CodeGenFunction.h revision 2198ba12b73a8e6801d13f25de38031da6df46b6
1bd012ff1fa088181646a784f385b28867372d434Daniel Dunbar//===-- CodeGenFunction.h - Per-Function state for LLVM CodeGen -*- C++ -*-===// 25f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 35f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// The LLVM Compiler Infrastructure 45f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 50bc735ffcfb223c0186419547abaa5c84482663eChris Lattner// This file is distributed under the University of Illinois Open Source 60bc735ffcfb223c0186419547abaa5c84482663eChris Lattner// License. See LICENSE.TXT for details. 75f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 85f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 95f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 100dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump// This is the internal per-function state used for llvm translation. 115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 14ef52a2fb2ace36c92f88c6e125bd7defa17dafa5Chris Lattner#ifndef CLANG_CODEGEN_CODEGENFUNCTION_H 15ef52a2fb2ace36c92f88c6e125bd7defa17dafa5Chris Lattner#define CLANG_CODEGEN_CODEGENFUNCTION_H 165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 17391d77a26382dddf25da73e29fc1fa5aaaea4c6fChris Lattner#include "clang/AST/Type.h" 18e3a09e6ad09f8d1387ecaa008aaf85527909da0aArgyrios Kyrtzidis#include "clang/AST/ExprCXX.h" 195549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek#include "clang/AST/ExprObjC.h" 20481769b5dc102b0256b35581e787909ad5edfab5Chris Lattner#include "clang/Basic/TargetInfo.h" 21481769b5dc102b0256b35581e787909ad5edfab5Chris Lattner#include "llvm/ADT/DenseMap.h" 22481769b5dc102b0256b35581e787909ad5edfab5Chris Lattner#include "llvm/ADT/SmallVector.h" 23481769b5dc102b0256b35581e787909ad5edfab5Chris Lattner#include "llvm/Support/ValueHandle.h" 240ffb125996336fc7602b162c0a9e392f1a93060fDaniel Dunbar#include <map> 2569243825cb5c91ec7207256aa57ae327cfaf8cb2Owen Anderson#include "CodeGenModule.h" 2696bd13ae1ab89f5a04b3ad3ec8ec1864cbba3482Mike Stump#include "CGBlocks.h" 2745d196b8387dcefc4df26cda114fa34c6528e928Daniel Dunbar#include "CGBuilder.h" 280dbe227feccf6a8dbadfff8ca3f80416b7bf2f28Daniel Dunbar#include "CGCall.h" 29b14095aa98c6fedd3625920c4ce834bcaf24d9f7Anders Carlsson#include "CGCXX.h" 308f2926b73ed635afecd020da787af6a837601a2bDaniel Dunbar#include "CGValue.h" 318f2926b73ed635afecd020da787af6a837601a2bDaniel Dunbar 325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace llvm { 33c4a1dea2dc56bd1357ec91b829a0b9e68229a13eDaniel Dunbar class BasicBlock; 34f21efe9088a0b3eda1209d1706529f6cb2073092Benjamin Kramer class LLVMContext; 355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class Module; 36898d508d4c9e9d45914952473e39196b20830a9fDaniel Dunbar class SwitchInst; 37ed3849b456d64d124bddc7ac044f3ce590bd9d69Daniel Dunbar class Value; 385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace clang { 415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class ASTContext; 427267c1693abe7875b0c57268be05005ae013c6c9Anders Carlsson class CXXDestructorDecl; 435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class Decl; 44c4a1dea2dc56bd1357ec91b829a0b9e68229a13eDaniel Dunbar class EnumConstantDecl; 455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class FunctionDecl; 4672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor class FunctionProtoType; 47c4a1dea2dc56bd1357ec91b829a0b9e68229a13eDaniel Dunbar class LabelStmt; 48679a502d462ef819e6175b58e255ca3f3391e7cfFariborz Jahanian class ObjCContainerDecl; 4929e0bccf2bcce22b877f8b2ed173f564c116b97eDaniel Dunbar class ObjCInterfaceDecl; 5029e0bccf2bcce22b877f8b2ed173f564c116b97eDaniel Dunbar class ObjCIvarDecl; 51391d77a26382dddf25da73e29fc1fa5aaaea4c6fChris Lattner class ObjCMethodDecl; 52fef30b55230064d334a669a065a1c9acdb87cdfeFariborz Jahanian class ObjCImplementationDecl; 53af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar class ObjCPropertyImplDecl; 545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class TargetInfo; 55c4a1dea2dc56bd1357ec91b829a0b9e68229a13eDaniel Dunbar class VarDecl; 5616f0049415ec596504891259e2a83e19871c0d52Chris Lattner class ObjCForCollectionStmt; 5716f0049415ec596504891259e2a83e19871c0d52Chris Lattner class ObjCAtTryStmt; 5816f0049415ec596504891259e2a83e19871c0d52Chris Lattner class ObjCAtThrowStmt; 5916f0049415ec596504891259e2a83e19871c0d52Chris Lattner class ObjCAtSynchronizedStmt; 605549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek 615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace CodeGen { 625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class CodeGenModule; 63b84a06e68ffd71da22e3c75b6e4bbdba37816413Devang Patel class CodeGenTypes; 64e896d98548b02223c7740d807a0aa6e20fba7079Anders Carlsson class CGDebugInfo; 65bb36d331f439f49859efcfb4435c61762fbba6f9Daniel Dunbar class CGFunctionInfo; 660dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump class CGRecordLayout; 670dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// CodeGenFunction - This class organizes the per-function state that is used 695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// while generating LLVM code. 702a998148a6823c44d67da347c95eb2ea21f6b986Mike Stumpclass CodeGenFunction : public BlockFunction { 718a219ceda2b5afd447e7199b9c53079bead31b89Anders Carlsson CodeGenFunction(const CodeGenFunction&); // DO NOT IMPLEMENT 728a219ceda2b5afd447e7199b9c53079bead31b89Anders Carlsson void operator=(const CodeGenFunction&); // DO NOT IMPLEMENT 73bfc0c1ae4b505b52b36f572a9641f99e76879cabChris Lattnerpublic: 745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer CodeGenModule &CGM; // Per-module state. 755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer TargetInfo &Target; 760dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 7758dee10ed2eee34035f62d1c2d32b3639e9182f8Chris Lattner typedef std::pair<llvm::Value *, llvm::Value *> ComplexPairTy; 7845d196b8387dcefc4df26cda114fa34c6528e928Daniel Dunbar CGBuilderTy Builder; 790dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 80b5437d238752dc297e42410e98d38d5250fe0463Chris Lattner /// CurFuncDecl - Holds the Decl for the current function or ObjC method. 81b5437d238752dc297e42410e98d38d5250fe0463Chris Lattner /// This excludes BlockDecls. 824111024be81e7c0525e42dadcc126d27e5bf2425Chris Lattner const Decl *CurFuncDecl; 83b5437d238752dc297e42410e98d38d5250fe0463Chris Lattner /// CurCodeDecl - This is the inner-most code context, which includes blocks. 84b5437d238752dc297e42410e98d38d5250fe0463Chris Lattner const Decl *CurCodeDecl; 8588b5396b0897f28d22ae3debf4a0d97b33b6c362Daniel Dunbar const CGFunctionInfo *CurFnInfo; 86391d77a26382dddf25da73e29fc1fa5aaaea4c6fChris Lattner QualType FnRetTy; 875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::Function *CurFn; 885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 895ca2084cf9b529563209429857f01fdae9dcdfa5Daniel Dunbar /// ReturnBlock - Unified return block. 905ca2084cf9b529563209429857f01fdae9dcdfa5Daniel Dunbar llvm::BasicBlock *ReturnBlock; 910dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// ReturnValue - The temporary alloca to hold the return value. This is null 920dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// iff the function has no return value. 935ca2084cf9b529563209429857f01fdae9dcdfa5Daniel Dunbar llvm::Instruction *ReturnValue; 940dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// AllocaInsertPoint - This is an instruction in the entry block before which 965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// we prefer to insert allocas. 97481769b5dc102b0256b35581e787909ad5edfab5Chris Lattner llvm::AssertingVH<llvm::Instruction> AllocaInsertPt; 980ffb125996336fc7602b162c0a9e392f1a93060fDaniel Dunbar 995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const llvm::Type *LLVMIntTy; 1007b66000bdfc2684351fb03208e672f23012ed569Hartmut Kaiser uint32_t LLVMPointerWidth; 10118ccc7776ad6288c5f630dc7967fb99d099c9cd9Daniel Dunbar 10218ccc7776ad6288c5f630dc7967fb99d099c9cd9Daniel Dunbarpublic: 103fa1f756f88f4e6f3da2673082fdc1e8f54bccd6fAnders Carlsson /// ObjCEHValueStack - Stack of Objective-C exception values, used for 104fa1f756f88f4e6f3da2673082fdc1e8f54bccd6fAnders Carlsson /// rethrows. 105273558fbd891a0872e620e0d3d109b92c1160d72Anders Carlsson llvm::SmallVector<llvm::Value*, 8> ObjCEHValueStack; 1060dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 1076fc559136b8ef98bfb824a0fd49df385405f2879Anders Carlsson /// PushCleanupBlock - Push a new cleanup entry on the stack and set the 1086fc559136b8ef98bfb824a0fd49df385405f2879Anders Carlsson /// passed in block as the cleanup block. 1096fc559136b8ef98bfb824a0fd49df385405f2879Anders Carlsson void PushCleanupBlock(llvm::BasicBlock *CleanupBlock); 110bb66f9f2e454135b86462d121629275b6ac38e96Anders Carlsson 1110dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// CleanupBlockInfo - A struct representing a popped cleanup block. 112bb66f9f2e454135b86462d121629275b6ac38e96Anders Carlsson struct CleanupBlockInfo { 113bb66f9f2e454135b86462d121629275b6ac38e96Anders Carlsson /// CleanupBlock - the cleanup block 114bb66f9f2e454135b86462d121629275b6ac38e96Anders Carlsson llvm::BasicBlock *CleanupBlock; 1150dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 1160dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// SwitchBlock - the block (if any) containing the switch instruction used 1170dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// for jumping to the final destination. 118bb66f9f2e454135b86462d121629275b6ac38e96Anders Carlsson llvm::BasicBlock *SwitchBlock; 1190dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 120bb66f9f2e454135b86462d121629275b6ac38e96Anders Carlsson /// EndBlock - the default destination for the switch instruction. 121bb66f9f2e454135b86462d121629275b6ac38e96Anders Carlsson llvm::BasicBlock *EndBlock; 1220dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 1230dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump CleanupBlockInfo(llvm::BasicBlock *cb, llvm::BasicBlock *sb, 124bb66f9f2e454135b86462d121629275b6ac38e96Anders Carlsson llvm::BasicBlock *eb) 125bb66f9f2e454135b86462d121629275b6ac38e96Anders Carlsson : CleanupBlock(cb), SwitchBlock(sb), EndBlock(eb) {} 126bb66f9f2e454135b86462d121629275b6ac38e96Anders Carlsson }; 127bb66f9f2e454135b86462d121629275b6ac38e96Anders Carlsson 128bb66f9f2e454135b86462d121629275b6ac38e96Anders Carlsson /// PopCleanupBlock - Will pop the cleanup entry on the stack, process all 1290dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// branch fixups and return a block info struct with the switch block and end 1300dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// block. 131bb66f9f2e454135b86462d121629275b6ac38e96Anders Carlsson CleanupBlockInfo PopCleanupBlock(); 1320dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 1330dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// CleanupScope - RAII object that will create a cleanup block and set the 1340dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// insert point to that block. When destructed, it sets the insert point to 1350dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// the previous block and pushes a new cleanup entry on the stack. 1360d5c6851393d260dfb5ab0420b50adc173e1c549Anders Carlsson class CleanupScope { 1370d5c6851393d260dfb5ab0420b50adc173e1c549Anders Carlsson CodeGenFunction& CGF; 1380d5c6851393d260dfb5ab0420b50adc173e1c549Anders Carlsson llvm::BasicBlock *CurBB; 1396fc559136b8ef98bfb824a0fd49df385405f2879Anders Carlsson llvm::BasicBlock *CleanupBB; 1400dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 1410d5c6851393d260dfb5ab0420b50adc173e1c549Anders Carlsson public: 1420d5c6851393d260dfb5ab0420b50adc173e1c549Anders Carlsson CleanupScope(CodeGenFunction &cgf) 1430d5c6851393d260dfb5ab0420b50adc173e1c549Anders Carlsson : CGF(cgf), CurBB(CGF.Builder.GetInsertBlock()) { 1446fc559136b8ef98bfb824a0fd49df385405f2879Anders Carlsson CleanupBB = CGF.createBasicBlock("cleanup"); 1456fc559136b8ef98bfb824a0fd49df385405f2879Anders Carlsson CGF.Builder.SetInsertPoint(CleanupBB); 1460d5c6851393d260dfb5ab0420b50adc173e1c549Anders Carlsson } 1470dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 1480d5c6851393d260dfb5ab0420b50adc173e1c549Anders Carlsson ~CleanupScope() { 1496fc559136b8ef98bfb824a0fd49df385405f2879Anders Carlsson CGF.PushCleanupBlock(CleanupBB); 150d286f05f1234bac289173f0eed88d7ecbaea0099Daniel Dunbar // FIXME: This is silly, move this into the builder. 