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//===- AMDGPUInstructionSelector --------------------------------*- C++ -*-==//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
/// \file
/// This file declares the targeting of the InstructionSelector class for
/// AMDGPU.
//===----------------------------------------------------------------------===//
#ifndef LLVM_LIB_TARGET_AMDGPU_AMDGPUINSTRUCTIONSELECTOR_H
#define LLVM_LIB_TARGET_AMDGPU_AMDGPUINSTRUCTIONSELECTOR_H
#include "AMDGPU.h"
#include "llvm/ADT/ArrayRef.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/CodeGen/GlobalISel/InstructionSelector.h"
namespace llvm {
class AMDGPUInstrInfo;
class AMDGPURegisterBankInfo;
class MachineInstr;
class MachineOperand;
class MachineRegisterInfo;
class SIInstrInfo;
class SIRegisterInfo;
class SISubtarget;
class AMDGPUInstructionSelector : public InstructionSelector {
public:
AMDGPUInstructionSelector(const SISubtarget &STI,
const AMDGPURegisterBankInfo &RBI);
bool select(MachineInstr &I) const override;
private:
struct GEPInfo {
const MachineInstr &GEP;
SmallVector<unsigned, 2> SgprParts;
SmallVector<unsigned, 2> VgprParts;
int64_t Imm;
GEPInfo(const MachineInstr &GEP) : GEP(GEP), Imm(0) { }
};
MachineOperand getSubOperand64(MachineOperand &MO, unsigned SubIdx) const;
bool selectG_CONSTANT(MachineInstr &I) const;
bool selectG_ADD(MachineInstr &I) const;
bool selectG_GEP(MachineInstr &I) const;
bool hasVgprParts(ArrayRef<GEPInfo> AddrInfo) const;
void getAddrModeInfo(const MachineInstr &Load, const MachineRegisterInfo &MRI,
SmallVectorImpl<GEPInfo> &AddrInfo) const;
bool selectSMRD(MachineInstr &I, ArrayRef<GEPInfo> AddrInfo) const;
bool selectG_LOAD(MachineInstr &I) const;
bool selectG_STORE(MachineInstr &I) const;
const SIInstrInfo &TII;
const SIRegisterInfo &TRI;
const AMDGPURegisterBankInfo &RBI;
protected:
AMDGPUAS AMDGPUASI;
};
} // End llvm namespace.
#endif
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