X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FTarget%2FX86%2FX86TargetMachine.h;h=eaf81df5abcc95a5643a3329632ba75cf0678db7;hb=5788d1a169db3346a612a13113348d2709bdd15b;hp=12f5c0e6a22ba17aa36d37a0a7731b7c2590f907;hpb=d0fde30ce850b78371fd1386338350591f9ff494;p=oota-llvm.git diff --git a/lib/Target/X86/X86TargetMachine.h b/lib/Target/X86/X86TargetMachine.h index 12f5c0e6a22..eaf81df5abc 100644 --- a/lib/Target/X86/X86TargetMachine.h +++ b/lib/Target/X86/X86TargetMachine.h @@ -1,12 +1,12 @@ //===-- X86TargetMachine.h - Define TargetMachine for the X86 ---*- C++ -*-===// -// +// // The LLVM Compiler Infrastructure // -// This file was developed by the LLVM research group and is distributed under -// the University of Illinois Open Source License. See LICENSE.TXT for details. -// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// //===----------------------------------------------------------------------===// -// +// // This file declares the X86 specific subclass of TargetMachine. // //===----------------------------------------------------------------------===// @@ -15,46 +15,99 @@ #define X86TARGETMACHINE_H #include "llvm/Target/TargetMachine.h" +#include "llvm/Target/TargetData.h" #include "llvm/Target/TargetFrameInfo.h" -#include "llvm/PassManager.h" +#include "X86.h" +#include "X86ELFWriterInfo.h" #include "X86InstrInfo.h" +#include "X86JITInfo.h" +#include "X86Subtarget.h" +#include "X86ISelLowering.h" namespace llvm { + +class raw_ostream; + +class X86TargetMachine : public LLVMTargetMachine { + X86Subtarget Subtarget; + const TargetData DataLayout; // Calculates type size & alignment + TargetFrameInfo FrameInfo; + X86InstrInfo InstrInfo; + X86JITInfo JITInfo; + X86TargetLowering TLInfo; + X86ELFWriterInfo ELFWriterInfo; + Reloc::Model DefRelocModel; // Reloc model before it's overridden. + +protected: + virtual const TargetAsmInfo *createTargetAsmInfo() const; + + // To avoid having target depend on the asmprinter stuff libraries, asmprinter + // set this functions to ctor pointer at startup time if they are linked in. + typedef FunctionPass *(*AsmPrinterCtorFn)(raw_ostream &o, + X86TargetMachine &tm); + static AsmPrinterCtorFn AsmPrinterCtor; -class X86TargetMachine : public TargetMachine { - X86InstrInfo InstrInfo; - TargetFrameInfo FrameInfo; public: - X86TargetMachine(const Module &M); + X86TargetMachine(const Module &M, const std::string &FS, bool is64Bit); - virtual const X86InstrInfo &getInstrInfo() const { return InstrInfo; } - virtual const TargetFrameInfo &getFrameInfo() const { return FrameInfo; } - virtual const MRegisterInfo *getRegisterInfo() const { + virtual const X86InstrInfo *getInstrInfo() const { return &InstrInfo; } + virtual const TargetFrameInfo *getFrameInfo() const { return &FrameInfo; } + virtual X86JITInfo *getJITInfo() { return &JITInfo; } + virtual const X86Subtarget *getSubtargetImpl() const{ return &Subtarget; } + virtual X86TargetLowering *getTargetLowering() const { + return const_cast(&TLInfo); + } + virtual const X86RegisterInfo *getRegisterInfo() const { return &InstrInfo.getRegisterInfo(); } + virtual const TargetData *getTargetData() const { return &DataLayout; } + virtual const X86ELFWriterInfo *getELFWriterInfo() const { + return Subtarget.isTargetELF() ? &ELFWriterInfo : 0; + } + + static unsigned getModuleMatchQuality(const Module &M); + static unsigned getJITMatchQuality(); - virtual const TargetSchedInfo &getSchedInfo() const { abort(); } - virtual const TargetRegInfo &getRegInfo() const { abort(); } - virtual const TargetCacheInfo &getCacheInfo() const { abort(); } - - /// addPassesToJITCompile - Add passes to the specified pass manager to - /// implement a fast dynamic compiler for this target. Return true if this is - /// not supported for this target. - /// - virtual bool addPassesToJITCompile(FunctionPassManager &PM); - - /// addPassesToEmitMachineCode - Add passes to the specified pass manager to - /// get machine code emitted. This uses a MachineCodeEmitter object to handle - /// actually outputting the machine code and resolving things like the address - /// of functions. This method should returns true if machine code emission is - /// not supported. - /// - virtual bool addPassesToEmitMachineCode(FunctionPassManager &PM, - MachineCodeEmitter &MCE); + static void registerAsmPrinter(AsmPrinterCtorFn F) { + AsmPrinterCtor = F; + } + + // Set up the pass pipeline. + virtual bool addInstSelector(PassManagerBase &PM, bool Fast); + virtual bool addPreRegAlloc(PassManagerBase &PM, bool Fast); + virtual bool addPostRegAlloc(PassManagerBase &PM, bool Fast); + virtual bool addAssemblyEmitter(PassManagerBase &PM, bool Fast, + raw_ostream &Out); + virtual bool addCodeEmitter(PassManagerBase &PM, bool Fast, + bool DumpAsm, MachineCodeEmitter &MCE); + virtual bool addSimpleCodeEmitter(PassManagerBase &PM, bool Fast, + bool DumpAsm, MachineCodeEmitter &MCE); + + // symbolicAddressesAreRIPRel - Return true if symbolic addresses are + // RIP-relative on this machine, taking into consideration the relocation + // model and subtarget. RIP-relative addresses cannot have a separate + // base or index register. + bool symbolicAddressesAreRIPRel() const; +}; + +/// X86_32TargetMachine - X86 32-bit target machine. +/// +class X86_32TargetMachine : public X86TargetMachine { +public: + X86_32TargetMachine(const Module &M, const std::string &FS); - virtual bool addPassesToEmitAssembly(PassManager &PM, std::ostream &Out); + static unsigned getJITMatchQuality(); + static unsigned getModuleMatchQuality(const Module &M); +}; - virtual void replaceMachineCodeForFunction (void *Old, void *New); +/// X86_64TargetMachine - X86 64-bit target machine. +/// +class X86_64TargetMachine : public X86TargetMachine { +public: + X86_64TargetMachine(const Module &M, const std::string &FS); + + static unsigned getJITMatchQuality(); + static unsigned getModuleMatchQuality(const Module &M); }; } // End llvm namespace