151d286f05f1234bac289173f0eed88d7ecbaea0099Daniel Dunbar if (CurBB) 152d286f05f1234bac289173f0eed88d7ecbaea0099Daniel Dunbar CGF.Builder.SetInsertPoint(CurBB); 153d286f05f1234bac289173f0eed88d7ecbaea0099Daniel Dunbar else 154d286f05f1234bac289173f0eed88d7ecbaea0099Daniel Dunbar CGF.Builder.ClearInsertionPoint(); 1550d5c6851393d260dfb5ab0420b50adc173e1c549Anders Carlsson } 1560d5c6851393d260dfb5ab0420b50adc173e1c549Anders Carlsson }; 1570d5c6851393d260dfb5ab0420b50adc173e1c549Anders Carlsson 158c71c845fe77ee1f891d60232ec320912d88557eeAnders Carlsson /// EmitCleanupBlocks - Takes the old cleanup stack size and emits the cleanup 159c71c845fe77ee1f891d60232ec320912d88557eeAnders Carlsson /// blocks that have been added. 160c71c845fe77ee1f891d60232ec320912d88557eeAnders Carlsson void EmitCleanupBlocks(size_t OldCleanupStackSize); 161c71c845fe77ee1f891d60232ec320912d88557eeAnders Carlsson 16287eaf17cc88516277e4389dfa15df93ecfdce559Anders Carlsson /// EmitBranchThroughCleanup - Emit a branch from the current insert block 16387eaf17cc88516277e4389dfa15df93ecfdce559Anders Carlsson /// through the cleanup handling code (if any) and then on to \arg Dest. 16487eaf17cc88516277e4389dfa15df93ecfdce559Anders Carlsson /// 1650dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// FIXME: Maybe this should really be in EmitBranch? Don't we always want 16687eaf17cc88516277e4389dfa15df93ecfdce559Anders Carlsson /// this behavior for branches? 16787eaf17cc88516277e4389dfa15df93ecfdce559Anders Carlsson void EmitBranchThroughCleanup(llvm::BasicBlock *Dest); 1680dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 1691d8475067d5b62ed5a57ba93862e23f3096a8bddAnders Carlsson /// PushConditionalTempDestruction - Should be called before a conditional 1701d8475067d5b62ed5a57ba93862e23f3096a8bddAnders Carlsson /// part of an expression is emitted. For example, before the RHS of the 1711d8475067d5b62ed5a57ba93862e23f3096a8bddAnders Carlsson /// expression below is emitted: 1721d8475067d5b62ed5a57ba93862e23f3096a8bddAnders Carlsson /// 1731d8475067d5b62ed5a57ba93862e23f3096a8bddAnders Carlsson /// b && f(T()); 1741d8475067d5b62ed5a57ba93862e23f3096a8bddAnders Carlsson /// 1751d8475067d5b62ed5a57ba93862e23f3096a8bddAnders Carlsson /// This is used to make sure that any temporaryes created in the conditional 1761d8475067d5b62ed5a57ba93862e23f3096a8bddAnders Carlsson /// branch are only destroyed if the branch is taken. 1771d8475067d5b62ed5a57ba93862e23f3096a8bddAnders Carlsson void PushConditionalTempDestruction(); 1781d8475067d5b62ed5a57ba93862e23f3096a8bddAnders Carlsson 1791d8475067d5b62ed5a57ba93862e23f3096a8bddAnders Carlsson /// PopConditionalTempDestruction - Should be called after a conditional 1801d8475067d5b62ed5a57ba93862e23f3096a8bddAnders Carlsson /// part of an expression has been emitted. 1811d8475067d5b62ed5a57ba93862e23f3096a8bddAnders Carlsson void PopConditionalTempDestruction(); 1821d8475067d5b62ed5a57ba93862e23f3096a8bddAnders Carlsson 1837f02f721d48772e4eee4fccd8af4f800be1bbc1eChris Lattnerprivate: 184e896d98548b02223c7740d807a0aa6e20fba7079Anders Carlsson CGDebugInfo* DebugInfo; 18509429b962811f2c0a7a81a1b0a89f96f5878b20cMike Stump 1860dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// LabelIDs - Track arbitrary ids assigned to labels for use in implementing 1870dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// the GCC address-of-label extension and indirect goto. IDs are assigned to 1880dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// labels inside getIDForAddrOfLabel(). 1890ffb125996336fc7602b162c0a9e392f1a93060fDaniel Dunbar std::map<const LabelStmt*, unsigned> LabelIDs; 1900ffb125996336fc7602b162c0a9e392f1a93060fDaniel Dunbar 1910ffb125996336fc7602b162c0a9e392f1a93060fDaniel Dunbar /// IndirectSwitches - Record the list of switches for indirect 1920dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// gotos. Emission of the actual switching code needs to be delayed until all 1930dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// AddrLabelExprs have been seen. 1940ffb125996336fc7602b162c0a9e392f1a93060fDaniel Dunbar std::vector<llvm::SwitchInst*> IndirectSwitches; 1950ffb125996336fc7602b162c0a9e392f1a93060fDaniel Dunbar 1960dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// LocalDeclMap - This keeps track of the LLVM allocas or globals for local C 1970dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// decls. 1985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::DenseMap<const Decl*, llvm::Value*> LocalDeclMap; 1995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// LabelMap - This keeps track of the LLVM basic block for each C label. 2015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::DenseMap<const LabelStmt*, llvm::BasicBlock*> LabelMap; 2020dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 2030dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump // BreakContinueStack - This keeps track of where break and continue 204e4b6d342c29d5cb9d311756100df1603810fa892Anders Carlsson // statements should jump to. 205da13870e99fe33934b2122f06528a5063f78ae4cChris Lattner struct BreakContinue { 206e4b6d342c29d5cb9d311756100df1603810fa892Anders Carlsson BreakContinue(llvm::BasicBlock *bb, llvm::BasicBlock *cb) 207e4b6d342c29d5cb9d311756100df1603810fa892Anders Carlsson : BreakBlock(bb), ContinueBlock(cb) {} 2080dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 209da13870e99fe33934b2122f06528a5063f78ae4cChris Lattner llvm::BasicBlock *BreakBlock; 210da13870e99fe33934b2122f06528a5063f78ae4cChris Lattner llvm::BasicBlock *ContinueBlock; 2110dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump }; 212da13870e99fe33934b2122f06528a5063f78ae4cChris Lattner llvm::SmallVector<BreakContinue, 8> BreakContinueStack; 21318ccc7776ad6288c5f630dc7967fb99d099c9cd9Daniel Dunbar 2140dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// SwitchInsn - This is nearest current switch instruction. It is null if if 2150dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// current context is not in a switch. 21651b09f2c528c8460b5465c676173324e44176d62Devang Patel llvm::SwitchInst *SwitchInsn; 21751b09f2c528c8460b5465c676173324e44176d62Devang Patel 2180dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// CaseRangeBlock - This block holds if condition check for last case 21980fd5f96e6805ac43aab99faabd5b4c8b19551b7Devang Patel /// statement range in current switch instruction. 220c049e4f406a7f7179eba98659044a32508e53289Devang Patel llvm::BasicBlock *CaseRangeBlock; 221c049e4f406a7f7179eba98659044a32508e53289Devang Patel 2229834ffbe54788239c8361d3cfe5826fd277ddfb2Daniel Dunbar /// InvokeDest - This is the nearest exception target for calls 2239834ffbe54788239c8361d3cfe5826fd277ddfb2Daniel Dunbar /// which can unwind, when exceptions are being used. 2249834ffbe54788239c8361d3cfe5826fd277ddfb2Daniel Dunbar llvm::BasicBlock *InvokeDest; 2259834ffbe54788239c8361d3cfe5826fd277ddfb2Daniel Dunbar 2260dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump // VLASizeMap - This keeps track of the associated size for each VLA type. 2270dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump // FIXME: Maybe this could be a stack of maps that is pushed/popped as we 2280dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump // enter/leave scopes. 229dcc90d87e6430c643b4311ae5b0089535bca41f7Anders Carlsson llvm::DenseMap<const VariableArrayType*, llvm::Value*> VLASizeMap; 2300dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 2314cc1a4703363ff940b6273aeef9d96a87edeb04bAnders Carlsson /// DidCallStackSave - Whether llvm.stacksave has been called. Used to avoid 2324cc1a4703363ff940b6273aeef9d96a87edeb04bAnders Carlsson /// calling llvm.stacksave for multiple VLAs in the same scope. 2334cc1a4703363ff940b6273aeef9d96a87edeb04bAnders Carlsson bool DidCallStackSave; 23409429b962811f2c0a7a81a1b0a89f96f5878b20cMike Stump 2356ccc47698d0311ddabf32fa0f6db8e4f09ac96f8Anders Carlsson struct CleanupEntry { 2366ccc47698d0311ddabf32fa0f6db8e4f09ac96f8Anders Carlsson /// CleanupBlock - The block of code that does the actual cleanup. 2376ccc47698d0311ddabf32fa0f6db8e4f09ac96f8Anders Carlsson llvm::BasicBlock *CleanupBlock; 2380dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 2396ccc47698d0311ddabf32fa0f6db8e4f09ac96f8Anders Carlsson /// Blocks - Basic blocks that were emitted in the current cleanup scope. 240bb66f9f2e454135b86462d121629275b6ac38e96Anders Carlsson std::vector<llvm::BasicBlock *> Blocks; 2416ccc47698d0311ddabf32fa0f6db8e4f09ac96f8Anders Carlsson 2426ccc47698d0311ddabf32fa0f6db8e4f09ac96f8Anders Carlsson /// BranchFixups - Branch instructions to basic blocks that haven't been 2436ccc47698d0311ddabf32fa0f6db8e4f09ac96f8Anders Carlsson /// inserted into the current function yet. 244bb66f9f2e454135b86462d121629275b6ac38e96Anders Carlsson std::vector<llvm::BranchInst *> BranchFixups; 2456ccc47698d0311ddabf32fa0f6db8e4f09ac96f8Anders Carlsson 2466ccc47698d0311ddabf32fa0f6db8e4f09ac96f8Anders Carlsson explicit CleanupEntry(llvm::BasicBlock *cb) 2476ccc47698d0311ddabf32fa0f6db8e4f09ac96f8Anders Carlsson : CleanupBlock(cb) {} 2486ccc47698d0311ddabf32fa0f6db8e4f09ac96f8Anders Carlsson }; 2490dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 2506ccc47698d0311ddabf32fa0f6db8e4f09ac96f8Anders Carlsson /// CleanupEntries - Stack of cleanup entries. 2516ccc47698d0311ddabf32fa0f6db8e4f09ac96f8Anders Carlsson llvm::SmallVector<CleanupEntry, 8> CleanupEntries; 2526ccc47698d0311ddabf32fa0f6db8e4f09ac96f8Anders Carlsson 253bd6fa3d032acd7eafc6c10827c41103df45beab7Anders Carlsson typedef llvm::DenseMap<llvm::BasicBlock*, size_t> BlockScopeMap; 254bd6fa3d032acd7eafc6c10827c41103df45beab7Anders Carlsson 255bd6fa3d032acd7eafc6c10827c41103df45beab7Anders Carlsson /// BlockScopes - Map of which "cleanup scope" scope basic blocks have. 256bd6fa3d032acd7eafc6c10827c41103df45beab7Anders Carlsson BlockScopeMap BlockScopes; 2570dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 2582b77ba8bc7a842829ad9193816dc1d7d5e9c5be6Anders Carlsson /// CXXThisDecl - When parsing an C++ function, this will hold the implicit 2592b77ba8bc7a842829ad9193816dc1d7d5e9c5be6Anders Carlsson /// 'this' declaration. 2602b77ba8bc7a842829ad9193816dc1d7d5e9c5be6Anders Carlsson ImplicitParamDecl *CXXThisDecl; 2612b77ba8bc7a842829ad9193816dc1d7d5e9c5be6Anders Carlsson 262e8b5578fcc2a3ffb90986f95f2c9127a9a08e34bAnders Carlsson /// CXXLiveTemporaryInfo - Holds information about a live C++ temporary. 263e8b5578fcc2a3ffb90986f95f2c9127a9a08e34bAnders Carlsson struct CXXLiveTemporaryInfo { 264e8b5578fcc2a3ffb90986f95f2c9127a9a08e34bAnders Carlsson /// Temporary - The live temporary. 265e8b5578fcc2a3ffb90986f95f2c9127a9a08e34bAnders Carlsson const CXXTemporary *Temporary; 266e8b5578fcc2a3ffb90986f95f2c9127a9a08e34bAnders Carlsson 267e8b5578fcc2a3ffb90986f95f2c9127a9a08e34bAnders Carlsson /// ThisPtr - The pointer to the temporary. 268e8b5578fcc2a3ffb90986f95f2c9127a9a08e34bAnders Carlsson llvm::Value *ThisPtr; 269e8b5578fcc2a3ffb90986f95f2c9127a9a08e34bAnders Carlsson 270e8b5578fcc2a3ffb90986f95f2c9127a9a08e34bAnders Carlsson /// DtorBlock - The destructor block. 