Imported Upstream version 5.18.0.167

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2018-10-20 08:25:10 +00:00
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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 LLVM_LIB_TARGET_X86_X86TARGETMACHINE_H
#define LLVM_LIB_TARGET_X86_X86TARGETMACHINE_H
#include "X86Subtarget.h"
#include "llvm/ADT/Optional.h"
#include "llvm/ADT/StringMap.h"
#include "llvm/Analysis/TargetTransformInfo.h"
#include "llvm/Support/CodeGen.h"
#include "llvm/Target/TargetMachine.h"
#include <memory>
namespace llvm {
class StringRef;
class X86Subtarget;
class X86RegisterBankInfo;
class X86TargetMachine final : public LLVMTargetMachine {
std::unique_ptr<TargetLoweringObjectFile> TLOF;
mutable StringMap<std::unique_ptr<X86Subtarget>> SubtargetMap;
public:
X86TargetMachine(const Target &T, const Triple &TT, StringRef CPU,
StringRef FS, const TargetOptions &Options,
Optional<Reloc::Model> RM, Optional<CodeModel::Model> CM,
CodeGenOpt::Level OL, bool JIT);
~X86TargetMachine() override;
const X86Subtarget *getSubtargetImpl(const Function &F) const override;
// DO NOT IMPLEMENT: There is no such thing as a valid default subtarget,
// subtargets are per-function entities based on the target-specific
// attributes of each function.
const X86Subtarget *getSubtargetImpl() const = delete;
TargetTransformInfo getTargetTransformInfo(const Function &F) override;
// Set up the pass pipeline.
TargetPassConfig *createPassConfig(PassManagerBase &PM) override;
TargetLoweringObjectFile *getObjFileLowering() const override {
return TLOF.get();
}
bool isMachineVerifierClean() const override {
return false;
}
};
} // end namespace llvm
#endif // LLVM_LIB_TARGET_X86_X86TARGETMACHINE_H