CodeGenFunction.h revision 5627377df5439a1d3d46a4e4cef4ae44f84a322b
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// 105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 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" 185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "llvm/ADT/DenseMap.h" 19da13870e99fe33934b2122f06528a5063f78ae4cChris Lattner#include "llvm/ADT/SmallVector.h" 2050b36741673258aaebcd3c7fe1260031901cae57Chris Lattner#include "llvm/Support/IRBuilder.h" 215549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek#include "clang/AST/Expr.h" 22e3a09e6ad09f8d1387ecaa008aaf85527909da0aArgyrios Kyrtzidis#include "clang/AST/ExprCXX.h" 235549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek#include "clang/AST/ExprObjC.h" 245549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek 255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include <vector> 260ffb125996336fc7602b162c0a9e392f1a93060fDaniel Dunbar#include <map> 275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 280dbe227feccf6a8dbadfff8ca3f80416b7bf2f28Daniel Dunbar#include "CGCall.h" 298f2926b73ed635afecd020da787af6a837601a2bDaniel Dunbar#include "CGValue.h" 308f2926b73ed635afecd020da787af6a837601a2bDaniel Dunbar 315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace llvm { 32c4a1dea2dc56bd1357ec91b829a0b9e68229a13eDaniel Dunbar class BasicBlock; 335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class Module; 345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace clang { 375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class ASTContext; 385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class Decl; 39c4a1dea2dc56bd1357ec91b829a0b9e68229a13eDaniel Dunbar class EnumConstantDecl; 405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class FunctionDecl; 41c4a1dea2dc56bd1357ec91b829a0b9e68229a13eDaniel Dunbar class FunctionTypeProto; 42c4a1dea2dc56bd1357ec91b829a0b9e68229a13eDaniel Dunbar class LabelStmt; 43391d77a26382dddf25da73e29fc1fa5aaaea4c6fChris Lattner class ObjCMethodDecl; 44af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar class ObjCPropertyImplDecl; 455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class TargetInfo; 46c4a1dea2dc56bd1357ec91b829a0b9e68229a13eDaniel Dunbar class VarDecl; 475549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek 485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace CodeGen { 495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class CodeGenModule; 50b84a06e68ffd71da22e3c75b6e4bbdba37816413Devang Patel class CodeGenTypes; 5188a981b47c7face1b1fdaa9074256245107b9ca9Devang Patel class CGRecordLayout; 525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// CodeGenFunction - This class organizes the per-function state that is used 545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// while generating LLVM code. 555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass CodeGenFunction { 56bfc0c1ae4b505b52b36f572a9641f99e76879cabChris Lattnerpublic: 575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer CodeGenModule &CGM; // Per-module state. 585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer TargetInfo &Target; 59bfc0c1ae4b505b52b36f572a9641f99e76879cabChris Lattner 6058dee10ed2eee34035f62d1c2d32b3639e9182f8Chris Lattner typedef std::pair<llvm::Value *, llvm::Value *> ComplexPairTy; 6185e356825b291f86c6e926638914222b834b71a3Chris Lattner llvm::IRBuilder<> Builder; 625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 63c8aa5f1f264fb230c38182adab944232bb160c2bChris Lattner // Holds the Decl for the current function or method 644111024be81e7c0525e42dadcc126d27e5bf2425Chris Lattner const Decl *CurFuncDecl; 65391d77a26382dddf25da73e29fc1fa5aaaea4c6fChris Lattner QualType FnRetTy; 665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::Function *CurFn; 675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 685ca2084cf9b529563209429857f01fdae9dcdfa5Daniel Dunbar /// ReturnBlock - Unified return block. 695ca2084cf9b529563209429857f01fdae9dcdfa5Daniel Dunbar llvm::BasicBlock *ReturnBlock; 705ca2084cf9b529563209429857f01fdae9dcdfa5Daniel Dunbar /// ReturnValue - The temporary alloca to hold the return value. This 715ca2084cf9b529563209429857f01fdae9dcdfa5Daniel Dunbar /// is null iff the function has no return value. 725ca2084cf9b529563209429857f01fdae9dcdfa5Daniel Dunbar llvm::Instruction *ReturnValue; 735ca2084cf9b529563209429857f01fdae9dcdfa5Daniel Dunbar 745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// AllocaInsertPoint - This is an instruction in the entry block before which 755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// we prefer to insert allocas. 765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::Instruction *AllocaInsertPt; 770ffb125996336fc7602b162c0a9e392f1a93060fDaniel Dunbar 785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const llvm::Type *LLVMIntTy; 797b66000bdfc2684351fb03208e672f23012ed569Hartmut Kaiser uint32_t LLVMPointerWidth; 805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 817f02f721d48772e4eee4fccd8af4f800be1bbc1eChris Lattnerprivate: 820ffb125996336fc7602b162c0a9e392f1a93060fDaniel Dunbar /// LabelIDs - Track arbitrary ids assigned to labels for use in 830ffb125996336fc7602b162c0a9e392f1a93060fDaniel Dunbar /// implementing the GCC address-of-label extension and indirect 840ffb125996336fc7602b162c0a9e392f1a93060fDaniel Dunbar /// goto. IDs are assigned to labels inside getIDForAddrOfLabel(). 