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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 GCNSubtarget;
class MachineIRBuilder;
namespace AMDGPU {
struct ImageDimIntrinsicInfo;
}
/// This class provides the information for the target register banks.
class AMDGPULegalizerInfo final : public LegalizerInfo {
const GCNSubtarget &ST;
public:
AMDGPULegalizerInfo(const GCNSubtarget &ST,
const GCNTargetMachine &TM);
bool legalizeCustom(LegalizerHelper &Helper, MachineInstr &MI) 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 legalizeFrem(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 legalizeFPTOI(MachineInstr &MI, MachineRegisterInfo &MRI,
MachineIRBuilder &B, bool Signed) const;
bool legalizeMinNumMaxNum(LegalizerHelper &Helper, MachineInstr &MI) const;
bool legalizeExtractVectorElt(MachineInstr &MI, MachineRegisterInfo &MRI,
MachineIRBuilder &B) const;
bool legalizeInsertVectorElt(MachineInstr &MI, MachineRegisterInfo &MRI,
MachineIRBuilder &B) const;
bool legalizeShuffleVector(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, int64_t Offset,
unsigned GAFlags = SIInstrInfo::MO_NONE) const;
bool legalizeGlobalValue(MachineInstr &MI, MachineRegisterInfo &MRI,
MachineIRBuilder &B) const;
bool legalizeLoad(LegalizerHelper &Helper, MachineInstr &MI) const;
bool legalizeFMad(MachineInstr &MI, MachineRegisterInfo &MRI,
MachineIRBuilder &B) const;
bool legalizeAtomicCmpXChg(MachineInstr &MI, MachineRegisterInfo &MRI,
MachineIRBuilder &B) const;
bool legalizeFlog(MachineInstr &MI, MachineIRBuilder &B,
double Log2BaseInverted) const;
bool legalizeFExp(MachineInstr &MI, MachineIRBuilder &B) const;
bool legalizeFPow(MachineInstr &MI, MachineIRBuilder &B) const;
bool legalizeFFloor(MachineInstr &MI, MachineRegisterInfo &MRI,
MachineIRBuilder &B) const;
bool legalizeBuildVector(MachineInstr &MI, MachineRegisterInfo &MRI,
MachineIRBuilder &B) const;
bool legalizeCTLZ_CTTZ(MachineInstr &MI, MachineRegisterInfo &MRI,
MachineIRBuilder &B) const;
bool loadInputValue(Register DstReg, MachineIRBuilder &B,
const ArgDescriptor *Arg,
const TargetRegisterClass *ArgRC, LLT ArgTy) const;
bool loadInputValue(Register DstReg, MachineIRBuilder &B,
AMDGPUFunctionArgInfo::PreloadedValue ArgType) const;
bool legalizePreloadedArgIntrin(
MachineInstr &MI, MachineRegisterInfo &MRI, MachineIRBuilder &B,
AMDGPUFunctionArgInfo::PreloadedValue ArgType) const;
bool legalizeUnsignedDIV_REM(MachineInstr &MI, MachineRegisterInfo &MRI,
MachineIRBuilder &B) const;
void legalizeUnsignedDIV_REM32Impl(MachineIRBuilder &B, Register DstDivReg,
Register DstRemReg, Register Num,
Register Den) const;
void legalizeUnsignedDIV_REM64Impl(MachineIRBuilder &B, Register DstDivReg,
Register DstRemReg, Register Num,
Register Den) const;
bool legalizeSignedDIV_REM(MachineInstr &MI, MachineRegisterInfo &MRI,
MachineIRBuilder &B) 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 legalizeFastUnsafeFDIV64(MachineInstr &MI, MachineRegisterInfo &MRI,
MachineIRBuilder &B) const;
bool legalizeFDIVFastIntrin(MachineInstr &MI, MachineRegisterInfo &MRI,
MachineIRBuilder &B) const;
bool legalizeRsqClampIntrinsic(MachineInstr &MI, MachineRegisterInfo &MRI,
MachineIRBuilder &B) const;
bool legalizeDSAtomicFPIntrinsic(LegalizerHelper &Helper,
MachineInstr &MI, Intrinsic::ID IID) const;
bool getImplicitArgPtr(Register DstReg, 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;
std::pair<Register, unsigned> splitBufferOffsets(MachineIRBuilder &B,
Register OrigOffset) const;
void updateBufferMMO(MachineMemOperand *MMO, Register VOffset,
Register SOffset, unsigned ImmOffset, Register VIndex,
MachineRegisterInfo &MRI) const;
Register handleD16VData(MachineIRBuilder &B, MachineRegisterInfo &MRI,
Register Reg, bool ImageStore = false) const;
bool legalizeRawBufferStore(MachineInstr &MI, MachineRegisterInfo &MRI,
MachineIRBuilder &B, bool IsFormat) const;
bool legalizeRawBufferLoad(MachineInstr &MI, MachineRegisterInfo &MRI,
MachineIRBuilder &B, bool IsFormat) const;
Register fixStoreSourceType(MachineIRBuilder &B, Register VData,
bool IsFormat) const;
bool legalizeBufferStore(MachineInstr &MI, MachineRegisterInfo &MRI,
MachineIRBuilder &B, bool IsTyped,
bool IsFormat) const;
bool legalizeBufferLoad(MachineInstr &MI, MachineRegisterInfo &MRI,
MachineIRBuilder &B, bool IsFormat,
bool IsTyped) const;
bool legalizeBufferAtomic(MachineInstr &MI, MachineIRBuilder &B,
Intrinsic::ID IID) const;
bool legalizeBVHIntrinsic(MachineInstr &MI, MachineIRBuilder &B) const;
bool legalizeImageIntrinsic(
MachineInstr &MI, MachineIRBuilder &B,
GISelChangeObserver &Observer,
const AMDGPU::ImageDimIntrinsicInfo *ImageDimIntr) const;
bool legalizeSBufferLoad(LegalizerHelper &Helper, MachineInstr &MI) const;
bool legalizeAtomicIncDec(MachineInstr &MI, MachineIRBuilder &B,
bool IsInc) const;
bool legalizeTrapIntrinsic(MachineInstr &MI, MachineRegisterInfo &MRI,
MachineIRBuilder &B) const;
bool legalizeTrapEndpgm(MachineInstr &MI, MachineRegisterInfo &MRI,
MachineIRBuilder &B) const;
bool legalizeTrapHsaQueuePtr(MachineInstr &MI, MachineRegisterInfo &MRI,
MachineIRBuilder &B) const;
bool legalizeTrapHsa(MachineInstr &MI, MachineRegisterInfo &MRI,
MachineIRBuilder &B) const;
bool legalizeDebugTrapIntrinsic(MachineInstr &MI, MachineRegisterInfo &MRI,
MachineIRBuilder &B) const;
bool legalizeIntrinsic(LegalizerHelper &Helper,
MachineInstr &MI) const override;
};
} // End llvm namespace.
#endif
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