CodeGenFunction.h revision ddf7cac45d85b73127adbbd91a2b28fc7291c57e
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" 205549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek#include "clang/AST/Expr.h" 21e3a09e6ad09f8d1387ecaa008aaf85527909da0aArgyrios Kyrtzidis#include "clang/AST/ExprCXX.h" 225549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek#include "clang/AST/ExprObjC.h" 235549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek 245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include <vector> 250ffb125996336fc7602b162c0a9e392f1a93060fDaniel Dunbar#include <map> 265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2745d196b8387dcefc4df26cda114fa34c6528e928Daniel Dunbar#include "CGBuilder.h" 280dbe227feccf6a8dbadfff8ca3f80416b7bf2f28Daniel Dunbar#include "CGCall.h" 298f2926b73ed635afecd020da787af6a837601a2bDaniel Dunbar#include "CGValue.h" 308f2926b73ed635afecd020da787af6a837601a2bDaniel Dunbar 315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace llvm { 32c4a1dea2dc56bd1357ec91b829a0b9e68229a13eDaniel Dunbar class BasicBlock; 335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class Module; 34898d508d4c9e9d45914952473e39196b20830a9fDaniel Dunbar class SwitchInst; 355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace clang { 385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class ASTContext; 395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class Decl; 40c4a1dea2dc56bd1357ec91b829a0b9e68229a13eDaniel Dunbar class EnumConstantDecl; 415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class FunctionDecl; 42c4a1dea2dc56bd1357ec91b829a0b9e68229a13eDaniel Dunbar class FunctionTypeProto; 43c4a1dea2dc56bd1357ec91b829a0b9e68229a13eDaniel Dunbar class LabelStmt; 4429e0bccf2bcce22b877f8b2ed173f564c116b97eDaniel Dunbar class ObjCInterfaceDecl; 4529e0bccf2bcce22b877f8b2ed173f564c116b97eDaniel Dunbar class ObjCIvarDecl; 46391d77a26382dddf25da73e29fc1fa5aaaea4c6fChris Lattner class ObjCMethodDecl; 47af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar class ObjCPropertyImplDecl; 485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class TargetInfo; 49c4a1dea2dc56bd1357ec91b829a0b9e68229a13eDaniel Dunbar class VarDecl; 505549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek 515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace CodeGen { 525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class CodeGenModule; 53b84a06e68ffd71da22e3c75b6e4bbdba37816413Devang Patel class CodeGenTypes; 5488a981b47c7face1b1fdaa9074256245107b9ca9Devang Patel class CGRecordLayout; 5545d196b8387dcefc4df26cda114fa34c6528e928Daniel Dunbar 565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// CodeGenFunction - This class organizes the per-function state that is used 575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// while generating LLVM code. 585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass CodeGenFunction { 59bfc0c1ae4b505b52b36f572a9641f99e76879cabChris Lattnerpublic: 605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer CodeGenModule &CGM; // Per-module state. 615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer TargetInfo &Target; 62bfc0c1ae4b505b52b36f572a9641f99e76879cabChris Lattner 6358dee10ed2eee34035f62d1c2d32b3639e9182f8Chris Lattner typedef std::pair<llvm::Value *, llvm::Value *> ComplexPairTy; 6445d196b8387dcefc4df26cda114fa34c6528e928Daniel Dunbar CGBuilderTy Builder; 655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 66c8aa5f1f264fb230c38182adab944232bb160c2bChris Lattner // Holds the Decl for the current function or method 674111024be81e7c0525e42dadcc126d27e5bf2425Chris Lattner const Decl *CurFuncDecl; 68391d77a26382dddf25da73e29fc1fa5aaaea4c6fChris Lattner QualType FnRetTy; 695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::Function *CurFn; 705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 715ca2084cf9b529563209429857f01fdae9dcdfa5Daniel Dunbar /// ReturnBlock - Unified return block. 725ca2084cf9b529563209429857f01fdae9dcdfa5Daniel Dunbar llvm::BasicBlock *ReturnBlock; 735ca2084cf9b529563209429857f01fdae9dcdfa5Daniel Dunbar /// ReturnValue - The temporary alloca to hold the return value. This 745ca2084cf9b529563209429857f01fdae9dcdfa5Daniel Dunbar /// is null iff the function has no return value. 755ca2084cf9b529563209429857f01fdae9dcdfa5Daniel Dunbar llvm::Instruction *ReturnValue; 765ca2084cf9b529563209429857f01fdae9dcdfa5Daniel Dunbar 775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// AllocaInsertPoint - This is an instruction in the entry block before which 785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// we prefer to insert allocas. 795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::Instruction *AllocaInsertPt; 800ffb125996336fc7602b162c0a9e392f1a93060fDaniel Dunbar 815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const llvm::Type *LLVMIntTy; 827b66000bdfc2684351fb03208e672f23012ed569Hartmut Kaiser uint32_t LLVMPointerWidth; 8318ccc7776ad6288c5f630dc7967fb99d099c9cd9Daniel Dunbar 8418ccc7776ad6288c5f630dc7967fb99d099c9cd9Daniel Dunbarpublic: 8518ccc7776ad6288c5f630dc7967fb99d099c9cd9Daniel Dunbar // FIXME: The following should be private once EH code is moved out 8618ccc7776ad6288c5f630dc7967fb99d099c9cd9Daniel Dunbar // of NeXT runtime. 8718ccc7776ad6288c5f630dc7967fb99d099c9cd9Daniel Dunbar 8818ccc7776ad6288c5f630dc7967fb99d099c9cd9Daniel Dunbar // ObjCEHStack - This keeps track of which object to rethrow from 8918ccc7776ad6288c5f630dc7967fb99d099c9cd9Daniel Dunbar // inside @catch blocks and which @finally block exits from an EH 9018ccc7776ad6288c5f630dc7967fb99d099c9cd9Daniel Dunbar // scope should be chained through. 