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//===-- 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
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