271e8b5578fcc2a3ffb90986f95f2c9127a9a08e34bAnders Carlsson llvm::BasicBlock *DtorBlock; 272e8b5578fcc2a3ffb90986f95f2c9127a9a08e34bAnders Carlsson 273e8b5578fcc2a3ffb90986f95f2c9127a9a08e34bAnders Carlsson /// CondPtr - If this is a conditional temporary, this is the pointer to 274e8b5578fcc2a3ffb90986f95f2c9127a9a08e34bAnders Carlsson /// the condition variable that states whether the destructor should be 275e8b5578fcc2a3ffb90986f95f2c9127a9a08e34bAnders Carlsson /// called or not. 276e8b5578fcc2a3ffb90986f95f2c9127a9a08e34bAnders Carlsson llvm::Value *CondPtr; 277e8b5578fcc2a3ffb90986f95f2c9127a9a08e34bAnders Carlsson 278e8b5578fcc2a3ffb90986f95f2c9127a9a08e34bAnders Carlsson CXXLiveTemporaryInfo(const CXXTemporary *temporary, 279f4b8fea84a6b1ef74cf8fe572918439e34935e51Anders Carlsson llvm::Value *thisptr, llvm::BasicBlock *dtorblock, 280f4b8fea84a6b1ef74cf8fe572918439e34935e51Anders Carlsson llvm::Value *condptr) 281e8b5578fcc2a3ffb90986f95f2c9127a9a08e34bAnders Carlsson : Temporary(temporary), ThisPtr(thisptr), DtorBlock(dtorblock), 282e8b5578fcc2a3ffb90986f95f2c9127a9a08e34bAnders Carlsson CondPtr(condptr) { } 283e8b5578fcc2a3ffb90986f95f2c9127a9a08e34bAnders Carlsson }; 284e8b5578fcc2a3ffb90986f95f2c9127a9a08e34bAnders Carlsson 285e8b5578fcc2a3ffb90986f95f2c9127a9a08e34bAnders Carlsson llvm::SmallVector<CXXLiveTemporaryInfo, 4> LiveTemporaries; 2861d8475067d5b62ed5a57ba93862e23f3096a8bddAnders Carlsson 2871d8475067d5b62ed5a57ba93862e23f3096a8bddAnders Carlsson /// ConditionalTempDestructionStack - Contains the number of live temporaries 2881d8475067d5b62ed5a57ba93862e23f3096a8bddAnders Carlsson /// when PushConditionalTempDestruction was called. This is used so that 2891d8475067d5b62ed5a57ba93862e23f3096a8bddAnders Carlsson /// we know how many temporaries were created by a certain expression. 2901d8475067d5b62ed5a57ba93862e23f3096a8bddAnders Carlsson llvm::SmallVector<size_t, 4> ConditionalTempDestructionStack; 291543ac0c4d24a81fb2b7b6e83370aa8e4cbc93054Anders Carlsson 2925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 2935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer CodeGenFunction(CodeGenModule &cgm); 2940dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 2955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ASTContext &getContext() const; 296e896d98548b02223c7740d807a0aa6e20fba7079Anders Carlsson CGDebugInfo *getDebugInfo() { return DebugInfo; } 2975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2989834ffbe54788239c8361d3cfe5826fd277ddfb2Daniel Dunbar llvm::BasicBlock *getInvokeDest() { return InvokeDest; } 2999834ffbe54788239c8361d3cfe5826fd277ddfb2Daniel Dunbar void setInvokeDest(llvm::BasicBlock *B) { InvokeDest = B; } 3009834ffbe54788239c8361d3cfe5826fd277ddfb2Daniel Dunbar 301a1cf15f4680e5cf39e72e28c5ea854fcba792e84Owen Anderson llvm::LLVMContext &getLLVMContext() { return VMContext; } 30269243825cb5c91ec7207256aa57ae327cfaf8cb2Owen Anderson 3039834ffbe54788239c8361d3cfe5826fd277ddfb2Daniel Dunbar //===--------------------------------------------------------------------===// 3049834ffbe54788239c8361d3cfe5826fd277ddfb2Daniel Dunbar // Objective-C 3059834ffbe54788239c8361d3cfe5826fd277ddfb2Daniel Dunbar //===--------------------------------------------------------------------===// 3069834ffbe54788239c8361d3cfe5826fd277ddfb2Daniel Dunbar 307391d77a26382dddf25da73e29fc1fa5aaaea4c6fChris Lattner void GenerateObjCMethod(const ObjCMethodDecl *OMD); 308af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar 3090dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump void StartObjCMethod(const ObjCMethodDecl *MD, 310679a502d462ef819e6175b58e255ca3f3391e7cfFariborz Jahanian const ObjCContainerDecl *CD); 311af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar 3120dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// GenerateObjCGetter - Synthesize an Objective-C property getter function. 313fef30b55230064d334a669a065a1c9acdb87cdfeFariborz Jahanian void GenerateObjCGetter(ObjCImplementationDecl *IMP, 314fef30b55230064d334a669a065a1c9acdb87cdfeFariborz Jahanian const ObjCPropertyImplDecl *PID); 315af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar 3160dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// GenerateObjCSetter - Synthesize an Objective-C property setter function 3170dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// for the given property. 318fef30b55230064d334a669a065a1c9acdb87cdfeFariborz Jahanian void GenerateObjCSetter(ObjCImplementationDecl *IMP, 319fef30b55230064d334a669a065a1c9acdb87cdfeFariborz Jahanian const ObjCPropertyImplDecl *PID); 320af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar 3214e7a1f7682d94811bd41fca8aefccc38f686db23Mike Stump //===--------------------------------------------------------------------===// 3224e7a1f7682d94811bd41fca8aefccc38f686db23Mike Stump // Block Bits 3234e7a1f7682d94811bd41fca8aefccc38f686db23Mike Stump //===--------------------------------------------------------------------===// 3244e7a1f7682d94811bd41fca8aefccc38f686db23Mike Stump 3258a2b4b1c5b960710db95e9b296d9a600aee37c00Mike Stump llvm::Value *BuildBlockLiteralTmp(const BlockExpr *); 326a803b0e6ca0d1c71a0b3f5d7380da8bbacf2f983Mike Stump llvm::Constant *BuildDescriptorBlockDecl(bool BlockHasCopyDispose, 327a803b0e6ca0d1c71a0b3f5d7380da8bbacf2f983Mike Stump uint64_t Size, 3280892099dbc640720400a1d9decd2733a09d733e5Mike Stump const llvm::StructType *, 3290892099dbc640720400a1d9decd2733a09d733e5Mike Stump std::vector<HelperInfo> *); 3304e7a1f7682d94811bd41fca8aefccc38f686db23Mike Stump 331161d36de7ee686b09525bb919ad1b20592e499fcChris Lattner llvm::Function *GenerateBlockFunction(const BlockExpr *BExpr, 3324e7a1f7682d94811bd41fca8aefccc38f686db23Mike Stump const BlockInfo& Info, 3336cc88f78fd36d3511b89412b193494b3e423cbffMike Stump const Decl *OuterFuncDecl, 3347f28a9c37e67ae16396042ad9c085830969daf29Mike Stump llvm::DenseMap<const Decl*, llvm::Value*> ldm, 3358a2b4b1c5b960710db95e9b296d9a600aee37c00Mike Stump uint64_t &Size, uint64_t &Align, 33600470a1c4c44c5ed26bad9a38b4d3904b02d7a28Mike Stump llvm::SmallVector<const Expr *, 8> &subBlockDeclRefDecls, 33700470a1c4c44c5ed26bad9a38b4d3904b02d7a28Mike Stump bool &subBlockHasCopyDispose); 3384e7a1f7682d94811bd41fca8aefccc38f686db23Mike Stump 3396cc88f78fd36d3511b89412b193494b3e423cbffMike Stump void BlockForwardSelf(); 3404e7a1f7682d94811bd41fca8aefccc38f686db23Mike Stump llvm::Value *LoadBlockStruct(); 3414e7a1f7682d94811bd41fca8aefccc38f686db23Mike Stump 342a99038c0757a836c6faeeddaa5dfd249b32f6e9eMike Stump llvm::Value *GetAddrOfBlockDecl(const BlockDeclRefExpr *E); 34330395dd7b77ec1abfae9ebfcacf86f5d72b91fefMike Stump 344dab514fc30242c7afd6c03956e46136c400fb0d3Mike Stump const llvm::Type *BuildByRefType(QualType Ty, uint64_t Align); 345dab514fc30242c7afd6c03956e46136c400fb0d3Mike Stump 346bd012ff1fa088181646a784f385b28867372d434Daniel Dunbar void GenerateCode(const FunctionDecl *FD, 347bd012ff1fa088181646a784f385b28867372d434Daniel Dunbar llvm::Function *Fn); 3480dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump void StartFunction(const Decl *D, QualType RetTy, 3497c086516f3cc9fba2733b1919973206c6ba4b171Daniel Dunbar llvm::Function *Fn, 3502284ac9ec80299fcdefae9a2787cf85105a0f203Daniel Dunbar const FunctionArgList &Args, 3512284ac9ec80299fcdefae9a2787cf85105a0f203Daniel Dunbar SourceLocation StartLoc); 352a448fb2da03ece39978784793eea68760e8205a1Daniel Dunbar 3530dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// EmitReturnBlock - Emit the unified return block, trying to avoid its 3540dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// emission when possible. 3551c1d6074f5a0296dd273362655b1b8f9057289e3Daniel Dunbar void EmitReturnBlock(); 3561c1d6074f5a0296dd273362655b1b8f9057289e3Daniel Dunbar 3570dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// FinishFunction - Complete IR generation of the current function. It is 3580dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// legal to call this function even if there is no current insertion point. 359af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar void FinishFunction(SourceLocation EndLoc=SourceLocation()); 36017b708d61827cd86278e9580b041dd6cbadf07d3Daniel Dunbar 361738f8c278da5950d0d4607de2debe0bdfad64185Mike Stump llvm::Constant *GenerateRtti(const CXXRecordDecl *RD); 3628a12b564923a72224730a467007e61b5701e4aa7Mike Stump void GenerateVtableForBase(const CXXRecordDecl *RD, 363e1be2b16a3a24acda0b63c3dcb4ae3384fcdaf75Mike Stump const CXXRecordDecl *Class, 364e1be2b16a3a24acda0b63c3dcb4ae3384fcdaf75Mike Stump llvm::Constant *rtti, 365e1be2b16a3a24acda0b63c3dcb4ae3384fcdaf75Mike Stump std::vector<llvm::Constant *> &methods, 3664ffe91eae351d6ef68256ce77fc549557702d3e3Mike Stump bool isPrimary, 3674ffe91eae351d6ef68256ce77fc549557702d3e3Mike Stump bool ForVirtualBase, 3684ffe91eae351d6ef68256ce77fc549557702d3e3Mike Stump llvm::SmallSet<const CXXRecordDecl *, 32> &IndirectPrimary); 369f121677b6bbbf4e4a51ee7a1120b77adf187bad4Mike Stump llvm::Value *GenerateVtable(const CXXRecordDecl *RD); 370f121677b6bbbf4e4a51ee7a1120b77adf187bad4Mike Stump 371ab3c0a2c879569bb00fa664ebaccf9442c0a9c5fFariborz Jahanian void EmitCtorPrologue(const CXXConstructorDecl *CD); 372426cc3828ce07a2cff15c9837f5958e6fc4b7739Fariborz Jahanian 3738c241a2844428eb1589c7b77fc6c1888295a2045Fariborz Jahanian void SynthesizeCXXCopyConstructor(const CXXConstructorDecl *CD, 3748c241a2844428eb1589c7b77fc6c1888295a2045Fariborz Jahanian const FunctionDecl *FD, 3758c241a2844428eb1589c7b77fc6c1888295a2045Fariborz Jahanian llvm::Function *Fn, 3768c241a2844428eb1589c7b77fc6c1888295a2045Fariborz Jahanian const FunctionArgList &Args); 3772198ba12b73a8e6801d13f25de38031da6df46b6Fariborz Jahanian 3782198ba12b73a8e6801d13f25de38031da6df46b6Fariborz Jahanian void SynthesizeCXXCopyAssignment(const CXXMethodDecl *CD, 3792198ba12b73a8e6801d13f25de38031da6df46b6Fariborz Jahanian const FunctionDecl *FD, 3802198ba12b73a8e6801d13f25de38031da6df46b6Fariborz Jahanian llvm::Function *Fn, 3812198ba12b73a8e6801d13f25de38031da6df46b6Fariborz Jahanian const FunctionArgList &Args); 3822198ba12b73a8e6801d13f25de38031da6df46b6Fariborz Jahanian 38306f598aa45b651f9f3be0b916d43876eae747af0Fariborz Jahanian void SynthesizeDefaultConstructor(const CXXConstructorDecl *CD, 38406f598aa45b651f9f3be0b916d43876eae747af0Fariborz Jahanian const FunctionDecl *FD, 38506f598aa45b651f9f3be0b916d43876eae747af0Fariborz Jahanian llvm::Function *Fn, 38606f598aa45b651f9f3be0b916d43876eae747af0Fariborz Jahanian const FunctionArgList &Args); 38797a937532c24a8ea44317d4fdee26d9701a1e83cFariborz Jahanian 388426cc3828ce07a2cff15c9837f5958e6fc4b7739Fariborz Jahanian /// EmitDtorEpilogue - Emit all code that comes at the end of class's 389426cc3828ce07a2cff15c9837f5958e6fc4b7739Fariborz Jahanian /// destructor. This is to call destructors on members and base classes 390426cc3828ce07a2cff15c9837f5958e6fc4b7739Fariborz Jahanian /// in reverse order of their construction. 391426cc3828ce07a2cff15c9837f5958e6fc4b7739Fariborz Jahanian void EmitDtorEpilogue(const CXXDestructorDecl *DD); 392426cc3828ce07a2cff15c9837f5958e6fc4b7739Fariborz Jahanian 3930dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// EmitFunctionProlog - Emit the target specific LLVM code to load the 3940dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// arguments for the given function. This is also responsible for naming the 3950dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// LLVM function arguments. 39688b5396b0897f28d22ae3debf4a0d97b33b6c362Daniel Dunbar void EmitFunctionProlog(const CGFunctionInfo &FI, 39788b5396b0897f28d22ae3debf4a0d97b33b6c362Daniel Dunbar llvm::Function *Fn, 39817b708d61827cd86278e9580b041dd6cbadf07d3Daniel Dunbar const FunctionArgList &Args); 39917b708d61827cd86278e9580b041dd6cbadf07d3Daniel Dunbar 4000dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// EmitFunctionEpilog - Emit the target specific LLVM code to return the 4010dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// given temporary. 40288b5396b0897f28d22ae3debf4a0d97b33b6c362Daniel Dunbar void EmitFunctionEpilog(const CGFunctionInfo &FI, llvm::Value *ReturnValue); 40317b708d61827cd86278e9580b041dd6cbadf07d3Daniel Dunbar 4048b1a343b6b360d63d5dc8a6beb841ce4414c1e00Daniel Dunbar const llvm::Type *ConvertTypeForMem(QualType T); 4055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const llvm::Type *ConvertType(QualType T); 406c8aa5f1f264fb230c38182adab944232bb160c2bChris Lattner 4070dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// LoadObjCSelf - Load the value of self. This function is only valid while 4080dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// generating code for an Objective-C method. 409c8aa5f1f264fb230c38182adab944232bb160c2bChris Lattner llvm::Value *LoadObjCSelf(); 4100dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 4110dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// TypeOfSelfObject - Return type of object that this self represents. 