CodeGenFunction.h revision 259e9ccf882d11491ad149aec5e6d7a061c9f938
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; 37259e9ccf882d11491ad149aec5e6d7a061c9f938Daniel Dunbar class Twine; 38ed3849b456d64d124bddc7ac044f3ce590bd9d69Daniel Dunbar class Value; 395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace clang { 425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class ASTContext; 437267c1693abe7875b0c57268be05005ae013c6c9Anders Carlsson class CXXDestructorDecl; 446815e941998659a55c20c147861b0f437928c3d8Anders Carlsson class CXXTryStmt; 455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class Decl; 46c4a1dea2dc56bd1357ec91b829a0b9e68229a13eDaniel Dunbar class EnumConstantDecl; 475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class FunctionDecl; 4872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor class FunctionProtoType; 49c4a1dea2dc56bd1357ec91b829a0b9e68229a13eDaniel Dunbar class LabelStmt; 50679a502d462ef819e6175b58e255ca3f3391e7cfFariborz Jahanian class ObjCContainerDecl; 5129e0bccf2bcce22b877f8b2ed173f564c116b97eDaniel Dunbar class ObjCInterfaceDecl; 5229e0bccf2bcce22b877f8b2ed173f564c116b97eDaniel Dunbar class ObjCIvarDecl; 53391d77a26382dddf25da73e29fc1fa5aaaea4c6fChris Lattner class ObjCMethodDecl; 54fef30b55230064d334a669a065a1c9acdb87cdfeFariborz Jahanian class ObjCImplementationDecl; 55af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar class ObjCPropertyImplDecl; 565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class TargetInfo; 57c4a1dea2dc56bd1357ec91b829a0b9e68229a13eDaniel Dunbar class VarDecl; 5816f0049415ec596504891259e2a83e19871c0d52Chris Lattner class ObjCForCollectionStmt; 5916f0049415ec596504891259e2a83e19871c0d52Chris Lattner class ObjCAtTryStmt; 6016f0049415ec596504891259e2a83e19871c0d52Chris Lattner class ObjCAtThrowStmt; 6116f0049415ec596504891259e2a83e19871c0d52Chris Lattner class ObjCAtSynchronizedStmt; 625549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek 635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace CodeGen { 645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class CodeGenModule; 65b84a06e68ffd71da22e3c75b6e4bbdba37816413Devang Patel class CodeGenTypes; 66e896d98548b02223c7740d807a0aa6e20fba7079Anders Carlsson class CGDebugInfo; 67bb36d331f439f49859efcfb4435c61762fbba6f9Daniel Dunbar class CGFunctionInfo; 680dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump class CGRecordLayout; 690dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// CodeGenFunction - This class organizes the per-function state that is used 715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// while generating LLVM code. 722a998148a6823c44d67da347c95eb2ea21f6b986Mike Stumpclass CodeGenFunction : public BlockFunction { 738a219ceda2b5afd447e7199b9c53079bead31b89Anders Carlsson CodeGenFunction(const CodeGenFunction&); // DO NOT IMPLEMENT 748a219ceda2b5afd447e7199b9c53079bead31b89Anders Carlsson void operator=(const CodeGenFunction&); // DO NOT IMPLEMENT 75bfc0c1ae4b505b52b36f572a9641f99e76879cabChris Lattnerpublic: 765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer CodeGenModule &CGM; // Per-module state. 775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer TargetInfo &Target; 780dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 7958dee10ed2eee34035f62d1c2d32b3639e9182f8Chris Lattner typedef std::pair<llvm::Value *, llvm::Value *> ComplexPairTy; 8045d196b8387dcefc4df26cda114fa34c6528e928Daniel Dunbar CGBuilderTy Builder; 810dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 82b5437d238752dc297e42410e98d38d5250fe0463Chris Lattner /// CurFuncDecl - Holds the Decl for the current function or ObjC method. 83b5437d238752dc297e42410e98d38d5250fe0463Chris Lattner /// This excludes BlockDecls. 844111024be81e7c0525e42dadcc126d27e5bf2425Chris Lattner const Decl *CurFuncDecl; 85b5437d238752dc297e42410e98d38d5250fe0463Chris Lattner /// CurCodeDecl - This is the inner-most code context, which includes blocks. 86b5437d238752dc297e42410e98d38d5250fe0463Chris Lattner const Decl *CurCodeDecl; 8788b5396b0897f28d22ae3debf4a0d97b33b6c362Daniel Dunbar const CGFunctionInfo *CurFnInfo; 88391d77a26382dddf25da73e29fc1fa5aaaea4c6fChris Lattner QualType FnRetTy; 895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::Function *CurFn; 905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 915ca2084cf9b529563209429857f01fdae9dcdfa5Daniel Dunbar /// ReturnBlock - Unified return block. 925ca2084cf9b529563209429857f01fdae9dcdfa5Daniel Dunbar llvm::BasicBlock *ReturnBlock; 930dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// ReturnValue - The temporary alloca to hold the return value. This is null 940dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// iff the function has no return value. 955ca2084cf9b529563209429857f01fdae9dcdfa5Daniel Dunbar llvm::Instruction *ReturnValue; 960dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// AllocaInsertPoint - This is an instruction in the entry block before which 985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// we prefer to insert allocas. 99481769b5dc102b0256b35581e787909ad5edfab5Chris Lattner llvm::AssertingVH<llvm::Instruction> AllocaInsertPt; 1000ffb125996336fc7602b162c0a9e392f1a93060fDaniel Dunbar 1015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const llvm::Type *LLVMIntTy; 1027b66000bdfc2684351fb03208e672f23012ed569Hartmut Kaiser uint32_t LLVMPointerWidth; 10318ccc7776ad6288c5f630dc7967fb99d099c9cd9Daniel Dunbar 10418ccc7776ad6288c5f630dc7967fb99d099c9cd9Daniel Dunbarpublic: 105fa1f756f88f4e6f3da2673082fdc1e8f54bccd6fAnders Carlsson /// ObjCEHValueStack - Stack of Objective-C exception values, used for 106fa1f756f88f4e6f3da2673082fdc1e8f54bccd6fAnders Carlsson /// rethrows. 107273558fbd891a0872e620e0d3d109b92c1160d72Anders Carlsson llvm::SmallVector<llvm::Value*, 8> ObjCEHValueStack; 1080dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 1096fc559136b8ef98bfb824a0fd49df385405f2879Anders Carlsson /// PushCleanupBlock - Push a new cleanup entry on the stack and set the 1106fc559136b8ef98bfb824a0fd49df385405f2879Anders Carlsson /// passed in block as the cleanup block. 1116fc559136b8ef98bfb824a0fd49df385405f2879Anders Carlsson void PushCleanupBlock(llvm::BasicBlock *CleanupBlock); 112bb66f9f2e454135b86462d121629275b6ac38e96Anders Carlsson 1130dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// CleanupBlockInfo - A struct representing a popped cleanup block. 114bb66f9f2e454135b86462d121629275b6ac38e96Anders Carlsson struct CleanupBlockInfo { 115bb66f9f2e454135b86462d121629275b6ac38e96Anders Carlsson /// CleanupBlock - the cleanup block 116bb66f9f2e454135b86462d121629275b6ac38e96Anders Carlsson llvm::BasicBlock *CleanupBlock; 1170dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 1180dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// SwitchBlock - the block (if any) containing the switch instruction used 1190dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// for jumping to the final destination. 120bb66f9f2e454135b86462d121629275b6ac38e96Anders Carlsson llvm::BasicBlock *SwitchBlock; 1210dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 122bb66f9f2e454135b86462d121629275b6ac38e96Anders Carlsson /// EndBlock - the default destination for the switch instruction. 123bb66f9f2e454135b86462d121629275b6ac38e96Anders Carlsson llvm::BasicBlock *EndBlock; 1240dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 1250dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump CleanupBlockInfo(llvm::BasicBlock *cb, llvm::BasicBlock *sb, 126bb66f9f2e454135b86462d121629275b6ac38e96Anders Carlsson llvm::BasicBlock *eb) 127bb66f9f2e454135b86462d121629275b6ac38e96Anders Carlsson : CleanupBlock(cb), SwitchBlock(sb), EndBlock(eb) {} 128bb66f9f2e454135b86462d121629275b6ac38e96Anders Carlsson }; 129bb66f9f2e454135b86462d121629275b6ac38e96Anders Carlsson 130bb66f9f2e454135b86462d121629275b6ac38e96Anders Carlsson /// PopCleanupBlock - Will pop the cleanup entry on the stack, process all 1310dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// branch fixups and return a block info struct with the switch block and end 1320dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// block. 133bb66f9f2e454135b86462d121629275b6ac38e96Anders Carlsson CleanupBlockInfo PopCleanupBlock(); 1340dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 1350dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// CleanupScope - RAII object that will create a cleanup block and set the 1360dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// insert point to that block. When destructed, it sets the insert point to 1370dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// the previous block and pushes a new cleanup entry on the stack. 1380d5c6851393d260dfb5ab0420b50adc173e1c549Anders Carlsson class CleanupScope { 1390d5c6851393d260dfb5ab0420b50adc173e1c549Anders Carlsson CodeGenFunction& CGF; 1400d5c6851393d260dfb5ab0420b50adc173e1c549Anders Carlsson llvm::BasicBlock *CurBB; 1416fc559136b8ef98bfb824a0fd49df385405f2879Anders Carlsson llvm::BasicBlock *CleanupBB; 1420dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 1430d5c6851393d260dfb5ab0420b50adc173e1c549Anders Carlsson public: 1440d5c6851393d260dfb5ab0420b50adc173e1c549Anders Carlsson CleanupScope(CodeGenFunction &cgf) 1450d5c6851393d260dfb5ab0420b50adc173e1c549Anders Carlsson : CGF(cgf), CurBB(CGF.Builder.GetInsertBlock()) { 1466fc559136b8ef98bfb824a0fd49df385405f2879Anders Carlsson CleanupBB = CGF.createBasicBlock("cleanup"); 1476fc559136b8ef98bfb824a0fd49df385405f2879Anders Carlsson CGF.Builder.SetInsertPoint(CleanupBB); 1480d5c6851393d260dfb5ab0420b50adc173e1c549Anders Carlsson } 1490dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 1500d5c6851393d260dfb5ab0420b50adc173e1c549Anders Carlsson ~CleanupScope() { 1516fc559136b8ef98bfb824a0fd49df385405f2879Anders Carlsson CGF.PushCleanupBlock(CleanupBB); 152d286f05f1234bac289173f0eed88d7ecbaea0099Daniel Dunbar // FIXME: This is silly, move this into the builder. 153d286f05f1234bac289173f0eed88d7ecbaea0099Daniel Dunbar if (CurBB) 154d286f05f1234bac289173f0eed88d7ecbaea0099Daniel Dunbar CGF.Builder.SetInsertPoint(CurBB); 155d286f05f1234bac289173f0eed88d7ecbaea0099Daniel Dunbar else 156d286f05f1234bac289173f0eed88d7ecbaea0099Daniel Dunbar CGF.Builder.ClearInsertionPoint(); 1570d5c6851393d260dfb5ab0420b50adc173e1c549Anders Carlsson } 1580d5c6851393d260dfb5ab0420b50adc173e1c549Anders Carlsson }; 1590d5c6851393d260dfb5ab0420b50adc173e1c549Anders Carlsson 160c71c845fe77ee1f891d60232ec320912d88557eeAnders Carlsson /// EmitCleanupBlocks - Takes the old cleanup stack size and emits the cleanup 161c71c845fe77ee1f891d60232ec320912d88557eeAnders Carlsson /// blocks that have been added. 162c71c845fe77ee1f891d60232ec320912d88557eeAnders Carlsson void EmitCleanupBlocks(size_t OldCleanupStackSize); 163c71c845fe77ee1f891d60232ec320912d88557eeAnders Carlsson 16487eaf17cc88516277e4389dfa15df93ecfdce559Anders Carlsson /// EmitBranchThroughCleanup - Emit a branch from the current insert block 16587eaf17cc88516277e4389dfa15df93ecfdce559Anders Carlsson /// through the cleanup handling code (if any) and then on to \arg Dest. 16687eaf17cc88516277e4389dfa15df93ecfdce559Anders Carlsson /// 1670dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// FIXME: Maybe this should really be in EmitBranch? Don't we always want 16887eaf17cc88516277e4389dfa15df93ecfdce559Anders Carlsson /// this behavior for branches? 16987eaf17cc88516277e4389dfa15df93ecfdce559Anders Carlsson void EmitBranchThroughCleanup(llvm::BasicBlock *Dest); 1700dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 1711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// PushConditionalTempDestruction - Should be called before a conditional 1721d8475067d5b62ed5a57ba93862e23f3096a8bddAnders Carlsson /// part of an expression is emitted. For example, before the RHS of the 1731d8475067d5b62ed5a57ba93862e23f3096a8bddAnders Carlsson /// expression below is emitted: 1741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// 1751d8475067d5b62ed5a57ba93862e23f3096a8bddAnders Carlsson /// b && f(T()); 1761d8475067d5b62ed5a57ba93862e23f3096a8bddAnders Carlsson /// 1771d8475067d5b62ed5a57ba93862e23f3096a8bddAnders Carlsson /// This is used to make sure that any temporaryes created in the conditional 1781d8475067d5b62ed5a57ba93862e23f3096a8bddAnders Carlsson /// branch are only destroyed if the branch is taken. 1791d8475067d5b62ed5a57ba93862e23f3096a8bddAnders Carlsson void PushConditionalTempDestruction(); 1801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// PopConditionalTempDestruction - Should be called after a conditional 1821d8475067d5b62ed5a57ba93862e23f3096a8bddAnders Carlsson /// part of an expression has been emitted. 