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//===-- 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;
}
yaml::MachineFunctionInfo *createDefaultFuncInfoYAML() const override;
yaml::MachineFunctionInfo *
convertFuncInfoToYAML(const MachineFunction &MF) const override;
bool parseMachineFunctionInfo(const yaml::MachineFunctionInfo &,
PerFunctionMIParsingState &PFS,
SMDiagnostic &Error,
SMRange &SourceRange) const override;
};
} // end namespace llvm
#endif // LLVM_LIB_TARGET_AMDGPU_AMDGPUTARGETMACHINE_H
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