41245012a7ef5abf1042c893f3f2fa5c23cb5485ea9Fariborz Jahanian QualType TypeOfSelfObject(); 4134111024be81e7c0525e42dadcc126d27e5bf2425Chris Lattner 4145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// hasAggregateLLVMType - Return true if the specified AST type will map into 4155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// an aggregate LLVM type or is void. 4165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool hasAggregateLLVMType(QualType T); 41755e874299f2ad827646a4ca9ea38c402aaeb38c9Daniel Dunbar 41855e874299f2ad827646a4ca9ea38c402aaeb38c9Daniel Dunbar /// createBasicBlock - Create an LLVM basic block. 4190dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump llvm::BasicBlock *createBasicBlock(const char *Name="", 42055e874299f2ad827646a4ca9ea38c402aaeb38c9Daniel Dunbar llvm::Function *Parent=0, 42155e874299f2ad827646a4ca9ea38c402aaeb38c9Daniel Dunbar llvm::BasicBlock *InsertBefore=0) { 42229ea6729155c759836be4b5453bee9ef8e1e97eeDaniel Dunbar#ifdef NDEBUG 42329ea6729155c759836be4b5453bee9ef8e1e97eeDaniel Dunbar return llvm::BasicBlock::Create("", Parent, InsertBefore); 42429ea6729155c759836be4b5453bee9ef8e1e97eeDaniel Dunbar#else 42555e874299f2ad827646a4ca9ea38c402aaeb38c9Daniel Dunbar return llvm::BasicBlock::Create(Name, Parent, InsertBefore); 42629ea6729155c759836be4b5453bee9ef8e1e97eeDaniel Dunbar#endif 42755e874299f2ad827646a4ca9ea38c402aaeb38c9Daniel Dunbar } 4280dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 4295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getBasicBlockForLabel - Return the LLVM basicblock that the specified 4305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// label maps to. 4315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::BasicBlock *getBasicBlockForLabel(const LabelStmt *S); 4320dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 433aa5bd87f1fd5f9ca47924248817c89325759b30eDaniel Dunbar /// SimplifyForwardingBlocks - If the given basic block is only a 434aa5bd87f1fd5f9ca47924248817c89325759b30eDaniel Dunbar /// branch to another basic block, simplify it. This assumes that no 435aa5bd87f1fd5f9ca47924248817c89325759b30eDaniel Dunbar /// other code could potentially reference the basic block. 436aa5bd87f1fd5f9ca47924248817c89325759b30eDaniel Dunbar void SimplifyForwardingBlocks(llvm::BasicBlock *BB); 437aa5bd87f1fd5f9ca47924248817c89325759b30eDaniel Dunbar 4380dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// EmitBlock - Emit the given block \arg BB and set it as the insert point, 4390dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// adding a fall-through branch from the current insert block if 4400dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// necessary. It is legal to call this function even if there is no current 4410dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// insertion point. 442a0c21a8faa79e88ac432d116eca58f7a7217195dDaniel Dunbar /// 4430dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// IsFinished - If true, indicates that the caller has finished emitting 4440dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// branches to the given block and does not expect to emit code into it. This 4450dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// means the block can be ignored if it is unreachable. 446a0c21a8faa79e88ac432d116eca58f7a7217195dDaniel Dunbar void EmitBlock(llvm::BasicBlock *BB, bool IsFinished=false); 447824e3bd76b2e32db2ec6e4d2d113413e518d1c63Daniel Dunbar 4480dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// EmitBranch - Emit a branch to the specified basic block from the current 4490dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// insert block, taking care to avoid creation of branches from dummy 4500dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// blocks. It is legal to call this function even if there is no current 4510dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// insertion point. 4525e08ad3cc62ab94649959ae227a9a411a729bf49Daniel Dunbar /// 4530dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// This function clears the current insertion point. The caller should follow 4540dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// calls to this function with calls to Emit*Block prior to generation new 4550dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// code. 456d57a871339c7c98d58d93108b806f59bdf4e13e2Daniel Dunbar void EmitBranch(llvm::BasicBlock *Block); 457d57a871339c7c98d58d93108b806f59bdf4e13e2Daniel Dunbar 4580dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// HaveInsertPoint - True if an insertion point is defined. If not, this 4590dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// indicates that the current code being emitted is unreachable. 4600dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump bool HaveInsertPoint() const { 461a448fb2da03ece39978784793eea68760e8205a1Daniel Dunbar return Builder.GetInsertBlock() != 0; 462a448fb2da03ece39978784793eea68760e8205a1Daniel Dunbar } 463a448fb2da03ece39978784793eea68760e8205a1Daniel Dunbar 4640dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// EnsureInsertPoint - Ensure that an insertion point is defined so that 4650dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// emitted IR has a place to go. Note that by definition, if this function 4660dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// creates a block then that block is unreachable; callers may do better to 4670dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// detect when no insertion point is defined and simply skip IR generation. 468a448fb2da03ece39978784793eea68760e8205a1Daniel Dunbar void EnsureInsertPoint() { 469a448fb2da03ece39978784793eea68760e8205a1Daniel Dunbar if (!HaveInsertPoint()) 470a448fb2da03ece39978784793eea68760e8205a1Daniel Dunbar EmitBlock(createBasicBlock()); 471a448fb2da03ece39978784793eea68760e8205a1Daniel Dunbar } 4720dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 473488e993a135ce700b982bf099c3d6b856301d642Daniel Dunbar /// ErrorUnsupported - Print out an error that codegen doesn't support the 474dc5e8268292046114ffe02e48773572a91a310f1Chris Lattner /// specified stmt yet. 47590df4b6661968a84bf64baee489bb2f6d948fcc1Daniel Dunbar void ErrorUnsupported(const Stmt *S, const char *Type, 47690df4b6661968a84bf64baee489bb2f6d948fcc1Daniel Dunbar bool OmitOnError=false); 4775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer //===--------------------------------------------------------------------===// 4795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Helpers 4805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer //===--------------------------------------------------------------------===// 4810dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 4825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// CreateTempAlloca - This creates a alloca and inserts it into the entry 4835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// block. 4845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::AllocaInst *CreateTempAlloca(const llvm::Type *Ty, 4855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *Name = "tmp"); 4860dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 4875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// EvaluateExprAsBool - Perform the usual unary conversions on the specified 4885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// expression and compare the result against zero, returning an Int1Ty value. 4895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::Value *EvaluateExprAsBool(const Expr *E); 4905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4919b65551d0b387a7597fb39356a4d8ef10046445eChris Lattner /// EmitAnyExpr - Emit code to compute the specified expression which can have 4929b65551d0b387a7597fb39356a4d8ef10046445eChris Lattner /// any type. The result is returned as an RValue struct. If this is an 4939b65551d0b387a7597fb39356a4d8ef10046445eChris Lattner /// aggregate expression, the aggloc/agglocvolatile arguments indicate where 4949b65551d0b387a7597fb39356a4d8ef10046445eChris Lattner /// the result should be returned. 49549d1cd5a09ed3df353371fd7f206674a85e0fb45Mike Stump /// 49649d1cd5a09ed3df353371fd7f206674a85e0fb45Mike Stump /// \param IgnoreResult - True if the resulting value isn't used. 4970dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump RValue EmitAnyExpr(const Expr *E, llvm::Value *AggLoc = 0, 49849d1cd5a09ed3df353371fd7f206674a85e0fb45Mike Stump bool isAggLocVolatile = false, bool IgnoreResult = false); 499d9363c3a80168283b3da518b4e17f545a6246857Devang Patel 5000dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump // EmitVAListRef - Emit a "reference" to a va_list; this is either the address 5010dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump // or the value of the expression, depending on how va_list is defined. 5024fd0aa5803357d8c72eeac2cae15e12649ea08feEli Friedman llvm::Value *EmitVAListRef(const Expr *E); 5034fd0aa5803357d8c72eeac2cae15e12649ea08feEli Friedman 5040dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// EmitAnyExprToTemp - Similary to EmitAnyExpr(), however, the result will 5050dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// always be accessible even if no aggregate location is provided. 5060dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump RValue EmitAnyExprToTemp(const Expr *E, llvm::Value *AggLoc = 0, 50746f45b9bec4a265ad8400a538e5ec3a5683617f1Daniel Dunbar bool isAggLocVolatile = false); 50846f45b9bec4a265ad8400a538e5ec3a5683617f1Daniel Dunbar 50927fe2e6c97a3782a0639d87b460741e8ba5d076dMike Stump /// EmitAggregateCopy - Emit an aggrate copy. 51027fe2e6c97a3782a0639d87b460741e8ba5d076dMike Stump /// 51127fe2e6c97a3782a0639d87b460741e8ba5d076dMike Stump /// \param isVolatile - True iff either the source or the destination is 51227fe2e6c97a3782a0639d87b460741e8ba5d076dMike Stump /// volatile. 5137482d12c345c6391f8956850545e2d4aa7701ce6Daniel Dunbar void EmitAggregateCopy(llvm::Value *DestPtr, llvm::Value *SrcPtr, 51427fe2e6c97a3782a0639d87b460741e8ba5d076dMike Stump QualType EltTy, bool isVolatile=false); 5157482d12c345c6391f8956850545e2d4aa7701ce6Daniel Dunbar 5167482d12c345c6391f8956850545e2d4aa7701ce6Daniel Dunbar void EmitAggregateClear(llvm::Value *DestPtr, QualType Ty); 5177482d12c345c6391f8956850545e2d4aa7701ce6Daniel Dunbar 51851b09f2c528c8460b5465c676173324e44176d62Devang Patel /// StartBlock - Start new block named N. If insert block is a dummy block 51951b09f2c528c8460b5465c676173324e44176d62Devang Patel /// then reuse it. 52051b09f2c528c8460b5465c676173324e44176d62Devang Patel void StartBlock(const char *N); 52151b09f2c528c8460b5465c676173324e44176d62Devang Patel 52288a981b47c7face1b1fdaa9074256245107b9ca9Devang Patel /// getCGRecordLayout - Return record layout info. 52388a981b47c7face1b1fdaa9074256245107b9ca9Devang Patel const CGRecordLayout *getCGRecordLayout(CodeGenTypes &CGT, QualType RTy); 524813733577d33ec56479667b49e1bff42dc6bba90Lauro Ramos Venancio 525813733577d33ec56479667b49e1bff42dc6bba90Lauro Ramos Venancio /// GetAddrOfStaticLocalVar - Return the address of a static local variable. 526248a753f6b670692523c99afaeb8fe98f7ae3ca7Steve Naroff llvm::Constant *GetAddrOfStaticLocalVar(const VarDecl *BVD); 5274f8d123e3e2c260de3377208106ddba87cee28b4Dan Gohman 528dde0a94120915fa925d1ffcdb997c7b44dc9fa21Anders Carlsson /// GetAddrOfLocalVar - Return the address of a local variable. 529dde0a94120915fa925d1ffcdb997c7b44dc9fa21Anders Carlsson llvm::Value *GetAddrOfLocalVar(const VarDecl *VD); 5300dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 5314f8d123e3e2c260de3377208106ddba87cee28b4Dan Gohman /// getAccessedFieldNo - Given an encoded value and a result number, return 5324f8d123e3e2c260de3377208106ddba87cee28b4Dan Gohman /// the input field number being accessed. 5334f8d123e3e2c260de3377208106ddba87cee28b4Dan Gohman static unsigned getAccessedFieldNo(unsigned Idx, const llvm::Constant *Elts); 5344f8d123e3e2c260de3377208106ddba87cee28b4Dan Gohman 5350ffb125996336fc7602b162c0a9e392f1a93060fDaniel Dunbar unsigned GetIDForAddrOfLabel(const LabelStmt *L); 5360ffb125996336fc7602b162c0a9e392f1a93060fDaniel Dunbar 5370dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// EmitMemSetToZero - Generate code to memset a value of the given type to 0. 