9118ccc7776ad6288c5f630dc7967fb99d099c9cd9Daniel Dunbar struct ObjCEHEntry { 92898d508d4c9e9d45914952473e39196b20830a9fDaniel Dunbar ObjCEHEntry(llvm::BasicBlock *fb, llvm::BasicBlock *fne, 93898d508d4c9e9d45914952473e39196b20830a9fDaniel Dunbar llvm::SwitchInst *fs, llvm::Value *dc) 94898d508d4c9e9d45914952473e39196b20830a9fDaniel Dunbar : FinallyBlock(fb), FinallyNoExit(fne), FinallySwitch(fs), 95898d508d4c9e9d45914952473e39196b20830a9fDaniel Dunbar DestCode(dc), Exception(0) {} 9618ccc7776ad6288c5f630dc7967fb99d099c9cd9Daniel Dunbar 97898d508d4c9e9d45914952473e39196b20830a9fDaniel Dunbar /// Entry point to the finally block. 98898d508d4c9e9d45914952473e39196b20830a9fDaniel Dunbar llvm::BasicBlock *FinallyBlock; 99898d508d4c9e9d45914952473e39196b20830a9fDaniel Dunbar 100898d508d4c9e9d45914952473e39196b20830a9fDaniel Dunbar /// Entry point to the finally block which skips execution of the 101898d508d4c9e9d45914952473e39196b20830a9fDaniel Dunbar /// try_exit runtime function. 102898d508d4c9e9d45914952473e39196b20830a9fDaniel Dunbar llvm::BasicBlock *FinallyNoExit; 103898d508d4c9e9d45914952473e39196b20830a9fDaniel Dunbar 104898d508d4c9e9d45914952473e39196b20830a9fDaniel Dunbar /// Switch instruction which runs at the end of the finally block 105898d508d4c9e9d45914952473e39196b20830a9fDaniel Dunbar /// to forward jumps through the finally block. 106898d508d4c9e9d45914952473e39196b20830a9fDaniel Dunbar llvm::SwitchInst *FinallySwitch; 107898d508d4c9e9d45914952473e39196b20830a9fDaniel Dunbar 108898d508d4c9e9d45914952473e39196b20830a9fDaniel Dunbar /// Variable holding the code for the destination of a jump 109898d508d4c9e9d45914952473e39196b20830a9fDaniel Dunbar /// through the @finally block. 110898d508d4c9e9d45914952473e39196b20830a9fDaniel Dunbar llvm::Value *DestCode; 111898d508d4c9e9d45914952473e39196b20830a9fDaniel Dunbar 112898d508d4c9e9d45914952473e39196b20830a9fDaniel Dunbar /// The exception object being handled, during IR generation for a 113898d508d4c9e9d45914952473e39196b20830a9fDaniel Dunbar /// @catch block. 114898d508d4c9e9d45914952473e39196b20830a9fDaniel Dunbar llvm::Value *Exception; 11518ccc7776ad6288c5f630dc7967fb99d099c9cd9Daniel Dunbar }; 116898d508d4c9e9d45914952473e39196b20830a9fDaniel Dunbar 117898d508d4c9e9d45914952473e39196b20830a9fDaniel Dunbar typedef llvm::SmallVector<ObjCEHEntry*, 8> ObjCEHStackType; 118898d508d4c9e9d45914952473e39196b20830a9fDaniel Dunbar ObjCEHStackType ObjCEHStack; 119898d508d4c9e9d45914952473e39196b20830a9fDaniel Dunbar 120898d508d4c9e9d45914952473e39196b20830a9fDaniel Dunbar /// EmitJumpThroughFinally - Emit a branch from the current insert 121898d508d4c9e9d45914952473e39196b20830a9fDaniel Dunbar /// point through the finally handling code for \arg Entry and then 122898d508d4c9e9d45914952473e39196b20830a9fDaniel Dunbar /// on to \arg Dest. 123898d508d4c9e9d45914952473e39196b20830a9fDaniel Dunbar /// 124898d508d4c9e9d45914952473e39196b20830a9fDaniel Dunbar /// \param ExecuteTryExit - When true, the try_exit runtime function 125898d508d4c9e9d45914952473e39196b20830a9fDaniel Dunbar /// should be called prior to executing the finally code. 126898d508d4c9e9d45914952473e39196b20830a9fDaniel Dunbar void EmitJumpThroughFinally(ObjCEHEntry *Entry, llvm::BasicBlock *Dest, 127898d508d4c9e9d45914952473e39196b20830a9fDaniel Dunbar bool ExecuteTryExit=true); 1285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1297f02f721d48772e4eee4fccd8af4f800be1bbc1eChris Lattnerprivate: 1300ffb125996336fc7602b162c0a9e392f1a93060fDaniel Dunbar /// LabelIDs - Track arbitrary ids assigned to labels for use in 1310ffb125996336fc7602b162c0a9e392f1a93060fDaniel Dunbar /// implementing the GCC address-of-label extension and indirect 1320ffb125996336fc7602b162c0a9e392f1a93060fDaniel Dunbar /// goto. IDs are assigned to labels inside getIDForAddrOfLabel(). 1330ffb125996336fc7602b162c0a9e392f1a93060fDaniel Dunbar std::map<const LabelStmt*, unsigned> LabelIDs; 1340ffb125996336fc7602b162c0a9e392f1a93060fDaniel Dunbar 1350ffb125996336fc7602b162c0a9e392f1a93060fDaniel Dunbar /// IndirectSwitches - Record the list of switches for indirect 1360ffb125996336fc7602b162c0a9e392f1a93060fDaniel Dunbar /// gotos. Emission of the actual switching code needs to be delayed 1370ffb125996336fc7602b162c0a9e392f1a93060fDaniel Dunbar /// until all AddrLabelExprs have been seen. 1380ffb125996336fc7602b162c0a9e392f1a93060fDaniel Dunbar std::vector<llvm::SwitchInst*> IndirectSwitches; 1390ffb125996336fc7602b162c0a9e392f1a93060fDaniel Dunbar 1405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// LocalDeclMap - This keeps track of the LLVM allocas or globals for local C 1415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// decls. 1425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::DenseMap<const Decl*, llvm::Value*> LocalDeclMap; 1435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// LabelMap - This keeps track of the LLVM basic block for each C label. 1455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::DenseMap<const LabelStmt*, llvm::BasicBlock*> LabelMap; 146da13870e99fe33934b2122f06528a5063f78ae4cChris Lattner 147da13870e99fe33934b2122f06528a5063f78ae4cChris Lattner // BreakContinueStack - This keeps track of where break and continue 148da13870e99fe33934b2122f06528a5063f78ae4cChris Lattner // statements should jump to. 149da13870e99fe33934b2122f06528a5063f78ae4cChris Lattner struct BreakContinue { 150da13870e99fe33934b2122f06528a5063f78ae4cChris Lattner BreakContinue(llvm::BasicBlock *bb, llvm::BasicBlock *cb) 151da13870e99fe33934b2122f06528a5063f78ae4cChris Lattner : BreakBlock(bb), ContinueBlock(cb) {} 152da13870e99fe33934b2122f06528a5063f78ae4cChris Lattner 153da13870e99fe33934b2122f06528a5063f78ae4cChris Lattner llvm::BasicBlock *BreakBlock; 154da13870e99fe33934b2122f06528a5063f78ae4cChris Lattner llvm::BasicBlock *ContinueBlock; 155da13870e99fe33934b2122f06528a5063f78ae4cChris Lattner }; 156da13870e99fe33934b2122f06528a5063f78ae4cChris Lattner llvm::SmallVector<BreakContinue, 8> BreakContinueStack; 15718ccc7776ad6288c5f630dc7967fb99d099c9cd9Daniel Dunbar 15880fd5f96e6805ac43aab99faabd5b4c8b19551b7Devang Patel /// SwitchInsn - This is nearest current switch instruction. It is null if 15980fd5f96e6805ac43aab99faabd5b4c8b19551b7Devang Patel /// if current context is not in a switch. 