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llvm-mirror/lib/Target/AMDGPU/AMDGPUTargetMachine.h
Chandler Carruth ae65e281f3 Update the file headers across all of the LLVM projects in the monorepo
to reflect the new license.

We understand that people may be surprised that we're moving the header
entirely to discuss the new license. We checked this carefully with the
Foundation's lawyer and we believe this is the correct approach.

Essentially, all code in the project is now made available by the LLVM
project under our new license, so you will see that the license headers
include that license only. Some of our contributors have contributed
code under our old license, and accordingly, we have retained a copy of
our old license notice in the top-level files in each project and
repository.

llvm-svn: 351636
2019-01-19 08:50:56 +00:00

118 lines
4.0 KiB
C++

//===-- AMDGPUTargetMachine.h - AMDGPU TargetMachine Interface --*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
/// \file
/// The AMDGPU TargetMachine interface definition for hw codgen targets.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_LIB_TARGET_AMDGPU_AMDGPUTARGETMACHINE_H
#define LLVM_LIB_TARGET_AMDGPU_AMDGPUTARGETMACHINE_H
#include "AMDGPUSubtarget.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 {
//===----------------------------------------------------------------------===//
// AMDGPU Target Machine (R600+)
//===----------------------------------------------------------------------===//
class AMDGPUTargetMachine : public LLVMTargetMachine {
protected:
std::unique_ptr<TargetLoweringObjectFile> TLOF;
StringRef getGPUName(const Function &F) const;
StringRef getFeatureString(const Function &F) const;
public:
static bool EnableLateStructurizeCFG;
static bool EnableFunctionCalls;
AMDGPUTargetMachine(const Target &T, const Triple &TT, StringRef CPU,
StringRef FS, TargetOptions Options,
Optional<Reloc::Model> RM, Optional<CodeModel::Model> CM,
CodeGenOpt::Level OL);
~AMDGPUTargetMachine() override;
const TargetSubtargetInfo *getSubtargetImpl() const;
const TargetSubtargetInfo *getSubtargetImpl(const Function &) const override = 0;
TargetLoweringObjectFile *getObjFileLowering() const override {
return TLOF.get();
}
void adjustPassManager(PassManagerBuilder &) override;
/// Get the integer value of a null pointer in the given address space.
uint64_t getNullPointerValue(unsigned AddrSpace) const {
return (AddrSpace == AMDGPUAS::LOCAL_ADDRESS ||
AddrSpace == AMDGPUAS::REGION_ADDRESS) ? -1 : 0;
}
};
//===----------------------------------------------------------------------===//
// R600 Target Machine (R600 -> Cayman)
//===----------------------------------------------------------------------===//
class R600TargetMachine final : public AMDGPUTargetMachine {
private:
mutable StringMap<std::unique_ptr<R600Subtarget>> SubtargetMap;
public:
R600TargetMachine(const Target &T, const Triple &TT, StringRef CPU,
StringRef FS, TargetOptions Options,
Optional<Reloc::Model> RM, Optional<CodeModel::Model> CM,
CodeGenOpt::Level OL, bool JIT);
TargetPassConfig *createPassConfig(PassManagerBase &PM) override;
const R600Subtarget *getSubtargetImpl(const Function &) const override;
TargetTransformInfo getTargetTransformInfo(const Function &F) override;
bool isMachineVerifierClean() const override {
return false;
}
};
//===----------------------------------------------------------------------===//
// GCN Target Machine (SI+)
//===----------------------------------------------------------------------===//
class GCNTargetMachine final : public AMDGPUTargetMachine {
private:
mutable StringMap<std::unique_ptr<GCNSubtarget>> SubtargetMap;
public:
GCNTargetMachine(const Target &T, const Triple &TT, StringRef CPU,
StringRef FS, TargetOptions Options,
Optional<Reloc::Model> RM, Optional<CodeModel::Model> CM,
CodeGenOpt::Level OL, bool JIT);
TargetPassConfig *createPassConfig(PassManagerBase &PM) override;
const GCNSubtarget *getSubtargetImpl(const Function &) const override;
TargetTransformInfo getTargetTransformInfo(const Function &F) override;
bool useIPRA() const override {
return true;
}
};
} // end namespace llvm
#endif // LLVM_LIB_TARGET_AMDGPU_AMDGPUTARGETMACHINE_H