850ffb125996336fc7602b162c0a9e392f1a93060fDaniel Dunbar std::map<const LabelStmt*, unsigned> LabelIDs; 860ffb125996336fc7602b162c0a9e392f1a93060fDaniel Dunbar 870ffb125996336fc7602b162c0a9e392f1a93060fDaniel Dunbar /// IndirectSwitches - Record the list of switches for indirect 880ffb125996336fc7602b162c0a9e392f1a93060fDaniel Dunbar /// gotos. Emission of the actual switching code needs to be delayed 890ffb125996336fc7602b162c0a9e392f1a93060fDaniel Dunbar /// until all AddrLabelExprs have been seen. 900ffb125996336fc7602b162c0a9e392f1a93060fDaniel Dunbar std::vector<llvm::SwitchInst*> IndirectSwitches; 910ffb125996336fc7602b162c0a9e392f1a93060fDaniel Dunbar 925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// LocalDeclMap - This keeps track of the LLVM allocas or globals for local C 935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// decls. 945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::DenseMap<const Decl*, llvm::Value*> LocalDeclMap; 955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// LabelMap - This keeps track of the LLVM basic block for each C label. 975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::DenseMap<const LabelStmt*, llvm::BasicBlock*> LabelMap; 98da13870e99fe33934b2122f06528a5063f78ae4cChris Lattner 99da13870e99fe33934b2122f06528a5063f78ae4cChris Lattner // BreakContinueStack - This keeps track of where break and continue 100da13870e99fe33934b2122f06528a5063f78ae4cChris Lattner // statements should jump to. 101da13870e99fe33934b2122f06528a5063f78ae4cChris Lattner struct BreakContinue { 102da13870e99fe33934b2122f06528a5063f78ae4cChris Lattner BreakContinue(llvm::BasicBlock *bb, llvm::BasicBlock *cb) 103da13870e99fe33934b2122f06528a5063f78ae4cChris Lattner : BreakBlock(bb), ContinueBlock(cb) {} 104da13870e99fe33934b2122f06528a5063f78ae4cChris Lattner 105da13870e99fe33934b2122f06528a5063f78ae4cChris Lattner llvm::BasicBlock *BreakBlock; 106da13870e99fe33934b2122f06528a5063f78ae4cChris Lattner llvm::BasicBlock *ContinueBlock; 107da13870e99fe33934b2122f06528a5063f78ae4cChris Lattner }; 108da13870e99fe33934b2122f06528a5063f78ae4cChris Lattner llvm::SmallVector<BreakContinue, 8> BreakContinueStack; 109da13870e99fe33934b2122f06528a5063f78ae4cChris Lattner 11080fd5f96e6805ac43aab99faabd5b4c8b19551b7Devang Patel /// SwitchInsn - This is nearest current switch instruction. It is null if 11180fd5f96e6805ac43aab99faabd5b4c8b19551b7Devang Patel /// if current context is not in a switch. 11251b09f2c528c8460b5465c676173324e44176d62Devang Patel llvm::SwitchInst *SwitchInsn; 11351b09f2c528c8460b5465c676173324e44176d62Devang Patel 11480fd5f96e6805ac43aab99faabd5b4c8b19551b7Devang Patel /// CaseRangeBlock - This block holds if condition check for last case 11580fd5f96e6805ac43aab99faabd5b4c8b19551b7Devang Patel /// statement range in current switch instruction. 116c049e4f406a7f7179eba98659044a32508e53289Devang Patel llvm::BasicBlock *CaseRangeBlock; 117c049e4f406a7f7179eba98659044a32508e53289Devang Patel 1185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer CodeGenFunction(CodeGenModule &cgm); 1205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ASTContext &getContext() const; 1225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 123391d77a26382dddf25da73e29fc1fa5aaaea4c6fChris Lattner void GenerateObjCMethod(const ObjCMethodDecl *OMD); 124af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar 125af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar void StartObjCMethod(const ObjCMethodDecl *MD); 126af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar 127af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar /// GenerateObjCGetter - Synthesize an Objective-C property getter 128af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar /// function. 129af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar void GenerateObjCGetter(const ObjCPropertyImplDecl *PID); 130af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar 131af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar /// GenerateObjCSetter - Synthesize an Objective-C property setter 132af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar /// function for the given property. 133af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar void GenerateObjCSetter(const ObjCPropertyImplDecl *PID); 134af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar 135bd012ff1fa088181646a784f385b28867372d434Daniel Dunbar void GenerateCode(const FunctionDecl *FD, 136bd012ff1fa088181646a784f385b28867372d434Daniel Dunbar llvm::Function *Fn); 1377c086516f3cc9fba2733b1919973206c6ba4b171Daniel Dunbar void StartFunction(const Decl *D, QualType RetTy, 1387c086516f3cc9fba2733b1919973206c6ba4b171Daniel Dunbar llvm::Function *Fn, 1397c086516f3cc9fba2733b1919973206c6ba4b171Daniel Dunbar const FunctionArgList &Args); 140af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar void FinishFunction(SourceLocation EndLoc=SourceLocation()); 14117b708d61827cd86278e9580b041dd6cbadf07d3Daniel Dunbar 14217b708d61827cd86278e9580b041dd6cbadf07d3Daniel Dunbar /// EmitFunctionProlog - Emit the target specific LLVM code to load 14317b708d61827cd86278e9580b041dd6cbadf07d3Daniel Dunbar /// the arguments for the given function. This is also responsible 14417b708d61827cd86278e9580b041dd6cbadf07d3Daniel Dunbar /// for naming the LLVM function arguments. 