16051b09f2c528c8460b5465c676173324e44176d62Devang Patel llvm::SwitchInst *SwitchInsn; 16151b09f2c528c8460b5465c676173324e44176d62Devang Patel 16280fd5f96e6805ac43aab99faabd5b4c8b19551b7Devang Patel /// CaseRangeBlock - This block holds if condition check for last case 16380fd5f96e6805ac43aab99faabd5b4c8b19551b7Devang Patel /// statement range in current switch instruction. 164c049e4f406a7f7179eba98659044a32508e53289Devang Patel llvm::BasicBlock *CaseRangeBlock; 165c049e4f406a7f7179eba98659044a32508e53289Devang Patel 1665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer CodeGenFunction(CodeGenModule &cgm); 1685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ASTContext &getContext() const; 1705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 171391d77a26382dddf25da73e29fc1fa5aaaea4c6fChris Lattner void GenerateObjCMethod(const ObjCMethodDecl *OMD); 172af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar 173af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar void StartObjCMethod(const ObjCMethodDecl *MD); 174af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar 175af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar /// GenerateObjCGetter - Synthesize an Objective-C property getter 176af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar /// function. 177af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar void GenerateObjCGetter(const ObjCPropertyImplDecl *PID); 178af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar 179af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar /// GenerateObjCSetter - Synthesize an Objective-C property setter 180af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar /// function for the given property. 181af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar void GenerateObjCSetter(const ObjCPropertyImplDecl *PID); 182af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar 183bd012ff1fa088181646a784f385b28867372d434Daniel Dunbar void GenerateCode(const FunctionDecl *FD, 184bd012ff1fa088181646a784f385b28867372d434Daniel Dunbar llvm::Function *Fn); 1857c086516f3cc9fba2733b1919973206c6ba4b171Daniel Dunbar void StartFunction(const Decl *D, QualType RetTy, 1867c086516f3cc9fba2733b1919973206c6ba4b171Daniel Dunbar llvm::Function *Fn, 1872284ac9ec80299fcdefae9a2787cf85105a0f203Daniel Dunbar const FunctionArgList &Args, 1882284ac9ec80299fcdefae9a2787cf85105a0f203Daniel Dunbar SourceLocation StartLoc); 189af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar void FinishFunction(SourceLocation EndLoc=SourceLocation()); 19017b708d61827cd86278e9580b041dd6cbadf07d3Daniel Dunbar 19117b708d61827cd86278e9580b041dd6cbadf07d3Daniel Dunbar /// EmitFunctionProlog - Emit the target specific LLVM code to load 19217b708d61827cd86278e9580b041dd6cbadf07d3Daniel Dunbar /// the arguments for the given function. This is also responsible 19317b708d61827cd86278e9580b041dd6cbadf07d3Daniel Dunbar /// for naming the LLVM function arguments. 19417b708d61827cd86278e9580b041dd6cbadf07d3Daniel Dunbar void EmitFunctionProlog(llvm::Function *Fn, QualType RetTy, 19517b708d61827cd86278e9580b041dd6cbadf07d3Daniel Dunbar const FunctionArgList &Args); 19617b708d61827cd86278e9580b041dd6cbadf07d3Daniel Dunbar 19717b708d61827cd86278e9580b041dd6cbadf07d3Daniel Dunbar /// EmitFunctionEpilog - Emit the target specific LLVM code to 19817b708d61827cd86278e9580b041dd6cbadf07d3Daniel Dunbar /// return the given temporary. 19917b708d61827cd86278e9580b041dd6cbadf07d3Daniel Dunbar void EmitFunctionEpilog(QualType RetTy, 20017b708d61827cd86278e9580b041dd6cbadf07d3Daniel Dunbar llvm::Value *ReturnValue); 20117b708d61827cd86278e9580b041dd6cbadf07d3Daniel Dunbar 2025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const llvm::Type *ConvertType(QualType T); 203c8aa5f1f264fb230c38182adab944232bb160c2bChris Lattner 204b7ec246872b412f0e7bb9e93eacfd78cfa6adfb3Daniel Dunbar /// LoadObjCSelf - Load the value of self. This function is only 205b7ec246872b412f0e7bb9e93eacfd78cfa6adfb3Daniel Dunbar /// valid while generating code for an Objective-C method. 206c8aa5f1f264fb230c38182adab944232bb160c2bChris Lattner llvm::Value *LoadObjCSelf(); 2074111024be81e7c0525e42dadcc126d27e5bf2425Chris Lattner 2084111024be81e7c0525e42dadcc126d27e5bf2425Chris Lattner /// isObjCPointerType - Return true if the specificed AST type will map onto 2094111024be81e7c0525e42dadcc126d27e5bf2425Chris Lattner /// some Objective-C pointer type. 2104111024be81e7c0525e42dadcc126d27e5bf2425Chris Lattner static bool isObjCPointerType(QualType T); 2114111024be81e7c0525e42dadcc126d27e5bf2425Chris Lattner 2125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// hasAggregateLLVMType - Return true if the specified AST type will map into 2135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// an aggregate LLVM type or is void. 2145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool hasAggregateLLVMType(QualType T); 2155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getBasicBlockForLabel - Return the LLVM basicblock that the specified 2175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// label maps to. 2185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::BasicBlock *getBasicBlockForLabel(const LabelStmt *S); 2195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void EmitBlock(llvm::BasicBlock *BB); 222dc5e8268292046114ffe02e48773572a91a310f1Chris Lattner 223488e993a135ce700b982bf099c3d6b856301d642Daniel Dunbar /// ErrorUnsupported - Print out an error that codegen doesn't support the 224dc5e8268292046114ffe02e48773572a91a310f1Chris Lattner /// specified stmt yet. 22590df4b6661968a84bf64baee489bb2f6d948fcc1Daniel Dunbar void ErrorUnsupported(const Stmt *S, const char *Type, 22690df4b6661968a84bf64baee489bb2f6d948fcc1Daniel Dunbar bool OmitOnError=false); 2275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer //===--------------------------------------------------------------------===// 2295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Helpers 2305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer //===--------------------------------------------------------------------===// 2315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// CreateTempAlloca - This creates a alloca and inserts it into the entry 2335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// block. 