forked from OSchip/llvm-project
89 lines
2.9 KiB
C++
89 lines
2.9 KiB
C++
//===-- ARMTargetMachine.h - Define TargetMachine for ARM -------*- 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 ARM specific subclass of TargetMachine.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef LLVM_LIB_TARGET_ARM_ARMTARGETMACHINE_H
|
|
#define LLVM_LIB_TARGET_ARM_ARMTARGETMACHINE_H
|
|
|
|
#include "ARMSubtarget.h"
|
|
#include "llvm/ADT/Optional.h"
|
|
#include "llvm/ADT/StringMap.h"
|
|
#include "llvm/ADT/StringRef.h"
|
|
#include "llvm/Analysis/TargetTransformInfo.h"
|
|
#include "llvm/Support/CodeGen.h"
|
|
#include "llvm/Target/TargetMachine.h"
|
|
#include <memory>
|
|
|
|
namespace llvm {
|
|
|
|
class ARMBaseTargetMachine : public LLVMTargetMachine {
|
|
public:
|
|
enum ARMABI {
|
|
ARM_ABI_UNKNOWN,
|
|
ARM_ABI_APCS,
|
|
ARM_ABI_AAPCS, // ARM EABI
|
|
ARM_ABI_AAPCS16
|
|
} TargetABI;
|
|
|
|
protected:
|
|
std::unique_ptr<TargetLoweringObjectFile> TLOF;
|
|
bool isLittle;
|
|
mutable StringMap<std::unique_ptr<ARMSubtarget>> SubtargetMap;
|
|
|
|
public:
|
|
ARMBaseTargetMachine(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 isLittle);
|
|
~ARMBaseTargetMachine() override;
|
|
|
|
const ARMSubtarget *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 ARMSubtarget *getSubtargetImpl() const = delete;
|
|
bool isLittleEndian() const { return isLittle; }
|
|
|
|
TargetTransformInfo getTargetTransformInfo(const Function &F) override;
|
|
|
|
// Pass Pipeline Configuration
|
|
TargetPassConfig *createPassConfig(PassManagerBase &PM) override;
|
|
|
|
TargetLoweringObjectFile *getObjFileLowering() const override {
|
|
return TLOF.get();
|
|
}
|
|
};
|
|
|
|
/// ARM/Thumb little endian target machine.
|
|
///
|
|
class ARMLETargetMachine : public ARMBaseTargetMachine {
|
|
public:
|
|
ARMLETargetMachine(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);
|
|
};
|
|
|
|
/// ARM/Thumb big endian target machine.
|
|
///
|
|
class ARMBETargetMachine : public ARMBaseTargetMachine {
|
|
public:
|
|
ARMBETargetMachine(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);
|
|
};
|
|
|
|
} // end namespace llvm
|
|
|
|
#endif // LLVM_LIB_TARGET_ARM_ARMTARGETMACHINE_H
|