1831d8475067d5b62ed5a57ba93862e23f3096a8bddAnders Carlsson void PopConditionalTempDestruction(); 1841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1857f02f721d48772e4eee4fccd8af4f800be1bbc1eChris Lattnerprivate: 186e896d98548b02223c7740d807a0aa6e20fba7079Anders Carlsson CGDebugInfo* DebugInfo; 18709429b962811f2c0a7a81a1b0a89f96f5878b20cMike Stump 1880dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// LabelIDs - Track arbitrary ids assigned to labels for use in implementing 1890dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// the GCC address-of-label extension and indirect goto. IDs are assigned to 1900dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// labels inside getIDForAddrOfLabel(). 1910ffb125996336fc7602b162c0a9e392f1a93060fDaniel Dunbar std::map<const LabelStmt*, unsigned> LabelIDs; 1920ffb125996336fc7602b162c0a9e392f1a93060fDaniel Dunbar 1933d00fdc82fd550ae4bfbb2e700a1fc85bbd6d6fdChris Lattner /// IndirectGotoSwitch - The first time an indirect goto is seen we create a 1943d00fdc82fd550ae4bfbb2e700a1fc85bbd6d6fdChris Lattner /// block with the switch for the indirect gotos. Every time we see the 1953d00fdc82fd550ae4bfbb2e700a1fc85bbd6d6fdChris Lattner /// address of a label taken, we add the label to the indirect goto. Every 1963d00fdc82fd550ae4bfbb2e700a1fc85bbd6d6fdChris Lattner /// subsequent indirect goto is codegen'd as a jump to the 1973d00fdc82fd550ae4bfbb2e700a1fc85bbd6d6fdChris Lattner /// IndirectGotoSwitch's basic block. 1983d00fdc82fd550ae4bfbb2e700a1fc85bbd6d6fdChris Lattner llvm::SwitchInst *IndirectGotoSwitch; 1990ffb125996336fc7602b162c0a9e392f1a93060fDaniel Dunbar 2000dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// LocalDeclMap - This keeps track of the LLVM allocas or globals for local C 2010dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// decls. 2025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::DenseMap<const Decl*, llvm::Value*> LocalDeclMap; 2035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// LabelMap - This keeps track of the LLVM basic block for each C label. 2055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::DenseMap<const LabelStmt*, llvm::BasicBlock*> LabelMap; 2060dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 2070dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump // BreakContinueStack - This keeps track of where break and continue 208e4b6d342c29d5cb9d311756100df1603810fa892Anders Carlsson // statements should jump to. 209da13870e99fe33934b2122f06528a5063f78ae4cChris Lattner struct BreakContinue { 210e4b6d342c29d5cb9d311756100df1603810fa892Anders Carlsson BreakContinue(llvm::BasicBlock *bb, llvm::BasicBlock *cb) 211e4b6d342c29d5cb9d311756100df1603810fa892Anders Carlsson : BreakBlock(bb), ContinueBlock(cb) {} 2120dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 213da13870e99fe33934b2122f06528a5063f78ae4cChris Lattner llvm::BasicBlock *BreakBlock; 214da13870e99fe33934b2122f06528a5063f78ae4cChris Lattner llvm::BasicBlock *ContinueBlock; 2150dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump }; 216da13870e99fe33934b2122f06528a5063f78ae4cChris Lattner llvm::SmallVector<BreakContinue, 8> BreakContinueStack; 21718ccc7776ad6288c5f630dc7967fb99d099c9cd9Daniel Dunbar 2180dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// SwitchInsn - This is nearest current switch instruction. It is null if if 2190dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// current context is not in a switch. 22051b09f2c528c8460b5465c676173324e44176d62Devang Patel llvm::SwitchInst *SwitchInsn; 22151b09f2c528c8460b5465c676173324e44176d62Devang Patel 2220dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// CaseRangeBlock - This block holds if condition check for last case 22380fd5f96e6805ac43aab99faabd5b4c8b19551b7Devang Patel /// statement range in current switch instruction. 224c049e4f406a7f7179eba98659044a32508e53289Devang Patel llvm::BasicBlock *CaseRangeBlock; 225c049e4f406a7f7179eba98659044a32508e53289Devang Patel 2269834ffbe54788239c8361d3cfe5826fd277ddfb2Daniel Dunbar /// InvokeDest - This is the nearest exception target for calls 2279834ffbe54788239c8361d3cfe5826fd277ddfb2Daniel Dunbar /// which can unwind, when exceptions are being used. 2289834ffbe54788239c8361d3cfe5826fd277ddfb2Daniel Dunbar llvm::BasicBlock *InvokeDest; 2299834ffbe54788239c8361d3cfe5826fd277ddfb2Daniel Dunbar 2300dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump // VLASizeMap - This keeps track of the associated size for each VLA type. 231bbed6b964414145b29e7b60b3e538093734ea3f8Eli Friedman // We track this by the size expression rather than the type itself because 232bbed6b964414145b29e7b60b3e538093734ea3f8Eli Friedman // in certain situations, like a const qualifier applied to an VLA typedef, 233bbed6b964414145b29e7b60b3e538093734ea3f8Eli Friedman // multiple VLA types can share the same size expression. 2340dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump // FIXME: Maybe this could be a stack of maps that is pushed/popped as we 2350dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump // enter/leave scopes. 236bbed6b964414145b29e7b60b3e538093734ea3f8Eli Friedman llvm::DenseMap<const Expr*, llvm::Value*> VLASizeMap; 2370dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 2384cc1a4703363ff940b6273aeef9d96a87edeb04bAnders Carlsson /// DidCallStackSave - Whether llvm.stacksave has been called. Used to avoid 2394cc1a4703363ff940b6273aeef9d96a87edeb04bAnders Carlsson /// calling llvm.stacksave for multiple VLAs in the same scope. 2404cc1a4703363ff940b6273aeef9d96a87edeb04bAnders Carlsson bool DidCallStackSave; 24109429b962811f2c0a7a81a1b0a89f96f5878b20cMike Stump 2426ccc47698d0311ddabf32fa0f6db8e4f09ac96f8Anders Carlsson struct CleanupEntry { 2436ccc47698d0311ddabf32fa0f6db8e4f09ac96f8Anders Carlsson /// CleanupBlock - The block of code that does the actual cleanup. 2446ccc47698d0311ddabf32fa0f6db8e4f09ac96f8Anders Carlsson llvm::BasicBlock *CleanupBlock; 2450dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 2466ccc47698d0311ddabf32fa0f6db8e4f09ac96f8Anders Carlsson /// Blocks - Basic blocks that were emitted in the current cleanup scope. 247bb66f9f2e454135b86462d121629275b6ac38e96Anders Carlsson std::vector<llvm::BasicBlock *> Blocks; 2486ccc47698d0311ddabf32fa0f6db8e4f09ac96f8Anders Carlsson 2496ccc47698d0311ddabf32fa0f6db8e4f09ac96f8Anders Carlsson /// BranchFixups - Branch instructions to basic blocks that haven't been 2506ccc47698d0311ddabf32fa0f6db8e4f09ac96f8Anders Carlsson /// inserted into the current function yet. 251bb66f9f2e454135b86462d121629275b6ac38e96Anders Carlsson std::vector<llvm::BranchInst *> BranchFixups; 2526ccc47698d0311ddabf32fa0f6db8e4f09ac96f8Anders Carlsson 2536ccc47698d0311ddabf32fa0f6db8e4f09ac96f8Anders Carlsson explicit CleanupEntry(llvm::BasicBlock *cb) 2546ccc47698d0311ddabf32fa0f6db8e4f09ac96f8Anders Carlsson : CleanupBlock(cb) {} 2556ccc47698d0311ddabf32fa0f6db8e4f09ac96f8Anders Carlsson }; 2560dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 2576ccc47698d0311ddabf32fa0f6db8e4f09ac96f8Anders Carlsson /// CleanupEntries - Stack of cleanup entries. 2586ccc47698d0311ddabf32fa0f6db8e4f09ac96f8Anders Carlsson llvm::SmallVector<CleanupEntry, 8> CleanupEntries; 2596ccc47698d0311ddabf32fa0f6db8e4f09ac96f8Anders Carlsson 260bd6fa3d032acd7eafc6c10827c41103df45beab7Anders Carlsson typedef llvm::DenseMap<llvm::BasicBlock*, size_t> BlockScopeMap; 261bd6fa3d032acd7eafc6c10827c41103df45beab7Anders Carlsson 262bd6fa3d032acd7eafc6c10827c41103df45beab7Anders Carlsson /// BlockScopes - Map of which "cleanup scope" scope basic blocks have. 263bd6fa3d032acd7eafc6c10827c41103df45beab7Anders Carlsson BlockScopeMap BlockScopes; 2640dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 2652b77ba8bc7a842829ad9193816dc1d7d5e9c5be6Anders Carlsson /// CXXThisDecl - When parsing an C++ function, this will hold the implicit 2662b77ba8bc7a842829ad9193816dc1d7d5e9c5be6Anders Carlsson /// 'this' declaration. 2672b77ba8bc7a842829ad9193816dc1d7d5e9c5be6Anders Carlsson ImplicitParamDecl *CXXThisDecl; 2681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 269e8b5578fcc2a3ffb90986f95f2c9127a9a08e34bAnders Carlsson /// CXXLiveTemporaryInfo - Holds information about a live C++ temporary. 270e8b5578fcc2a3ffb90986f95f2c9127a9a08e34bAnders Carlsson struct CXXLiveTemporaryInfo { 271e8b5578fcc2a3ffb90986f95f2c9127a9a08e34bAnders Carlsson /// Temporary - The live temporary. 272e8b5578fcc2a3ffb90986f95f2c9127a9a08e34bAnders Carlsson const CXXTemporary *Temporary; 2731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 274e8b5578fcc2a3ffb90986f95f2c9127a9a08e34bAnders Carlsson /// ThisPtr - The pointer to the temporary. 275e8b5578fcc2a3ffb90986f95f2c9127a9a08e34bAnders Carlsson llvm::Value *ThisPtr; 2761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 277e8b5578fcc2a3ffb90986f95f2c9127a9a08e34bAnders Carlsson /// DtorBlock - The destructor block. 278e8b5578fcc2a3ffb90986f95f2c9127a9a08e34bAnders Carlsson llvm::BasicBlock *DtorBlock; 2791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 280e8b5578fcc2a3ffb90986f95f2c9127a9a08e34bAnders Carlsson /// CondPtr - If this is a conditional temporary, this is the pointer to 281e8b5578fcc2a3ffb90986f95f2c9127a9a08e34bAnders Carlsson /// the condition variable that states whether the destructor should be 282e8b5578fcc2a3ffb90986f95f2c9127a9a08e34bAnders Carlsson /// called or not. 283e8b5578fcc2a3ffb90986f95f2c9127a9a08e34bAnders Carlsson llvm::Value *CondPtr; 2841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 285e8b5578fcc2a3ffb90986f95f2c9127a9a08e34bAnders Carlsson CXXLiveTemporaryInfo(const CXXTemporary *temporary, 286f4b8fea84a6b1ef74cf8fe572918439e34935e51Anders Carlsson llvm::Value *thisptr, llvm::BasicBlock *dtorblock, 287f4b8fea84a6b1ef74cf8fe572918439e34935e51Anders Carlsson llvm::Value *condptr) 2881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump : Temporary(temporary), ThisPtr(thisptr), DtorBlock(dtorblock), 289e8b5578fcc2a3ffb90986f95f2c9127a9a08e34bAnders Carlsson CondPtr(condptr) { } 290e8b5578fcc2a3ffb90986f95f2c9127a9a08e34bAnders Carlsson }; 2911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 292e8b5578fcc2a3ffb90986f95f2c9127a9a08e34bAnders Carlsson llvm::SmallVector<CXXLiveTemporaryInfo, 4> LiveTemporaries; 2931d8475067d5b62ed5a57ba93862e23f3096a8bddAnders Carlsson 2941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// ConditionalTempDestructionStack - Contains the number of live temporaries 2951d8475067d5b62ed5a57ba93862e23f3096a8bddAnders Carlsson /// when PushConditionalTempDestruction was called. This is used so that 2961d8475067d5b62ed5a57ba93862e23f3096a8bddAnders Carlsson /// we know how many temporaries were created by a certain expression. 2971d8475067d5b62ed5a57ba93862e23f3096a8bddAnders Carlsson llvm::SmallVector<size_t, 4> ConditionalTempDestructionStack; 2981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2997dfa4079f4b37507048b19bfc693d3b015d9dd11Anders Carlsson 3007dfa4079f4b37507048b19bfc693d3b015d9dd11Anders Carlsson /// ByrefValueInfoMap - For each __block variable, contains a pair of the LLVM 3017dfa4079f4b37507048b19bfc693d3b015d9dd11Anders Carlsson /// type as well as the field number that contains the actual data. 3027dfa4079f4b37507048b19bfc693d3b015d9dd11Anders Carlsson llvm::DenseMap<const ValueDecl *, std::pair<const llvm::Type *, 3037dfa4079f4b37507048b19bfc693d3b015d9dd11Anders Carlsson unsigned> > ByRefValueInfo; 3047dfa4079f4b37507048b19bfc693d3b015d9dd11Anders Carlsson 3057dfa4079f4b37507048b19bfc693d3b015d9dd11Anders Carlsson /// getByrefValueFieldNumber - Given a declaration, returns the LLVM field 3067dfa4079f4b37507048b19bfc693d3b015d9dd11Anders Carlsson /// number that holds the value. 