2345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::AllocaInst *CreateTempAlloca(const llvm::Type *Ty, 2355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer const char *Name = "tmp"); 2365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// EvaluateExprAsBool - Perform the usual unary conversions on the specified 2385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// expression and compare the result against zero, returning an Int1Ty value. 2395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::Value *EvaluateExprAsBool(const Expr *E); 2405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2419b65551d0b387a7597fb39356a4d8ef10046445eChris Lattner /// EmitAnyExpr - Emit code to compute the specified expression which can have 2429b65551d0b387a7597fb39356a4d8ef10046445eChris Lattner /// any type. The result is returned as an RValue struct. If this is an 2439b65551d0b387a7597fb39356a4d8ef10046445eChris Lattner /// aggregate expression, the aggloc/agglocvolatile arguments indicate where 2449b65551d0b387a7597fb39356a4d8ef10046445eChris Lattner /// the result should be returned. 2459b65551d0b387a7597fb39356a4d8ef10046445eChris Lattner RValue EmitAnyExpr(const Expr *E, llvm::Value *AggLoc = 0, 2469b65551d0b387a7597fb39356a4d8ef10046445eChris Lattner bool isAggLocVolatile = false); 247d9363c3a80168283b3da518b4e17f545a6246857Devang Patel 24846f45b9bec4a265ad8400a538e5ec3a5683617f1Daniel Dunbar /// EmitAnyExprToTemp - Similary to EmitAnyExpr(), however, the result 24946f45b9bec4a265ad8400a538e5ec3a5683617f1Daniel Dunbar /// will always be accessible even if no aggregate location is 25046f45b9bec4a265ad8400a538e5ec3a5683617f1Daniel Dunbar /// provided. 25146f45b9bec4a265ad8400a538e5ec3a5683617f1Daniel Dunbar RValue EmitAnyExprToTemp(const Expr *E, llvm::Value *AggLoc = 0, 25246f45b9bec4a265ad8400a538e5ec3a5683617f1Daniel Dunbar bool isAggLocVolatile = false); 25346f45b9bec4a265ad8400a538e5ec3a5683617f1Daniel Dunbar 2547482d12c345c6391f8956850545e2d4aa7701ce6Daniel Dunbar void EmitAggregateCopy(llvm::Value *DestPtr, llvm::Value *SrcPtr, 2557482d12c345c6391f8956850545e2d4aa7701ce6Daniel Dunbar QualType EltTy); 2567482d12c345c6391f8956850545e2d4aa7701ce6Daniel Dunbar 2577482d12c345c6391f8956850545e2d4aa7701ce6Daniel Dunbar void EmitAggregateClear(llvm::Value *DestPtr, QualType Ty); 2587482d12c345c6391f8956850545e2d4aa7701ce6Daniel Dunbar 259d9363c3a80168283b3da518b4e17f545a6246857Devang Patel /// isDummyBlock - Return true if BB is an empty basic block 260d9363c3a80168283b3da518b4e17f545a6246857Devang Patel /// with no predecessors. 261d9363c3a80168283b3da518b4e17f545a6246857Devang Patel static bool isDummyBlock(const llvm::BasicBlock *BB); 262d9363c3a80168283b3da518b4e17f545a6246857Devang Patel 26351b09f2c528c8460b5465c676173324e44176d62Devang Patel /// StartBlock - Start new block named N. If insert block is a dummy block 26451b09f2c528c8460b5465c676173324e44176d62Devang Patel /// then reuse it. 26551b09f2c528c8460b5465c676173324e44176d62Devang Patel void StartBlock(const char *N); 26651b09f2c528c8460b5465c676173324e44176d62Devang Patel 26788a981b47c7face1b1fdaa9074256245107b9ca9Devang Patel /// getCGRecordLayout - Return record layout info. 26888a981b47c7face1b1fdaa9074256245107b9ca9Devang Patel const CGRecordLayout *getCGRecordLayout(CodeGenTypes &CGT, QualType RTy); 269813733577d33ec56479667b49e1bff42dc6bba90Lauro Ramos Venancio 270813733577d33ec56479667b49e1bff42dc6bba90Lauro Ramos Venancio /// GetAddrOfStaticLocalVar - Return the address of a static local variable. 271248a753f6b670692523c99afaeb8fe98f7ae3ca7Steve Naroff llvm::Constant *GetAddrOfStaticLocalVar(const VarDecl *BVD); 2724f8d123e3e2c260de3377208106ddba87cee28b4Dan Gohman 273dde0a94120915fa925d1ffcdb997c7b44dc9fa21Anders Carlsson /// GetAddrOfLocalVar - Return the address of a local variable. 274dde0a94120915fa925d1ffcdb997c7b44dc9fa21Anders Carlsson llvm::Value *GetAddrOfLocalVar(const VarDecl *VD); 275dde0a94120915fa925d1ffcdb997c7b44dc9fa21Anders Carlsson 2764f8d123e3e2c260de3377208106ddba87cee28b4Dan Gohman /// getAccessedFieldNo - Given an encoded value and a result number, return 2774f8d123e3e2c260de3377208106ddba87cee28b4Dan Gohman /// the input field number being accessed. 2784f8d123e3e2c260de3377208106ddba87cee28b4Dan Gohman static unsigned getAccessedFieldNo(unsigned Idx, const llvm::Constant *Elts); 2794f8d123e3e2c260de3377208106ddba87cee28b4Dan Gohman 2800ffb125996336fc7602b162c0a9e392f1a93060fDaniel Dunbar unsigned GetIDForAddrOfLabel(const LabelStmt *L); 2810ffb125996336fc7602b162c0a9e392f1a93060fDaniel Dunbar 2823d8400d9a61aa4b63ff35e5cede405b32a41425eAnders Carlsson /// EmitMemSetToZero - Generate code to memset a value of the given type to 0; 2833d8400d9a61aa4b63ff35e5cede405b32a41425eAnders Carlsson void EmitMemSetToZero(llvm::Value *DestPtr, QualType Ty); 284ddf7cac45d85b73127adbbd91a2b28fc7291c57eAnders Carlsson 285ddf7cac45d85b73127adbbd91a2b28fc7291c57eAnders Carlsson // EmitVAArg - Generate code to get an argument from the passed in pointer 286ddf7cac45d85b73127adbbd91a2b28fc7291c57eAnders Carlsson // and update it accordingly. The return value is a pointer to the argument. 287ddf7cac45d85b73127adbbd91a2b28fc7291c57eAnders Carlsson // FIXME: We should be able to get rid of this method and use the va_arg 288ddf7cac45d85b73127adbbd91a2b28fc7291c57eAnders Carlsson // instruction in LLVM instead once it works well enough. 