14517b708d61827cd86278e9580b041dd6cbadf07d3Daniel Dunbar void EmitFunctionProlog(llvm::Function *Fn, QualType RetTy, 14617b708d61827cd86278e9580b041dd6cbadf07d3Daniel Dunbar const FunctionArgList &Args); 14717b708d61827cd86278e9580b041dd6cbadf07d3Daniel Dunbar 14817b708d61827cd86278e9580b041dd6cbadf07d3Daniel Dunbar /// EmitFunctionEpilog - Emit the target specific LLVM code to 14917b708d61827cd86278e9580b041dd6cbadf07d3Daniel Dunbar /// return the given temporary. 15017b708d61827cd86278e9580b041dd6cbadf07d3Daniel Dunbar void EmitFunctionEpilog(QualType RetTy, 15117b708d61827cd86278e9580b041dd6cbadf07d3Daniel Dunbar llvm::Value *ReturnValue); 15217b708d61827cd86278e9580b041dd6cbadf07d3Daniel Dunbar 1535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const llvm::Type *ConvertType(QualType T); 154c8aa5f1f264fb230c38182adab944232bb160c2bChris Lattner 155b7ec246872b412f0e7bb9e93eacfd78cfa6adfb3Daniel Dunbar /// LoadObjCSelf - Load the value of self. This function is only 156b7ec246872b412f0e7bb9e93eacfd78cfa6adfb3Daniel Dunbar /// valid while generating code for an Objective-C method. 157c8aa5f1f264fb230c38182adab944232bb160c2bChris Lattner llvm::Value *LoadObjCSelf(); 1584111024be81e7c0525e42dadcc126d27e5bf2425Chris Lattner 1594111024be81e7c0525e42dadcc126d27e5bf2425Chris Lattner /// isObjCPointerType - Return true if the specificed AST type will map onto 1604111024be81e7c0525e42dadcc126d27e5bf2425Chris Lattner /// some Objective-C pointer type. 1614111024be81e7c0525e42dadcc126d27e5bf2425Chris Lattner static bool isObjCPointerType(QualType T); 1624111024be81e7c0525e42dadcc126d27e5bf2425Chris Lattner 1635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// hasAggregateLLVMType - Return true if the specified AST type will map into 1645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// an aggregate LLVM type or is void. 1655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool hasAggregateLLVMType(QualType T); 1665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getBasicBlockForLabel - Return the LLVM basicblock that the specified 1685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// label maps to. 1695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::BasicBlock *getBasicBlockForLabel(const LabelStmt *S); 1705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void EmitBlock(llvm::BasicBlock *BB); 173dc5e8268292046114ffe02e48773572a91a310f1Chris Lattner 174488e993a135ce700b982bf099c3d6b856301d642Daniel Dunbar /// ErrorUnsupported - Print out an error that codegen doesn't support the 175dc5e8268292046114ffe02e48773572a91a310f1Chris Lattner /// specified stmt yet. 17690df4b6661968a84bf64baee489bb2f6d948fcc1Daniel Dunbar void ErrorUnsupported(const Stmt *S, const char *Type, 17790df4b6661968a84bf64baee489bb2f6d948fcc1Daniel Dunbar bool OmitOnError=false); 1785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer //===--------------------------------------------------------------------===// 1805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Helpers 1815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer //===--------------------------------------------------------------------===// 1825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// CreateTempAlloca - This creates a alloca and inserts it into the entry 1845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// block. 1855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::AllocaInst *CreateTempAlloca(const llvm::Type *Ty, 1865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *Name = "tmp"); 1875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// EvaluateExprAsBool - Perform the usual unary conversions on the specified 1895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// expression and compare the result against zero, returning an Int1Ty value. 1905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::Value *EvaluateExprAsBool(const Expr *E); 1915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1929b65551d0b387a7597fb39356a4d8ef10046445eChris Lattner /// EmitAnyExpr - Emit code to compute the specified expression which can have 1939b65551d0b387a7597fb39356a4d8ef10046445eChris Lattner /// any type. The result is returned as an RValue struct. If this is an 1949b65551d0b387a7597fb39356a4d8ef10046445eChris Lattner /// aggregate expression, the aggloc/agglocvolatile arguments indicate where 1959b65551d0b387a7597fb39356a4d8ef10046445eChris Lattner /// the result should be returned. 