst::castIsValid((Instruction::CastOps)Opc, Op, DestTy)) { 3195f6f0bdfec336b596b095b4db8126149bbb33fec1Chris Lattner CastInst::castIsValid((Instruction::CastOps)Opc, Op, DestTy); 3196df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(Loc, "invalid cast opcode for cast from '" + 3197df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Op->getType()->getDescription() + "' to '" + 3198df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner DestTy->getDescription() + "'"); 3199f6f0bdfec336b596b095b4db8126149bbb33fec1Chris Lattner } 3200df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Inst = CastInst::Create((Instruction::CastOps)Opc, Op, DestTy); 3201df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 3202df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 3203df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 3204df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ParseSelect 3205df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= 'select' TypeAndValue ',' TypeAndValue ',' TypeAndValue 3206df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ParseSelect(Instruction *&Inst, PerFunctionState &PFS) { 3207df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner LocTy Loc; 3208df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Value *Op0, *Op1, *Op2; 3209df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseTypeAndValue(Op0, Loc, PFS) || 3210df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseToken(lltok::comma, "expected ',' after select condition") || 3211df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseTypeAndValue(Op1, PFS) || 3212df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseToken(lltok::comma, "expected ',' after select value") || 3213df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseTypeAndValue(Op2, PFS)) 3214df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 3215a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3216df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (const char *Reason = SelectInst::areInvalidOperands(Op0, Op1, Op2)) 3217df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(Loc, Reason); 3218a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3219df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Inst = SelectInst::Create(Op0, Op1, Op2); 3220df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 3221df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 3222df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 32230088a5cc722b9e32820d31c70175a7650ad4772dChris Lattner/// ParseVA_Arg 32240088a5cc722b9e32820d31c70175a7650ad4772dChris Lattner/// ::= 'va_arg' TypeAndValue ',' Type 32250088a5cc722b9e32820d31c70175a7650ad4772dChris Lattnerbool LLParser::ParseVA_Arg(Instruction *&Inst, PerFunctionState &PFS) { 3226df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Value *Op; 32271d0be15f89cb5056e20e2d24faa8d6afb1573bcaOwen Anderson PATypeHolder EltTy(Type::getVoidTy(Context)); 32280088a5cc722b9e32820d31c70175a7650ad4772dChris Lattner LocTy TypeLoc; 3229df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseTypeAndValue(Op, PFS) || 3230df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseToken(lltok::comma, "expected ',' after vaarg operand") || 32310088a5cc722b9e32820d31c70175a7650ad4772dChris Lattner ParseType(EltTy, TypeLoc)) 3232df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 3233a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 32340088a5cc722b9e32820d31c70175a7650ad4772dChris Lattner if (!EltTy->isFirstClassType()) 32350088a5cc722b9e32820d31c70175a7650ad4772dChris Lattner return Error(TypeLoc, "va_arg requires operand with first class type"); 3236df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 3237df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Inst = new VAArgInst(Op, EltTy); 3238df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 3239df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 3240df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 3241df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ParseExtractElement 3242df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= 'extractelement' TypeAndValue ',' TypeAndValue 3243df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ParseExtractElement(Instruction *&Inst, PerFunctionState &PFS) { 3244df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner LocTy Loc; 3245df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Value *Op0, *Op1; 3246df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseTypeAndValue(Op0, Loc, PFS) || 3247df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseToken(lltok::comma, "expected ',' after extract value") || 3248df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseTypeAndValue(Op1, PFS)) 3249df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 3250a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3251df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!ExtractElementInst::isValidOperands(Op0, Op1)) 3252df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(Loc, "invalid extractelement operands"); 3253a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3254a3500da5592aee83675d6714d4f1e9d5ad96d1f2Eric