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//===- AMDGPULegalizerInfo ---------------------------------------*- 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
/// This file declares the targeting of the Machinelegalizer class for
/// AMDGPU.
/// \todo This should be generated by TableGen.
//===----------------------------------------------------------------------===//
#ifndef LLVM_LIB_TARGET_AMDGPU_AMDGPUMACHINELEGALIZER_H
#define LLVM_LIB_TARGET_AMDGPU_AMDGPUMACHINELEGALIZER_H
#include "llvm/CodeGen/GlobalISel/LegalizerInfo.h"
#include "AMDGPUArgumentUsageInfo.h"
#include "SIInstrInfo.h"
namespace llvm {
class GCNTargetMachine;
class LLVMContext;
class GCNSubtarget;
/// This class provides the information for the target register banks.
class AMDGPULegalizerInfo : public LegalizerInfo {
const GCNSubtarget &ST;
public:
AMDGPULegalizerInfo(const GCNSubtarget &ST,
const GCNTargetMachine &TM);
bool legalizeCustom(MachineInstr &MI, MachineRegisterInfo &MRI,
MachineIRBuilder &B,
GISelChangeObserver &Observer) const override;
Register getSegmentAperture(unsigned AddrSpace,
MachineRegisterInfo &MRI,
MachineIRBuilder &B) const;
bool legalizeAddrSpaceCast(MachineInstr &MI, MachineRegisterInfo &MRI,
MachineIRBuilder &B) const;
bool legalizeFrint(MachineInstr &MI, MachineRegisterInfo &MRI,
MachineIRBuilder &B) const;
bool legalizeFceil(MachineInstr &MI, MachineRegisterInfo &MRI,
MachineIRBuilder &B) const;
bool legalizeIntrinsicTrunc(MachineInstr &MI, MachineRegisterInfo &MRI,
MachineIRBuilder &B) const;
bool legalizeITOFP(MachineInstr &MI, MachineRegisterInfo &MRI,
MachineIRBuilder &B, bool Signed) const;
bool legalizeMinNumMaxNum(MachineInstr &MI, MachineRegisterInfo &MRI,
MachineIRBuilder &B) const;
bool legalizeExtractVectorElt(MachineInstr &MI, MachineRegisterInfo &MRI,
MachineIRBuilder &B) const;
bool legalizeInsertVectorElt(MachineInstr &MI, MachineRegisterInfo &MRI,
MachineIRBuilder &B) const;
bool legalizeSinCos(MachineInstr &MI, MachineRegisterInfo &MRI,
MachineIRBuilder &B) const;
bool buildPCRelGlobalAddress(
Register DstReg, LLT PtrTy, MachineIRBuilder &B, const GlobalValue *GV,
unsigned Offset, unsigned GAFlags = SIInstrInfo::MO_NONE) const;
bool legalizeGlobalValue(MachineInstr &MI, MachineRegisterInfo &MRI,
MachineIRBuilder &B) const;
bool legalizeLoad(MachineInstr &MI, MachineRegisterInfo &MRI,
MachineIRBuilder &B,
GISelChangeObserver &Observer) const;
bool legalizeFMad(MachineInstr &MI, MachineRegisterInfo &MRI,
MachineIRBuilder &B) const;
bool legalizeAtomicCmpXChg(MachineInstr &MI, MachineRegisterInfo &MRI,
MachineIRBuilder &B) const;
Register getLiveInRegister(MachineRegisterInfo &MRI,
Register Reg, LLT Ty) const;
bool loadInputValue(Register DstReg, MachineIRBuilder &B,
const ArgDescriptor *Arg) const;
bool legalizePreloadedArgIntrin(
MachineInstr &MI, MachineRegisterInfo &MRI, MachineIRBuilder &B,
AMDGPUFunctionArgInfo::PreloadedValue ArgType) const;
bool legalizeFDIV(MachineInstr &MI, MachineRegisterInfo &MRI,
MachineIRBuilder &B) const;
bool legalizeFDIV16(MachineInstr &MI, MachineRegisterInfo &MRI,
MachineIRBuilder &B) const;
bool legalizeFDIV32(MachineInstr &MI, MachineRegisterInfo &MRI,
MachineIRBuilder &B) const;
bool legalizeFDIV64(MachineInstr &MI, MachineRegisterInfo &MRI,
MachineIRBuilder &B) const;
bool legalizeFastUnsafeFDIV(MachineInstr &MI, MachineRegisterInfo &MRI,
MachineIRBuilder &B) const;
bool legalizeFDIVFastIntrin(MachineInstr &MI, MachineRegisterInfo &MRI,
MachineIRBuilder &B) const;
bool legalizeImplicitArgPtr(MachineInstr &MI, MachineRegisterInfo &MRI,
MachineIRBuilder &B) const;
bool legalizeIsAddrSpace(MachineInstr &MI, MachineRegisterInfo &MRI,
MachineIRBuilder &B, unsigned AddrSpace) const;
Register handleD16VData(MachineIRBuilder &B, MachineRegisterInfo &MRI,
Register Reg) const;
bool legalizeRawBufferStore(MachineInstr &MI, MachineRegisterInfo &MRI,
MachineIRBuilder &B, bool IsFormat) const;
bool legalizeIntrinsic(MachineInstr &MI, MachineRegisterInfo &MRI,
MachineIRBuilder &B) const override;
};
} // End llvm namespace.
#endif
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