3077dfa4079f4b37507048b19bfc693d3b015d9dd11Anders Carlsson unsigned getByRefValueLLVMField(const ValueDecl *VD) const; 3087dfa4079f4b37507048b19bfc693d3b015d9dd11Anders Carlsson 3095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 3105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer CodeGenFunction(CodeGenModule &cgm); 3110dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 3125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ASTContext &getContext() const; 313e896d98548b02223c7740d807a0aa6e20fba7079Anders Carlsson CGDebugInfo *getDebugInfo() { return DebugInfo; } 3145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3159834ffbe54788239c8361d3cfe5826fd277ddfb2Daniel Dunbar llvm::BasicBlock *getInvokeDest() { return InvokeDest; } 3169834ffbe54788239c8361d3cfe5826fd277ddfb2Daniel Dunbar void setInvokeDest(llvm::BasicBlock *B) { InvokeDest = B; } 3179834ffbe54788239c8361d3cfe5826fd277ddfb2Daniel Dunbar 318a1cf15f4680e5cf39e72e28c5ea854fcba792e84Owen Anderson llvm::LLVMContext &getLLVMContext() { return VMContext; } 31969243825cb5c91ec7207256aa57ae327cfaf8cb2Owen Anderson 3209834ffbe54788239c8361d3cfe5826fd277ddfb2Daniel Dunbar //===--------------------------------------------------------------------===// 3219834ffbe54788239c8361d3cfe5826fd277ddfb2Daniel Dunbar // Objective-C 3229834ffbe54788239c8361d3cfe5826fd277ddfb2Daniel Dunbar //===--------------------------------------------------------------------===// 3239834ffbe54788239c8361d3cfe5826fd277ddfb2Daniel Dunbar 324391d77a26382dddf25da73e29fc1fa5aaaea4c6fChris Lattner void GenerateObjCMethod(const ObjCMethodDecl *OMD); 325af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar 3260dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump void StartObjCMethod(const ObjCMethodDecl *MD, 327679a502d462ef819e6175b58e255ca3f3391e7cfFariborz Jahanian const ObjCContainerDecl *CD); 328af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar 3290dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// GenerateObjCGetter - Synthesize an Objective-C property getter function. 330fef30b55230064d334a669a065a1c9acdb87cdfeFariborz Jahanian void GenerateObjCGetter(ObjCImplementationDecl *IMP, 331fef30b55230064d334a669a065a1c9acdb87cdfeFariborz Jahanian const ObjCPropertyImplDecl *PID); 332af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar 3330dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// GenerateObjCSetter - Synthesize an Objective-C property setter function 3340dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// for the given property. 335fef30b55230064d334a669a065a1c9acdb87cdfeFariborz Jahanian void GenerateObjCSetter(ObjCImplementationDecl *IMP, 336fef30b55230064d334a669a065a1c9acdb87cdfeFariborz Jahanian const ObjCPropertyImplDecl *PID); 337af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar 3384e7a1f7682d94811bd41fca8aefccc38f686db23Mike Stump //===--------------------------------------------------------------------===// 3394e7a1f7682d94811bd41fca8aefccc38f686db23Mike Stump // Block Bits 3404e7a1f7682d94811bd41fca8aefccc38f686db23Mike Stump //===--------------------------------------------------------------------===// 3414e7a1f7682d94811bd41fca8aefccc38f686db23Mike Stump 3428a2b4b1c5b960710db95e9b296d9a600aee37c00Mike Stump llvm::Value *BuildBlockLiteralTmp(const BlockExpr *); 343a803b0e6ca0d1c71a0b3f5d7380da8bbacf2f983Mike Stump llvm::Constant *BuildDescriptorBlockDecl(bool BlockHasCopyDispose, 344a803b0e6ca0d1c71a0b3f5d7380da8bbacf2f983Mike Stump uint64_t Size, 3450892099dbc640720400a1d9decd2733a09d733e5Mike Stump const llvm::StructType *, 3460892099dbc640720400a1d9decd2733a09d733e5Mike Stump std::vector<HelperInfo> *); 3474e7a1f7682d94811bd41fca8aefccc38f686db23Mike Stump 348161d36de7ee686b09525bb919ad1b20592e499fcChris Lattner llvm::Function *GenerateBlockFunction(const BlockExpr *BExpr, 3494e7a1f7682d94811bd41fca8aefccc38f686db23Mike Stump const BlockInfo& Info, 3506cc88f78fd36d3511b89412b193494b3e423cbffMike Stump const Decl *OuterFuncDecl, 3517f28a9c37e67ae16396042ad9c085830969daf29Mike Stump llvm::DenseMap<const Decl*, llvm::Value*> ldm, 3528a2b4b1c5b960710db95e9b296d9a600aee37c00Mike Stump uint64_t &Size, uint64_t &Align, 35300470a1c4c44c5ed26bad9a38b4d3904b02d7a28Mike Stump llvm::SmallVector<const Expr *, 8> &subBlockDeclRefDecls, 35400470a1c4c44c5ed26bad9a38b4d3904b02d7a28Mike Stump bool &subBlockHasCopyDispose); 3554e7a1f7682d94811bd41fca8aefccc38f686db23Mike Stump 3566cc88f78fd36d3511b89412b193494b3e423cbffMike Stump void BlockForwardSelf(); 3574e7a1f7682d94811bd41fca8aefccc38f686db23Mike Stump llvm::Value *LoadBlockStruct(); 3584e7a1f7682d94811bd41fca8aefccc38f686db23Mike Stump 359a99038c0757a836c6faeeddaa5dfd249b32f6e9eMike Stump llvm::Value *GetAddrOfBlockDecl(const BlockDeclRefExpr *E); 3609ad5513b0f9d3999705659fb1aeb0e6c53455f43Anders Carlsson const llvm::Type *BuildByRefType(const ValueDecl *D); 361dab514fc30242c7afd6c03956e46136c400fb0d3Mike Stump 3620ff8bafde95f6fa51ccea70738c1b99db870bddcAnders Carlsson void GenerateCode(GlobalDecl GD, llvm::Function *Fn); 3630ff8bafde95f6fa51ccea70738c1b99db870bddcAnders Carlsson void StartFunction(GlobalDecl GD, QualType RetTy, 3647c086516f3cc9fba2733b1919973206c6ba4b171Daniel Dunbar llvm::Function *Fn, 3652284ac9ec80299fcdefae9a2787cf85105a0f203Daniel Dunbar const FunctionArgList &Args, 3662284ac9ec80299fcdefae9a2787cf85105a0f203Daniel Dunbar SourceLocation StartLoc); 367a448fb2da03ece39978784793eea68760e8205a1Daniel Dunbar 3680dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// EmitReturnBlock - Emit the unified return block, trying to avoid its 3690dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// emission when possible. 3701c1d6074f5a0296dd273362655b1b8f9057289e3Daniel Dunbar void EmitReturnBlock(); 3711c1d6074f5a0296dd273362655b1b8f9057289e3Daniel Dunbar 3720dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// FinishFunction - Complete IR generation of the current function. It is 3730dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// legal to call this function even if there is no current insertion point. 374af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar void FinishFunction(SourceLocation EndLoc=SourceLocation()); 37517b708d61827cd86278e9580b041dd6cbadf07d3Daniel Dunbar 376b3d8837214e7346f11e70fecb323f552a259840bMike Stump /// GenerateVtable - Generate the vtable for the given type. 377f121677b6bbbf4e4a51ee7a1120b77adf187bad4Mike Stump llvm::Value *GenerateVtable(const CXXRecordDecl *RD); 378f121677b6bbbf4e4a51ee7a1120b77adf187bad4Mike Stump 379ed032eb5c18b99528cbd76415337b6056a72b911Mike Stump /// GenerateThunk - Generate a thunk for the given method 380ed032eb5c18b99528cbd76415337b6056a72b911Mike Stump llvm::Constant *GenerateThunk(llvm::Function *Fn, const CXXMethodDecl *MD, 38177ca8f6c5e666ef873066b580bf1b7fabd41d4f5Mike Stump bool Extern, int64_t nv, int64_t v); 3826e319f6adc2a06c31cf99265854eef1321bcecf2Mike Stump llvm::Constant *GenerateCovariantThunk(llvm::Function *Fn, 3836e319f6adc2a06c31cf99265854eef1321bcecf2Mike Stump const CXXMethodDecl *MD, bool Extern, 3846e319f6adc2a06c31cf99265854eef1321bcecf2Mike Stump int64_t nv_t, int64_t v_t, 3856e319f6adc2a06c31cf99265854eef1321bcecf2Mike Stump int64_t nv_r, int64_t v_r); 386ed032eb5c18b99528cbd76415337b6056a72b911Mike Stump 387de1d26b9c1d8823b173e4d77015ad88b4da70559Anders Carlsson void EmitCtorPrologue(const CXXConstructorDecl *CD, CXXCtorType Type); 3881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 389de1d26b9c1d8823b173e4d77015ad88b4da70559Anders Carlsson void SynthesizeCXXCopyConstructor(const CXXConstructorDecl *Ctor, 390de1d26b9c1d8823b173e4d77015ad88b4da70559Anders Carlsson CXXCtorType Type, 3918c241a2844428eb1589c7b77fc6c1888295a2045Fariborz Jahanian llvm::Function *Fn, 3928c241a2844428eb1589c7b77fc6c1888295a2045Fariborz Jahanian const FunctionArgList &Args); 3931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3942198ba12b73a8e6801d13f25de38031da6df46b6Fariborz Jahanian void SynthesizeCXXCopyAssignment(const CXXMethodDecl *CD, 3952198ba12b73a8e6801d13f25de38031da6df46b6Fariborz Jahanian llvm::Function *Fn, 3962198ba12b73a8e6801d13f25de38031da6df46b6Fariborz Jahanian const FunctionArgList &Args); 3971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 398de1d26b9c1d8823b173e4d77015ad88b4da70559Anders Carlsson void SynthesizeDefaultConstructor(const CXXConstructorDecl *Ctor, 399de1d26b9c1d8823b173e4d77015ad88b4da70559Anders Carlsson CXXCtorType Type, 40006f598aa45b651f9f3be0b916d43876eae747af0Fariborz Jahanian llvm::Function *Fn, 40106f598aa45b651f9f3be0b916d43876eae747af0Fariborz Jahanian const FunctionArgList &Args); 4021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 403de1d26b9c1d8823b173e4d77015ad88b4da70559Anders Carlsson void SynthesizeDefaultDestructor(const CXXDestructorDecl *Dtor, 404de1d26b9c1d8823b173e4d77015ad88b4da70559Anders Carlsson CXXDtorType Type, 405de1d26b9c1d8823b173e4d77015ad88b4da70559Anders Carlsson llvm::Function *Fn, 406de1d26b9c1d8823b173e4d77015ad88b4da70559Anders Carlsson const FunctionArgList &Args); 4071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 408426cc3828ce07a2cff15c9837f5958e6fc4b7739Fariborz Jahanian /// EmitDtorEpilogue - Emit all code that comes at the end of class's 4091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// destructor. This is to call destructors on members and base classes 410426cc3828ce07a2cff15c9837f5958e6fc4b7739Fariborz Jahanian /// in reverse order of their construction. 411de1d26b9c1d8823b173e4d77015ad88b4da70559Anders Carlsson void EmitDtorEpilogue(const CXXDestructorDecl *Dtor, 412de1d26b9c1d8823b173e4d77015ad88b4da70559Anders Carlsson CXXDtorType Type); 4131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4140dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// EmitFunctionProlog - Emit the target specific LLVM code to load the 4150dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// arguments for the given function. This is also responsible for naming the 4160dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// LLVM function arguments. 41788b5396b0897f28d22ae3debf4a0d97b33b6c362Daniel Dunbar void EmitFunctionProlog(const CGFunctionInfo &FI, 41888b5396b0897f28d22ae3debf4a0d97b33b6c362Daniel Dunbar llvm::Function *Fn, 41917b708d61827cd86278e9580b041dd6cbadf07d3Daniel Dunbar const FunctionArgList &Args); 42017b708d61827cd86278e9580b041dd6cbadf07d3Daniel Dunbar 4210dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// EmitFunctionEpilog - Emit the target specific LLVM code to return the 4220dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// given temporary. 42388b5396b0897f28d22ae3debf4a0d97b33b6c362Daniel Dunbar void EmitFunctionEpilog(const CGFunctionInfo &FI, llvm::Value *ReturnValue); 42417b708d61827cd86278e9580b041dd6cbadf07d3Daniel Dunbar 4258b1a343b6b360d63d5dc8a6beb841ce4414c1e00Daniel Dunbar const llvm::Type *ConvertTypeForMem(QualType T); 4265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const llvm::Type *ConvertType(QualType T); 427c8aa5f1f264fb230c38182adab944232bb160c2bChris Lattner 4280dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// LoadObjCSelf - Load the value of self. This function is only valid while 4290dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// generating code for an Objective-C method. 430c8aa5f1f264fb230c38182adab944232bb160c2bChris Lattner llvm::Value *LoadObjCSelf(); 4310dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 4320dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// TypeOfSelfObject - Return type of object that this self represents. 43345012a7ef5abf1042c893f3f2fa5c23cb5485ea9Fariborz Jahanian QualType TypeOfSelfObject(); 4344111024be81e7c0525e42dadcc126d27e5bf2425Chris Lattner 4355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// hasAggregateLLVMType - Return true if the specified AST type will map into 4365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// an aggregate LLVM type or is void. 4375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool hasAggregateLLVMType(QualType T); 43855e874299f2ad827646a4ca9ea38c402aaeb38c9Daniel Dunbar 43955e874299f2ad827646a4ca9ea38c402aaeb38c9Daniel Dunbar /// createBasicBlock - Create an LLVM basic block. 4400dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump llvm::BasicBlock *createBasicBlock(const char *Name="", 44155e874299f2ad827646a4ca9ea38c402aaeb38c9Daniel Dunbar llvm::Function *Parent=0, 44255e874299f2ad827646a4ca9ea38c402aaeb38c9Daniel Dunbar llvm::BasicBlock *InsertBefore=0) { 44329ea6729155c759836be4b5453bee9ef8e1e97eeDaniel Dunbar#ifdef NDEBUG 4440032b2781b4deb131f8c9b7968f2030bf2489cddOwen Anderson return llvm::BasicBlock::Create(VMContext, "", Parent, InsertBefore); 44529ea6729155c759836be4b5453bee9ef8e1e97eeDaniel Dunbar#else 4460032b2781b4deb131f8c9b7968f2030bf2489cddOwen Anderson return llvm::BasicBlock::Create(VMContext, Name, Parent, InsertBefore); 44729ea6729155c759836be4b5453bee9ef8e1e97eeDaniel Dunbar#endif 44855e874299f2ad827646a4ca9ea38c402aaeb38c9Daniel Dunbar } 4490dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 4505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getBasicBlockForLabel - Return the LLVM basicblock that the specified 4515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// label maps to. 4525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::BasicBlock *getBasicBlockForLabel(const LabelStmt *S); 4530dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 454aa5bd87f1fd5f9ca47924248817c89325759b30eDaniel Dunbar /// SimplifyForwardingBlocks - If the given basic block is only a 455aa5bd87f1fd5f9ca47924248817c89325759b30eDaniel Dunbar /// branch to another basic block, simplify it. This assumes that no 456aa5bd87f1fd5f9ca47924248817c89325759b30eDaniel Dunbar /// other code could potentially reference the basic block. 