289ddf7cac45d85b73127adbbd91a2b28fc7291c57eAnders Carlsson llvm::Value *EmitVAArg(llvm::Value *VAListAddr, QualType Ty); 2903d8400d9a61aa4b63ff35e5cede405b32a41425eAnders Carlsson 2915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer //===--------------------------------------------------------------------===// 2925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Declaration Emission 2935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer //===--------------------------------------------------------------------===// 2945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void EmitDecl(const Decl &D); 296248a753f6b670692523c99afaeb8fe98f7ae3ca7Steve Naroff void EmitBlockVarDecl(const VarDecl &D); 297248a753f6b670692523c99afaeb8fe98f7ae3ca7Steve Naroff void EmitLocalBlockVarDecl(const VarDecl &D); 298248a753f6b670692523c99afaeb8fe98f7ae3ca7Steve Naroff void EmitStaticBlockVarDecl(const VarDecl &D); 299b7ec246872b412f0e7bb9e93eacfd78cfa6adfb3Daniel Dunbar 300b7ec246872b412f0e7bb9e93eacfd78cfa6adfb3Daniel Dunbar /// EmitParmDecl - Emit a ParmVarDecl or an ImplicitParamDecl. 301b7ec246872b412f0e7bb9e93eacfd78cfa6adfb3Daniel Dunbar void EmitParmDecl(const VarDecl &D, llvm::Value *Arg); 3025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer //===--------------------------------------------------------------------===// 3045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Statement Emission 3055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer //===--------------------------------------------------------------------===// 3065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void EmitStmt(const Stmt *S); 3089b65551d0b387a7597fb39356a4d8ef10046445eChris Lattner RValue EmitCompoundStmt(const CompoundStmt &S, bool GetLast = false, 3099b65551d0b387a7597fb39356a4d8ef10046445eChris Lattner llvm::Value *AggLoc = 0, bool isAggVol = false); 31091d723da7b68be5245c3ac58aa2a36d04658cfb8Chris Lattner void EmitLabel(const LabelStmt &S); // helper for EmitLabelStmt. 3115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void EmitLabelStmt(const LabelStmt &S); 3125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void EmitGotoStmt(const GotoStmt &S); 3130ffb125996336fc7602b162c0a9e392f1a93060fDaniel Dunbar void EmitIndirectGotoStmt(const IndirectGotoStmt &S); 3145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void EmitIfStmt(const IfStmt &S); 3155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void EmitWhileStmt(const WhileStmt &S); 3165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void EmitDoStmt(const DoStmt &S); 3175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void EmitForStmt(const ForStmt &S); 3185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void EmitReturnStmt(const ReturnStmt &S); 3195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void EmitDeclStmt(const DeclStmt &S); 320da13870e99fe33934b2122f06528a5063f78ae4cChris Lattner void EmitBreakStmt(); 321da13870e99fe33934b2122f06528a5063f78ae4cChris Lattner void EmitContinueStmt(); 32251b09f2c528c8460b5465c676173324e44176d62Devang Patel void EmitSwitchStmt(const SwitchStmt &S); 32351b09f2c528c8460b5465c676173324e44176d62Devang Patel void EmitDefaultStmt(const DefaultStmt &S); 32451b09f2c528c8460b5465c676173324e44176d62Devang Patel void EmitCaseStmt(const CaseStmt &S); 325c049e4f406a7f7179eba98659044a32508e53289Devang Patel void EmitCaseStmtRange(const CaseStmt &S); 326fb1aeb804c08d5288a923fb278161783e6abdc66Anders Carlsson void EmitAsmStmt(const AsmStmt &S); 327fb1aeb804c08d5288a923fb278161783e6abdc66Anders Carlsson 3283d8400d9a61aa4b63ff35e5cede405b32a41425eAnders Carlsson void EmitObjCForCollectionStmt(const ObjCForCollectionStmt &S); 32964d5d6c5903157c521af496479d06dc26032d718Anders Carlsson void EmitObjCAtTryStmt(const ObjCAtTryStmt &S); 33064d5d6c5903157c521af496479d06dc26032d718Anders Carlsson void EmitObjCAtThrowStmt(const ObjCAtThrowStmt &S); 3313d8400d9a61aa4b63ff35e5cede405b32a41425eAnders Carlsson 3325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer //===--------------------------------------------------------------------===// 3335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // LValue Expression Emission 3345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer //===--------------------------------------------------------------------===// 3355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3366ba82a4a4b295e54cf192c3e98b28f39990c6194Daniel Dunbar /// EmitUnsupportedLValue - Emit a dummy l-value using the type of E 3376ba82a4a4b295e54cf192c3e98b28f39990c6194Daniel Dunbar /// and issue an ErrorUnsupported style diagnostic (using the 3386ba82a4a4b295e54cf192c3e98b28f39990c6194Daniel Dunbar /// provided Name). 3396ba82a4a4b295e54cf192c3e98b28f39990c6194Daniel Dunbar LValue EmitUnsupportedLValue(const Expr *E, 3406ba82a4a4b295e54cf192c3e98b28f39990c6194Daniel Dunbar const char *Name); 3416ba82a4a4b295e54cf192c3e98b28f39990c6194Daniel Dunbar 3425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// EmitLValue - Emit code to compute a designator that specifies the location 3435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// of the expression. 3445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// 3455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// This can return one of two things: a simple address or a bitfield 3465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// reference. In either case, the LLVM Value* in the LValue structure is 3475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// guaranteed to be an LLVM pointer type. 3485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// 3495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// If this returns a bitfield reference, nothing about the pointee type of 3505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// the LLVM value is known: For example, it may not be a pointer to an 3515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// integer. 