5383d8400d9a61aa4b63ff35e5cede405b32a41425eAnders Carlsson void EmitMemSetToZero(llvm::Value *DestPtr, QualType Ty); 539ddf7cac45d85b73127adbbd91a2b28fc7291c57eAnders Carlsson 540ddf7cac45d85b73127adbbd91a2b28fc7291c57eAnders Carlsson // EmitVAArg - Generate code to get an argument from the passed in pointer 541ddf7cac45d85b73127adbbd91a2b28fc7291c57eAnders Carlsson // and update it accordingly. The return value is a pointer to the argument. 542ddf7cac45d85b73127adbbd91a2b28fc7291c57eAnders Carlsson // FIXME: We should be able to get rid of this method and use the va_arg 5430dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump // instruction in LLVM instead once it works well enough. 544ddf7cac45d85b73127adbbd91a2b28fc7291c57eAnders Carlsson llvm::Value *EmitVAArg(llvm::Value *VAListAddr, QualType Ty); 545f666b7780d04186521adcaedb0e15dfa4d5e6933Anders Carlsson 54660d35413662ebdcd1d31e34a8a7c665eb6977f1eAnders Carlsson // EmitVLASize - Generate code for any VLA size expressions that might occur 54760d35413662ebdcd1d31e34a8a7c665eb6977f1eAnders Carlsson // in a variably modified type. If Ty is a VLA, will return the value that 54860d35413662ebdcd1d31e34a8a7c665eb6977f1eAnders Carlsson // corresponds to the size in bytes of the VLA type. Will return 0 otherwise. 549d286f05f1234bac289173f0eed88d7ecbaea0099Daniel Dunbar /// 550d286f05f1234bac289173f0eed88d7ecbaea0099Daniel Dunbar /// This function can be called with a null (unreachable) insert point. 55160d35413662ebdcd1d31e34a8a7c665eb6977f1eAnders Carlsson llvm::Value *EmitVLASize(QualType Ty); 5520dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 553dcc90d87e6430c643b4311ae5b0089535bca41f7Anders Carlsson // GetVLASize - Returns an LLVM value that corresponds to the size in bytes 554dcc90d87e6430c643b4311ae5b0089535bca41f7Anders Carlsson // of a variable length array type. 555dcc90d87e6430c643b4311ae5b0089535bca41f7Anders Carlsson llvm::Value *GetVLASize(const VariableArrayType *); 556dcc90d87e6430c643b4311ae5b0089535bca41f7Anders Carlsson 5575f4307b7ba164b03c853c8d3eb4674d33f8967a6Anders Carlsson /// LoadCXXThis - Load the value of 'this'. This function is only valid while 5585f4307b7ba164b03c853c8d3eb4674d33f8967a6Anders Carlsson /// generating code for an C++ member function. 5595f4307b7ba164b03c853c8d3eb4674d33f8967a6Anders Carlsson llvm::Value *LoadCXXThis(); 5605f4307b7ba164b03c853c8d3eb4674d33f8967a6Anders Carlsson 5619e809e7da2448c08aa11f15be4680226754678ceFariborz Jahanian /// AddressCXXOfBaseClass - This function will add the necessary delta 5629e809e7da2448c08aa11f15be4680226754678ceFariborz Jahanian /// to the load of 'this' and returns address of the base class. 5639e809e7da2448c08aa11f15be4680226754678ceFariborz Jahanian // FIXME. This currently only does a derived to non-virtual base conversion. 5649e809e7da2448c08aa11f15be4680226754678ceFariborz Jahanian // Other kinds of conversions will come later. 5659e809e7da2448c08aa11f15be4680226754678ceFariborz Jahanian llvm::Value *AddressCXXOfBaseClass(llvm::Value *ThisValue, 5666d0bdaa68989bee60c85274e82a8f9c982587f26Fariborz Jahanian const CXXRecordDecl *ClassDecl, 5676d0bdaa68989bee60c85274e82a8f9c982587f26Fariborz Jahanian const CXXRecordDecl *BaseClassDecl); 5689e809e7da2448c08aa11f15be4680226754678ceFariborz Jahanian 569ca28361fb0a72c50e0a400fae2fad9520e61c0a5Fariborz Jahanian void EmitClassMemberwiseCopy(llvm::Value *DestValue, llvm::Value *SrcValue, 570ca28361fb0a72c50e0a400fae2fad9520e61c0a5Fariborz Jahanian const CXXRecordDecl *ClassDecl, 571942f4f33d02dba823594bd2d7b3d317cb01c74f8Fariborz Jahanian const CXXRecordDecl *BaseClassDecl, 572942f4f33d02dba823594bd2d7b3d317cb01c74f8Fariborz Jahanian QualType Ty); 573ca28361fb0a72c50e0a400fae2fad9520e61c0a5Fariborz Jahanian 574b14095aa98c6fedd3625920c4ce834bcaf24d9f7Anders Carlsson void EmitCXXConstructorCall(const CXXConstructorDecl *D, CXXCtorType Type, 575b14095aa98c6fedd3625920c4ce834bcaf24d9f7Anders Carlsson llvm::Value *This, 576b14095aa98c6fedd3625920c4ce834bcaf24d9f7Anders Carlsson CallExpr::const_arg_iterator ArgBeg, 577b14095aa98c6fedd3625920c4ce834bcaf24d9f7Anders Carlsson CallExpr::const_arg_iterator ArgEnd); 578b14095aa98c6fedd3625920c4ce834bcaf24d9f7Anders Carlsson 5797267c1693abe7875b0c57268be05005ae013c6c9Anders Carlsson void EmitCXXDestructorCall(const CXXDestructorDecl *D, CXXDtorType Type, 5807267c1693abe7875b0c57268be05005ae013c6c9Anders Carlsson llvm::Value *This); 5817267c1693abe7875b0c57268be05005ae013c6c9Anders Carlsson 582543ac0c4d24a81fb2b7b6e83370aa8e4cbc93054Anders Carlsson void PushCXXTemporary(const CXXTemporary *Temporary, llvm::Value *Ptr); 583f4b8fea84a6b1ef74cf8fe572918439e34935e51Anders Carlsson void PopCXXTemporary(); 584543ac0c4d24a81fb2b7b6e83370aa8e4cbc93054Anders Carlsson 585a00703dccbdc6cc4a293db38477dea7db5538c7eAnders Carlsson llvm::Value *EmitCXXNewExpr(const CXXNewExpr *E); 586a00703dccbdc6cc4a293db38477dea7db5538c7eAnders Carlsson 5875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer //===--------------------------------------------------------------------===// 5885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Declaration Emission 5895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer //===--------------------------------------------------------------------===// 5900dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 591d286f05f1234bac289173f0eed88d7ecbaea0099Daniel Dunbar /// EmitDecl - Emit a declaration. 592d286f05f1234bac289173f0eed88d7ecbaea0099Daniel Dunbar /// 593d286f05f1234bac289173f0eed88d7ecbaea0099Daniel Dunbar /// This function can be called with a null (unreachable) insert point. 5945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void EmitDecl(const Decl &D); 595d286f05f1234bac289173f0eed88d7ecbaea0099Daniel Dunbar 596d286f05f1234bac289173f0eed88d7ecbaea0099Daniel Dunbar /// EmitBlockVarDecl - Emit a block variable declaration. 597d286f05f1234bac289173f0eed88d7ecbaea0099Daniel Dunbar /// 598d286f05f1234bac289173f0eed88d7ecbaea0099Daniel Dunbar /// This function can be called with a null (unreachable) insert point. 599248a753f6b670692523c99afaeb8fe98f7ae3ca7Steve Naroff void EmitBlockVarDecl(const VarDecl &D); 600d286f05f1234bac289173f0eed88d7ecbaea0099Daniel Dunbar 601d286f05f1234bac289173f0eed88d7ecbaea0099Daniel Dunbar /// EmitLocalBlockVarDecl - Emit a local block variable declaration. 602d286f05f1234bac289173f0eed88d7ecbaea0099Daniel Dunbar /// 603d286f05f1234bac289173f0eed88d7ecbaea0099Daniel Dunbar /// This function can be called with a null (unreachable) insert point. 604248a753f6b670692523c99afaeb8fe98f7ae3ca7Steve Naroff void EmitLocalBlockVarDecl(const VarDecl &D); 605d286f05f1234bac289173f0eed88d7ecbaea0099Daniel Dunbar 606248a753f6b670692523c99afaeb8fe98f7ae3ca7Steve Naroff void EmitStaticBlockVarDecl(const VarDecl &D); 607b7ec246872b412f0e7bb9e93eacfd78cfa6adfb3Daniel Dunbar 608b7ec246872b412f0e7bb9e93eacfd78cfa6adfb3Daniel Dunbar /// EmitParmDecl - Emit a ParmVarDecl or an ImplicitParamDecl. 609b7ec246872b412f0e7bb9e93eacfd78cfa6adfb3Daniel Dunbar void EmitParmDecl(const VarDecl &D, llvm::Value *Arg); 6100dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 6115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer //===--------------------------------------------------------------------===// 6125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Statement Emission 6135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer //===--------------------------------------------------------------------===// 6145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6150dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// EmitStopPoint - Emit a debug stoppoint if we are emitting debug info. 6160912425f79418a215c2fbd2d8fc9511244a4aa46Daniel Dunbar void EmitStopPoint(const Stmt *S); 6170912425f79418a215c2fbd2d8fc9511244a4aa46Daniel Dunbar 6180dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// EmitStmt - Emit the code for the statement \arg S. It is legal to call 6190dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// this function even if there is no current insertion point. 6200dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// 6210dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// This function may clear the current insertion point; callers should use 6220dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// EnsureInsertPoint if they wish to subsequently generate code without first 6230dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// calling EmitBlock, EmitBranch, or EmitStmt. 6245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void EmitStmt(const Stmt *S); 625a448fb2da03ece39978784793eea68760e8205a1Daniel Dunbar 6260912425f79418a215c2fbd2d8fc9511244a4aa46Daniel Dunbar /// EmitSimpleStmt - Try to emit a "simple" statement which does not 6270dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// necessarily require an insertion point or debug information; typically 6280dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// because the statement amounts to a jump or a container of other 6290dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// statements. 6300912425f79418a215c2fbd2d8fc9511244a4aa46Daniel Dunbar /// 6310912425f79418a215c2fbd2d8fc9511244a4aa46Daniel Dunbar /// \return True if the statement was handled. 6320912425f79418a215c2fbd2d8fc9511244a4aa46Daniel Dunbar bool EmitSimpleStmt(const Stmt *S); 6330912425f79418a215c2fbd2d8fc9511244a4aa46Daniel Dunbar 6349b65551d0b387a7597fb39356a4d8ef10046445eChris Lattner RValue EmitCompoundStmt(const CompoundStmt &S, bool GetLast = false, 6359b65551d0b387a7597fb39356a4d8ef10046445eChris Lattner llvm::Value *AggLoc = 0, bool isAggVol = false); 636a448fb2da03ece39978784793eea68760e8205a1Daniel Dunbar 6370dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// EmitLabel - Emit the block for the given label. It is legal to call this 6380dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// function even if there is no current insertion point. 63991d723da7b68be5245c3ac58aa2a36d04658cfb8Chris Lattner void EmitLabel(const LabelStmt &S); // helper for EmitLabelStmt. 640a448fb2da03ece39978784793eea68760e8205a1Daniel Dunbar 6415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void EmitLabelStmt(const LabelStmt &S); 6425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void EmitGotoStmt(const GotoStmt &S); 6430ffb125996336fc7602b162c0a9e392f1a93060fDaniel Dunbar void EmitIndirectGotoStmt(const IndirectGotoStmt &S); 6445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void EmitIfStmt(const IfStmt &S); 6455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void EmitWhileStmt(const WhileStmt &S); 6465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void EmitDoStmt(const DoStmt &S); 6475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void EmitForStmt(const ForStmt &S); 6485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void EmitReturnStmt(const ReturnStmt &S); 6495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void EmitDeclStmt(const DeclStmt &S); 6500912425f79418a215c2fbd2d8fc9511244a4aa46Daniel Dunbar void EmitBreakStmt(const BreakStmt &S); 6510912425f79418a215c2fbd2d8fc9511244a4aa46Daniel Dunbar void EmitContinueStmt(const ContinueStmt &S); 65251b09f2c528c8460b5465c676173324e44176d62Devang Patel void EmitSwitchStmt(const SwitchStmt &S); 65351b09f2c528c8460b5465c676173324e44176d62Devang Patel void EmitDefaultStmt(const DefaultStmt &S); 65451b09f2c528c8460b5465c676173324e44176d62Devang Patel void EmitCaseStmt(const CaseStmt &S); 655c049e4f406a7f7179eba98659044a32508e53289Devang Patel void EmitCaseStmtRange(const CaseStmt &S); 656fb1aeb804c08d5288a923fb278161783e6abdc66Anders Carlsson void EmitAsmStmt(const AsmStmt &S); 6570dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 6583d8400d9a61aa4b63ff35e5cede405b32a41425eAnders Carlsson void EmitObjCForCollectionStmt(const ObjCForCollectionStmt &S); 65964d5d6c5903157c521af496479d06dc26032d718Anders Carlsson void EmitObjCAtTryStmt(const ObjCAtTryStmt &S); 66064d5d6c5903157c521af496479d06dc26032d718Anders Carlsson void EmitObjCAtThrowStmt(const ObjCAtThrowStmt &S); 66110cac6f7115b59a466bb8d2d51cdddeb38aadc37Chris Lattner void EmitObjCAtSynchronizedStmt(const ObjCAtSynchronizedStmt &S); 6620dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 6635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer //===--------------------------------------------------------------------===// 6645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // LValue Expression Emission 6655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer //===--------------------------------------------------------------------===// 6665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 66713e81737a433b23f8c662d10d1d57356122a8caaDaniel Dunbar /// GetUndefRValue - Get an appropriate 'undef' rvalue for the given type. 66813e81737a433b23f8c662d10d1d57356122a8caaDaniel Dunbar RValue GetUndefRValue(QualType Ty); 66913e81737a433b23f8c662d10d1d57356122a8caaDaniel Dunbar 670ce1d38b8163650e473d7084e0686ed5a7956057bDaniel Dunbar /// EmitUnsupportedRValue - Emit a dummy r-value using the type of E 671ce1d38b8163650e473d7084e0686ed5a7956057bDaniel Dunbar /// and issue an ErrorUnsupported style diagnostic (using the 672ce1d38b8163650e473d7084e0686ed5a7956057bDaniel Dunbar /// provided Name). 