llvm-6502/lib/Target/ARM/ARMTargetMachine.h
Eric Christopher e6f32be8df Add subtarget caches to aarch64, arm, ppc, and x86.
These will make it easier to test further changes to the
code generation and optimization pipelines as those are
moved to subtargets initialized with target feature and
target cpu.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@219106 91177308-0d34-0410-b5e6-96231b3b80d8
2014-10-06 06:45:36 +00:00

116 lines
3.9 KiB
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//===-- 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 "ARMInstrInfo.h"
#include "ARMSubtarget.h"
#include "llvm/IR/DataLayout.h"
#include "llvm/Target/TargetMachine.h"
namespace llvm {
class ARMBaseTargetMachine : public LLVMTargetMachine {
protected:
ARMSubtarget Subtarget;
bool isLittle;
mutable StringMap<std::unique_ptr<ARMSubtarget>> SubtargetMap;
public:
ARMBaseTargetMachine(const Target &T, StringRef TT,
StringRef CPU, StringRef FS,
const TargetOptions &Options,
Reloc::Model RM, CodeModel::Model CM,
CodeGenOpt::Level OL,
bool isLittle);
const ARMSubtarget *getSubtargetImpl() const override { return &Subtarget; }
const ARMSubtarget *getSubtargetImpl(const Function &F) const override;
/// \brief Register ARM analysis passes with a pass manager.
void addAnalysisPasses(PassManagerBase &PM) override;
// Pass Pipeline Configuration
TargetPassConfig *createPassConfig(PassManagerBase &PM) override;
};
/// ARMTargetMachine - ARM target machine.
///
class ARMTargetMachine : public ARMBaseTargetMachine {
virtual void anchor();
public:
ARMTargetMachine(const Target &T, StringRef TT, StringRef CPU, StringRef FS,
const TargetOptions &Options, Reloc::Model RM,
CodeModel::Model CM, CodeGenOpt::Level OL, bool isLittle);
};
/// ARMLETargetMachine - ARM little endian target machine.
///
class ARMLETargetMachine : public ARMTargetMachine {
void anchor() override;
public:
ARMLETargetMachine(const Target &T, StringRef TT,
StringRef CPU, StringRef FS, const TargetOptions &Options,
Reloc::Model RM, CodeModel::Model CM,
CodeGenOpt::Level OL);
};
/// ARMBETargetMachine - ARM big endian target machine.
///
class ARMBETargetMachine : public ARMTargetMachine {
void anchor() override;
public:
ARMBETargetMachine(const Target &T, StringRef TT, StringRef CPU, StringRef FS,
const TargetOptions &Options, Reloc::Model RM,
CodeModel::Model CM, CodeGenOpt::Level OL);
};
/// ThumbTargetMachine - Thumb target machine.
/// Due to the way architectures are handled, this represents both
/// Thumb-1 and Thumb-2.
///
class ThumbTargetMachine : public ARMBaseTargetMachine {
virtual void anchor();
public:
ThumbTargetMachine(const Target &T, StringRef TT, StringRef CPU, StringRef FS,
const TargetOptions &Options, Reloc::Model RM,
CodeModel::Model CM, CodeGenOpt::Level OL, bool isLittle);
};
/// ThumbLETargetMachine - Thumb little endian target machine.
///
class ThumbLETargetMachine : public ThumbTargetMachine {
void anchor() override;
public:
ThumbLETargetMachine(const Target &T, StringRef TT, StringRef CPU,
StringRef FS, const TargetOptions &Options,
Reloc::Model RM, CodeModel::Model CM,
CodeGenOpt::Level OL);
};
/// ThumbBETargetMachine - Thumb big endian target machine.
///
class ThumbBETargetMachine : public ThumbTargetMachine {
void anchor() override;
public:
ThumbBETargetMachine(const Target &T, StringRef TT, StringRef CPU,
StringRef FS, const TargetOptions &Options,
Reloc::Model RM, CodeModel::Model CM,
CodeGenOpt::Level OL);
};
} // end namespace llvm
#endif