457aa5bd87f1fd5f9ca47924248817c89325759b30eDaniel Dunbar void SimplifyForwardingBlocks(llvm::BasicBlock *BB); 458aa5bd87f1fd5f9ca47924248817c89325759b30eDaniel Dunbar 4590dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// EmitBlock - Emit the given block \arg BB and set it as the insert point, 4600dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// adding a fall-through branch from the current insert block if 4610dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// necessary. It is legal to call this function even if there is no current 4620dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// insertion point. 463a0c21a8faa79e88ac432d116eca58f7a7217195dDaniel Dunbar /// 4640dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// IsFinished - If true, indicates that the caller has finished emitting 4650dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// branches to the given block and does not expect to emit code into it. This 4660dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// means the block can be ignored if it is unreachable. 467a0c21a8faa79e88ac432d116eca58f7a7217195dDaniel Dunbar void EmitBlock(llvm::BasicBlock *BB, bool IsFinished=false); 468824e3bd76b2e32db2ec6e4d2d113413e518d1c63Daniel Dunbar 4690dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// EmitBranch - Emit a branch to the specified basic block from the current 4700dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// insert block, taking care to avoid creation of branches from dummy 4710dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// blocks. It is legal to call this function even if there is no current 4720dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// insertion point. 4735e08ad3cc62ab94649959ae227a9a411a729bf49Daniel Dunbar /// 4740dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// This function clears the current insertion point. The caller should follow 4750dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// calls to this function with calls to Emit*Block prior to generation new 4760dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// code. 477d57a871339c7c98d58d93108b806f59bdf4e13e2Daniel Dunbar void EmitBranch(llvm::BasicBlock *Block); 478d57a871339c7c98d58d93108b806f59bdf4e13e2Daniel Dunbar 4790dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// HaveInsertPoint - True if an insertion point is defined. If not, this 4800dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// indicates that the current code being emitted is unreachable. 4810dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump bool HaveInsertPoint() const { 482a448fb2da03ece39978784793eea68760e8205a1Daniel Dunbar return Builder.GetInsertBlock() != 0; 483a448fb2da03ece39978784793eea68760e8205a1Daniel Dunbar } 484a448fb2da03ece39978784793eea68760e8205a1Daniel Dunbar 4850dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// EnsureInsertPoint - Ensure that an insertion point is defined so that 4860dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// emitted IR has a place to go. Note that by definition, if this function 4870dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// creates a block then that block is unreachable; callers may do better to 4880dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// detect when no insertion point is defined and simply skip IR generation. 489a448fb2da03ece39978784793eea68760e8205a1Daniel Dunbar void EnsureInsertPoint() { 490a448fb2da03ece39978784793eea68760e8205a1Daniel Dunbar if (!HaveInsertPoint()) 491a448fb2da03ece39978784793eea68760e8205a1Daniel Dunbar EmitBlock(createBasicBlock()); 492a448fb2da03ece39978784793eea68760e8205a1Daniel Dunbar } 4930dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 494488e993a135ce700b982bf099c3d6b856301d642Daniel Dunbar /// ErrorUnsupported - Print out an error that codegen doesn't support the 495dc5e8268292046114ffe02e48773572a91a310f1Chris Lattner /// specified stmt yet. 49690df4b6661968a84bf64baee489bb2f6d948fcc1Daniel Dunbar void ErrorUnsupported(const Stmt *S, const char *Type, 49790df4b6661968a84bf64baee489bb2f6d948fcc1Daniel Dunbar bool OmitOnError=false); 4985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer //===--------------------------------------------------------------------===// 5005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Helpers 5015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer //===--------------------------------------------------------------------===// 5020dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 5030953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers MakeQualifiers(QualType T) { 5040953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers Quals = T.getQualifiers(); 5050953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals.setObjCGCAttr(getContext().getObjCGCAttrKind(T)); 5060953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Quals; 5070953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 5080953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 5095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// CreateTempAlloca - This creates a alloca and inserts it into the entry 5105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// block. 5115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::AllocaInst *CreateTempAlloca(const llvm::Type *Ty, 512259e9ccf882d11491ad149aec5e6d7a061c9f938Daniel Dunbar const llvm::Twine &Name = "tmp"); 5130dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 5145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// EvaluateExprAsBool - Perform the usual unary conversions on the specified 5155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// expression and compare the result against zero, returning an Int1Ty value. 5165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::Value *EvaluateExprAsBool(const Expr *E); 5175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5189b65551d0b387a7597fb39356a4d8ef10046445eChris Lattner /// EmitAnyExpr - Emit code to compute the specified expression which can have 5199b65551d0b387a7597fb39356a4d8ef10046445eChris Lattner /// any type. The result is returned as an RValue struct. If this is an 5209b65551d0b387a7597fb39356a4d8ef10046445eChris Lattner /// aggregate expression, the aggloc/agglocvolatile arguments indicate where 5219b65551d0b387a7597fb39356a4d8ef10046445eChris Lattner /// the result should be returned. 52249d1cd5a09ed3df353371fd7f206674a85e0fb45Mike Stump /// 52349d1cd5a09ed3df353371fd7f206674a85e0fb45Mike Stump /// \param IgnoreResult - True if the resulting value isn't used. 5240dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump RValue EmitAnyExpr(const Expr *E, llvm::Value *AggLoc = 0, 52514c5cbf59cffee52275230922283a247de407712Anders Carlsson bool IsAggLocVolatile = false, bool IgnoreResult = false, 52614c5cbf59cffee52275230922283a247de407712Anders Carlsson bool IsInitializer = false); 527d9363c3a80168283b3da518b4e17f545a6246857Devang Patel 5280dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump // EmitVAListRef - Emit a "reference" to a va_list; this is either the address 5290dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump // or the value of the expression, depending on how va_list is defined. 5304fd0aa5803357d8c72eeac2cae15e12649ea08feEli Friedman llvm::Value *EmitVAListRef(const Expr *E); 5314fd0aa5803357d8c72eeac2cae15e12649ea08feEli Friedman 5320dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// EmitAnyExprToTemp - Similary to EmitAnyExpr(), however, the result will 5330dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// always be accessible even if no aggregate location is provided. 53414c5cbf59cffee52275230922283a247de407712Anders Carlsson RValue EmitAnyExprToTemp(const Expr *E, bool IsAggLocVolatile = false, 53514c5cbf59cffee52275230922283a247de407712Anders Carlsson bool IsInitializer = false); 53646f45b9bec4a265ad8400a538e5ec3a5683617f1Daniel Dunbar 53727fe2e6c97a3782a0639d87b460741e8ba5d076dMike Stump /// EmitAggregateCopy - Emit an aggrate copy. 53827fe2e6c97a3782a0639d87b460741e8ba5d076dMike Stump /// 53927fe2e6c97a3782a0639d87b460741e8ba5d076dMike Stump /// \param isVolatile - True iff either the source or the destination is 54027fe2e6c97a3782a0639d87b460741e8ba5d076dMike Stump /// volatile. 5417482d12c345c6391f8956850545e2d4aa7701ce6Daniel Dunbar void EmitAggregateCopy(llvm::Value *DestPtr, llvm::Value *SrcPtr, 54227fe2e6c97a3782a0639d87b460741e8ba5d076dMike Stump QualType EltTy, bool isVolatile=false); 5437482d12c345c6391f8956850545e2d4aa7701ce6Daniel Dunbar 5447482d12c345c6391f8956850545e2d4aa7701ce6Daniel Dunbar void EmitAggregateClear(llvm::Value *DestPtr, QualType Ty); 5457482d12c345c6391f8956850545e2d4aa7701ce6Daniel Dunbar 54651b09f2c528c8460b5465c676173324e44176d62Devang Patel /// StartBlock - Start new block named N. If insert block is a dummy block 54751b09f2c528c8460b5465c676173324e44176d62Devang Patel /// then reuse it. 54851b09f2c528c8460b5465c676173324e44176d62Devang Patel void StartBlock(const char *N); 54951b09f2c528c8460b5465c676173324e44176d62Devang Patel 550813733577d33ec56479667b49e1bff42dc6bba90Lauro Ramos Venancio /// GetAddrOfStaticLocalVar - Return the address of a static local variable. 551248a753f6b670692523c99afaeb8fe98f7ae3ca7Steve Naroff llvm::Constant *GetAddrOfStaticLocalVar(const VarDecl *BVD); 5524f8d123e3e2c260de3377208106ddba87cee28b4Dan Gohman 553dde0a94120915fa925d1ffcdb997c7b44dc9fa21Anders Carlsson /// GetAddrOfLocalVar - Return the address of a local variable. 554dde0a94120915fa925d1ffcdb997c7b44dc9fa21Anders Carlsson llvm::Value *GetAddrOfLocalVar(const VarDecl *VD); 5550dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 5564f8d123e3e2c260de3377208106ddba87cee28b4Dan Gohman /// getAccessedFieldNo - Given an encoded value and a result number, return 5574f8d123e3e2c260de3377208106ddba87cee28b4Dan Gohman /// the input field number being accessed. 5584f8d123e3e2c260de3377208106ddba87cee28b4Dan Gohman static unsigned getAccessedFieldNo(unsigned Idx, const llvm::Constant *Elts); 5594f8d123e3e2c260de3377208106ddba87cee28b4Dan Gohman 5600ffb125996336fc7602b162c0a9e392f1a93060fDaniel Dunbar unsigned GetIDForAddrOfLabel(const LabelStmt *L); 5613d00fdc82fd550ae4bfbb2e700a1fc85bbd6d6fdChris Lattner llvm::BasicBlock *GetIndirectGotoBlock(); 5620ffb125996336fc7602b162c0a9e392f1a93060fDaniel Dunbar 5630dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// EmitMemSetToZero - Generate code to memset a value of the given type to 0. 5643d8400d9a61aa4b63ff35e5cede405b32a41425eAnders Carlsson void EmitMemSetToZero(llvm::Value *DestPtr, QualType Ty); 565ddf7cac45d85b73127adbbd91a2b28fc7291c57eAnders Carlsson 566ddf7cac45d85b73127adbbd91a2b28fc7291c57eAnders Carlsson // EmitVAArg - Generate code to get an argument from the passed in pointer 567ddf7cac45d85b73127adbbd91a2b28fc7291c57eAnders Carlsson // and update it accordingly. The return value is a pointer to the argument. 568ddf7cac45d85b73127adbbd91a2b28fc7291c57eAnders Carlsson // FIXME: We should be able to get rid of this method and use the va_arg 5690dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump // instruction in LLVM instead once it works well enough. 570ddf7cac45d85b73127adbbd91a2b28fc7291c57eAnders Carlsson llvm::Value *EmitVAArg(llvm::Value *VAListAddr, QualType Ty); 571f666b7780d04186521adcaedb0e15dfa4d5e6933Anders Carlsson 57260d35413662ebdcd1d31e34a8a7c665eb6977f1eAnders Carlsson // EmitVLASize - Generate code for any VLA size expressions that might occur 57360d35413662ebdcd1d31e34a8a7c665eb6977f1eAnders Carlsson // in a variably modified type. If Ty is a VLA, will return the value that 57460d35413662ebdcd1d31e34a8a7c665eb6977f1eAnders Carlsson // corresponds to the size in bytes of the VLA type. Will return 0 otherwise. 575d286f05f1234bac289173f0eed88d7ecbaea0099Daniel Dunbar /// 576d286f05f1234bac289173f0eed88d7ecbaea0099Daniel Dunbar /// This function can be called with a null (unreachable) insert point. 