673ce1d38b8163650e473d7084e0686ed5a7956057bDaniel Dunbar RValue EmitUnsupportedRValue(const Expr *E, 674ce1d38b8163650e473d7084e0686ed5a7956057bDaniel Dunbar const char *Name); 675ce1d38b8163650e473d7084e0686ed5a7956057bDaniel Dunbar 6760dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// EmitUnsupportedLValue - Emit a dummy l-value using the type of E and issue 6770dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// an ErrorUnsupported style diagnostic (using the provided Name). 6786ba82a4a4b295e54cf192c3e98b28f39990c6194Daniel Dunbar LValue EmitUnsupportedLValue(const Expr *E, 6796ba82a4a4b295e54cf192c3e98b28f39990c6194Daniel Dunbar const char *Name); 6806ba82a4a4b295e54cf192c3e98b28f39990c6194Daniel Dunbar 6815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// EmitLValue - Emit code to compute a designator that specifies the location 6825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// of the expression. 6835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// 6845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// This can return one of two things: a simple address or a bitfield 6855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// reference. In either case, the LLVM Value* in the LValue structure is 6865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// guaranteed to be an LLVM pointer type. 6875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// 6885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// If this returns a bitfield reference, nothing about the pointee type of 6895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// the LLVM value is known: For example, it may not be a pointer to an 6905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// integer. 6915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// 6925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// If this returns a normal address, and if the lvalue's C type is fixed 6935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// size, this method guarantees that the returned pointer type will point to 6945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// an LLVM type of the same size of the lvalue's type. If the lvalue has a 6955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// variable length type, this is not possible. 6965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// 6975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LValue EmitLValue(const Expr *E); 6980dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 6999d9cc874bcc168474757a8f90476684b4a93ed76Daniel Dunbar /// EmitLoadOfScalar - Load a scalar value from an address, taking 7009d9cc874bcc168474757a8f90476684b4a93ed76Daniel Dunbar /// care to appropriately convert from the memory representation to 7019d9cc874bcc168474757a8f90476684b4a93ed76Daniel Dunbar /// the LLVM value representation. 70209429b962811f2c0a7a81a1b0a89f96f5878b20cMike Stump llvm::Value *EmitLoadOfScalar(llvm::Value *Addr, bool Volatile, 7039d9cc874bcc168474757a8f90476684b4a93ed76Daniel Dunbar QualType Ty); 7049d9cc874bcc168474757a8f90476684b4a93ed76Daniel Dunbar 7059d9cc874bcc168474757a8f90476684b4a93ed76Daniel Dunbar /// EmitStoreOfScalar - Store a scalar value to an address, taking 7069d9cc874bcc168474757a8f90476684b4a93ed76Daniel Dunbar /// care to appropriately convert from the memory representation to 7079d9cc874bcc168474757a8f90476684b4a93ed76Daniel Dunbar /// the LLVM value representation. 70809429b962811f2c0a7a81a1b0a89f96f5878b20cMike Stump void EmitStoreOfScalar(llvm::Value *Value, llvm::Value *Addr, 709b4aa4664ec851573624a7a29c6c750fc1d5cc268Anders Carlsson bool Volatile, QualType Ty); 7109d9cc874bcc168474757a8f90476684b4a93ed76Daniel Dunbar 7115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// EmitLoadOfLValue - Given an expression that represents a value lvalue, 7125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// this method emits the address of the lvalue, then loads the result as an 7135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// rvalue, returning the rvalue. 7145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer RValue EmitLoadOfLValue(LValue V, QualType LVType); 715213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman RValue EmitLoadOfExtVectorElementLValue(LValue V, QualType LVType); 7163b8c22d93da1432b2d4cea779d14912645c93866Lauro Ramos Venancio RValue EmitLoadOfBitfieldLValue(LValue LV, QualType ExprType); 71785c59edda02df48fae8dc85049743319bc6e7e89Daniel Dunbar RValue EmitLoadOfPropertyRefLValue(LValue LV, QualType ExprType); 71843f447098d5e6162fbfb97ed38365284207a7fbeFariborz Jahanian RValue EmitLoadOfKVCRefLValue(LValue LV, QualType ExprType); 7195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7200dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 7215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// EmitStoreThroughLValue - Store the specified rvalue into the specified 7225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// lvalue, where both are guaranteed to the have the same type, and that type 7235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// is 'Ty'. 7245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void EmitStoreThroughLValue(RValue Src, LValue Dst, QualType Ty); 725213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman void EmitStoreThroughExtVectorComponentLValue(RValue Src, LValue Dst, 726213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman QualType Ty); 72785c59edda02df48fae8dc85049743319bc6e7e89Daniel Dunbar void EmitStoreThroughPropertyRefLValue(RValue Src, LValue Dst, QualType Ty); 72843f447098d5e6162fbfb97ed38365284207a7fbeFariborz Jahanian void EmitStoreThroughKVCRefLValue(RValue Src, LValue Dst, QualType Ty); 729ed3849b456d64d124bddc7ac044f3ce590bd9d69Daniel Dunbar 7300dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// EmitStoreThroughLValue - Store Src into Dst with same constraints as 7310dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// EmitStoreThroughLValue. 732ed3849b456d64d124bddc7ac044f3ce590bd9d69Daniel Dunbar /// 7330dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// \param Result [out] - If non-null, this will be set to a Value* for the 7340dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// bit-field contents after the store, appropriate for use as the result of 7350dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// an assignment to the bit-field. 736ed3849b456d64d124bddc7ac044f3ce590bd9d69Daniel Dunbar void EmitStoreThroughBitfieldLValue(RValue Src, LValue Dst, QualType Ty, 737ed3849b456d64d124bddc7ac044f3ce590bd9d69Daniel Dunbar llvm::Value **Result=0); 7380dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 73922c940ee588a420cd2e6c8f68be2ac3cc80061ffChristopher Lamb // Note: only availabe for agg return types 74080e62c29fe21cd06c93eba6e72b7e32dca06fcf9Daniel Dunbar LValue EmitBinaryOperatorLValue(const BinaryOperator *E); 7415b5c9ef865607e179413462dcd71bcebb5b7daaeDaniel Dunbar // Note: only available for agg return types 74222c940ee588a420cd2e6c8f68be2ac3cc80061ffChristopher Lamb LValue EmitCallExprLValue(const CallExpr *E); 7435b5c9ef865607e179413462dcd71bcebb5b7daaeDaniel Dunbar // Note: only available for agg return types 7445b5c9ef865607e179413462dcd71bcebb5b7daaeDaniel Dunbar LValue EmitVAArgExprLValue(const VAArgExpr *E); 7455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LValue EmitDeclRefLValue(const DeclRefExpr *E); 7465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LValue EmitStringLiteralLValue(const StringLiteral *E); 747eaf2bb89eb2aad3b80673de30febe52df43c10ecChris Lattner LValue EmitObjCEncodeExprLValue(const ObjCEncodeExpr *E); 748662b71ee82339c67f2c3689196e716c6560cf925Daniel Dunbar LValue EmitPredefinedFunctionName(unsigned Type); 749d9f6910f4ef37c0e8eeee2a01287d9572c3176efChris Lattner LValue EmitPredefinedLValue(const PredefinedExpr *E); 7505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LValue EmitUnaryOpLValue(const UnaryOperator *E); 7515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LValue EmitArraySubscriptExpr(const ArraySubscriptExpr *E); 752213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman LValue EmitExtVectorElementExpr(const ExtVectorElementExpr *E); 753b84a06e68ffd71da22e3c75b6e4bbdba37816413Devang Patel LValue EmitMemberExpr(const MemberExpr *E); 75406e863f2902b8ba55b056308875c19f7ba3dab25Eli Friedman LValue EmitCompoundLiteralLValue(const CompoundLiteralExpr *E); 7559034558f2f9ac1dc6bd2e74f4481ca62fce28718Daniel Dunbar LValue EmitConditionalOperator(const ConditionalOperator *E); 75675dfedaf702822c9e51a4f3c5d3ecf2d2ad99272Chris Lattner LValue EmitCastLValue(const CastExpr *E); 757472778eb4fce241721c563280886e98389bc7219Eli Friedman 7582a03192a02dbf4fdff438d1e658356bde871aba4Daniel Dunbar llvm::Value *EmitIvarOffset(const ObjCInterfaceDecl *Interface, 75929e0bccf2bcce22b877f8b2ed173f564c116b97eDaniel Dunbar const ObjCIvarDecl *Ivar); 760472778eb4fce241721c563280886e98389bc7219Eli Friedman LValue EmitLValueForField(llvm::Value* Base, FieldDecl* Field, 7611e692ace08959399794363e77499b73da5494af9Eli Friedman bool isUnion, unsigned CVRQualifiers); 76245012a7ef5abf1042c893f3f2fa5c23cb5485ea9Fariborz Jahanian LValue EmitLValueForIvar(QualType ObjectTy, 76345012a7ef5abf1042c893f3f2fa5c23cb5485ea9Fariborz Jahanian llvm::Value* Base, const ObjCIvarDecl *Ivar, 76429e0bccf2bcce22b877f8b2ed173f564c116b97eDaniel Dunbar unsigned CVRQualifiers); 76529e0bccf2bcce22b877f8b2ed173f564c116b97eDaniel Dunbar 766fd64bb635dc221baa19f81d5d2a084f7eb269f7fFariborz Jahanian LValue EmitLValueForBitfield(llvm::Value* Base, FieldDecl* Field, 767598d3f61b6ca854e9d3c2f3359e24468502a61aaFariborz Jahanian unsigned CVRQualifiers); 768fd64bb635dc221baa19f81d5d2a084f7eb269f7fFariborz Jahanian 769a99038c0757a836c6faeeddaa5dfd249b32f6e9eMike Stump LValue EmitBlockDeclRefLValue(const BlockDeclRefExpr *E); 770a99038c0757a836c6faeeddaa5dfd249b32f6e9eMike Stump 771e3a09e6ad09f8d1387ecaa008aaf85527909da0aArgyrios Kyrtzidis LValue EmitCXXConditionDeclLValue(const CXXConditionDeclExpr *E); 772b58d017f2b9eeed33f2ab3ede968b89cf5296bf2Anders Carlsson LValue EmitCXXConstructLValue(const CXXConstructExpr *E); 773e61c9e80a108b5db7e5f0e702f0e455d737c6390Anders Carlsson LValue EmitCXXBindTemporaryLValue(const CXXBindTemporaryExpr *E); 774b58d017f2b9eeed33f2ab3ede968b89cf5296bf2Anders Carlsson 7750a04d77bde7e3a661c2b41b60630d125d09ed6efDaniel Dunbar LValue EmitObjCMessageExprLValue(const ObjCMessageExpr *E); 776391d77a26382dddf25da73e29fc1fa5aaaea4c6fChris Lattner LValue EmitObjCIvarRefLValue(const ObjCIvarRefExpr *E); 77785c59edda02df48fae8dc85049743319bc6e7e89Daniel Dunbar LValue EmitObjCPropertyRefLValue(const ObjCPropertyRefExpr *E); 77843f447098d5e6162fbfb97ed38365284207a7fbeFariborz Jahanian LValue EmitObjCKVCRefLValue(const ObjCKVCRefExpr *E); 779654599454c8e6cc83b1b9b3af43c49c2f66a26cbChris Lattner LValue EmitObjCSuperExprLValue(const ObjCSuperExpr *E); 780654599454c8e6cc83b1b9b3af43c49c2f66a26cbChris Lattner LValue EmitStmtExprLValue(const StmtExpr *E); 7810a04d77bde7e3a661c2b41b60630d125d09ed6efDaniel Dunbar 7825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer //===--------------------------------------------------------------------===// 783883f6a7cc7dccb1d675e27121a82614d63492a8dChris Lattner // Scalar Expression Emission 7845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer //===--------------------------------------------------------------------===// 7855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7860dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// EmitCall - Generate a call of the given function, expecting the given 7870dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// result type, and using the given argument list which specifies both the 7880dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// LLVM arguments and the types they were derived from. 789c0ef9f59937c3971c48b6fed37cf5bd8985c024bDaniel Dunbar /// 790c0ef9f59937c3971c48b6fed37cf5bd8985c024bDaniel Dunbar /// \param TargetDecl - If given, the decl of the function in a 791c0ef9f59937c3971c48b6fed37cf5bd8985c024bDaniel Dunbar /// direct call; used to set attributes on the call (noreturn, 792c0ef9f59937c3971c48b6fed37cf5bd8985c024bDaniel Dunbar /// etc.). 