3525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// 3535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// If this returns a normal address, and if the lvalue's C type is fixed 3545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// size, this method guarantees that the returned pointer type will point to 3555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// an LLVM type of the same size of the lvalue's type. If the lvalue has a 3565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// variable length type, this is not possible. 3575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// 3585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LValue EmitLValue(const Expr *E); 3595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// EmitLoadOfLValue - Given an expression that represents a value lvalue, 3615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// this method emits the address of the lvalue, then loads the result as an 3625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// rvalue, returning the rvalue. 3635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer RValue EmitLoadOfLValue(LValue V, QualType LVType); 364213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman RValue EmitLoadOfExtVectorElementLValue(LValue V, QualType LVType); 3653b8c22d93da1432b2d4cea779d14912645c93866Lauro Ramos Venancio RValue EmitLoadOfBitfieldLValue(LValue LV, QualType ExprType); 36685c59edda02df48fae8dc85049743319bc6e7e89Daniel Dunbar RValue EmitLoadOfPropertyRefLValue(LValue LV, QualType ExprType); 3675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 36834cdc86af5b0a54084a512a1b2643365b8f5bdd2Chris Lattner 3695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// EmitStoreThroughLValue - Store the specified rvalue into the specified 3705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// lvalue, where both are guaranteed to the have the same type, and that type 3715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// is 'Ty'. 3725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void EmitStoreThroughLValue(RValue Src, LValue Dst, QualType Ty); 373213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman void EmitStoreThroughExtVectorComponentLValue(RValue Src, LValue Dst, 374213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman QualType Ty); 375a0c5d0eacede0f67ce46707263ddf4d8de0df706Lauro Ramos Venancio void EmitStoreThroughBitfieldLValue(RValue Src, LValue Dst, QualType Ty); 37685c59edda02df48fae8dc85049743319bc6e7e89Daniel Dunbar void EmitStoreThroughPropertyRefLValue(RValue Src, LValue Dst, QualType Ty); 37722c940ee588a420cd2e6c8f68be2ac3cc80061ffChristopher Lamb 37822c940ee588a420cd2e6c8f68be2ac3cc80061ffChristopher Lamb // Note: only availabe for agg return types 37980e62c29fe21cd06c93eba6e72b7e32dca06fcf9Daniel Dunbar LValue EmitBinaryOperatorLValue(const BinaryOperator *E); 38080e62c29fe21cd06c93eba6e72b7e32dca06fcf9Daniel Dunbar // Note: only availabe for agg return types 38122c940ee588a420cd2e6c8f68be2ac3cc80061ffChristopher Lamb LValue EmitCallExprLValue(const CallExpr *E); 3825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LValue EmitDeclRefLValue(const DeclRefExpr *E); 3845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LValue EmitStringLiteralLValue(const StringLiteral *E); 385662b71ee82339c67f2c3689196e716c6560cf925Daniel Dunbar LValue EmitPredefinedFunctionName(unsigned Type); 386d9f6910f4ef37c0e8eeee2a01287d9572c3176efChris Lattner LValue EmitPredefinedLValue(const PredefinedExpr *E); 3875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LValue EmitUnaryOpLValue(const UnaryOperator *E); 3885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LValue EmitArraySubscriptExpr(const ArraySubscriptExpr *E); 389213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman LValue EmitExtVectorElementExpr(const ExtVectorElementExpr *E); 390b84a06e68ffd71da22e3c75b6e4bbdba37816413Devang Patel LValue EmitMemberExpr(const MemberExpr *E); 39106e863f2902b8ba55b056308875c19f7ba3dab25Eli Friedman LValue EmitCompoundLiteralLValue(const CompoundLiteralExpr *E); 392472778eb4fce241721c563280886e98389bc7219Eli Friedman 39329e0bccf2bcce22b877f8b2ed173f564c116b97eDaniel Dunbar llvm::Value *EmitIvarOffset(ObjCInterfaceDecl *Interface, 39429e0bccf2bcce22b877f8b2ed173f564c116b97eDaniel Dunbar const ObjCIvarDecl *Ivar); 395472778eb4fce241721c563280886e98389bc7219Eli Friedman LValue EmitLValueForField(llvm::Value* Base, FieldDecl* Field, 3961e692ace08959399794363e77499b73da5494af9Eli Friedman bool isUnion, unsigned CVRQualifiers); 39729e0bccf2bcce22b877f8b2ed173f564c116b97eDaniel Dunbar LValue EmitLValueForIvar(llvm::Value* Base, const ObjCIvarDecl *Ivar, 39829e0bccf2bcce22b877f8b2ed173f564c116b97eDaniel Dunbar unsigned CVRQualifiers); 39929e0bccf2bcce22b877f8b2ed173f564c116b97eDaniel Dunbar 400e3a09e6ad09f8d1387ecaa008aaf85527909da0aArgyrios Kyrtzidis LValue EmitCXXConditionDeclLValue(const CXXConditionDeclExpr *E); 401e3a09e6ad09f8d1387ecaa008aaf85527909da0aArgyrios Kyrtzidis 4020a04d77bde7e3a661c2b41b60630d125d09ed6efDaniel Dunbar LValue EmitObjCMessageExprLValue(const ObjCMessageExpr *E); 403391d77a26382dddf25da73e29fc1fa5aaaea4c6fChris Lattner LValue EmitObjCIvarRefLValue(const ObjCIvarRefExpr *E); 40485c59edda02df48fae8dc85049743319bc6e7e89Daniel Dunbar LValue EmitObjCPropertyRefLValue(const ObjCPropertyRefExpr *E); 4050a04d77bde7e3a661c2b41b60630d125d09ed6efDaniel Dunbar 4065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer //===--------------------------------------------------------------------===// 407883f6a7cc7dccb1d675e27121a82614d63492a8dChris Lattner // Scalar Expression Emission 4085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer //===--------------------------------------------------------------------===// 