57760d35413662ebdcd1d31e34a8a7c665eb6977f1eAnders Carlsson llvm::Value *EmitVLASize(QualType Ty); 5780dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 579dcc90d87e6430c643b4311ae5b0089535bca41f7Anders Carlsson // GetVLASize - Returns an LLVM value that corresponds to the size in bytes 580dcc90d87e6430c643b4311ae5b0089535bca41f7Anders Carlsson // of a variable length array type. 581dcc90d87e6430c643b4311ae5b0089535bca41f7Anders Carlsson llvm::Value *GetVLASize(const VariableArrayType *); 582dcc90d87e6430c643b4311ae5b0089535bca41f7Anders Carlsson 5835f4307b7ba164b03c853c8d3eb4674d33f8967a6Anders Carlsson /// LoadCXXThis - Load the value of 'this'. This function is only valid while 5845f4307b7ba164b03c853c8d3eb4674d33f8967a6Anders Carlsson /// generating code for an C++ member function. 5855f4307b7ba164b03c853c8d3eb4674d33f8967a6Anders Carlsson llvm::Value *LoadCXXThis(); 5861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5875a0f49ebc83e7fe0da07b9964c44b0a7fae270cbAnders Carlsson /// GetAddressCXXOfBaseClass - This function will add the necessary delta 5889e809e7da2448c08aa11f15be4680226754678ceFariborz Jahanian /// to the load of 'this' and returns address of the base class. 5891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // FIXME. This currently only does a derived to non-virtual base conversion. 5909e809e7da2448c08aa11f15be4680226754678ceFariborz Jahanian // Other kinds of conversions will come later. 5915a0f49ebc83e7fe0da07b9964c44b0a7fae270cbAnders Carlsson llvm::Value *GetAddressCXXOfBaseClass(llvm::Value *BaseValue, 5925a0f49ebc83e7fe0da07b9964c44b0a7fae270cbAnders Carlsson const CXXRecordDecl *ClassDecl, 5935a0f49ebc83e7fe0da07b9964c44b0a7fae270cbAnders Carlsson const CXXRecordDecl *BaseClassDecl, 5945a0f49ebc83e7fe0da07b9964c44b0a7fae270cbAnders Carlsson bool NullCheckValue); 59584080ec16ede6a6fe85a1d991690c6bda82a59eeAnders Carlsson 5962f1986b557fa671c4f8c9dd0d071398edfc073d5Anders Carlsson llvm::Value * 5972f1986b557fa671c4f8c9dd0d071398edfc073d5Anders Carlsson GetVirtualCXXBaseClassOffset(llvm::Value *This, 5982f1986b557fa671c4f8c9dd0d071398edfc073d5Anders Carlsson const CXXRecordDecl *ClassDecl, 5992f1986b557fa671c4f8c9dd0d071398edfc073d5Anders Carlsson const CXXRecordDecl *BaseClassDecl); 6002f1986b557fa671c4f8c9dd0d071398edfc073d5Anders Carlsson 6011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void EmitClassAggrMemberwiseCopy(llvm::Value *DestValue, 602eb0b6d556ff2b4a5053e89fd084eb34e44cea14cFariborz Jahanian llvm::Value *SrcValue, 603c28bbc2d2271aab6c5d79ef2758604221cd92a4bFariborz Jahanian const ArrayType *Array, 604c28bbc2d2271aab6c5d79ef2758604221cd92a4bFariborz Jahanian const CXXRecordDecl *BaseClassDecl, 605c28bbc2d2271aab6c5d79ef2758604221cd92a4bFariborz Jahanian QualType Ty); 606c28bbc2d2271aab6c5d79ef2758604221cd92a4bFariborz Jahanian 6071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void EmitClassAggrCopyAssignment(llvm::Value *DestValue, 608c28bbc2d2271aab6c5d79ef2758604221cd92a4bFariborz Jahanian llvm::Value *SrcValue, 609eb0b6d556ff2b4a5053e89fd084eb34e44cea14cFariborz Jahanian const ArrayType *Array, 610eb0b6d556ff2b4a5053e89fd084eb34e44cea14cFariborz Jahanian const CXXRecordDecl *BaseClassDecl, 611eb0b6d556ff2b4a5053e89fd084eb34e44cea14cFariborz Jahanian QualType Ty); 612eb0b6d556ff2b4a5053e89fd084eb34e44cea14cFariborz Jahanian 613ca28361fb0a72c50e0a400fae2fad9520e61c0a5Fariborz Jahanian void EmitClassMemberwiseCopy(llvm::Value *DestValue, llvm::Value *SrcValue, 6141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const CXXRecordDecl *ClassDecl, 615942f4f33d02dba823594bd2d7b3d317cb01c74f8Fariborz Jahanian const CXXRecordDecl *BaseClassDecl, 616942f4f33d02dba823594bd2d7b3d317cb01c74f8Fariborz Jahanian QualType Ty); 6171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6180270b8aa3f9b50ec3acd1abfd2b97377a3e1bb05Fariborz Jahanian void EmitClassCopyAssignment(llvm::Value *DestValue, llvm::Value *SrcValue, 6191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const CXXRecordDecl *ClassDecl, 6200270b8aa3f9b50ec3acd1abfd2b97377a3e1bb05Fariborz Jahanian const CXXRecordDecl *BaseClassDecl, 6210270b8aa3f9b50ec3acd1abfd2b97377a3e1bb05Fariborz Jahanian QualType Ty); 6221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void EmitCXXConstructorCall(const CXXConstructorDecl *D, CXXCtorType Type, 624b14095aa98c6fedd3625920c4ce834bcaf24d9f7Anders Carlsson llvm::Value *This, 625b14095aa98c6fedd3625920c4ce834bcaf24d9f7Anders Carlsson CallExpr::const_arg_iterator ArgBeg, 626b14095aa98c6fedd3625920c4ce834bcaf24d9f7Anders Carlsson CallExpr::const_arg_iterator ArgEnd); 6271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 628288dcaf329c49b01dacd5c1dd9f35609555feecdFariborz Jahanian void EmitCXXAggrConstructorCall(const CXXConstructorDecl *D, 629569c1f4a6c703eaa8b963bed7d5c2fd5d4569e93Anders Carlsson const ConstantArrayType *ArrayTy, 630569c1f4a6c703eaa8b963bed7d5c2fd5d4569e93Anders Carlsson llvm::Value *ArrayPtr); 631569c1f4a6c703eaa8b963bed7d5c2fd5d4569e93Anders Carlsson void EmitCXXAggrConstructorCall(const CXXConstructorDecl *D, 632569c1f4a6c703eaa8b963bed7d5c2fd5d4569e93Anders Carlsson llvm::Value *NumElements, 633569c1f4a6c703eaa8b963bed7d5c2fd5d4569e93Anders Carlsson llvm::Value *ArrayPtr); 634b14095aa98c6fedd3625920c4ce834bcaf24d9f7Anders Carlsson 635f800f6c09ed4a71bcb593d6962e0fda2c2845a70Fariborz Jahanian void EmitCXXAggrDestructorCall(const CXXDestructorDecl *D, 636f800f6c09ed4a71bcb593d6962e0fda2c2845a70Fariborz Jahanian const ArrayType *Array, 637f800f6c09ed4a71bcb593d6962e0fda2c2845a70Fariborz Jahanian llvm::Value *This); 6381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6397267c1693abe7875b0c57268be05005ae013c6c9Anders Carlsson void EmitCXXDestructorCall(const CXXDestructorDecl *D, CXXDtorType Type, 6407267c1693abe7875b0c57268be05005ae013c6c9Anders Carlsson llvm::Value *This); 6411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 642543ac0c4d24a81fb2b7b6e83370aa8e4cbc93054Anders Carlsson void PushCXXTemporary(const CXXTemporary *Temporary, llvm::Value *Ptr); 643f4b8fea84a6b1ef74cf8fe572918439e34935e51Anders Carlsson void PopCXXTemporary(); 6441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 645a00703dccbdc6cc4a293db38477dea7db5538c7eAnders Carlsson llvm::Value *EmitCXXNewExpr(const CXXNewExpr *E); 64660e282cc1e508be327b0481cecedc206873cb86aAnders Carlsson void EmitCXXDeleteExpr(const CXXDeleteExpr *E); 6471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer //===--------------------------------------------------------------------===// 6495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Declaration Emission 6505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer //===--------------------------------------------------------------------===// 6510dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 652d286f05f1234bac289173f0eed88d7ecbaea0099Daniel Dunbar /// EmitDecl - Emit a declaration. 653d286f05f1234bac289173f0eed88d7ecbaea0099Daniel Dunbar /// 654d286f05f1234bac289173f0eed88d7ecbaea0099Daniel Dunbar /// This function can be called with a null (unreachable) insert point. 6555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void EmitDecl(const Decl &D); 656d286f05f1234bac289173f0eed88d7ecbaea0099Daniel Dunbar 6571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// EmitBlockVarDecl - Emit a block variable declaration. 658d286f05f1234bac289173f0eed88d7ecbaea0099Daniel Dunbar /// 659d286f05f1234bac289173f0eed88d7ecbaea0099Daniel Dunbar /// This function can be called with a null (unreachable) insert point. 660248a753f6b670692523c99afaeb8fe98f7ae3ca7Steve Naroff void EmitBlockVarDecl(const VarDecl &D); 661d286f05f1234bac289173f0eed88d7ecbaea0099Daniel Dunbar 662d286f05f1234bac289173f0eed88d7ecbaea0099Daniel Dunbar /// EmitLocalBlockVarDecl - Emit a local block variable declaration. 663d286f05f1234bac289173f0eed88d7ecbaea0099Daniel Dunbar /// 664d286f05f1234bac289173f0eed88d7ecbaea0099Daniel Dunbar /// This function can be called with a null (unreachable) insert point. 665248a753f6b670692523c99afaeb8fe98f7ae3ca7Steve Naroff void EmitLocalBlockVarDecl(const VarDecl &D); 666d286f05f1234bac289173f0eed88d7ecbaea0099Daniel Dunbar 667248a753f6b670692523c99afaeb8fe98f7ae3ca7Steve Naroff void EmitStaticBlockVarDecl(const VarDecl &D); 668b7ec246872b412f0e7bb9e93eacfd78cfa6adfb3Daniel Dunbar 669b7ec246872b412f0e7bb9e93eacfd78cfa6adfb3Daniel Dunbar /// EmitParmDecl - Emit a ParmVarDecl or an ImplicitParamDecl. 670b7ec246872b412f0e7bb9e93eacfd78cfa6adfb3Daniel Dunbar void EmitParmDecl(const VarDecl &D, llvm::Value *Arg); 6710dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 6725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer //===--------------------------------------------------------------------===// 6735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Statement Emission 6745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer //===--------------------------------------------------------------------===// 6755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6760dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// EmitStopPoint - Emit a debug stoppoint if we are emitting debug info. 6770912425f79418a215c2fbd2d8fc9511244a4aa46Daniel Dunbar void EmitStopPoint(const Stmt *S); 6780912425f79418a215c2fbd2d8fc9511244a4aa46Daniel Dunbar 6790dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// EmitStmt - Emit the code for the statement \arg S. It is legal to call 6800dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// this function even if there is no current insertion point. 6810dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// 6820dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// This function may clear the current insertion point; callers should use 6830dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// EnsureInsertPoint if they wish to subsequently generate code without first 6840dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// calling EmitBlock, EmitBranch, or EmitStmt. 6855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void EmitStmt(const Stmt *S); 686a448fb2da03ece39978784793eea68760e8205a1Daniel Dunbar 6870912425f79418a215c2fbd2d8fc9511244a4aa46Daniel Dunbar /// EmitSimpleStmt - Try to emit a "simple" statement which does not 6880dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// necessarily require an insertion point or debug information; typically 6890dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// because the statement amounts to a jump or a container of other 6900dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// statements. 6910912425f79418a215c2fbd2d8fc9511244a4aa46Daniel Dunbar /// 6920912425f79418a215c2fbd2d8fc9511244a4aa46Daniel Dunbar /// \return True if the statement was handled. 6930912425f79418a215c2fbd2d8fc9511244a4aa46Daniel Dunbar bool EmitSimpleStmt(const Stmt *S); 6940912425f79418a215c2fbd2d8fc9511244a4aa46Daniel Dunbar 6959b65551d0b387a7597fb39356a4d8ef10046445eChris Lattner RValue EmitCompoundStmt(const CompoundStmt &S, bool GetLast = false, 6969b65551d0b387a7597fb39356a4d8ef10046445eChris Lattner llvm::Value *AggLoc = 0, bool isAggVol = false); 697a448fb2da03ece39978784793eea68760e8205a1Daniel Dunbar 6980dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// EmitLabel - Emit the block for the given label. It is legal to call this 6990dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// function even if there is no current insertion point. 70091d723da7b68be5245c3ac58aa2a36d04658cfb8Chris Lattner void EmitLabel(const LabelStmt &S); // helper for EmitLabelStmt. 