1969b65551d0b387a7597fb39356a4d8ef10046445eChris Lattner RValue EmitAnyExpr(const Expr *E, llvm::Value *AggLoc = 0, 1979b65551d0b387a7597fb39356a4d8ef10046445eChris Lattner bool isAggLocVolatile = false); 198d9363c3a80168283b3da518b4e17f545a6246857Devang Patel 19946f45b9bec4a265ad8400a538e5ec3a5683617f1Daniel Dunbar /// EmitAnyExprToTemp - Similary to EmitAnyExpr(), however, the result 20046f45b9bec4a265ad8400a538e5ec3a5683617f1Daniel Dunbar /// will always be accessible even if no aggregate location is 20146f45b9bec4a265ad8400a538e5ec3a5683617f1Daniel Dunbar /// provided. 20246f45b9bec4a265ad8400a538e5ec3a5683617f1Daniel Dunbar RValue EmitAnyExprToTemp(const Expr *E, llvm::Value *AggLoc = 0, 20346f45b9bec4a265ad8400a538e5ec3a5683617f1Daniel Dunbar bool isAggLocVolatile = false); 20446f45b9bec4a265ad8400a538e5ec3a5683617f1Daniel Dunbar 2057482d12c345c6391f8956850545e2d4aa7701ce6Daniel Dunbar void EmitAggregateCopy(llvm::Value *DestPtr, llvm::Value *SrcPtr, 2067482d12c345c6391f8956850545e2d4aa7701ce6Daniel Dunbar QualType EltTy); 2077482d12c345c6391f8956850545e2d4aa7701ce6Daniel Dunbar 2087482d12c345c6391f8956850545e2d4aa7701ce6Daniel Dunbar void EmitAggregateClear(llvm::Value *DestPtr, QualType Ty); 2097482d12c345c6391f8956850545e2d4aa7701ce6Daniel Dunbar 210d9363c3a80168283b3da518b4e17f545a6246857Devang Patel /// isDummyBlock - Return true if BB is an empty basic block 211d9363c3a80168283b3da518b4e17f545a6246857Devang Patel /// with no predecessors. 212d9363c3a80168283b3da518b4e17f545a6246857Devang Patel static bool isDummyBlock(const llvm::BasicBlock *BB); 213d9363c3a80168283b3da518b4e17f545a6246857Devang Patel 21451b09f2c528c8460b5465c676173324e44176d62Devang Patel /// StartBlock - Start new block named N. If insert block is a dummy block 21551b09f2c528c8460b5465c676173324e44176d62Devang Patel /// then reuse it. 21651b09f2c528c8460b5465c676173324e44176d62Devang Patel void StartBlock(const char *N); 21751b09f2c528c8460b5465c676173324e44176d62Devang Patel 21888a981b47c7face1b1fdaa9074256245107b9ca9Devang Patel /// getCGRecordLayout - Return record layout info. 21988a981b47c7face1b1fdaa9074256245107b9ca9Devang Patel const CGRecordLayout *getCGRecordLayout(CodeGenTypes &CGT, QualType RTy); 220813733577d33ec56479667b49e1bff42dc6bba90Lauro Ramos Venancio 221813733577d33ec56479667b49e1bff42dc6bba90Lauro Ramos Venancio /// GetAddrOfStaticLocalVar - Return the address of a static local variable. 222248a753f6b670692523c99afaeb8fe98f7ae3ca7Steve Naroff llvm::Constant *GetAddrOfStaticLocalVar(const VarDecl *BVD); 2234f8d123e3e2c260de3377208106ddba87cee28b4Dan Gohman 224dde0a94120915fa925d1ffcdb997c7b44dc9fa21Anders Carlsson /// GetAddrOfLocalVar - Return the address of a local variable. 225dde0a94120915fa925d1ffcdb997c7b44dc9fa21Anders Carlsson llvm::Value *GetAddrOfLocalVar(const VarDecl *VD); 226dde0a94120915fa925d1ffcdb997c7b44dc9fa21Anders Carlsson 2274f8d123e3e2c260de3377208106ddba87cee28b4Dan Gohman /// getAccessedFieldNo - Given an encoded value and a result number, return 2284f8d123e3e2c260de3377208106ddba87cee28b4Dan Gohman /// the input field number being accessed. 2294f8d123e3e2c260de3377208106ddba87cee28b4Dan Gohman static unsigned getAccessedFieldNo(unsigned Idx, const llvm::Constant *Elts); 2304f8d123e3e2c260de3377208106ddba87cee28b4Dan Gohman 2310ffb125996336fc7602b162c0a9e392f1a93060fDaniel Dunbar unsigned GetIDForAddrOfLabel(const LabelStmt *L); 2320ffb125996336fc7602b162c0a9e392f1a93060fDaniel Dunbar 2333d8400d9a61aa4b63ff35e5cede405b32a41425eAnders Carlsson /// EmitMemSetToZero - Generate code to memset a value of the given type to 0; 2343d8400d9a61aa4b63ff35e5cede405b32a41425eAnders Carlsson void EmitMemSetToZero(llvm::Value *DestPtr, QualType Ty); 2353d8400d9a61aa4b63ff35e5cede405b32a41425eAnders Carlsson 2365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer //===--------------------------------------------------------------------===// 2375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Declaration Emission 2385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer //===--------------------------------------------------------------------===// 2395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void EmitDecl(const Decl &D); 241248a753f6b670692523c99afaeb8fe98f7ae3ca7Steve Naroff void EmitBlockVarDecl(const VarDecl &D); 242248a753f6b670692523c99afaeb8fe98f7ae3ca7Steve Naroff void EmitLocalBlockVarDecl(const VarDecl &D); 243248a753f6b670692523c99afaeb8fe98f7ae3ca7Steve Naroff void EmitStaticBlockVarDecl(const VarDecl &D); 244b7ec246872b412f0e7bb9e93eacfd78cfa6adfb3Daniel Dunbar 245b7ec246872b412f0e7bb9e93eacfd78cfa6adfb3Daniel Dunbar /// EmitParmDecl - Emit a ParmVarDecl or an ImplicitParamDecl. 246b7ec246872b412f0e7bb9e93eacfd78cfa6adfb3Daniel Dunbar void EmitParmDecl(const VarDecl &D, llvm::Value *Arg); 2475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer //===--------------------------------------------------------------------===// 2495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Statement Emission 2505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer //===--------------------------------------------------------------------===// 2515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void EmitStmt(const Stmt *S); 2539b65551d0b387a7597fb39356a4d8ef10046445eChris Lattner RValue EmitCompoundStmt(const CompoundStmt &S, bool GetLast = false, 2549b65551d0b387a7597fb39356a4d8ef10046445eChris Lattner llvm::Value *AggLoc = 0, bool isAggVol = false); 25591d723da7b68be5245c3ac58aa2a36d04658cfb8Chris Lattner void EmitLabel(const LabelStmt &S); // helper for EmitLabelStmt. 