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Diffstat (limited to 'lib/Target/X86/X86TargetMachine.h')
-rw-r--r-- | lib/Target/X86/X86TargetMachine.h | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/lib/Target/X86/X86TargetMachine.h b/lib/Target/X86/X86TargetMachine.h new file mode 100644 index 0000000000000..ecc1d39701ded --- /dev/null +++ b/lib/Target/X86/X86TargetMachine.h @@ -0,0 +1,124 @@ +//===-- X86TargetMachine.h - Define TargetMachine for the X86 ---*- C++ -*-===// +// +// The LLVM Compiler Infrastructure +// +// 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. +// +//===----------------------------------------------------------------------===// + +#ifndef X86TARGETMACHINE_H +#define X86TARGETMACHINE_H + +#include "llvm/Target/TargetMachine.h" +#include "llvm/Target/TargetData.h" +#include "llvm/Target/TargetFrameInfo.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, + CodeGenOpt::Level OptLevel, + bool verbose); + static AsmPrinterCtorFn AsmPrinterCtor; + +public: + 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 X86JITInfo *getJITInfo() { return &JITInfo; } + virtual const X86Subtarget *getSubtargetImpl() const{ return &Subtarget; } + virtual X86TargetLowering *getTargetLowering() const { + return const_cast<X86TargetLowering*>(&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(); + + static void registerAsmPrinter(AsmPrinterCtorFn F) { + AsmPrinterCtor = F; + } + + // Set up the pass pipeline. + virtual bool addInstSelector(PassManagerBase &PM, CodeGenOpt::Level OptLevel); + virtual bool addPreRegAlloc(PassManagerBase &PM, CodeGenOpt::Level OptLevel); + virtual bool addPostRegAlloc(PassManagerBase &PM, CodeGenOpt::Level OptLevel); + virtual bool addAssemblyEmitter(PassManagerBase &PM, + CodeGenOpt::Level OptLevel, + bool Verbose, raw_ostream &Out); + virtual bool addCodeEmitter(PassManagerBase &PM, CodeGenOpt::Level OptLevel, + bool DumpAsm, MachineCodeEmitter &MCE); + virtual bool addCodeEmitter(PassManagerBase &PM, CodeGenOpt::Level OptLevel, + bool DumpAsm, JITCodeEmitter &JCE); + virtual bool addSimpleCodeEmitter(PassManagerBase &PM, + CodeGenOpt::Level OptLevel, + bool DumpAsm, MachineCodeEmitter &MCE); + virtual bool addSimpleCodeEmitter(PassManagerBase &PM, + CodeGenOpt::Level OptLevel, + bool DumpAsm, JITCodeEmitter &JCE); + + /// 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); + + static unsigned getJITMatchQuality(); + static unsigned getModuleMatchQuality(const Module &M); +}; + +/// 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 + +#endif |