79388b5396b0897f28d22ae3debf4a0d97b33b6c362Daniel Dunbar RValue EmitCall(const CGFunctionInfo &FnInfo, 79488b5396b0897f28d22ae3debf4a0d97b33b6c362Daniel Dunbar llvm::Value *Callee, 795c0ef9f59937c3971c48b6fed37cf5bd8985c024bDaniel Dunbar const CallArgList &Args, 796c0ef9f59937c3971c48b6fed37cf5bd8985c024bDaniel Dunbar const Decl *TargetDecl = 0); 797986477149db76e6d9f8d3c9859c9880c11b680aeAnders Carlsson 798986477149db76e6d9f8d3c9859c9880c11b680aeAnders Carlsson RValue EmitCall(llvm::Value *Callee, QualType FnType, 799986477149db76e6d9f8d3c9859c9880c11b680aeAnders Carlsson CallExpr::const_arg_iterator ArgBeg, 800986477149db76e6d9f8d3c9859c9880c11b680aeAnders Carlsson CallExpr::const_arg_iterator ArgEnd, 801986477149db76e6d9f8d3c9859c9880c11b680aeAnders Carlsson const Decl *TargetDecl = 0); 8025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer RValue EmitCallExpr(const CallExpr *E); 803b9de2c55b2a33776e2bee8ee57df7599b374c8a5Anders Carlsson 804b9de2c55b2a33776e2bee8ee57df7599b374c8a5Anders Carlsson RValue EmitCXXMemberCall(const CXXMethodDecl *MD, 805b9de2c55b2a33776e2bee8ee57df7599b374c8a5Anders Carlsson llvm::Value *Callee, 806b9de2c55b2a33776e2bee8ee57df7599b374c8a5Anders Carlsson llvm::Value *This, 807b9de2c55b2a33776e2bee8ee57df7599b374c8a5Anders Carlsson CallExpr::const_arg_iterator ArgBeg, 808b9de2c55b2a33776e2bee8ee57df7599b374c8a5Anders Carlsson CallExpr::const_arg_iterator ArgEnd); 809774e7c6881ee6cb970cd42239d700dce87ed402aAnders Carlsson RValue EmitCXXMemberCallExpr(const CXXMemberCallExpr *E); 8105549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek 8110f294632f36459174199b77699e339715244b5abAnders Carlsson RValue EmitCXXOperatorMemberCallExpr(const CXXOperatorCallExpr *E, 8120f294632f36459174199b77699e339715244b5abAnders Carlsson const CXXMethodDecl *MD); 8130f294632f36459174199b77699e339715244b5abAnders Carlsson 814ef2abfee3ea16ec74942dc09e9e425f46aeb2582Daniel Dunbar RValue EmitBuiltinExpr(const FunctionDecl *FD, 815ef2abfee3ea16ec74942dc09e9e425f46aeb2582Daniel Dunbar unsigned BuiltinID, const CallExpr *E); 8165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 817acfde805d644bc71dfeac54ddbc9f12cdae0bb02Anders Carlsson RValue EmitBlockCallExpr(const CallExpr *E); 81809429b962811f2c0a7a81a1b0a89f96f5878b20cMike Stump 8190dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// EmitTargetBuiltinExpr - Emit the given builtin call. Returns 0 if the call 8200dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// is unhandled by the current target. 821f02e9ddf5efc75917af712b3c7f909581205f0a5Daniel Dunbar llvm::Value *EmitTargetBuiltinExpr(unsigned BuiltinID, const CallExpr *E); 822f02e9ddf5efc75917af712b3c7f909581205f0a5Daniel Dunbar 823564f1de67d7ba43646b8740db86d6269e3dfbe0bAnders Carlsson llvm::Value *EmitX86BuiltinExpr(unsigned BuiltinID, const CallExpr *E); 824564f1de67d7ba43646b8740db86d6269e3dfbe0bAnders Carlsson llvm::Value *EmitPPCBuiltinExpr(unsigned BuiltinID, const CallExpr *E); 8250dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 826cc23acae84c6d5c37b4805edbcd95ee5d821c400Anders Carlsson llvm::Value *EmitShuffleVector(llvm::Value* V1, llvm::Value *V2, ...); 8274119d1aeca8016654d381ce079864058d1709571Nate Begeman llvm::Value *EmitVector(llvm::Value * const *Vals, unsigned NumVals, 8284119d1aeca8016654d381ce079864058d1709571Nate Begeman bool isSplat = false); 8290dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 830ed7c618f849e2541b1d0288c43154937652c5b15Daniel Dunbar llvm::Value *EmitObjCProtocolExpr(const ObjCProtocolExpr *E); 8317f02f721d48772e4eee4fccd8af4f800be1bbc1eChris Lattner llvm::Value *EmitObjCStringLiteral(const ObjCStringLiteral *E); 8328fdf32822be2238aa7db62d40e75b168b637ab7dChris Lattner llvm::Value *EmitObjCSelectorExpr(const ObjCSelectorExpr *E); 8338f2926b73ed635afecd020da787af6a837601a2bDaniel Dunbar RValue EmitObjCMessageExpr(const ObjCMessageExpr *E); 8345daf570d0ce027e18ed5f9d66e6b2a14a40b720dFariborz Jahanian RValue EmitObjCPropertyGet(const Expr *E); 835f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian RValue EmitObjCSuperPropertyGet(const Expr *Exp, const Selector &S); 83643f447098d5e6162fbfb97ed38365284207a7fbeFariborz Jahanian void EmitObjCPropertySet(const Expr *E, RValue Src); 837f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian void EmitObjCSuperPropertySet(const Expr *E, const Selector &S, RValue Src); 8388fdf32822be2238aa7db62d40e75b168b637ab7dChris Lattner 8398fdf32822be2238aa7db62d40e75b168b637ab7dChris Lattner 8404029ca7ae9d3ffd7738fe2ed8782bebc30f36fd6Anders Carlsson /// EmitReferenceBindingToExpr - Emits a reference binding to the passed in 8414029ca7ae9d3ffd7738fe2ed8782bebc30f36fd6Anders Carlsson /// expression. Will emit a temporary variable if E is not an LValue. 8424029ca7ae9d3ffd7738fe2ed8782bebc30f36fd6Anders Carlsson RValue EmitReferenceBindingToExpr(const Expr* E, QualType DestType); 8434029ca7ae9d3ffd7738fe2ed8782bebc30f36fd6Anders Carlsson 844883f6a7cc7dccb1d675e27121a82614d63492a8dChris Lattner //===--------------------------------------------------------------------===// 845bfc0c1ae4b505b52b36f572a9641f99e76879cabChris Lattner // Expression Emission 846883f6a7cc7dccb1d675e27121a82614d63492a8dChris Lattner //===--------------------------------------------------------------------===// 847bfc0c1ae4b505b52b36f572a9641f99e76879cabChris Lattner 848bfc0c1ae4b505b52b36f572a9641f99e76879cabChris Lattner // Expressions are broken into three classes: scalar, complex, aggregate. 8490dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 8500dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// EmitScalarExpr - Emit the computation of the specified expression of LLVM 8510dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// scalar type, returning the result. 8527f79f9be5916c51c35da4f126b7c12596a101607Mike Stump llvm::Value *EmitScalarExpr(const Expr *E , bool IgnoreResultAssign=false); 8530dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 8543707b255f8993fb362904c9cff87b0e9bc6ca317Chris Lattner /// EmitScalarConversion - Emit a conversion from the specified type to the 8553707b255f8993fb362904c9cff87b0e9bc6ca317Chris Lattner /// specified destination type, both of which are LLVM scalar types. 8563707b255f8993fb362904c9cff87b0e9bc6ca317Chris Lattner llvm::Value *EmitScalarConversion(llvm::Value *Src, QualType SrcTy, 8573707b255f8993fb362904c9cff87b0e9bc6ca317Chris Lattner QualType DstTy); 8580dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 8594f1a7b380809b4ca19ad2daff61bc11cd1e979d8Chris Lattner /// EmitComplexToScalarConversion - Emit a conversion from the specified 8600dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// complex type to the specified destination type, where the destination type 8610dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// is an LLVM scalar type. 8624f1a7b380809b4ca19ad2daff61bc11cd1e979d8Chris Lattner llvm::Value *EmitComplexToScalarConversion(ComplexPairTy Src, QualType SrcTy, 8634f1a7b380809b4ca19ad2daff61bc11cd1e979d8Chris Lattner QualType DstTy); 8640dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 8650dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 866883f6a7cc7dccb1d675e27121a82614d63492a8dChris Lattner /// EmitAggExpr - Emit the computation of the specified expression of 867883f6a7cc7dccb1d675e27121a82614d63492a8dChris Lattner /// aggregate type. The result is computed into DestPtr. Note that if 868883f6a7cc7dccb1d675e27121a82614d63492a8dChris Lattner /// DestPtr is null, the value of the aggregate expression is not needed. 86949d1cd5a09ed3df353371fd7f206674a85e0fb45Mike Stump void EmitAggExpr(const Expr *E, llvm::Value *DestPtr, bool VolatileDest, 87049d1cd5a09ed3df353371fd7f206674a85e0fb45Mike Stump bool IgnoreResult = false); 8710dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 872082b02e8403d3ee9d2ded969fbe0e5d472f04cd8Fariborz Jahanian /// EmitGCMemmoveCollectable - Emit special API for structs with object 873082b02e8403d3ee9d2ded969fbe0e5d472f04cd8Fariborz Jahanian /// pointers. 874082b02e8403d3ee9d2ded969fbe0e5d472f04cd8Fariborz Jahanian void EmitGCMemmoveCollectable(llvm::Value *DestPtr, llvm::Value *SrcPtr, 875082b02e8403d3ee9d2ded969fbe0e5d472f04cd8Fariborz Jahanian unsigned long); 876082b02e8403d3ee9d2ded969fbe0e5d472f04cd8Fariborz Jahanian 877b6ef18a2b06d6760459e1756a61f79ff496cee19Chris Lattner /// EmitComplexExpr - Emit the computation of the specified expression of 87823b1cdb0b5e089468bb8475b8ec9287af67b4b59Chris Lattner /// complex type, returning the result. 8797f79f9be5916c51c35da4f126b7c12596a101607Mike Stump ComplexPairTy EmitComplexExpr(const Expr *E, bool IgnoreReal = false, 8807f79f9be5916c51c35da4f126b7c12596a101607Mike Stump bool IgnoreImag = false, 8817f79f9be5916c51c35da4f126b7c12596a101607Mike Stump bool IgnoreRealAssign = false, 8827f79f9be5916c51c35da4f126b7c12596a101607Mike Stump bool IgnoreImagAssign = false); 8830dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 88423b1cdb0b5e089468bb8475b8ec9287af67b4b59Chris Lattner /// EmitComplexExprIntoAddr - Emit the computation of the specified expression 88523b1cdb0b5e089468bb8475b8ec9287af67b4b59Chris Lattner /// of complex type, storing into the specified Value*. 886190dbe203c2e892ac40f1786035c6c9be3f44a4cChris Lattner void EmitComplexExprIntoAddr(const Expr *E, llvm::Value *DestAddr, 887190dbe203c2e892ac40f1786035c6c9be3f44a4cChris Lattner bool DestIsVolatile); 8887f8ea5c5b3a6a4332a841eefdd86b0726722ea7bDaniel Dunbar 8897f8ea5c5b3a6a4332a841eefdd86b0726722ea7bDaniel Dunbar /// StoreComplexToAddr - Store a complex number into the specified address. 8907f8ea5c5b3a6a4332a841eefdd86b0726722ea7bDaniel Dunbar void StoreComplexToAddr(ComplexPairTy V, llvm::Value *DestAddr, 8917f8ea5c5b3a6a4332a841eefdd86b0726722ea7bDaniel Dunbar bool DestIsVolatile); 8929b65551d0b387a7597fb39356a4d8ef10046445eChris Lattner /// LoadComplexFromAddr - Load a complex number from the specified address. 8939b65551d0b387a7597fb39356a4d8ef10046445eChris Lattner ComplexPairTy LoadComplexFromAddr(llvm::Value *SrcAddr, bool SrcIsVolatile); 8942621fd1d6d3c5eadcae246859f62738645df7540Chris Lattner 8950096acf421c4609ce7f43e8b05f8c5ca866d4611Daniel Dunbar /// CreateStaticBlockVarDecl - Create a zero-initialized LLVM global 8960096acf421c4609ce7f43e8b05f8c5ca866d4611Daniel Dunbar /// for a static block var decl. 8970096acf421c4609ce7f43e8b05f8c5ca866d4611Daniel Dunbar llvm::GlobalVariable * CreateStaticBlockVarDecl(const VarDecl &D, 8980096acf421c4609ce7f43e8b05f8c5ca866d4611Daniel Dunbar const char *Separator, 8990096acf421c4609ce7f43e8b05f8c5ca866d4611Daniel Dunbar llvm::GlobalValue::LinkageTypes 9000096acf421c4609ce7f43e8b05f8c5ca866d4611Daniel Dunbar Linkage); 9010096acf421c4609ce7f43e8b05f8c5ca866d4611Daniel Dunbar 9023b2e16b3d25f6b311dba2871e2a566c96238c3d2Anders Carlsson /// EmitStaticCXXBlockVarDeclInit - Create the initializer for a C++ 9030096acf421c4609ce7f43e8b05f8c5ca866d4611Daniel Dunbar /// runtime initialized static block var decl. 9043b2e16b3d25f6b311dba2871e2a566c96238c3d2Anders Carlsson void EmitStaticCXXBlockVarDeclInit(const VarDecl &D, 9053b2e16b3d25f6b311dba2871e2a566c96238c3d2Anders Carlsson llvm::GlobalVariable *GV); 906e1b29efab32d02e114046d33cca242a88585bf8aAnders Carlsson 9073b2e16b3d25f6b311dba2871e2a566c96238c3d2Anders Carlsson /// EmitCXXGlobalVarDeclInit - Create the initializer for a C++ 9083b2e16b3d25f6b311dba2871e2a566c96238c3d2Anders Carlsson /// variable with global storage. 