2565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void EmitLabelStmt(const LabelStmt &S); 2575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void EmitGotoStmt(const GotoStmt &S); 2580ffb125996336fc7602b162c0a9e392f1a93060fDaniel Dunbar void EmitIndirectGotoStmt(const IndirectGotoStmt &S); 2595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void EmitIfStmt(const IfStmt &S); 2605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void EmitWhileStmt(const WhileStmt &S); 2615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void EmitDoStmt(const DoStmt &S); 2625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void EmitForStmt(const ForStmt &S); 2635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void EmitReturnStmt(const ReturnStmt &S); 2645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void EmitDeclStmt(const DeclStmt &S); 265da13870e99fe33934b2122f06528a5063f78ae4cChris Lattner void EmitBreakStmt(); 266da13870e99fe33934b2122f06528a5063f78ae4cChris Lattner void EmitContinueStmt(); 26751b09f2c528c8460b5465c676173324e44176d62Devang Patel void EmitSwitchStmt(const SwitchStmt &S); 26851b09f2c528c8460b5465c676173324e44176d62Devang Patel void EmitDefaultStmt(const DefaultStmt &S); 26951b09f2c528c8460b5465c676173324e44176d62Devang Patel void EmitCaseStmt(const CaseStmt &S); 270c049e4f406a7f7179eba98659044a32508e53289Devang Patel void EmitCaseStmtRange(const CaseStmt &S); 271fb1aeb804c08d5288a923fb278161783e6abdc66Anders Carlsson void EmitAsmStmt(const AsmStmt &S); 272fb1aeb804c08d5288a923fb278161783e6abdc66Anders Carlsson 2733d8400d9a61aa4b63ff35e5cede405b32a41425eAnders Carlsson void EmitObjCForCollectionStmt(const ObjCForCollectionStmt &S); 27464d5d6c5903157c521af496479d06dc26032d718Anders Carlsson void EmitObjCAtTryStmt(const ObjCAtTryStmt &S); 27564d5d6c5903157c521af496479d06dc26032d718Anders Carlsson void EmitObjCAtThrowStmt(const ObjCAtThrowStmt &S); 2763d8400d9a61aa4b63ff35e5cede405b32a41425eAnders Carlsson 2775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer //===--------------------------------------------------------------------===// 2785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // LValue Expression Emission 2795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer //===--------------------------------------------------------------------===// 2805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2816ba82a4a4b295e54cf192c3e98b28f39990c6194Daniel Dunbar /// EmitUnsupportedLValue - Emit a dummy l-value using the type of E 2826ba82a4a4b295e54cf192c3e98b28f39990c6194Daniel Dunbar /// and issue an ErrorUnsupported style diagnostic (using the 2836ba82a4a4b295e54cf192c3e98b28f39990c6194Daniel Dunbar /// provided Name). 2846ba82a4a4b295e54cf192c3e98b28f39990c6194Daniel Dunbar LValue EmitUnsupportedLValue(const Expr *E, 2856ba82a4a4b295e54cf192c3e98b28f39990c6194Daniel Dunbar const char *Name); 2866ba82a4a4b295e54cf192c3e98b28f39990c6194Daniel Dunbar 2875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// EmitLValue - Emit code to compute a designator that specifies the location 2885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// of the expression. 2895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// 2905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// This can return one of two things: a simple address or a bitfield 2915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// reference. In either case, the LLVM Value* in the LValue structure is 2925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// guaranteed to be an LLVM pointer type. 2935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// 2945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// If this returns a bitfield reference, nothing about the pointee type of 2955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// the LLVM value is known: For example, it may not be a pointer to an 2965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// integer. 2975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// 2985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// If this returns a normal address, and if the lvalue's C type is fixed 2995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// size, this method guarantees that the returned pointer type will point to 3005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// an LLVM type of the same size of the lvalue's type. If the lvalue has a 3015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// variable length type, this is not possible. 3025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// 3035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LValue EmitLValue(const Expr *E); 3045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// EmitLoadOfLValue - Given an expression that represents a value lvalue, 3065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// this method emits the address of the lvalue, then loads the result as an 3075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// rvalue, returning the rvalue. 