Christopher Inst = ExtractElementInst::Create(Op0, Op1); 3255df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 3256df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 3257df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 3258df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ParseInsertElement 3259df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= 'insertelement' TypeAndValue ',' TypeAndValue ',' TypeAndValue 3260df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ParseInsertElement(Instruction *&Inst, PerFunctionState &PFS) { 3261df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner LocTy Loc; 3262df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Value *Op0, *Op1, *Op2; 3263df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseTypeAndValue(Op0, Loc, PFS) || 3264df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseToken(lltok::comma, "expected ',' after insertelement value") || 3265df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseTypeAndValue(Op1, PFS) || 3266df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseToken(lltok::comma, "expected ',' after insertelement value") || 3267df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseTypeAndValue(Op2, PFS)) 3268df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 3269a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3270df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!InsertElementInst::isValidOperands(Op0, Op1, Op2)) 32710aaf4e91c2961585c160af0cc87f040301aafbd2Eric Christopher return Error(Loc, "invalid insertelement operands"); 3272a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3273df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Inst = InsertElementInst::Create(Op0, Op1, Op2); 3274df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 3275df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 3276df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 3277df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ParseShuffleVector 3278df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= 'shufflevector' TypeAndValue ',' TypeAndValue ',' TypeAndValue 3279df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ParseShuffleVector(Instruction *&Inst, PerFunctionState &PFS) { 3280df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner LocTy Loc; 3281df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Value *Op0, *Op1, *Op2; 3282df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseTypeAndValue(Op0, Loc, PFS) || 3283df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseToken(lltok::comma, "expected ',' after shuffle mask") || 3284df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseTypeAndValue(Op1, PFS) || 3285df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseToken(lltok::comma, "expected ',' after shuffle value") || 3286df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseTypeAndValue(Op2, PFS)) 3287df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 3288a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3289df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!ShuffleVectorInst::isValidOperands(Op0, Op1, Op2)) 3290df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(Loc, "invalid extractelement operands"); 3291a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3292df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Inst = new ShuffleVectorInst(Op0, Op1, Op2); 3293df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 3294df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 3295df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 3296df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ParsePHI 32973e0c99a26f365bddb667124db40a5734e35c5a2dVictor Hernandez/// ::= 'phi' Type '[' Value ',' Value ']' (',' '[' Value ',' Valueß ']')* 3298df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ParsePHI(Instruction *&Inst, PerFunctionState &PFS) { 32991d0be15f89cb5056e20e2d24faa8d6afb1573bcaOwen Anderson PATypeHolder Ty(Type::getVoidTy(Context)); 3300df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Value *Op0, *Op1; 3301df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner LocTy TypeLoc = Lex.getLoc(); 3302a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3303df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseType(Ty) || 3304df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseToken(lltok::lsquare, "expected '[' in phi value list") || 3305df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseValue(Ty, Op0, PFS) || 3306df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseToken(lltok::comma, "expected ',' after insertelement value") || 33071d0be15f89cb5056e20e2d24faa8d6afb1573bcaOwen Anderson ParseValue(Type::getLabelTy(Context), Op1, PFS) || 3308df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseToken(lltok::rsquare, "expected ']' in phi value list")) 3309df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 3310a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3311df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner SmallVector<std::pair<Value*, BasicBlock*>, 16> PHIVals; 3312df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner while (1) { 