701a448fb2da03ece39978784793eea68760e8205a1Daniel Dunbar 7025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void EmitLabelStmt(const LabelStmt &S); 7035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void EmitGotoStmt(const GotoStmt &S); 7040ffb125996336fc7602b162c0a9e392f1a93060fDaniel Dunbar void EmitIndirectGotoStmt(const IndirectGotoStmt &S); 7055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void EmitIfStmt(const IfStmt &S); 7065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void EmitWhileStmt(const WhileStmt &S); 7075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void EmitDoStmt(const DoStmt &S); 7085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void EmitForStmt(const ForStmt &S); 7095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void EmitReturnStmt(const ReturnStmt &S); 7105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void EmitDeclStmt(const DeclStmt &S); 7110912425f79418a215c2fbd2d8fc9511244a4aa46Daniel Dunbar void EmitBreakStmt(const BreakStmt &S); 7120912425f79418a215c2fbd2d8fc9511244a4aa46Daniel Dunbar void EmitContinueStmt(const ContinueStmt &S); 71351b09f2c528c8460b5465c676173324e44176d62Devang Patel void EmitSwitchStmt(const SwitchStmt &S); 71451b09f2c528c8460b5465c676173324e44176d62Devang Patel void EmitDefaultStmt(const DefaultStmt &S); 71551b09f2c528c8460b5465c676173324e44176d62Devang Patel void EmitCaseStmt(const CaseStmt &S); 716c049e4f406a7f7179eba98659044a32508e53289Devang Patel void EmitCaseStmtRange(const CaseStmt &S); 717fb1aeb804c08d5288a923fb278161783e6abdc66Anders Carlsson void EmitAsmStmt(const AsmStmt &S); 7180dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 7193d8400d9a61aa4b63ff35e5cede405b32a41425eAnders Carlsson void EmitObjCForCollectionStmt(const ObjCForCollectionStmt &S); 72064d5d6c5903157c521af496479d06dc26032d718Anders Carlsson void EmitObjCAtTryStmt(const ObjCAtTryStmt &S); 72164d5d6c5903157c521af496479d06dc26032d718Anders Carlsson void EmitObjCAtThrowStmt(const ObjCAtThrowStmt &S); 72210cac6f7115b59a466bb8d2d51cdddeb38aadc37Chris Lattner void EmitObjCAtSynchronizedStmt(const ObjCAtSynchronizedStmt &S); 7230dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 7246815e941998659a55c20c147861b0f437928c3d8Anders Carlsson void EmitCXXTryStmt(const CXXTryStmt &S); 7256815e941998659a55c20c147861b0f437928c3d8Anders Carlsson 7265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer //===--------------------------------------------------------------------===// 7275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // LValue Expression Emission 7285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer //===--------------------------------------------------------------------===// 7295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 73013e81737a433b23f8c662d10d1d57356122a8caaDaniel Dunbar /// GetUndefRValue - Get an appropriate 'undef' rvalue for the given type. 73113e81737a433b23f8c662d10d1d57356122a8caaDaniel Dunbar RValue GetUndefRValue(QualType Ty); 73213e81737a433b23f8c662d10d1d57356122a8caaDaniel Dunbar 733ce1d38b8163650e473d7084e0686ed5a7956057bDaniel Dunbar /// EmitUnsupportedRValue - Emit a dummy r-value using the type of E 734ce1d38b8163650e473d7084e0686ed5a7956057bDaniel Dunbar /// and issue an ErrorUnsupported style diagnostic (using the 735ce1d38b8163650e473d7084e0686ed5a7956057bDaniel Dunbar /// provided Name). 736ce1d38b8163650e473d7084e0686ed5a7956057bDaniel Dunbar RValue EmitUnsupportedRValue(const Expr *E, 737ce1d38b8163650e473d7084e0686ed5a7956057bDaniel Dunbar const char *Name); 738ce1d38b8163650e473d7084e0686ed5a7956057bDaniel Dunbar 7390dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// EmitUnsupportedLValue - Emit a dummy l-value using the type of E and issue 7400dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// an ErrorUnsupported style diagnostic (using the provided Name). 7416ba82a4a4b295e54cf192c3e98b28f39990c6194Daniel Dunbar LValue EmitUnsupportedLValue(const Expr *E, 7426ba82a4a4b295e54cf192c3e98b28f39990c6194Daniel Dunbar const char *Name); 7436ba82a4a4b295e54cf192c3e98b28f39990c6194Daniel Dunbar 7445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// EmitLValue - Emit code to compute a designator that specifies the location 7455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// of the expression. 7465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// 7475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// This can return one of two things: a simple address or a bitfield 7485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// reference. In either case, the LLVM Value* in the LValue structure is 7495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// guaranteed to be an LLVM pointer type. 7505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// 7515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// If this returns a bitfield reference, nothing about the pointee type of 7525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// the LLVM value is known: For example, it may not be a pointer to an 7535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// integer. 7545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// 7555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// If this returns a normal address, and if the lvalue's C type is fixed 7565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// size, this method guarantees that the returned pointer type will point to 7575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// an LLVM type of the same size of the lvalue's type. If the lvalue has a 7585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// variable length type, this is not possible. 7595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// 7605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LValue EmitLValue(const Expr *E); 7610dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 7629d9cc874bcc168474757a8f90476684b4a93ed76Daniel Dunbar /// EmitLoadOfScalar - Load a scalar value from an address, taking 7639d9cc874bcc168474757a8f90476684b4a93ed76Daniel Dunbar /// care to appropriately convert from the memory representation to 7649d9cc874bcc168474757a8f90476684b4a93ed76Daniel Dunbar /// the LLVM value representation. 76509429b962811f2c0a7a81a1b0a89f96f5878b20cMike Stump llvm::Value *EmitLoadOfScalar(llvm::Value *Addr, bool Volatile, 7669d9cc874bcc168474757a8f90476684b4a93ed76Daniel Dunbar QualType Ty); 7679d9cc874bcc168474757a8f90476684b4a93ed76Daniel Dunbar 7689d9cc874bcc168474757a8f90476684b4a93ed76Daniel Dunbar /// EmitStoreOfScalar - Store a scalar value to an address, taking 7699d9cc874bcc168474757a8f90476684b4a93ed76Daniel Dunbar /// care to appropriately convert from the memory representation to 7709d9cc874bcc168474757a8f90476684b4a93ed76Daniel Dunbar /// the LLVM value representation. 77109429b962811f2c0a7a81a1b0a89f96f5878b20cMike Stump void EmitStoreOfScalar(llvm::Value *Value, llvm::Value *Addr, 772b4aa4664ec851573624a7a29c6c750fc1d5cc268Anders Carlsson bool Volatile, QualType Ty); 7739d9cc874bcc168474757a8f90476684b4a93ed76Daniel Dunbar 7745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// EmitLoadOfLValue - Given an expression that represents a value lvalue, 7755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// this method emits the address of the lvalue, then loads the result as an 7765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// rvalue, returning the rvalue. 7775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer RValue EmitLoadOfLValue(LValue V, QualType LVType); 778213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman RValue EmitLoadOfExtVectorElementLValue(LValue V, QualType LVType); 7793b8c22d93da1432b2d4cea779d14912645c93866Lauro Ramos Venancio RValue EmitLoadOfBitfieldLValue(LValue LV, QualType ExprType); 78085c59edda02df48fae8dc85049743319bc6e7e89Daniel Dunbar RValue EmitLoadOfPropertyRefLValue(LValue LV, QualType ExprType); 78143f447098d5e6162fbfb97ed38365284207a7fbeFariborz Jahanian RValue EmitLoadOfKVCRefLValue(LValue LV, QualType ExprType); 7825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7830dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 7845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// EmitStoreThroughLValue - Store the specified rvalue into the specified 7855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// lvalue, where both are guaranteed to the have the same type, and that type 7865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// is 'Ty'. 7875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void EmitStoreThroughLValue(RValue Src, LValue Dst, QualType Ty); 788213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman void EmitStoreThroughExtVectorComponentLValue(RValue Src, LValue Dst, 789213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman QualType Ty); 79085c59edda02df48fae8dc85049743319bc6e7e89Daniel Dunbar void EmitStoreThroughPropertyRefLValue(RValue Src, LValue Dst, QualType Ty); 79143f447098d5e6162fbfb97ed38365284207a7fbeFariborz Jahanian void EmitStoreThroughKVCRefLValue(RValue Src, LValue Dst, QualType Ty); 792ed3849b456d64d124bddc7ac044f3ce590bd9d69Daniel Dunbar 7930dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// EmitStoreThroughLValue - Store Src into Dst with same constraints as 7940dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// EmitStoreThroughLValue. 795ed3849b456d64d124bddc7ac044f3ce590bd9d69Daniel Dunbar /// 7960dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// \param Result [out] - If non-null, this will be set to a Value* for the 7970dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// bit-field contents after the store, appropriate for use as the result of 7980dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// an assignment to the bit-field. 799ed3849b456d64d124bddc7ac044f3ce590bd9d69Daniel Dunbar void EmitStoreThroughBitfieldLValue(RValue Src, LValue Dst, QualType Ty, 800ed3849b456d64d124bddc7ac044f3ce590bd9d69Daniel Dunbar llvm::Value **Result=0); 8010dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 80222c940ee588a420cd2e6c8f68be2ac3cc80061ffChristopher Lamb // Note: only availabe for agg return types 80380e62c29fe21cd06c93eba6e72b7e32dca06fcf9Daniel Dunbar LValue EmitBinaryOperatorLValue(const BinaryOperator *E); 8045b5c9ef865607e179413462dcd71bcebb5b7daaeDaniel Dunbar // Note: only available for agg return types 80522c940ee588a420cd2e6c8f68be2ac3cc80061ffChristopher Lamb LValue EmitCallExprLValue(const CallExpr *E); 8065b5c9ef865607e179413462dcd71bcebb5b7daaeDaniel Dunbar // Note: only available for agg return types 8075b5c9ef865607e179413462dcd71bcebb5b7daaeDaniel Dunbar LValue EmitVAArgExprLValue(const VAArgExpr *E); 8085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LValue EmitDeclRefLValue(const DeclRefExpr *E); 8095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LValue EmitStringLiteralLValue(const StringLiteral *E); 810eaf2bb89eb2aad3b80673de30febe52df43c10ecChris Lattner LValue EmitObjCEncodeExprLValue(const ObjCEncodeExpr *E); 811662b71ee82339c67f2c3689196e716c6560cf925Daniel Dunbar LValue EmitPredefinedFunctionName(unsigned Type); 812d9f6910f4ef37c0e8eeee2a01287d9572c3176efChris Lattner LValue EmitPredefinedLValue(const PredefinedExpr *E); 8135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LValue EmitUnaryOpLValue(const UnaryOperator *E); 8145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LValue EmitArraySubscriptExpr(const ArraySubscriptExpr *E); 815213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman LValue EmitExtVectorElementExpr(const ExtVectorElementExpr *E); 816b84a06e68ffd71da22e3c75b6e4bbdba37816413Devang Patel LValue EmitMemberExpr(const MemberExpr *E); 81706e863f2902b8ba55b056308875c19f7ba3dab25Eli Friedman LValue EmitCompoundLiteralLValue(const CompoundLiteralExpr *E); 8186fcec8b58d0571866fcb162db947b029cc539ec4Anders Carlsson LValue EmitConditionalOperatorLValue(const ConditionalOperator *E); 81975dfedaf702822c9e51a4f3c5d3ecf2d2ad99272Chris Lattner LValue EmitCastLValue(const CastExpr *E); 820472778eb4fce241721c563280886e98389bc7219Eli Friedman 8212a03192a02dbf4fdff438d1e658356bde871aba4Daniel Dunbar llvm::Value *EmitIvarOffset(const ObjCInterfaceDecl *Interface, 82229e0bccf2bcce22b877f8b2ed173f564c116b97eDaniel Dunbar const ObjCIvarDecl *Ivar); 823472778eb4fce241721c563280886e98389bc7219Eli Friedman LValue EmitLValueForField(llvm::Value* Base, FieldDecl* Field, 8241e692ace08959399794363e77499b73da5494af9Eli Friedman bool isUnion, unsigned CVRQualifiers); 82545012a7ef5abf1042c893f3f2fa5c23cb5485ea9Fariborz Jahanian LValue EmitLValueForIvar(QualType ObjectTy, 82645012a7ef5abf1042c893f3f2fa5c23cb5485ea9Fariborz Jahanian llvm::Value* Base, const ObjCIvarDecl *Ivar, 82729e0bccf2bcce22b877f8b2ed173f564c116b97eDaniel Dunbar unsigned CVRQualifiers); 82829e0bccf2bcce22b877f8b2ed173f564c116b97eDaniel Dunbar 829fd64bb635dc221baa19f81d5d2a084f7eb269f7fFariborz Jahanian LValue EmitLValueForBitfield(llvm::Value* Base, FieldDecl* Field, 830598d3f61b6ca854e9d3c2f3359e24468502a61aaFariborz Jahanian unsigned CVRQualifiers); 831fd64bb635dc221baa19f81d5d2a084f7eb269f7fFariborz Jahanian 832a99038c0757a836c6faeeddaa5dfd249b32f6e9eMike Stump LValue EmitBlockDeclRefLValue(const BlockDeclRefExpr *E); 833a99038c0757a836c6faeeddaa5dfd249b32f6e9eMike Stump 834e3a09e6ad09f8d1387ecaa008aaf85527909da0aArgyrios Kyrtzidis LValue EmitCXXConditionDeclLValue(const CXXConditionDeclExpr *E); 835b58d017f2b9eeed33f2ab3ede968b89cf5296bf2Anders Carlsson LValue EmitCXXConstructLValue(const CXXConstructExpr *E); 836e61c9e80a108b5db7e5f0e702f0e455d737c6390Anders Carlsson LValue EmitCXXBindTemporaryLValue(const CXXBindTemporaryExpr *E); 837b9ea0b53d323cdca2b8284ff986a878e195cb97fAnders Carlsson