4095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4107f8ea5c5b3a6a4332a841eefdd86b0726722ea7bDaniel Dunbar /// EmitCall - Generate a call of the given function, expecting the 4117f8ea5c5b3a6a4332a841eefdd86b0726722ea7bDaniel Dunbar /// given result type, and using the given argument list which 4127f8ea5c5b3a6a4332a841eefdd86b0726722ea7bDaniel Dunbar /// specifies both the LLVM arguments and the types they were 4137f8ea5c5b3a6a4332a841eefdd86b0726722ea7bDaniel Dunbar /// derived from. 41419cd87eb5fb3c197e631ce08fd52c446c4d4e8f1Daniel Dunbar RValue EmitCall(llvm::Value *Callee, 41519cd87eb5fb3c197e631ce08fd52c446c4d4e8f1Daniel Dunbar QualType ResultType, 41619cd87eb5fb3c197e631ce08fd52c446c4d4e8f1Daniel Dunbar const CallArgList &Args); 41719cd87eb5fb3c197e631ce08fd52c446c4d4e8f1Daniel Dunbar 4185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer RValue EmitCallExpr(const CallExpr *E); 4195549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek 4205549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek RValue EmitCallExpr(Expr *FnExpr, CallExpr::const_arg_iterator ArgBeg, 4215549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek CallExpr::const_arg_iterator ArgEnd); 4225549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek 4235193b8a3e57c4f696161aeddfe8227c294c0a7feEli Friedman RValue EmitCallExpr(llvm::Value *Callee, QualType FnType, 4245549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek CallExpr::const_arg_iterator ArgBeg, 4255549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek CallExpr::const_arg_iterator ArgEnd); 4265549976193e34417d4474a5f4a514268ef6666c7Ted Kremenek 4271e4d21ea5849637c49fd4222b09c4b5dedff7765Chris Lattner RValue EmitBuiltinExpr(unsigned BuiltinID, const CallExpr *E); 4285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 429f02e9ddf5efc75917af712b3c7f909581205f0a5Daniel Dunbar /// EmitTargetBuiltinExpr - Emit the given builtin call. Returns 0 430f02e9ddf5efc75917af712b3c7f909581205f0a5Daniel Dunbar /// if the call is unhandled by the current target. 431f02e9ddf5efc75917af712b3c7f909581205f0a5Daniel Dunbar llvm::Value *EmitTargetBuiltinExpr(unsigned BuiltinID, const CallExpr *E); 432f02e9ddf5efc75917af712b3c7f909581205f0a5Daniel Dunbar 433564f1de67d7ba43646b8740db86d6269e3dfbe0bAnders Carlsson llvm::Value *EmitX86BuiltinExpr(unsigned BuiltinID, const CallExpr *E); 434564f1de67d7ba43646b8740db86d6269e3dfbe0bAnders Carlsson llvm::Value *EmitPPCBuiltinExpr(unsigned BuiltinID, const CallExpr *E); 435564f1de67d7ba43646b8740db86d6269e3dfbe0bAnders Carlsson 436cc23acae84c6d5c37b4805edbcd95ee5d821c400Anders Carlsson llvm::Value *EmitShuffleVector(llvm::Value* V1, llvm::Value *V2, ...); 4374119d1aeca8016654d381ce079864058d1709571Nate Begeman llvm::Value *EmitVector(llvm::Value * const *Vals, unsigned NumVals, 4384119d1aeca8016654d381ce079864058d1709571Nate Begeman bool isSplat = false); 4396086bbd1799e22e75561c3d31dc9b923f0508fa5Anders Carlsson 440ed7c618f849e2541b1d0288c43154937652c5b15Daniel Dunbar llvm::Value *EmitObjCProtocolExpr(const ObjCProtocolExpr *E); 4417f02f721d48772e4eee4fccd8af4f800be1bbc1eChris Lattner llvm::Value *EmitObjCStringLiteral(const ObjCStringLiteral *E); 4428fdf32822be2238aa7db62d40e75b168b637ab7dChris Lattner llvm::Value *EmitObjCSelectorExpr(const ObjCSelectorExpr *E); 4438f2926b73ed635afecd020da787af6a837601a2bDaniel Dunbar RValue EmitObjCMessageExpr(const ObjCMessageExpr *E); 4449c3fc703b29a31d40bcf5027dbb4784dd393804eDaniel Dunbar RValue EmitObjCPropertyGet(const ObjCPropertyRefExpr *E); 44585c59edda02df48fae8dc85049743319bc6e7e89Daniel Dunbar void EmitObjCPropertySet(const ObjCPropertyRefExpr *E, RValue Src); 4468fdf32822be2238aa7db62d40e75b168b637ab7dChris Lattner 4478fdf32822be2238aa7db62d40e75b168b637ab7dChris Lattner 448883f6a7cc7dccb1d675e27121a82614d63492a8dChris Lattner //===--------------------------------------------------------------------===// 449bfc0c1ae4b505b52b36f572a9641f99e76879cabChris Lattner // Expression Emission 450883f6a7cc7dccb1d675e27121a82614d63492a8dChris Lattner //===--------------------------------------------------------------------===// 451bfc0c1ae4b505b52b36f572a9641f99e76879cabChris Lattner 452bfc0c1ae4b505b52b36f572a9641f99e76879cabChris Lattner // Expressions are broken into three classes: scalar, complex, aggregate. 453883f6a7cc7dccb1d675e27121a82614d63492a8dChris Lattner 4547f02f721d48772e4eee4fccd8af4f800be1bbc1eChris Lattner /// EmitScalarExpr - Emit the computation of the specified expression of 4557f02f721d48772e4eee4fccd8af4f800be1bbc1eChris Lattner /// LLVM scalar type, returning the result. 4567f02f721d48772e4eee4fccd8af4f800be1bbc1eChris Lattner llvm::Value *EmitScalarExpr(const Expr *E); 4577f02f721d48772e4eee4fccd8af4f800be1bbc1eChris Lattner 4583707b255f8993fb362904c9cff87b0e9bc6ca317Chris Lattner /// EmitScalarConversion - Emit a conversion from the specified type to the 4593707b255f8993fb362904c9cff87b0e9bc6ca317Chris Lattner /// specified destination type, both of which are LLVM scalar types. 4603707b255f8993fb362904c9cff87b0e9bc6ca317Chris Lattner llvm::Value *EmitScalarConversion(llvm::Value *Src, QualType SrcTy, 4613707b255f8993fb362904c9cff87b0e9bc6ca317Chris Lattner QualType DstTy); 4623707b255f8993fb362904c9cff87b0e9bc6ca317Chris Lattner 4634f1a7b380809b4ca19ad2daff61bc11cd1e979d8Chris Lattner /// EmitComplexToScalarConversion - Emit a conversion from the specified 4644f1a7b380809b4ca19ad2daff61bc11cd1e979d8Chris Lattner /// complex type to the specified destination type, where the destination 4654f1a7b380809b4ca19ad2daff61bc11cd1e979d8Chris Lattner /// type is an LLVM scalar type. 4664f1a7b380809b4ca19ad2daff61bc11cd1e979d8Chris Lattner llvm::Value *EmitComplexToScalarConversion(ComplexPairTy Src, QualType SrcTy, 4674f1a7b380809b4ca19ad2daff61bc11cd1e979d8Chris Lattner QualType DstTy); 4684f1a7b380809b4ca19ad2daff61bc11cd1e979d8Chris Lattner 4693707b255f8993fb362904c9cff87b0e9bc6ca317Chris Lattner 470883f6a7cc7dccb1d675e27121a82614d63492a8dChris Lattner /// EmitAggExpr - Emit the computation of the specified expression of 471883f6a7cc7dccb1d675e27121a82614d63492a8dChris Lattner /// aggregate type. The result is computed into DestPtr. Note that if 472883f6a7cc7dccb1d675e27121a82614d63492a8dChris Lattner /// DestPtr is null, the value of the aggregate expression is not needed. 