3313df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner PHIVals.push_back(std::make_pair(Op0, cast<BasicBlock>(Op1))); 3314a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 33153ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner if (!EatIfPresent(lltok::comma)) 3316df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner break; 3317df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 3318a43d46f523dff4b784ee28a3b196a065a15d90f2Devang Patel if (Lex.getKind() == lltok::NamedOrCustomMD) 3319a43d46f523dff4b784ee28a3b196a065a15d90f2Devang Patel break; 3320a43d46f523dff4b784ee28a3b196a065a15d90f2Devang Patel 33213ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner if (ParseToken(lltok::lsquare, "expected '[' in phi value list") || 3322df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseValue(Ty, Op0, PFS) || 3323df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseToken(lltok::comma, "expected ',' after insertelement value") || 33241d0be15f89cb5056e20e2d24faa8d6afb1573bcaOwen Anderson ParseValue(Type::getLabelTy(Context), Op1, PFS) || 3325df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseToken(lltok::rsquare, "expected ']' in phi value list")) 3326df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 3327df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 3328a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3329a43d46f523dff4b784ee28a3b196a065a15d90f2Devang Patel if (Lex.getKind() == lltok::NamedOrCustomMD) 3330a43d46f523dff4b784ee28a3b196a065a15d90f2Devang Patel if (ParseOptionalCustomMetadata()) return true; 3331a43d46f523dff4b784ee28a3b196a065a15d90f2Devang Patel 3332df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!Ty->isFirstClassType()) 3333df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(TypeLoc, "phi node must have first class type"); 3334df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 3335df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner PHINode *PN = PHINode::Create(Ty); 3336df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner PN->reserveOperandSpace(PHIVals.size()); 3337df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner for (unsigned i = 0, e = PHIVals.size(); i != e; ++i) 3338df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner PN->addIncoming(PHIVals[i].first, PHIVals[i].second); 3339df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Inst = PN; 3340df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 3341df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 3342df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 3343df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ParseCall 3344df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= 'tail'? 'call' OptionalCallingConv OptionalAttrs Type Value 3345df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ParameterList OptionalAttrs 3346df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ParseCall(Instruction *&Inst, PerFunctionState &PFS, 3347df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner bool isTail) { 334865c3c8f323198b99b88b109654194540cf9b3fa5Sandeep Patel unsigned RetAttrs, FnAttrs; 334965c3c8f323198b99b88b109654194540cf9b3fa5Sandeep Patel CallingConv::ID CC; 33501d0be15f89cb5056e20e2d24faa8d6afb1573bcaOwen Anderson PATypeHolder RetType(Type::getVoidTy(Context)); 3351df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner LocTy RetTypeLoc; 3352df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ValID CalleeID; 3353df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner SmallVector<ParamInfo, 16> ArgList; 3354df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner LocTy CallLoc = Lex.getLoc(); 3355a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3356df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if ((isTail && ParseToken(lltok::kw_call, "expected 'tail call'")) || 3357df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseOptionalCallingConv(CC) || 3358df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseOptionalAttrs(RetAttrs, 1) || 3359a9a9e07d1c5d3c73835e716d81c2ec94ad0b865fChris Lattner ParseType(RetType, RetTypeLoc, true /*void allowed*/) || 3360df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseValID(CalleeID) || 3361df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseParameterList(ArgList, PFS) || 3362df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseOptionalAttrs(FnAttrs, 2)) 3363df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 3364a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3365df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // If RetType is a non-function pointer type, then this is the short syntax 3366df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // for the call, which means that RetType is just the return type. Infer the 3367df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // rest of the function argument types from the arguments that are present. 3368df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner const PointerType *PFTy = 0; 3369df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner const FunctionType *Ty = 0; 3370df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!