3085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer RValue EmitLoadOfLValue(LValue V, QualType LVType); 309213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman RValue EmitLoadOfExtVectorElementLValue(LValue V, QualType LVType); 3103b8c22d93da1432b2d4cea779d14912645c93866Lauro Ramos Venancio RValue EmitLoadOfBitfieldLValue(LValue LV, QualType ExprType); 31185c59edda02df48fae8dc85049743319bc6e7e89Daniel Dunbar RValue EmitLoadOfPropertyRefLValue(LValue LV, QualType ExprType); 3125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 31334cdc86af5b0a54084a512a1b2643365b8f5bdd2Chris Lattner 3145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// EmitStoreThroughLValue - Store the specified rvalue into the specified 3155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// lvalue, where both are guaranteed to the have the same type, and that type 3165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// is 'Ty'. 3175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void EmitStoreThroughLValue(RValue Src, LValue Dst, QualType Ty); 318213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman void EmitStoreThroughExtVectorComponentLValue(RValue Src, LValue Dst, 319213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman QualType Ty); 320a0c5d0eacede0f67ce46707263ddf4d8de0df706Lauro Ramos Venancio void EmitStoreThroughBitfieldLValue(RValue Src, LValue Dst, QualType Ty); 32185c59edda02df48fae8dc85049743319bc6e7e89Daniel Dunbar void EmitStoreThroughPropertyRefLValue(RValue Src, LValue Dst, QualType Ty); 32222c940ee588a420cd2e6c8f68be2ac3cc80061ffChristopher Lamb 32322c940ee588a420cd2e6c8f68be2ac3cc80061ffChristopher Lamb // Note: only availabe for agg return types 32480e62c29fe21cd06c93eba6e72b7e32dca06fcf9Daniel Dunbar LValue EmitBinaryOperatorLValue(const BinaryOperator *E); 32580e62c29fe21cd06c93eba6e72b7e32dca06fcf9Daniel Dunbar // Note: only availabe for agg return types 32622c940ee588a420cd2e6c8f68be2ac3cc80061ffChristopher Lamb LValue EmitCallExprLValue(const CallExpr *E); 3275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LValue EmitDeclRefLValue(const DeclRefExpr *E); 3295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LValue EmitStringLiteralLValue(const StringLiteral *E); 330d9f6910f4ef37c0e8eeee2a01287d9572c3176efChris Lattner LValue EmitPredefinedLValue(const PredefinedExpr *E); 3315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LValue EmitUnaryOpLValue(const UnaryOperator *E); 3325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LValue EmitArraySubscriptExpr(const ArraySubscriptExpr *E); 333213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman LValue EmitExtVectorElementExpr(const ExtVectorElementExpr *E); 334b84a06e68ffd71da22e3c75b6e4bbdba37816413Devang Patel LValue EmitMemberExpr(const MemberExpr *E); 33506e863f2902b8ba55b056308875c19f7ba3dab25Eli Friedman LValue EmitCompoundLiteralLValue(const CompoundLiteralExpr *E); 336472778eb4fce241721c563280886e98389bc7219Eli Friedman 337472778eb4fce241721c563280886e98389bc7219Eli Friedman LValue EmitLValueForField(llvm::Value* Base, FieldDecl* Field, 3381e692ace08959399794363e77499b73da5494af9Eli Friedman bool isUnion, unsigned CVRQualifiers); 339391d77a26382dddf25da73e29fc1fa5aaaea4c6fChris Lattner 340e3a09e6ad09f8d1387ecaa008aaf85527909da0aArgyrios Kyrtzidis LValue EmitCXXConditionDeclLValue(const CXXConditionDeclExpr *E); 341e3a09e6ad09f8d1387ecaa008aaf85527909da0aArgyrios Kyrtzidis 3420a04d77bde7e3a661c2b41b60630d125d09ed6efDaniel Dunbar LValue EmitObjCMessageExprLValue(const ObjCMessageExpr *E); 343391d77a26382dddf25da73e29fc1fa5aaaea4c6fChris Lattner LValue EmitObjCIvarRefLValue(const ObjCIvarRefExpr *E); 34485c59edda02df48fae8dc85049743319bc6e7e89Daniel Dunbar LValue EmitObjCPropertyRefLValue(const ObjCPropertyRefExpr *E); 3450a04d77bde7e3a661c2b41b60630d125d09ed6efDaniel Dunbar 3465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer //===--------------------------------------------------------------------===// 347883f6a7cc7dccb1d675e27121a82614d63492a8dChris Lattner // Scalar Expression Emission 3485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer //===--------------------------------------------------------------------===// 3495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3507f8ea5c5b3a6a4332a841eefdd86b0726722ea7bDaniel Dunbar /// EmitCall - Generate a call of the given function, expecting the 3517f8ea5c5b3a6a4332a841eefdd86b0726722ea7bDaniel Dunbar /// given result type, and using the given argument list which 3527f8ea5c5b3a6a4332a841eefdd86b0726722ea7bDaniel Dunbar /// specifies both the LLVM arguments and the types they were 3537f8ea5c5b3a6a4332a841eefdd86b0726722ea7bDaniel Dunbar /// derived from. 35419cd87eb5fb3c197e631ce08fd52c446c4d4e8f1Daniel Dunbar RValue EmitCall(llvm::Value *Callee, 35519cd87eb5fb3c197e631ce08fd52c446c4d4e8f1Daniel Dunbar QualType ResultType, 35619cd87eb5fb3c197e631ce08fd52c446c4d4e8f1Daniel Dunbar const CallArgList &Args); 35719cd87eb5fb3c197e631ce08fd52c446c4d4e8f1Daniel Dunbar 3585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer RValue