9093b2e16b3d25f6b311dba2871e2a566c96238c3d2Anders Carlsson void EmitCXXGlobalVarDeclInit(const VarDecl &D, llvm::Constant *DeclPtr); 9103b2e16b3d25f6b311dba2871e2a566c96238c3d2Anders Carlsson 9113b2e16b3d25f6b311dba2871e2a566c96238c3d2Anders Carlsson /// EmitCXXGlobalDtorRegistration - Emits a call to register the global ptr 9123b2e16b3d25f6b311dba2871e2a566c96238c3d2Anders Carlsson /// with the C++ runtime so that its destructor will be called at exit. 9133b2e16b3d25f6b311dba2871e2a566c96238c3d2Anders Carlsson void EmitCXXGlobalDtorRegistration(const CXXDestructorDecl *Dtor, 9143b2e16b3d25f6b311dba2871e2a566c96238c3d2Anders Carlsson llvm::Constant *DeclPtr); 9153b2e16b3d25f6b311dba2871e2a566c96238c3d2Anders Carlsson 91689ed31d3f9eeb8ec77c284a5cf404a74bf5e7acfAnders Carlsson /// GenerateCXXGlobalInitFunc - Generates code for initializing global 91789ed31d3f9eeb8ec77c284a5cf404a74bf5e7acfAnders Carlsson /// variables. 91889ed31d3f9eeb8ec77c284a5cf404a74bf5e7acfAnders Carlsson void GenerateCXXGlobalInitFunc(llvm::Function *Fn, 91989ed31d3f9eeb8ec77c284a5cf404a74bf5e7acfAnders Carlsson const VarDecl **Decls, 92089ed31d3f9eeb8ec77c284a5cf404a74bf5e7acfAnders Carlsson unsigned NumDecls); 92189ed31d3f9eeb8ec77c284a5cf404a74bf5e7acfAnders Carlsson 92231ccf377f4a676eb6c205b47eef435de616d5e2dAnders Carlsson void EmitCXXConstructExpr(llvm::Value *Dest, const CXXConstructExpr *E); 923b14095aa98c6fedd3625920c4ce834bcaf24d9f7Anders Carlsson 924b58d017f2b9eeed33f2ab3ede968b89cf5296bf2Anders Carlsson RValue EmitCXXExprWithTemporaries(const CXXExprWithTemporaries *E, 925b58d017f2b9eeed33f2ab3ede968b89cf5296bf2Anders Carlsson llvm::Value *AggLoc = 0, 926b58d017f2b9eeed33f2ab3ede968b89cf5296bf2Anders Carlsson bool isAggLocVolatile = false); 927b58d017f2b9eeed33f2ab3ede968b89cf5296bf2Anders Carlsson 9280ffb125996336fc7602b162c0a9e392f1a93060fDaniel Dunbar //===--------------------------------------------------------------------===// 9290ffb125996336fc7602b162c0a9e392f1a93060fDaniel Dunbar // Internal Helpers 9300ffb125996336fc7602b162c0a9e392f1a93060fDaniel Dunbar //===--------------------------------------------------------------------===// 9310dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 9320946ccd1e58c1f1da31ddbca67c5b6301ac8b255Chris Lattner /// ContainsLabel - Return true if the statement contains a label in it. If 9330946ccd1e58c1f1da31ddbca67c5b6301ac8b255Chris Lattner /// this statement is not executed normally, it not containing a label means 9340946ccd1e58c1f1da31ddbca67c5b6301ac8b255Chris Lattner /// that we can just remove the code. 9350946ccd1e58c1f1da31ddbca67c5b6301ac8b255Chris Lattner static bool ContainsLabel(const Stmt *S, bool IgnoreCaseStmts = false); 9360dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 9374bc0455d826e9634b7a68c0d06146edd633c9453Daniel Dunbar /// ConstantFoldsToSimpleInteger - If the specified expression does not fold 93831a0984b5cb4af99d2407c0f25bf5af68df681c6Chris Lattner /// to a constant, or if it does but contains a label, return 0. If it 93931a0984b5cb4af99d2407c0f25bf5af68df681c6Chris Lattner /// constant folds to 'true' and does not contain a label, return 1, if it 94031a0984b5cb4af99d2407c0f25bf5af68df681c6Chris Lattner /// constant folds to 'false' and does not contain a label, return -1. 94131a0984b5cb4af99d2407c0f25bf5af68df681c6Chris Lattner int ConstantFoldsToSimpleInteger(const Expr *Cond); 9420dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 94331a0984b5cb4af99d2407c0f25bf5af68df681c6Chris Lattner /// EmitBranchOnBoolExpr - Emit a branch on a boolean condition (e.g. for an 94431a0984b5cb4af99d2407c0f25bf5af68df681c6Chris Lattner /// if statement) to the specified blocks. Based on the condition, this might 94531a0984b5cb4af99d2407c0f25bf5af68df681c6Chris Lattner /// try to simplify the codegen of the conditional based on the branch. 9469bc47e29dce8f095be7a6d07dbb02a5a7a112949Chris Lattner void EmitBranchOnBoolExpr(const Expr *Cond, llvm::BasicBlock *TrueBlock, 9474bc0455d826e9634b7a68c0d06146edd633c9453Daniel Dunbar llvm::BasicBlock *FalseBlock); 94831a0984b5cb4af99d2407c0f25bf5af68df681c6Chris Lattnerprivate: 9490dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 9500ffb125996336fc7602b162c0a9e392f1a93060fDaniel Dunbar /// EmitIndirectSwitches - Emit code for all of the switch 9510ffb125996336fc7602b162c0a9e392f1a93060fDaniel Dunbar /// instructions in IndirectSwitches. 9520ffb125996336fc7602b162c0a9e392f1a93060fDaniel Dunbar void EmitIndirectSwitches(); 9535627377df5439a1d3d46a4e4cef4ae44f84a322bDaniel Dunbar 95429e0bccf2bcce22b877f8b2ed173f564c116b97eDaniel Dunbar void EmitReturnOfRValue(RValue RV, QualType Ty); 95529e0bccf2bcce22b877f8b2ed173f564c116b97eDaniel Dunbar 9565627377df5439a1d3d46a4e4cef4ae44f84a322bDaniel Dunbar /// ExpandTypeFromArgs - Reconstruct a structure of type \arg Ty 9575627377df5439a1d3d46a4e4cef4ae44f84a322bDaniel Dunbar /// from function arguments into \arg Dst. See ABIArgInfo::Expand. 9585627377df5439a1d3d46a4e4cef4ae44f84a322bDaniel Dunbar /// 9595627377df5439a1d3d46a4e4cef4ae44f84a322bDaniel Dunbar /// \param AI - The first function argument of the expansion. 9605627377df5439a1d3d46a4e4cef4ae44f84a322bDaniel Dunbar /// \return The argument following the last expanded function 9615627377df5439a1d3d46a4e4cef4ae44f84a322bDaniel Dunbar /// argument. 9620dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump llvm::Function::arg_iterator 9635627377df5439a1d3d46a4e4cef4ae44f84a322bDaniel Dunbar ExpandTypeFromArgs(QualType Ty, LValue Dst, 9645627377df5439a1d3d46a4e4cef4ae44f84a322bDaniel Dunbar llvm::Function::arg_iterator AI); 9655627377df5439a1d3d46a4e4cef4ae44f84a322bDaniel Dunbar 9660dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// ExpandTypeToArgs - Expand an RValue \arg Src, with the LLVM type for \arg 9670dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// Ty, into individual arguments on the provided vector \arg Args. See 9680dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// ABIArgInfo::Expand. 9690dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump void ExpandTypeToArgs(QualType Ty, RValue Src, 9705627377df5439a1d3d46a4e4cef4ae44f84a322bDaniel Dunbar llvm::SmallVector<llvm::Value*, 16> &Args); 971c8c7b187adcd989e01a9fba1ebead6c2abd770c9Anders Carlsson 972b84e8a670ad1d00c0a34295c42ac700cdde04815Daniel Dunbar llvm::Value* EmitAsmInput(const AsmStmt &S, 973b84e8a670ad1d00c0a34295c42ac700cdde04815Daniel Dunbar const TargetInfo::ConstraintInfo &Info, 974c8c7b187adcd989e01a9fba1ebead6c2abd770c9Anders Carlsson const Expr *InputExpr, std::string &ConstraintStr); 9750dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 976c71c845fe77ee1f891d60232ec320912d88557eeAnders Carlsson /// EmitCleanupBlock - emits a single cleanup block. 977c71c845fe77ee1f891d60232ec320912d88557eeAnders Carlsson void EmitCleanupBlock(); 978c71c845fe77ee1f891d60232ec320912d88557eeAnders Carlsson 97987eaf17cc88516277e4389dfa15df93ecfdce559Anders Carlsson /// AddBranchFixup - adds a branch instruction to the list of fixups for the 98087eaf17cc88516277e4389dfa15df93ecfdce559Anders Carlsson /// current cleanup scope. 98187eaf17cc88516277e4389dfa15df93ecfdce559Anders Carlsson void AddBranchFixup(llvm::BranchInst *BI); 9820dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 9830139bb96494b4c4ba0824617d5d2495dc7e44c76Anders Carlsson /// EmitCallArg - Emit a single call argument. 9840139bb96494b4c4ba0824617d5d2495dc7e44c76Anders Carlsson RValue EmitCallArg(const Expr *E, QualType ArgType); 9850139bb96494b4c4ba0824617d5d2495dc7e44c76Anders Carlsson 9860139bb96494b4c4ba0824617d5d2495dc7e44c76Anders Carlsson /// EmitCallArgs - Emit call arguments for a function. 987af23f69aa6247e6bd20a66b2e16babb91f192535Anders Carlsson /// The CallArgTypeInfo parameter is used for iterating over the known 988af23f69aa6247e6bd20a66b2e16babb91f192535Anders Carlsson /// argument types of the function being called. 989af23f69aa6247e6bd20a66b2e16babb91f192535Anders Carlsson template<typename T> 990af23f69aa6247e6bd20a66b2e16babb91f192535Anders Carlsson void EmitCallArgs(CallArgList& Args, const T* CallArgTypeInfo, 9910139bb96494b4c4ba0824617d5d2495dc7e44c76Anders Carlsson CallExpr::const_arg_iterator ArgBeg, 992af23f69aa6247e6bd20a66b2e16babb91f192535Anders Carlsson CallExpr::const_arg_iterator ArgEnd) { 993af23f69aa6247e6bd20a66b2e16babb91f192535Anders Carlsson CallExpr::const_arg_iterator Arg = ArgBeg; 994af23f69aa6247e6bd20a66b2e16babb91f192535Anders Carlsson 995af23f69aa6247e6bd20a66b2e16babb91f192535Anders Carlsson // First, use the argument types that the type info knows about 996af23f69aa6247e6bd20a66b2e16babb91f192535Anders Carlsson if (CallArgTypeInfo) { 997af23f69aa6247e6bd20a66b2e16babb91f192535Anders Carlsson for (typename T::arg_type_iterator I = CallArgTypeInfo->arg_type_begin(), 998af23f69aa6247e6bd20a66b2e16babb91f192535Anders Carlsson E = CallArgTypeInfo->arg_type_end(); I != E; ++I, ++Arg) { 999af23f69aa6247e6bd20a66b2e16babb91f192535Anders Carlsson QualType ArgType = *I; 1000af23f69aa6247e6bd20a66b2e16babb91f192535Anders Carlsson 1001af23f69aa6247e6bd20a66b2e16babb91f192535Anders Carlsson assert(getContext().getCanonicalType(ArgType.getNonReferenceType()). 1002af23f69aa6247e6bd20a66b2e16babb91f192535Anders Carlsson getTypePtr() == 1003af23f69aa6247e6bd20a66b2e16babb91f192535Anders Carlsson getContext().getCanonicalType(Arg->getType()).getTypePtr() && 1004af23f69aa6247e6bd20a66b2e16babb91f192535Anders Carlsson "type mismatch in call argument!"); 1005af23f69aa6247e6bd20a66b2e16babb91f192535Anders Carlsson 1006af23f69aa6247e6bd20a66b2e16babb91f192535Anders Carlsson Args.push_back(std::make_pair(EmitCallArg(*Arg, ArgType), 1007af23f69aa6247e6bd20a66b2e16babb91f192535Anders Carlsson ArgType)); 1008af23f69aa6247e6bd20a66b2e16babb91f192535Anders Carlsson } 1009af23f69aa6247e6bd20a66b2e16babb91f192535Anders Carlsson 1010af23f69aa6247e6bd20a66b2e16babb91f192535Anders Carlsson // Either we've emitted all the call args, or we have a call to a 1011af23f69aa6247e6bd20a66b2e16babb91f192535Anders Carlsson // variadic function. 10121768fabfbae60202ba497b98dd9be9eb09bb2e20Eli Friedman assert((Arg == ArgEnd || CallArgTypeInfo->isVariadic()) && 1013af23f69aa6247e6bd20a66b2e16babb91f192535Anders Carlsson "Extra arguments in non-variadic function!"); 1014af23f69aa6247e6bd20a66b2e16babb91f192535Anders Carlsson 1015af23f69aa6247e6bd20a66b2e16babb91f192535Anders Carlsson } 1016af23f69aa6247e6bd20a66b2e16babb91f192535Anders Carlsson 1017af23f69aa6247e6bd20a66b2e16babb91f192535Anders Carlsson // If we still have any arguments, emit them using the type of the argument. 1018af23f69aa6247e6bd20a66b2e16babb91f192535Anders Carlsson for (; Arg != ArgEnd; ++Arg) { 1019af23f69aa6247e6bd20a66b2e16babb91f192535Anders Carlsson QualType ArgType = Arg->getType(); 1020af23f69aa6247e6bd20a66b2e16babb91f192535Anders Carlsson Args.push_back(std::make_pair(EmitCallArg(*Arg, ArgType), 1021af23f69aa6247e6bd20a66b2e16babb91f192535Anders Carlsson ArgType)); 1022af23f69aa6247e6bd20a66b2e16babb91f192535Anders Carlsson } 1023af23f69aa6247e6bd20a66b2e16babb91f192535Anders Carlsson } 10245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 1025af23f69aa6247e6bd20a66b2e16babb91f192535Anders Carlsson 1026af23f69aa6247e6bd20a66b2e16babb91f192535Anders Carlsson 10275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace CodeGen 10285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace clang 10295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif 1031