(PFTy = dyn_cast<PointerType>(RetType)) || 3371df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner !(Ty = dyn_cast<FunctionType>(PFTy->getElementType()))) { 3372df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Pull out the types of all of the arguments... 3373df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner std::vector<const Type*> ParamTypes; 3374df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner for (unsigned i = 0, e = ArgList.size(); i != e; ++i) 3375df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParamTypes.push_back(ArgList[i].V->getType()); 3376a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3377df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!FunctionType::isValidReturnType(RetType)) 3378df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(RetTypeLoc, "Invalid result type for LLVM function"); 3379a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3380debcb01b0f0a15f568ca69e8f288fade4bfc7297Owen Anderson Ty = FunctionType::get(RetType, ParamTypes, false); 3381debcb01b0f0a15f568ca69e8f288fade4bfc7297Owen Anderson PFTy = PointerType::getUnqual(Ty); 3382df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 3383a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3384df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Look up the callee. 3385df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Value *Callee; 3386df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ConvertValIDToValue(PFTy, CalleeID, Callee, PFS)) return true; 3387a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3388df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // FIXME: In LLVM 3.0, stop accepting zext, sext and inreg as optional 3389df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // function attributes. 3390df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner unsigned ObsoleteFuncAttrs = Attribute::ZExt|Attribute::SExt|Attribute::InReg; 3391df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (FnAttrs & ObsoleteFuncAttrs) { 3392df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner RetAttrs |= FnAttrs & ObsoleteFuncAttrs; 3393df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner FnAttrs &= ~ObsoleteFuncAttrs; 3394df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 3395df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 3396df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Set up the Attributes for the function. 3397df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner SmallVector<AttributeWithIndex, 8> Attrs; 3398df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (RetAttrs != Attribute::None) 3399df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Attrs.push_back(AttributeWithIndex::get(0, RetAttrs)); 3400a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3401df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner SmallVector<Value*, 8> Args; 3402a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3403df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Loop through FunctionType's arguments and ensure they are specified 3404df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // correctly. Also, gather any parameter attributes. 3405df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner FunctionType::param_iterator I = Ty->param_begin(); 3406df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner FunctionType::param_iterator E = Ty->param_end(); 3407df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner for (unsigned i = 0, e = ArgList.size(); i != e; ++i) { 3408df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner const Type *ExpectedTy = 0; 3409df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (I != E) { 3410df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ExpectedTy = *I++; 3411df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } else if (!Ty->isVarArg()) { 3412df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(ArgList[i].Loc, "too many arguments specified"); 3413df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 3414a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3415df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ExpectedTy && ExpectedTy != ArgList[i].V->getType()) 3416df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(ArgList[i].Loc, "argument is not of expected type '" + 3417df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ExpectedTy->getDescription() + "'"); 3418df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Args.push_back(ArgList[i].V); 3419df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ArgList[i].Attrs != Attribute::None) 3420df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Attrs.push_back(AttributeWithIndex::get(i+1, ArgList[i].Attrs)); 3421df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 3422a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3423df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (I != E) 3424df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(CallLoc, "not enough parameters specified for call"); 3425df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 3426df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (FnAttrs != Attribute::None) 