LValue EmitCXXExprWithTemporariesLValue(const CXXExprWithTemporaries *E); 838b9ea0b53d323cdca2b8284ff986a878e195cb97fAnders Carlsson 8390a04d77bde7e3a661c2b41b60630d125d09ed6efDaniel Dunbar LValue EmitObjCMessageExprLValue(const ObjCMessageExpr *E); 840391d77a26382dddf25da73e29fc1fa5aaaea4c6fChris Lattner LValue EmitObjCIvarRefLValue(const ObjCIvarRefExpr *E); 84185c59edda02df48fae8dc85049743319bc6e7e89Daniel Dunbar LValue EmitObjCPropertyRefLValue(const ObjCPropertyRefExpr *E); 84209105f52b1f28cbb1374c27c3c70f5517e2c465dFariborz Jahanian LValue EmitObjCKVCRefLValue(const ObjCImplicitSetterGetterRefExpr *E); 843654599454c8e6cc83b1b9b3af43c49c2f66a26cbChris Lattner LValue EmitObjCSuperExprLValue(const ObjCSuperExpr *E); 844654599454c8e6cc83b1b9b3af43c49c2f66a26cbChris Lattner LValue EmitStmtExprLValue(const StmtExpr *E); 8450a04d77bde7e3a661c2b41b60630d125d09ed6efDaniel Dunbar 8465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer //===--------------------------------------------------------------------===// 847883f6a7cc7dccb1d675e27121a82614d63492a8dChris Lattner // Scalar Expression Emission 8485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer //===--------------------------------------------------------------------===// 8495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8500dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// EmitCall - Generate a call of the given function, expecting the given 8510dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// result type, and using the given argument list which specifies both the 8520dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// LLVM arguments and the types they were derived from. 853c0ef9f59937c3971c48b6fed37cf5bd8985c024bDaniel Dunbar /// 854c0ef9f59937c3971c48b6fed37cf5bd8985c024bDaniel Dunbar /// \param TargetDecl - If given, the decl of the function in a 855c0ef9f59937c3971c48b6fed37cf5bd8985c024bDaniel Dunbar /// direct call; used to set attributes on the call (noreturn, 856c0ef9f59937c3971c48b6fed37cf5bd8985c024bDaniel Dunbar /// etc.). 85788b5396b0897f28d22ae3debf4a0d97b33b6c362Daniel Dunbar RValue EmitCall(const CGFunctionInfo &FnInfo, 85888b5396b0897f28d22ae3debf4a0d97b33b6c362Daniel Dunbar llvm::Value *Callee, 859c0ef9f59937c3971c48b6fed37cf5bd8985c024bDaniel Dunbar const CallArgList &Args, 860c0ef9f59937c3971c48b6fed37cf5bd8985c024bDaniel Dunbar const Decl *TargetDecl = 0); 8611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 862986477149db76e6d9f8d3c9859c9880c11b680aeAnders Carlsson RValue EmitCall(llvm::Value *Callee, QualType FnType, 863986477149db76e6d9f8d3c9859c9880c11b680aeAnders Carlsson CallExpr::const_arg_iterator ArgBeg, 864986477149db76e6d9f8d3c9859c9880c11b680aeAnders Carlsson CallExpr::const_arg_iterator ArgEnd, 865986477149db76e6d9f8d3c9859c9880c11b680aeAnders Carlsson const Decl *TargetDecl = 0); 8665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer RValue EmitCallExpr(const CallExpr *E); 8671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 868f0070dbae9535836ad41711081465dec2259786bMike Stump llvm::Value *BuildVirtualCall(const CXXMethodDecl *MD, llvm::Value *&This, 869f0070dbae9535836ad41711081465dec2259786bMike Stump const llvm::Type *Ty); 870b9de2c55b2a33776e2bee8ee57df7599b374c8a5Anders Carlsson RValue EmitCXXMemberCall(const CXXMethodDecl *MD, 871b9de2c55b2a33776e2bee8ee57df7599b374c8a5Anders Carlsson llvm::Value *Callee, 872b9de2c55b2a33776e2bee8ee57df7599b374c8a5Anders Carlsson llvm::Value *This, 873b9de2c55b2a33776e2bee8ee57df7599b374c8a5Anders Carlsson CallExpr::const_arg_iterator ArgBeg, 874b9de2c55b2a33776e2bee8ee57df7599b374c8a5Anders Carlsson CallExpr::const_arg_iterator ArgEnd); 875774e7c6881ee6cb970cd42239d700dce87ed402aAnders Carlsson RValue EmitCXXMemberCallExpr(const CXXMemberCallExpr *E); 876375c31c4673f83f925de221752cf801c2fbbb246Anders Carlsson RValue EmitCXXMemberPointerCallExpr(const CXXMemberCallExpr *E); 8775549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek 8780f294632f36459174199b77699e339715244b5abAnders Carlsson RValue EmitCXXOperatorMemberCallExpr(const CXXOperatorCallExpr *E, 8790f294632f36459174199b77699e339715244b5abAnders Carlsson const CXXMethodDecl *MD); 8801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 881375c31c4673f83f925de221752cf801c2fbbb246Anders Carlsson 8821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump RValue EmitBuiltinExpr(const FunctionDecl *FD, 883ef2abfee3ea16ec74942dc09e9e425f46aeb2582Daniel Dunbar unsigned BuiltinID, const CallExpr *E); 8845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 885acfde805d644bc71dfeac54ddbc9f12cdae0bb02Anders Carlsson RValue EmitBlockCallExpr(const CallExpr *E); 88609429b962811f2c0a7a81a1b0a89f96f5878b20cMike Stump 8870dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// EmitTargetBuiltinExpr - Emit the given builtin call. Returns 0 if the call 8880dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// is unhandled by the current target. 889f02e9ddf5efc75917af712b3c7f909581205f0a5Daniel Dunbar llvm::Value *EmitTargetBuiltinExpr(unsigned BuiltinID, const CallExpr *E); 890f02e9ddf5efc75917af712b3c7f909581205f0a5Daniel Dunbar 891564f1de67d7ba43646b8740db86d6269e3dfbe0bAnders Carlsson llvm::Value *EmitX86BuiltinExpr(unsigned BuiltinID, const CallExpr *E); 892564f1de67d7ba43646b8740db86d6269e3dfbe0bAnders Carlsson llvm::Value *EmitPPCBuiltinExpr(unsigned BuiltinID, const CallExpr *E); 8930dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 894cc23acae84c6d5c37b4805edbcd95ee5d821c400Anders Carlsson llvm::Value *EmitShuffleVector(llvm::Value* V1, llvm::Value *V2, ...); 8954119d1aeca8016654d381ce079864058d1709571Nate Begeman llvm::Value *EmitVector(llvm::Value * const *Vals, unsigned NumVals, 8964119d1aeca8016654d381ce079864058d1709571Nate Begeman bool isSplat = false); 8970dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 898ed7c618f849e2541b1d0288c43154937652c5b15Daniel Dunbar llvm::Value *EmitObjCProtocolExpr(const ObjCProtocolExpr *E); 8997f02f721d48772e4eee4fccd8af4f800be1bbc1eChris Lattner llvm::Value *EmitObjCStringLiteral(const ObjCStringLiteral *E); 9008fdf32822be2238aa7db62d40e75b168b637ab7dChris Lattner llvm::Value *EmitObjCSelectorExpr(const ObjCSelectorExpr *E); 9018f2926b73ed635afecd020da787af6a837601a2bDaniel Dunbar RValue EmitObjCMessageExpr(const ObjCMessageExpr *E); 9025daf570d0ce027e18ed5f9d66e6b2a14a40b720dFariborz Jahanian RValue EmitObjCPropertyGet(const Expr *E); 903f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian RValue EmitObjCSuperPropertyGet(const Expr *Exp, const Selector &S); 90443f447098d5e6162fbfb97ed38365284207a7fbeFariborz Jahanian void EmitObjCPropertySet(const Expr *E, RValue Src); 905f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian void EmitObjCSuperPropertySet(const Expr *E, const Selector &S, RValue Src); 9068fdf32822be2238aa7db62d40e75b168b637ab7dChris Lattner 9078fdf32822be2238aa7db62d40e75b168b637ab7dChris Lattner 9084029ca7ae9d3ffd7738fe2ed8782bebc30f36fd6Anders Carlsson /// EmitReferenceBindingToExpr - Emits a reference binding to the passed in 9094029ca7ae9d3ffd7738fe2ed8782bebc30f36fd6Anders Carlsson /// expression. Will emit a temporary variable if E is not an LValue. 91014c5cbf59cffee52275230922283a247de407712Anders Carlsson RValue EmitReferenceBindingToExpr(const Expr* E, QualType DestType, 91114c5cbf59cffee52275230922283a247de407712Anders Carlsson bool IsInitializer = false); 9121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 913883f6a7cc7dccb1d675e27121a82614d63492a8dChris Lattner //===--------------------------------------------------------------------===// 914bfc0c1ae4b505b52b36f572a9641f99e76879cabChris Lattner // Expression Emission 915883f6a7cc7dccb1d675e27121a82614d63492a8dChris Lattner //===--------------------------------------------------------------------===// 916bfc0c1ae4b505b52b36f572a9641f99e76879cabChris Lattner 917bfc0c1ae4b505b52b36f572a9641f99e76879cabChris Lattner // Expressions are broken into three classes: scalar, complex, aggregate. 9180dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 9190dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// EmitScalarExpr - Emit the computation of the specified expression of LLVM 9200dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// scalar type, returning the result. 92114c5cbf59cffee52275230922283a247de407712Anders Carlsson llvm::Value *EmitScalarExpr(const Expr *E , bool IgnoreResultAssign = false); 9220dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 9233707b255f8993fb362904c9cff87b0e9bc6ca317Chris Lattner /// EmitScalarConversion - Emit a conversion from the specified type to the 9243707b255f8993fb362904c9cff87b0e9bc6ca317Chris Lattner /// specified destination type, both of which are LLVM scalar types. 9253707b255f8993fb362904c9cff87b0e9bc6ca317Chris Lattner llvm::Value *EmitScalarConversion(llvm::Value *Src, QualType SrcTy, 9263707b255f8993fb362904c9cff87b0e9bc6ca317Chris Lattner QualType DstTy); 9270dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 9284f1a7b380809b4ca19ad2daff61bc11cd1e979d8Chris Lattner /// EmitComplexToScalarConversion - Emit a conversion from the specified 9290dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// complex type to the specified destination type, where the destination type 9300dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// is an LLVM scalar type. 9314f1a7b380809b4ca19ad2daff61bc11cd1e979d8Chris Lattner llvm::Value *EmitComplexToScalarConversion(ComplexPairTy Src, QualType SrcTy, 9324f1a7b380809b4ca19ad2daff61bc11cd1e979d8Chris Lattner QualType DstTy); 9330dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 9340dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 935883f6a7cc7dccb1d675e27121a82614d63492a8dChris Lattner /// EmitAggExpr - Emit the computation of the specified expression of 936883f6a7cc7dccb1d675e27121a82614d63492a8dChris Lattner /// aggregate type. The result is computed into DestPtr. Note that if 937883f6a7cc7dccb1d675e27121a82614d63492a8dChris Lattner /// DestPtr is null, the value of the aggregate expression is not needed. 93849d1cd5a09ed3df353371fd7f206674a85e0fb45Mike Stump void EmitAggExpr(const Expr *E, llvm::Value *DestPtr, bool VolatileDest, 93908c321380fff07d476a19daab6d29522c046cd49Fariborz Jahanian bool IgnoreResult = false, bool IsInitializer = false, 94008c321380fff07d476a19daab6d29522c046cd49Fariborz Jahanian bool RequiresGCollection = false); 9410dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 942082b02e8403d3ee9d2ded969fbe0e5d472f04cd8Fariborz Jahanian /// EmitGCMemmoveCollectable - Emit special API for structs with object 943082b02e8403d3ee9d2ded969fbe0e5d472f04cd8Fariborz Jahanian /// pointers. 944082b02e8403d3ee9d2ded969fbe0e5d472f04cd8Fariborz Jahanian void EmitGCMemmoveCollectable(llvm::Value *DestPtr, llvm::Value *SrcPtr, 94508c321380fff07d476a19daab6d29522c046cd49Fariborz Jahanian QualType Ty); 946082b02e8403d3ee9d2ded969fbe0e5d472f04cd8Fariborz Jahanian 947b6ef18a2b06d6760459e1756a61f79ff496cee19Chris Lattner /// EmitComplexExpr - Emit the computation of the specified expression of 94823b1cdb0b5e089468bb8475b8ec9287af67b4b59Chris Lattner /// complex type, returning the result. 9497f79f9be5916c51c35da4f126b7c12596a101607Mike Stump ComplexPairTy EmitComplexExpr(const Expr *E, bool IgnoreReal = false, 9507f79f9be5916c51c35da4f126b7c12596a101607Mike Stump bool IgnoreImag = false, 9517f79f9be5916c51c35da4f126b7c12596a101607Mike Stump bool IgnoreRealAssign = false, 9527f79f9be5916c51c35da4f126b7c12596a101607Mike Stump bool IgnoreImagAssign = false); 9530dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 95423b1cdb0b5e089468bb8475b8ec9287af67b4b59Chris Lattner /// EmitComplexExprIntoAddr - Emit the computation of the specified expression 95523b1cdb0b5e089468bb8475b8ec9287af67b4b59Chris Lattner /// of complex type, storing into the specified Value*. 956190dbe203c2e892ac40f1786035c6c9be3f44a4cChris Lattner void EmitComplexExprIntoAddr(const Expr *E, llvm::Value *DestAddr, 957190dbe203c2e892ac40f1786035c6c9be3f44a4cChris Lattner bool DestIsVolatile); 9587f8ea5c5b3a6a4332a841eefdd86b0726722ea7bDaniel Dunbar 9597f8ea5c5b3a6a4332a841eefdd86b0726722ea7bDaniel Dunbar /// StoreComplexToAddr - Store a complex number into the specified address. 9607f8ea5c5b3a6a4332a841eefdd86b0726722ea7bDaniel Dunbar void StoreComplexToAddr(ComplexPairTy V, llvm::Value *DestAddr, 9617f8ea5c5b3a6a4332a841eefdd86b0726722ea7bDaniel Dunbar bool DestIsVolatile); 9629b65551d0b387a7597fb39356a4d8ef10046445eChris Lattner /// LoadComplexFromAddr - Load a complex number from the specified address. 