473883f6a7cc7dccb1d675e27121a82614d63492a8dChris Lattner void EmitAggExpr(const Expr *E, llvm::Value *DestPtr, bool VolatileDest); 474b6ef18a2b06d6760459e1756a61f79ff496cee19Chris Lattner 475b6ef18a2b06d6760459e1756a61f79ff496cee19Chris Lattner /// EmitComplexExpr - Emit the computation of the specified expression of 47623b1cdb0b5e089468bb8475b8ec9287af67b4b59Chris Lattner /// complex type, returning the result. 47758dee10ed2eee34035f62d1c2d32b3639e9182f8Chris Lattner ComplexPairTy EmitComplexExpr(const Expr *E); 47823b1cdb0b5e089468bb8475b8ec9287af67b4b59Chris Lattner 47923b1cdb0b5e089468bb8475b8ec9287af67b4b59Chris Lattner /// EmitComplexExprIntoAddr - Emit the computation of the specified expression 48023b1cdb0b5e089468bb8475b8ec9287af67b4b59Chris Lattner /// of complex type, storing into the specified Value*. 481190dbe203c2e892ac40f1786035c6c9be3f44a4cChris Lattner void EmitComplexExprIntoAddr(const Expr *E, llvm::Value *DestAddr, 482190dbe203c2e892ac40f1786035c6c9be3f44a4cChris Lattner bool DestIsVolatile); 4837f8ea5c5b3a6a4332a841eefdd86b0726722ea7bDaniel Dunbar 4847f8ea5c5b3a6a4332a841eefdd86b0726722ea7bDaniel Dunbar /// StoreComplexToAddr - Store a complex number into the specified address. 4857f8ea5c5b3a6a4332a841eefdd86b0726722ea7bDaniel Dunbar void StoreComplexToAddr(ComplexPairTy V, llvm::Value *DestAddr, 4867f8ea5c5b3a6a4332a841eefdd86b0726722ea7bDaniel Dunbar bool DestIsVolatile); 4879b65551d0b387a7597fb39356a4d8ef10046445eChris Lattner /// LoadComplexFromAddr - Load a complex number from the specified address. 4889b65551d0b387a7597fb39356a4d8ef10046445eChris Lattner ComplexPairTy LoadComplexFromAddr(llvm::Value *SrcAddr, bool SrcIsVolatile); 4892621fd1d6d3c5eadcae246859f62738645df7540Chris Lattner 4902621fd1d6d3c5eadcae246859f62738645df7540Chris Lattner /// GenerateStaticBlockVarDecl - return the the static 4912621fd1d6d3c5eadcae246859f62738645df7540Chris Lattner /// declaration of local variable. 4922621fd1d6d3c5eadcae246859f62738645df7540Chris Lattner llvm::GlobalValue *GenerateStaticBlockVarDecl(const VarDecl &D, 4932621fd1d6d3c5eadcae246859f62738645df7540Chris Lattner bool NoInit, 4942621fd1d6d3c5eadcae246859f62738645df7540Chris Lattner const char *Separator); 4950ffb125996336fc7602b162c0a9e392f1a93060fDaniel Dunbar 496e1b29efab32d02e114046d33cca242a88585bf8aAnders Carlsson // GenerateStaticBlockVarDecl - return the static declaration of 497e1b29efab32d02e114046d33cca242a88585bf8aAnders Carlsson // a local variable. Performs initialization of the variable if necessary. 498e1b29efab32d02e114046d33cca242a88585bf8aAnders Carlsson llvm::GlobalValue *GenerateStaticCXXBlockVarDecl(const VarDecl &D); 499e1b29efab32d02e114046d33cca242a88585bf8aAnders Carlsson 5000ffb125996336fc7602b162c0a9e392f1a93060fDaniel Dunbar //===--------------------------------------------------------------------===// 5010ffb125996336fc7602b162c0a9e392f1a93060fDaniel Dunbar // Internal Helpers 5020ffb125996336fc7602b162c0a9e392f1a93060fDaniel Dunbar //===--------------------------------------------------------------------===// 5030ffb125996336fc7602b162c0a9e392f1a93060fDaniel Dunbar 5040ffb125996336fc7602b162c0a9e392f1a93060fDaniel Dunbarprivate: 5050ffb125996336fc7602b162c0a9e392f1a93060fDaniel Dunbar /// EmitIndirectSwitches - Emit code for all of the switch 5060ffb125996336fc7602b162c0a9e392f1a93060fDaniel Dunbar /// instructions in IndirectSwitches. 5070ffb125996336fc7602b162c0a9e392f1a93060fDaniel Dunbar void EmitIndirectSwitches(); 5085627377df5439a1d3d46a4e4cef4ae44f84a322bDaniel Dunbar 50929e0bccf2bcce22b877f8b2ed173f564c116b97eDaniel Dunbar void EmitReturnOfRValue(RValue RV, QualType Ty); 51029e0bccf2bcce22b877f8b2ed173f564c116b97eDaniel Dunbar 5115627377df5439a1d3d46a4e4cef4ae44f84a322bDaniel Dunbar /// ExpandTypeFromArgs - Reconstruct a structure of type \arg Ty 5125627377df5439a1d3d46a4e4cef4ae44f84a322bDaniel Dunbar /// from function arguments into \arg Dst. See ABIArgInfo::Expand. 5135627377df5439a1d3d46a4e4cef4ae44f84a322bDaniel Dunbar /// 5145627377df5439a1d3d46a4e4cef4ae44f84a322bDaniel Dunbar /// \param AI - The first function argument of the expansion. 5155627377df5439a1d3d46a4e4cef4ae44f84a322bDaniel Dunbar /// \return The argument following the last expanded function 5165627377df5439a1d3d46a4e4cef4ae44f84a322bDaniel Dunbar /// argument. 5175627377df5439a1d3d46a4e4cef4ae44f84a322bDaniel Dunbar llvm::Function::arg_iterator 5185627377df5439a1d3d46a4e4cef4ae44f84a322bDaniel Dunbar ExpandTypeFromArgs(QualType Ty, LValue Dst, 5195627377df5439a1d3d46a4e4cef4ae44f84a322bDaniel Dunbar llvm::Function::arg_iterator AI); 5205627377df5439a1d3d46a4e4cef4ae44f84a322bDaniel Dunbar 5215627377df5439a1d3d46a4e4cef4ae44f84a322bDaniel Dunbar /// ExpandTypeToArgs - Expand an RValue \arg Src, with the LLVM type 5225627377df5439a1d3d46a4e4cef4ae44f84a322bDaniel Dunbar /// for \arg Ty, into individual arguments on the provided vector 5235627377df5439a1d3d46a4e4cef4ae44f84a322bDaniel Dunbar /// \arg Args. See ABIArgInfo::Expand. 5245627377df5439a1d3d46a4e4cef4ae44f84a322bDaniel Dunbar void ExpandTypeToArgs(QualType Ty, RValue Src, 5255627377df5439a1d3d46a4e4cef4ae44f84a322bDaniel Dunbar llvm::SmallVector<llvm::Value*, 16> &Args); 5265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 5275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace CodeGen 5285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace clang 5295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif 531