3427df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Attrs.push_back(AttributeWithIndex::get(~0, FnAttrs)); 3428df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 3429df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner // Finish off the Attributes and check them 3430df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner AttrListPtr PAL = AttrListPtr::get(Attrs.begin(), Attrs.end()); 3431a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3432df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner CallInst *CI = CallInst::Create(Callee, Args.begin(), Args.end()); 3433df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner CI->setTailCall(isTail); 3434df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner CI->setCallingConv(CC); 3435df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner CI->setAttributes(PAL); 3436df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Inst = CI; 3437df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 3438df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 3439df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 3440df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner//===----------------------------------------------------------------------===// 3441df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner// Memory Instructions. 3442df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner//===----------------------------------------------------------------------===// 3443df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 3444df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ParseAlloc 3445f633a065de959b32892c51d741d4db010c5d25b1Devang Patel/// ::= 'malloc' Type (',' TypeAndValue)? (',' OptionalInfo)? 3446f633a065de959b32892c51d741d4db010c5d25b1Devang Patel/// ::= 'alloca' Type (',' TypeAndValue)? (',' OptionalInfo)? 3447df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ParseAlloc(Instruction *&Inst, PerFunctionState &PFS, 34483e0c99a26f365bddb667124db40a5734e35c5a2dVictor Hernandez unsigned Opc) { 34491d0be15f89cb5056e20e2d24faa8d6afb1573bcaOwen Anderson PATypeHolder Ty(Type::getVoidTy(Context)); 3450df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Value *Size = 0; 3451eeb4a84ac8d91fb1d5a7c484a1c7047409faee30Chris Lattner LocTy SizeLoc; 3452df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner unsigned Alignment = 0; 34533ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner if (ParseType(Ty)) return true; 3454df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 34553ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner if (EatIfPresent(lltok::comma)) { 34560475c9170e9621292a48c688c3976031be5650bbDevang Patel if (Lex.getKind() == lltok::kw_align 34570475c9170e9621292a48c688c3976031be5650bbDevang Patel || Lex.getKind() == lltok::NamedOrCustomMD) { 3458f633a065de959b32892c51d741d4db010c5d25b1Devang Patel if (ParseOptionalInfo(Alignment)) return true; 3459f633a065de959b32892c51d741d4db010c5d25b1Devang Patel } else { 3460f633a065de959b32892c51d741d4db010c5d25b1Devang Patel if (ParseTypeAndValue(Size, SizeLoc, PFS)) return true; 3461f633a065de959b32892c51d741d4db010c5d25b1Devang Patel if (EatIfPresent(lltok::comma)) 3462a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar if (ParseOptionalInfo(Alignment)) return true; 3463df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 3464df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 3465df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 34661d0be15f89cb5056e20e2d24faa8d6afb1573bcaOwen Anderson if (Size && Size->getType() != Type::getInt32Ty(Context)) 3467df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(SizeLoc, "element count must be i32"); 3468df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 34693e0c99a26f365bddb667124db40a5734e35c5a2dVictor Hernandez if (Opc == Instruction::Malloc) 34703e0c99a26f365bddb667124db40a5734e35c5a2dVictor Hernandez Inst = new MallocInst(Ty, Size, Alignment); 34713e0c99a26f365bddb667124db40a5734e35c5a2dVictor Hernandez else 347250dead06ffc107edb7e84857baaeeb09039c631cOwen Anderson Inst = new AllocaInst(Ty, Size, Alignment); 3473df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 3474df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 3475df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 3476df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ParseFree 3477df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= 'free' TypeAndValue 3478df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ParseFree(Instruction *&Inst, PerFunctionState &PFS) { 3479df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Value *Val; LocTy Loc; 3480df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseTypeAndValue(Val, Loc, PFS)) return true; 3481df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!isa<PointerType>(Val->getType())) 3482df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(Loc, "operand to free must be a pointer"); 3483df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Inst = new FreeInst(Val); 3484df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 3485df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 3486df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 3487df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ParseLoad 3488f633a065de959b32892c51d741d4db010c5d25b1Devang Patel/// ::= 'volatile'? 