EmitCallExpr(const CallExpr *E); 3595549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek 3605549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek RValue EmitCallExpr(Expr *FnExpr, CallExpr::const_arg_iterator ArgBeg, 3615549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek CallExpr::const_arg_iterator ArgEnd); 3625549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek 3635193b8a3e57c4f696161aeddfe8227c294c0a7feEli Friedman RValue EmitCallExpr(llvm::Value *Callee, QualType FnType, 3645549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek CallExpr::const_arg_iterator ArgBeg, 3655549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek CallExpr::const_arg_iterator ArgEnd); 3665549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek 3671e4d21ea5849637c49fd4222b09c4b5dedff7765Chris Lattner RValue EmitBuiltinExpr(unsigned BuiltinID, const CallExpr *E); 3685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 369564f1de67d7ba43646b8740db86d6269e3dfbe0bAnders Carlsson llvm::Value *EmitX86BuiltinExpr(unsigned BuiltinID, const CallExpr *E); 370564f1de67d7ba43646b8740db86d6269e3dfbe0bAnders Carlsson llvm::Value *EmitPPCBuiltinExpr(unsigned BuiltinID, const CallExpr *E); 371564f1de67d7ba43646b8740db86d6269e3dfbe0bAnders Carlsson 372cc23acae84c6d5c37b4805edbcd95ee5d821c400Anders Carlsson llvm::Value *EmitShuffleVector(llvm::Value* V1, llvm::Value *V2, ...); 3734119d1aeca8016654d381ce079864058d1709571Nate Begeman llvm::Value *EmitVector(llvm::Value * const *Vals, unsigned NumVals, 3744119d1aeca8016654d381ce079864058d1709571Nate Begeman bool isSplat = false); 3756086bbd1799e22e75561c3d31dc9b923f0508fa5Anders Carlsson 376ed7c618f849e2541b1d0288c43154937652c5b15Daniel Dunbar llvm::Value *EmitObjCProtocolExpr(const ObjCProtocolExpr *E); 3777f02f721d48772e4eee4fccd8af4f800be1bbc1eChris Lattner llvm::Value *EmitObjCStringLiteral(const ObjCStringLiteral *E); 3788fdf32822be2238aa7db62d40e75b168b637ab7dChris Lattner llvm::Value *EmitObjCSelectorExpr(const ObjCSelectorExpr *E); 3798f2926b73ed635afecd020da787af6a837601a2bDaniel Dunbar RValue EmitObjCMessageExpr(const ObjCMessageExpr *E); 3809c3fc703b29a31d40bcf5027dbb4784dd393804eDaniel Dunbar RValue EmitObjCPropertyGet(const ObjCPropertyRefExpr *E); 38185c59edda02df48fae8dc85049743319bc6e7e89Daniel Dunbar void EmitObjCPropertySet(const ObjCPropertyRefExpr *E, RValue Src); 3828fdf32822be2238aa7db62d40e75b168b637ab7dChris Lattner 3838fdf32822be2238aa7db62d40e75b168b637ab7dChris Lattner 384883f6a7cc7dccb1d675e27121a82614d63492a8dChris Lattner //===--------------------------------------------------------------------===// 385bfc0c1ae4b505b52b36f572a9641f99e76879cabChris Lattner // Expression Emission 386883f6a7cc7dccb1d675e27121a82614d63492a8dChris Lattner //===--------------------------------------------------------------------===// 387bfc0c1ae4b505b52b36f572a9641f99e76879cabChris Lattner 388bfc0c1ae4b505b52b36f572a9641f99e76879cabChris Lattner // Expressions are broken into three classes: scalar, complex, aggregate. 389883f6a7cc7dccb1d675e27121a82614d63492a8dChris Lattner 3907f02f721d48772e4eee4fccd8af4f800be1bbc1eChris Lattner /// EmitScalarExpr - Emit the computation of the specified expression of 3917f02f721d48772e4eee4fccd8af4f800be1bbc1eChris Lattner /// LLVM scalar type, returning the result. 3927f02f721d48772e4eee4fccd8af4f800be1bbc1eChris Lattner llvm::Value *EmitScalarExpr(const Expr *E); 3937f02f721d48772e4eee4fccd8af4f800be1bbc1eChris Lattner 3943707b255f8993fb362904c9cff87b0e9bc6ca317Chris Lattner /// EmitScalarConversion - Emit a conversion from the specified type to the 3953707b255f8993fb362904c9cff87b0e9bc6ca317Chris Lattner /// specified destination type, both of which are LLVM scalar types. 3963707b255f8993fb362904c9cff87b0e9bc6ca317Chris Lattner llvm::Value *EmitScalarConversion(llvm::Value *Src, QualType SrcTy, 3973707b255f8993fb362904c9cff87b0e9bc6ca317Chris Lattner QualType DstTy); 3983707b255f8993fb362904c9cff87b0e9bc6ca317Chris Lattner 3994f1a7b380809b4ca19ad2daff61bc11cd1e979d8Chris Lattner /// EmitComplexToScalarConversion - Emit a conversion from the specified 4004f1a7b380809b4ca19ad2daff61bc11cd1e979d8Chris Lattner /// complex type to the specified destination type, where the destination 4014f1a7b380809b4ca19ad2daff61bc11cd1e979d8Chris Lattner /// type is an LLVM scalar type. 4024f1a7b380809b4ca19ad2daff61bc11cd1e979d8Chris Lattner llvm::Value *EmitComplexToScalarConversion(ComplexPairTy Src, QualType SrcTy, 4034f1a7b380809b4ca19ad2daff61bc11cd1e979d8Chris Lattner QualType DstTy); 4044f1a7b380809b4ca19ad2daff61bc11cd1e979d8Chris Lattner 4053707b255f8993fb362904c9cff87b0e9bc6ca317Chris Lattner 406883f6a7cc7dccb1d675e27121a82614d63492a8dChris Lattner /// EmitAggExpr - Emit the computation of the specified expression of 407883f6a7cc7dccb1d675e27121a82614d63492a8dChris Lattner /// aggregate type. The result is computed into DestPtr. Note that if 408883f6a7cc7dccb1d675e27121a82614d63492a8dChris Lattner /// DestPtr is null, the value of the aggregate expression is not needed. 