9639b65551d0b387a7597fb39356a4d8ef10046445eChris Lattner ComplexPairTy LoadComplexFromAddr(llvm::Value *SrcAddr, bool SrcIsVolatile); 9642621fd1d6d3c5eadcae246859f62738645df7540Chris Lattner 9650096acf421c4609ce7f43e8b05f8c5ca866d4611Daniel Dunbar /// CreateStaticBlockVarDecl - Create a zero-initialized LLVM global 9660096acf421c4609ce7f43e8b05f8c5ca866d4611Daniel Dunbar /// for a static block var decl. 9670096acf421c4609ce7f43e8b05f8c5ca866d4611Daniel Dunbar llvm::GlobalVariable * CreateStaticBlockVarDecl(const VarDecl &D, 9680096acf421c4609ce7f43e8b05f8c5ca866d4611Daniel Dunbar const char *Separator, 9690096acf421c4609ce7f43e8b05f8c5ca866d4611Daniel Dunbar llvm::GlobalValue::LinkageTypes 9700096acf421c4609ce7f43e8b05f8c5ca866d4611Daniel Dunbar Linkage); 9710096acf421c4609ce7f43e8b05f8c5ca866d4611Daniel Dunbar 9723b2e16b3d25f6b311dba2871e2a566c96238c3d2Anders Carlsson /// EmitStaticCXXBlockVarDeclInit - Create the initializer for a C++ 9730096acf421c4609ce7f43e8b05f8c5ca866d4611Daniel Dunbar /// runtime initialized static block var decl. 9743b2e16b3d25f6b311dba2871e2a566c96238c3d2Anders Carlsson void EmitStaticCXXBlockVarDeclInit(const VarDecl &D, 9753b2e16b3d25f6b311dba2871e2a566c96238c3d2Anders Carlsson llvm::GlobalVariable *GV); 976e1b29efab32d02e114046d33cca242a88585bf8aAnders Carlsson 9773b2e16b3d25f6b311dba2871e2a566c96238c3d2Anders Carlsson /// EmitCXXGlobalVarDeclInit - Create the initializer for a C++ 9783b2e16b3d25f6b311dba2871e2a566c96238c3d2Anders Carlsson /// variable with global storage. 9793b2e16b3d25f6b311dba2871e2a566c96238c3d2Anders Carlsson void EmitCXXGlobalVarDeclInit(const VarDecl &D, llvm::Constant *DeclPtr); 9803b2e16b3d25f6b311dba2871e2a566c96238c3d2Anders Carlsson 9813b2e16b3d25f6b311dba2871e2a566c96238c3d2Anders Carlsson /// EmitCXXGlobalDtorRegistration - Emits a call to register the global ptr 9823b2e16b3d25f6b311dba2871e2a566c96238c3d2Anders Carlsson /// with the C++ runtime so that its destructor will be called at exit. 9833b2e16b3d25f6b311dba2871e2a566c96238c3d2Anders Carlsson void EmitCXXGlobalDtorRegistration(const CXXDestructorDecl *Dtor, 9843b2e16b3d25f6b311dba2871e2a566c96238c3d2Anders Carlsson llvm::Constant *DeclPtr); 9851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// GenerateCXXGlobalInitFunc - Generates code for initializing global 98789ed31d3f9eeb8ec77c284a5cf404a74bf5e7acfAnders Carlsson /// variables. 98889ed31d3f9eeb8ec77c284a5cf404a74bf5e7acfAnders Carlsson void GenerateCXXGlobalInitFunc(llvm::Function *Fn, 98989ed31d3f9eeb8ec77c284a5cf404a74bf5e7acfAnders Carlsson const VarDecl **Decls, 99089ed31d3f9eeb8ec77c284a5cf404a74bf5e7acfAnders Carlsson unsigned NumDecls); 9911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 99231ccf377f4a676eb6c205b47eef435de616d5e2dAnders Carlsson void EmitCXXConstructExpr(llvm::Value *Dest, const CXXConstructExpr *E); 9931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 994b58d017f2b9eeed33f2ab3ede968b89cf5296bf2Anders Carlsson RValue EmitCXXExprWithTemporaries(const CXXExprWithTemporaries *E, 9951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump llvm::Value *AggLoc = 0, 99614c5cbf59cffee52275230922283a247de407712Anders Carlsson bool IsAggLocVolatile = false, 99714c5cbf59cffee52275230922283a247de407712Anders Carlsson bool IsInitializer = false); 9981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9990ffb125996336fc7602b162c0a9e392f1a93060fDaniel Dunbar //===--------------------------------------------------------------------===// 10000ffb125996336fc7602b162c0a9e392f1a93060fDaniel Dunbar // Internal Helpers 10010ffb125996336fc7602b162c0a9e392f1a93060fDaniel Dunbar //===--------------------------------------------------------------------===// 10020dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 10030946ccd1e58c1f1da31ddbca67c5b6301ac8b255Chris Lattner /// ContainsLabel - Return true if the statement contains a label in it. If 10040946ccd1e58c1f1da31ddbca67c5b6301ac8b255Chris Lattner /// this statement is not executed normally, it not containing a label means 10050946ccd1e58c1f1da31ddbca67c5b6301ac8b255Chris Lattner /// that we can just remove the code. 10060946ccd1e58c1f1da31ddbca67c5b6301ac8b255Chris Lattner static bool ContainsLabel(const Stmt *S, bool IgnoreCaseStmts = false); 10070dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 10084bc0455d826e9634b7a68c0d06146edd633c9453Daniel Dunbar /// ConstantFoldsToSimpleInteger - If the specified expression does not fold 100931a0984b5cb4af99d2407c0f25bf5af68df681c6Chris Lattner /// to a constant, or if it does but contains a label, return 0. If it 101031a0984b5cb4af99d2407c0f25bf5af68df681c6Chris Lattner /// constant folds to 'true' and does not contain a label, return 1, if it 101131a0984b5cb4af99d2407c0f25bf5af68df681c6Chris Lattner /// constant folds to 'false' and does not contain a label, return -1. 101231a0984b5cb4af99d2407c0f25bf5af68df681c6Chris Lattner int ConstantFoldsToSimpleInteger(const Expr *Cond); 10130dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 101431a0984b5cb4af99d2407c0f25bf5af68df681c6Chris Lattner /// EmitBranchOnBoolExpr - Emit a branch on a boolean condition (e.g. for an 101531a0984b5cb4af99d2407c0f25bf5af68df681c6Chris Lattner /// if statement) to the specified blocks. Based on the condition, this might 101631a0984b5cb4af99d2407c0f25bf5af68df681c6Chris Lattner /// try to simplify the codegen of the conditional based on the branch. 10179bc47e29dce8f095be7a6d07dbb02a5a7a112949Chris Lattner void EmitBranchOnBoolExpr(const Expr *Cond, llvm::BasicBlock *TrueBlock, 10184bc0455d826e9634b7a68c0d06146edd633c9453Daniel Dunbar llvm::BasicBlock *FalseBlock); 101931a0984b5cb4af99d2407c0f25bf5af68df681c6Chris Lattnerprivate: 10200dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 102129e0bccf2bcce22b877f8b2ed173f564c116b97eDaniel Dunbar void EmitReturnOfRValue(RValue RV, QualType Ty); 102229e0bccf2bcce22b877f8b2ed173f564c116b97eDaniel Dunbar 10235627377df5439a1d3d46a4e4cef4ae44f84a322bDaniel Dunbar /// ExpandTypeFromArgs - Reconstruct a structure of type \arg Ty 10245627377df5439a1d3d46a4e4cef4ae44f84a322bDaniel Dunbar /// from function arguments into \arg Dst. See ABIArgInfo::Expand. 10255627377df5439a1d3d46a4e4cef4ae44f84a322bDaniel Dunbar /// 10265627377df5439a1d3d46a4e4cef4ae44f84a322bDaniel Dunbar /// \param AI - The first function argument of the expansion. 10275627377df5439a1d3d46a4e4cef4ae44f84a322bDaniel Dunbar /// \return The argument following the last expanded function 10285627377df5439a1d3d46a4e4cef4ae44f84a322bDaniel Dunbar /// argument. 10290dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump llvm::Function::arg_iterator 10305627377df5439a1d3d46a4e4cef4ae44f84a322bDaniel Dunbar ExpandTypeFromArgs(QualType Ty, LValue Dst, 10315627377df5439a1d3d46a4e4cef4ae44f84a322bDaniel Dunbar llvm::Function::arg_iterator AI); 10325627377df5439a1d3d46a4e4cef4ae44f84a322bDaniel Dunbar 10330dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// ExpandTypeToArgs - Expand an RValue \arg Src, with the LLVM type for \arg 10340dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// Ty, into individual arguments on the provided vector \arg Args. See 10350dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump /// ABIArgInfo::Expand. 10360dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump void ExpandTypeToArgs(QualType Ty, RValue Src, 10375627377df5439a1d3d46a4e4cef4ae44f84a322bDaniel Dunbar llvm::SmallVector<llvm::Value*, 16> &Args); 1038c8c7b187adcd989e01a9fba1ebead6c2abd770c9Anders Carlsson 10391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump llvm::Value* EmitAsmInput(const AsmStmt &S, 1040b84e8a670ad1d00c0a34295c42ac700cdde04815Daniel Dunbar const TargetInfo::ConstraintInfo &Info, 1041c8c7b187adcd989e01a9fba1ebead6c2abd770c9Anders Carlsson const Expr *InputExpr, std::string &ConstraintStr); 10420dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 1043c71c845fe77ee1f891d60232ec320912d88557eeAnders Carlsson /// EmitCleanupBlock - emits a single cleanup block. 1044c71c845fe77ee1f891d60232ec320912d88557eeAnders Carlsson void EmitCleanupBlock(); 1045c71c845fe77ee1f891d60232ec320912d88557eeAnders Carlsson 104687eaf17cc88516277e4389dfa15df93ecfdce559Anders Carlsson /// AddBranchFixup - adds a branch instruction to the list of fixups for the 104787eaf17cc88516277e4389dfa15df93ecfdce559Anders Carlsson /// current cleanup scope. 104887eaf17cc88516277e4389dfa15df93ecfdce559Anders Carlsson void AddBranchFixup(llvm::BranchInst *BI); 10490dd9e88aa972d80025c66fb3d7df0266b44cad1aMike Stump 10500139bb96494b4c4ba0824617d5d2495dc7e44c76Anders Carlsson /// EmitCallArg - Emit a single call argument. 10510139bb96494b4c4ba0824617d5d2495dc7e44c76Anders Carlsson RValue EmitCallArg(const Expr *E, QualType ArgType); 10521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10530139bb96494b4c4ba0824617d5d2495dc7e44c76Anders Carlsson /// EmitCallArgs - Emit call arguments for a function. 10541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// The CallArgTypeInfo parameter is used for iterating over the known 1055af23f69aa6247e6bd20a66b2e16babb91f192535Anders Carlsson /// argument types of the function being called. 1056af23f69aa6247e6bd20a66b2e16babb91f192535Anders Carlsson template<typename T> 1057af23f69aa6247e6bd20a66b2e16babb91f192535Anders Carlsson void EmitCallArgs(CallArgList& Args, const T* CallArgTypeInfo, 10580139bb96494b4c4ba0824617d5d2495dc7e44c76Anders Carlsson CallExpr::const_arg_iterator ArgBeg, 1059af23f69aa6247e6bd20a66b2e16babb91f192535Anders Carlsson CallExpr::const_arg_iterator ArgEnd) { 1060af23f69aa6247e6bd20a66b2e16babb91f192535Anders Carlsson CallExpr::const_arg_iterator Arg = ArgBeg; 1061af23f69aa6247e6bd20a66b2e16babb91f192535Anders Carlsson 1062af23f69aa6247e6bd20a66b2e16babb91f192535Anders Carlsson // First, use the argument types that the type info knows about 1063af23f69aa6247e6bd20a66b2e16babb91f192535Anders Carlsson if (CallArgTypeInfo) { 1064af23f69aa6247e6bd20a66b2e16babb91f192535Anders Carlsson for (typename T::arg_type_iterator I = CallArgTypeInfo->arg_type_begin(), 1065af23f69aa6247e6bd20a66b2e16babb91f192535Anders Carlsson E = CallArgTypeInfo->arg_type_end(); I != E; ++I, ++Arg) { 1066af23f69aa6247e6bd20a66b2e16babb91f192535Anders Carlsson QualType ArgType = *I; 1067af23f69aa6247e6bd20a66b2e16babb91f192535Anders Carlsson 1068af23f69aa6247e6bd20a66b2e16babb91f192535Anders Carlsson assert(getContext().getCanonicalType(ArgType.getNonReferenceType()). 10691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getTypePtr() == 10701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getContext().getCanonicalType(Arg->getType()).getTypePtr() && 1071af23f69aa6247e6bd20a66b2e16babb91f192535Anders Carlsson "type mismatch in call argument!"); 10721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Args.push_back(std::make_pair(EmitCallArg(*Arg, ArgType), 1074af23f69aa6247e6bd20a66b2e16babb91f192535Anders Carlsson ArgType)); 1075af23f69aa6247e6bd20a66b2e16babb91f192535Anders Carlsson } 10761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Either we've emitted all the call args, or we have a call to a 1078af23f69aa6247e6bd20a66b2e16babb91f192535Anders Carlsson // variadic function. 10791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert((Arg == ArgEnd || CallArgTypeInfo->isVariadic()) && 1080af23f69aa6247e6bd20a66b2e16babb91f192535Anders Carlsson "Extra arguments in non-variadic function!"); 10811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1082af23f69aa6247e6bd20a66b2e16babb91f192535Anders Carlsson } 10831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1084af23f69aa6247e6bd20a66b2e16babb91f192535Anders Carlsson // If we still have any arguments, emit them using the type of the argument. 1085af23f69aa6247e6bd20a66b2e16babb91f192535Anders Carlsson for (; Arg != ArgEnd; ++Arg) { 1086af23f69aa6247e6bd20a66b2e16babb91f192535Anders Carlsson QualType ArgType = Arg->getType(); 1087af23f69aa6247e6bd20a66b2e16babb91f192535Anders Carlsson Args.push_back(std::make_pair(EmitCallArg(*Arg, ArgType), 1088af23f69aa6247e6bd20a66b2e16babb91f192535Anders Carlsson ArgType)); 1089af23f69aa6247e6bd20a66b2e16babb91f192535Anders Carlsson } 1090af23f69aa6247e6bd20a66b2e16babb91f192535Anders Carlsson } 10915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 10921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1093af23f69aa6247e6bd20a66b2e16babb91f192535Anders Carlsson 10945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace CodeGen 10955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace clang 10965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif 1098