'load' TypeAndValue (',' OptionalInfo)? 3489df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ParseLoad(Instruction *&Inst, PerFunctionState &PFS, 3490df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner bool isVolatile) { 3491df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Value *Val; LocTy Loc; 3492f633a065de959b32892c51d741d4db010c5d25b1Devang Patel unsigned Alignment = 0; 3493f633a065de959b32892c51d741d4db010c5d25b1Devang Patel if (ParseTypeAndValue(Val, Loc, PFS)) return true; 3494a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3495f633a065de959b32892c51d741d4db010c5d25b1Devang Patel if (EatIfPresent(lltok::comma)) 3496f633a065de959b32892c51d741d4db010c5d25b1Devang Patel if (ParseOptionalInfo(Alignment)) return true; 3497df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 3498df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!isa<PointerType>(Val->getType()) || 3499df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner !cast<PointerType>(Val->getType())->getElementType()->isFirstClassType()) 3500df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(Loc, "load operand must be a pointer to a first class type"); 3501a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3502df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Inst = new LoadInst(Val, "", isVolatile, Alignment); 3503df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 3504df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 3505df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 3506df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ParseStore 3507a119de86a064414622562cfe32953de7f9b0ee40Dan Gohman/// ::= 'volatile'? 'store' TypeAndValue ',' TypeAndValue (',' 'align' i32)? 3508df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ParseStore(Instruction *&Inst, PerFunctionState &PFS, 3509df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner bool isVolatile) { 3510df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Value *Val, *Ptr; LocTy Loc, PtrLoc; 3511f633a065de959b32892c51d741d4db010c5d25b1Devang Patel unsigned Alignment = 0; 3512df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseTypeAndValue(Val, Loc, PFS) || 3513df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseToken(lltok::comma, "expected ',' after store operand") || 3514f633a065de959b32892c51d741d4db010c5d25b1Devang Patel ParseTypeAndValue(Ptr, PtrLoc, PFS)) 3515df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 3516f633a065de959b32892c51d741d4db010c5d25b1Devang Patel 3517f633a065de959b32892c51d741d4db010c5d25b1Devang Patel if (EatIfPresent(lltok::comma)) 3518f633a065de959b32892c51d741d4db010c5d25b1Devang Patel if (ParseOptionalInfo(Alignment)) return true; 3519a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3520df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!isa<PointerType>(Ptr->getType())) 3521df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(PtrLoc, "store operand must be a pointer"); 3522df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!Val->getType()->isFirstClassType()) 3523df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(Loc, "store operand must be a first class value"); 3524df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (cast<PointerType>(Ptr->getType())->getElementType() != Val->getType()) 3525df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(Loc, "stored value and pointer type do not match"); 3526a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3527df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Inst = new StoreInst(Val, Ptr, isVolatile, Alignment); 3528df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 3529df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 3530df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 3531df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ParseGetResult 3532a119de86a064414622562cfe32953de7f9b0ee40Dan Gohman/// ::= 'getresult' TypeAndValue ',' i32 3533df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// FIXME: Remove support for getresult in LLVM 3.0 3534df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ParseGetResult(Instruction *&Inst, PerFunctionState &PFS) { 3535df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Value *Val; LocTy ValLoc, EltLoc; 3536df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner unsigned Element; 3537df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseTypeAndValue(Val, ValLoc, PFS) || 3538df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseToken(lltok::comma, "expected ',' after getresult operand") || 35393ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner ParseUInt32(Element, EltLoc)) 3540df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 3541a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3542df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!isa<StructType>(Val->getType()) && !isa<ArrayType>(Val->getType())) 3543df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(ValLoc, "getresult inst requires an aggregate operand"); 