409883f6a7cc7dccb1d675e27121a82614d63492a8dChris Lattner void EmitAggExpr(const Expr *E, llvm::Value *DestPtr, bool VolatileDest); 410b6ef18a2b06d6760459e1756a61f79ff496cee19Chris Lattner 411b6ef18a2b06d6760459e1756a61f79ff496cee19Chris Lattner /// EmitComplexExpr - Emit the computation of the specified expression of 41223b1cdb0b5e089468bb8475b8ec9287af67b4b59Chris Lattner /// complex type, returning the result. 41358dee10ed2eee34035f62d1c2d32b3639e9182f8Chris Lattner ComplexPairTy EmitComplexExpr(const Expr *E); 41423b1cdb0b5e089468bb8475b8ec9287af67b4b59Chris Lattner 41523b1cdb0b5e089468bb8475b8ec9287af67b4b59Chris Lattner /// EmitComplexExprIntoAddr - Emit the computation of the specified expression 41623b1cdb0b5e089468bb8475b8ec9287af67b4b59Chris Lattner /// of complex type, storing into the specified Value*. 417190dbe203c2e892ac40f1786035c6c9be3f44a4cChris Lattner void EmitComplexExprIntoAddr(const Expr *E, llvm::Value *DestAddr, 418190dbe203c2e892ac40f1786035c6c9be3f44a4cChris Lattner bool DestIsVolatile); 4197f8ea5c5b3a6a4332a841eefdd86b0726722ea7bDaniel Dunbar 4207f8ea5c5b3a6a4332a841eefdd86b0726722ea7bDaniel Dunbar /// StoreComplexToAddr - Store a complex number into the specified address. 4217f8ea5c5b3a6a4332a841eefdd86b0726722ea7bDaniel Dunbar void StoreComplexToAddr(ComplexPairTy V, llvm::Value *DestAddr, 4227f8ea5c5b3a6a4332a841eefdd86b0726722ea7bDaniel Dunbar bool DestIsVolatile); 4239b65551d0b387a7597fb39356a4d8ef10046445eChris Lattner /// LoadComplexFromAddr - Load a complex number from the specified address. 4249b65551d0b387a7597fb39356a4d8ef10046445eChris Lattner ComplexPairTy LoadComplexFromAddr(llvm::Value *SrcAddr, bool SrcIsVolatile); 4252621fd1d6d3c5eadcae246859f62738645df7540Chris Lattner 4262621fd1d6d3c5eadcae246859f62738645df7540Chris Lattner /// GenerateStaticBlockVarDecl - return the the static 4272621fd1d6d3c5eadcae246859f62738645df7540Chris Lattner /// declaration of local variable. 4282621fd1d6d3c5eadcae246859f62738645df7540Chris Lattner llvm::GlobalValue *GenerateStaticBlockVarDecl(const VarDecl &D, 4292621fd1d6d3c5eadcae246859f62738645df7540Chris Lattner bool NoInit, 4302621fd1d6d3c5eadcae246859f62738645df7540Chris Lattner const char *Separator); 4310ffb125996336fc7602b162c0a9e392f1a93060fDaniel Dunbar 432e1b29efab32d02e114046d33cca242a88585bf8aAnders Carlsson // GenerateStaticBlockVarDecl - return the static declaration of 433e1b29efab32d02e114046d33cca242a88585bf8aAnders Carlsson // a local variable. Performs initialization of the variable if necessary. 434e1b29efab32d02e114046d33cca242a88585bf8aAnders Carlsson llvm::GlobalValue *GenerateStaticCXXBlockVarDecl(const VarDecl &D); 435e1b29efab32d02e114046d33cca242a88585bf8aAnders Carlsson 4360ffb125996336fc7602b162c0a9e392f1a93060fDaniel Dunbar //===--------------------------------------------------------------------===// 4370ffb125996336fc7602b162c0a9e392f1a93060fDaniel Dunbar // Internal Helpers 4380ffb125996336fc7602b162c0a9e392f1a93060fDaniel Dunbar //===--------------------------------------------------------------------===// 4390ffb125996336fc7602b162c0a9e392f1a93060fDaniel Dunbar 4400ffb125996336fc7602b162c0a9e392f1a93060fDaniel Dunbarprivate: 4410ffb125996336fc7602b162c0a9e392f1a93060fDaniel Dunbar /// EmitIndirectSwitches - Emit code for all of the switch 4420ffb125996336fc7602b162c0a9e392f1a93060fDaniel Dunbar /// instructions in IndirectSwitches. 4430ffb125996336fc7602b162c0a9e392f1a93060fDaniel Dunbar void EmitIndirectSwitches(); 4445627377df5439a1d3d46a4e4cef4ae44f84a322bDaniel Dunbar 4455627377df5439a1d3d46a4e4cef4ae44f84a322bDaniel Dunbar /// ExpandTypeFromArgs - Reconstruct a structure of type \arg Ty 4465627377df5439a1d3d46a4e4cef4ae44f84a322bDaniel Dunbar /// from function arguments into \arg Dst. See ABIArgInfo::Expand. 4475627377df5439a1d3d46a4e4cef4ae44f84a322bDaniel Dunbar /// 4485627377df5439a1d3d46a4e4cef4ae44f84a322bDaniel Dunbar /// \param AI - The first function argument of the expansion. 4495627377df5439a1d3d46a4e4cef4ae44f84a322bDaniel Dunbar /// \return The argument following the last expanded function 4505627377df5439a1d3d46a4e4cef4ae44f84a322bDaniel Dunbar /// argument. 4515627377df5439a1d3d46a4e4cef4ae44f84a322bDaniel Dunbar llvm::Function::arg_iterator 4525627377df5439a1d3d46a4e4cef4ae44f84a322bDaniel Dunbar ExpandTypeFromArgs(QualType Ty, LValue Dst, 4535627377df5439a1d3d46a4e4cef4ae44f84a322bDaniel Dunbar llvm::Function::arg_iterator AI); 4545627377df5439a1d3d46a4e4cef4ae44f84a322bDaniel Dunbar 4555627377df5439a1d3d46a4e4cef4ae44f84a322bDaniel Dunbar /// ExpandTypeToArgs - Expand an RValue \arg Src, with the LLVM type 4565627377df5439a1d3d46a4e4cef4ae44f84a322bDaniel Dunbar /// for \arg Ty, into individual arguments on the provided vector 4575627377df5439a1d3d46a4e4cef4ae44f84a322bDaniel Dunbar /// \arg Args. See ABIArgInfo::Expand. 4585627377df5439a1d3d46a4e4cef4ae44f84a322bDaniel Dunbar void ExpandTypeToArgs(QualType Ty, RValue Src, 4595627377df5439a1d3d46a4e4cef4ae44f84a322bDaniel Dunbar llvm::SmallVector<llvm::Value*, 16> &Args); 4605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 4615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace CodeGen 4625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace clang 4635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif 465