3544df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!ExtractValueInst::getIndexedType(Val->getType(), Element)) 3545df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(EltLoc, "invalid getresult index for value"); 3546df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Inst = ExtractValueInst::Create(Val, Element); 3547df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 3548df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 3549df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 3550df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ParseGetElementPtr 3551dd8004dc73d091ccb3927dbbc3b41639a3738ae3Dan Gohman/// ::= 'getelementptr' 'inbounds'? TypeAndValue (',' TypeAndValue)* 3552df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ParseGetElementPtr(Instruction *&Inst, PerFunctionState &PFS) { 3553df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Value *Ptr, *Val; LocTy Loc, EltLoc; 3554dd8004dc73d091ccb3927dbbc3b41639a3738ae3Dan Gohman 3555dcb40a3c1c747c88c4e634e34d1b4d7533a86adaDan Gohman bool InBounds = EatIfPresent(lltok::kw_inbounds); 3556dd8004dc73d091ccb3927dbbc3b41639a3738ae3Dan Gohman 35573ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner if (ParseTypeAndValue(Ptr, Loc, PFS)) return true; 3558a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3559df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!isa<PointerType>(Ptr->getType())) 3560df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(Loc, "base of getelementptr must be a pointer"); 3561a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3562df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner SmallVector<Value*, 16> Indices; 35633ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner while (EatIfPresent(lltok::comma)) { 35646225d64ba244cdf4af3c44e113fc8c589fa39508Devang Patel if (Lex.getKind() == lltok::NamedOrCustomMD) 35656225d64ba244cdf4af3c44e113fc8c589fa39508Devang Patel break; 35663ed88efb03c63aae5542efcdfc5cedec9bc4c18aChris Lattner if (ParseTypeAndValue(Val, EltLoc, PFS)) return true; 3567df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!isa<IntegerType>(Val->getType())) 3568df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(EltLoc, "getelementptr index must be an integer"); 3569df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Indices.push_back(Val); 3570df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner } 35716225d64ba244cdf4af3c44e113fc8c589fa39508Devang Patel if (Lex.getKind() == lltok::NamedOrCustomMD) 35726225d64ba244cdf4af3c44e113fc8c589fa39508Devang Patel if (ParseOptionalCustomMetadata()) return true; 3573a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3574df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!GetElementPtrInst::getIndexedType(Ptr->getType(), 3575df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Indices.begin(), Indices.end())) 3576df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(Loc, "invalid getelementptr indices"); 3577df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Inst = GetElementPtrInst::Create(Ptr, Indices.begin(), Indices.end()); 3578dd8004dc73d091ccb3927dbbc3b41639a3738ae3Dan Gohman if (InBounds) 3579f8dbee7cea072eb63ae343759975109553697bcbDan Gohman cast<GetElementPtrInst>(Inst)->setIsInBounds(true); 3580df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 3581df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 3582df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 3583df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ParseExtractValue 3584df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= 'extractvalue' TypeAndValue (',' uint32)+ 3585df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ParseExtractValue(Instruction *&Inst, PerFunctionState &PFS) { 3586df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Value *Val; LocTy Loc; 3587df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner SmallVector<unsigned, 4> Indices; 3588df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseTypeAndValue(Val, Loc, PFS) || 3589df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseIndexList(Indices)) 3590df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 3591df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 3592df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!isa<StructType>(Val->getType()) && !isa<ArrayType>(Val->getType())) 3593df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(Loc, "extractvalue operand must be array or struct"); 3594df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 3595df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!ExtractValueInst::getIndexedType(Val->getType(), Indices.begin(), 3596df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Indices.end())) 3597df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(Loc, "invalid indices for extractvalue"); 3598df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Inst = ExtractValueInst::Create(Val, Indices.begin(), Indices.end()); 3599df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 3600df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 3601df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner 3602df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ParseInsertValue 3603df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner/// ::= 'insertvalue' TypeAndValue ',' TypeAndValue (',' uint32)+ 3604df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattnerbool LLParser::ParseInsertValue(Instruction *&Inst, PerFunctionState &PFS) { 3605df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Value *Val0, *Val1; LocTy Loc0, Loc1; 3606df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner SmallVector<unsigned, 4> Indices; 3607df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (ParseTypeAndValue(Val0, Loc0, PFS) || 3608df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseToken(lltok::comma, "expected comma after insertvalue operand") || 3609df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseTypeAndValue(Val1, Loc1, PFS) || 3610df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner ParseIndexList(Indices)) 3611df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return true; 3612a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3613df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!isa<StructType>(Val0->getType()) && !isa<ArrayType>(Val0->getType())) 3614df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(Loc0, "extractvalue operand must be array or struct"); 3615a279bc3da55691784064cb47200a1c584408b8abDaniel Dunbar 3616df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner if (!ExtractValueInst::getIndexedType(Val0->getType(), Indices.begin(), 3617df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Indices.end())) 3618df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return Error(Loc0, "invalid indices for insertvalue"); 3619df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner Inst = InsertValueInst::Create(Val0, Val1, Indices.begin(), Indices.end()); 3620df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner return false; 3621df98617b23315e427cc4fad8ccfdd50d68bec2f9Chris Lattner} 362221cc4460efa104e8591b05a90f20130291614344Nick Lewycky 362321cc4460efa104e8591b05a90f20130291614344Nick Lewycky//===----------------------------------------------------------------------===// 362421cc4460efa104e8591b05a90f20130291614344Nick Lewycky// Embedded metadata. 362521cc4460efa104e8591b05a90f20130291614344Nick Lewycky//===----------------------------------------------------------------------===// 362621cc4460efa104e8591b05a90f20130291614344Nick Lewycky 362721cc4460efa104e8591b05a90f20130291614344Nick Lewycky/// ParseMDNodeVector 3628cb33799b9f4e152e3460faa83e59b53ff604c87dNick Lewycky/// ::= Element (',' Element)* 3629cb33799b9f4e152e3460faa83e59b53ff604c87dNick Lewycky/// Element 3630cb33799b9f4e152e3460faa83e59b53ff604c87dNick Lewycky/// ::= 'null' | TypeAndValue 3631cb33799b9f4e152e3460faa83e59b53ff604c87dNick Lewyckybool LLParser::ParseMDNodeVector(SmallVectorImpl<Value*> &Elts) { 363221cc4460efa104e8591b05a90f20130291614344Nick Lewycky assert(Lex.getKind() == lltok::lbrace); 363321cc4460efa104e8591b05a90f20130291614344Nick Lewycky Lex.Lex(); 363421cc4460efa104e8591b05a90f20130291614344Nick Lewycky do { 3635db5e90078ea1034cf992e7d173517d1001f089cdDevang Patel Value *V = 0; 3636cb33799b9f4e152e3460faa83e59b53ff604c87dNick Lewycky if (Lex.getKind() == lltok::kw_null) { 3637cb33799b9f4e152e3460faa83e59b53ff604c87dNick Lewycky Lex.Lex(); 3638cb33799b9f4e152e3460faa83e59b53ff604c87dNick Lewycky V = 0; 3639cb33799b9f4e152e3460faa83e59b53ff604c87dNick Lewycky } else { 36401d0be15f89cb5056e20e2d24faa8d6afb1573bcaOwen Anderson PATypeHolder Ty(Type::getVoidTy(Context)); 3641e54abc90fe9942ef3902040a7ac475ce0c369dc9Devang Patel if (ParseType(Ty)) return true; 3642e54abc90fe9942ef3902040a7ac475ce0c369dc9Devang Patel if (Lex.getKind() == lltok::Metadata) { 3643e54abc90fe9942ef3902040a7ac475ce0c369dc9Devang Patel Lex.Lex(); 3644104cf9e02b0ed94d4173869a598af6c6972a8660Devang Patel MetadataBase *Node = 0; 3645e54abc90fe9942ef3902040a7ac475ce0c369dc9Devang Patel if (!ParseMDNode(Node)) 3646e54abc90fe9942ef3902040a7ac475ce0c369dc9Devang Patel V = Node; 3647e54abc90fe9942ef3902040a7ac475ce0c369dc9Devang Patel else { 3648e54abc90fe9942ef3902040a7ac475ce0c369dc9Devang Patel MetadataBase *MDS = 0; 3649e54abc90fe9942ef3902040a7ac475ce0c369dc9Devang Patel if (ParseMDString(MDS)) return true; 3650e54abc90fe9942ef3902040a7ac475ce0c369dc9Devang Patel V = MDS; 3651e54abc90fe9942ef3902040a7ac475ce0c369dc9Devang Patel } 3652e54abc90fe9942ef3902040a7ac475ce0c369dc9Devang Patel } else { 3653e54abc90fe9942ef3902040a7ac475ce0c369dc9Devang Patel Constant *C; 3654e54abc90fe9942ef3902040a7ac475ce0c369dc9Devang Patel if (ParseGlobalValue(Ty, C)) return true; 3655e54abc90fe9942ef3902040a7ac475ce0c369dc9Devang Patel V = C; 3656e54abc90fe9942ef3902040a7ac475ce0c369dc9Devang Patel } 3657cb33799b9f4e152e3460faa83e59b53ff604c87dNick Lewycky } 3658cb33799b9f4e152e3460faa83e59b53ff604c87dNick Lewycky Elts.push_back(V); 365921cc4460efa104e8591b05a90f20130291614344Nick Lewycky } while (EatIfPresent(lltok::comma)); 366021cc4460efa104e8591b05a90f20130291614344Nick Lewycky 366121cc4460efa104e8591b05a90f20130291614344Nick Lewycky return false; 366221cc4460efa104e8591b05a90f20130291614344Nick Lewycky} 3663