MipsRegisterBankInfo.cpp File Reference

This file implements the targeting of the RegisterBankInfo class for Mips. More...

#include "MipsRegisterBankInfo.h"
#include "MipsInstrInfo.h"
#include "MipsTargetMachine.h"
#include "llvm/CodeGen/GlobalISel/GISelChangeObserver.h"
#include "llvm/CodeGen/GlobalISel/LegalizationArtifactCombiner.h"
#include "llvm/CodeGen/GlobalISel/LegalizerHelper.h"
#include "llvm/CodeGen/MachineRegisterInfo.h"
#include "MipsGenRegisterBank.inc"

Go to the source code of this file.

Namespaces
namespace	llvm
	This is an optimization pass for GlobalISel generic memory operations.
namespace	llvm::Mips

Macros
#define	GET_TARGET_REGBANK_IMPL

Typedefs
using	InstListTy = GISelWorkList< 4 >

Enumerations
enum	llvm::Mips::PartialMappingIdx {   llvm::Mips::PMI_GPR , llvm::Mips::PMI_SPR , llvm::Mips::PMI_DPR , llvm::Mips::PMI_MSA ,   llvm::Mips::PMI_Min = PMI_GPR }
enum	llvm::Mips::ValueMappingIdx {   llvm::Mips::InvalidIdx = 0 , llvm::Mips::GPRIdx = 1 , llvm::Mips::SPRIdx = 4 , llvm::Mips::DPRIdx = 7 ,   llvm::Mips::MSAIdx = 10 }

Functions
static bool	isFloatingPointOpcodeUse (unsigned Opc)
static bool	isFloatingPointOpcodeDef (unsigned Opc)
static bool	isGprbTwoInstrUnalignedLoadOrStore (const MachineInstr *MI)
static bool	isAmbiguous (unsigned Opc)
static const MipsRegisterBankInfo::ValueMapping *	getMSAMapping (const MachineFunction &MF)
static const MipsRegisterBankInfo::ValueMapping *	getFprbMapping (unsigned Size)
static const MipsRegisterBankInfo::ValueMapping *	getGprbOrCustomMapping (unsigned Size, unsigned &MappingID)
static void	combineAwayG_UNMERGE_VALUES (LegalizationArtifactCombiner &ArtCombiner, GUnmerge &MI, GISelChangeObserver &Observer)

Variables
const RegisterBankInfo::PartialMapping	llvm::Mips::PartMappings []
const RegisterBankInfo::ValueMapping	llvm::Mips::ValueMappings []
static const unsigned	CustomMappingID = 1

Detailed Description

This file implements the targeting of the RegisterBankInfo class for Mips.

Todo:

This should be generated by TableGen.

Definition in file MipsRegisterBankInfo.cpp.

Macro Definition Documentation

GET_TARGET_REGBANK_IMPL

#define GET_TARGET_REGBANK_IMPL

Definition at line 21 of file MipsRegisterBankInfo.cpp.

Typedef Documentation

InstListTy

using InstListTy = GISelWorkList<4>

Definition at line 626 of file MipsRegisterBankInfo.cpp.

Function Documentation

combineAwayG_UNMERGE_VALUES()

static void combineAwayG_UNMERGE_VALUES ( LegalizationArtifactCombiner &  ArtCombiner, GUnmerge &  MI, GISelChangeObserver &  Observer  )

static

Definition at line 674 of file MipsRegisterBankInfo.cpp.

References MI, and llvm::LegalizationArtifactCombiner::tryCombineUnmergeValues().

Referenced by llvm::MipsRegisterBankInfo::applyMappingImpl().

getFprbMapping()

static const MipsRegisterBankInfo::ValueMapping * getFprbMapping ( unsigned  Size )

static

Definition at line 357 of file MipsRegisterBankInfo.cpp.

References llvm::Mips::DPRIdx, Size, llvm::Mips::SPRIdx, and llvm::Mips::ValueMappings.

Referenced by llvm::MipsRegisterBankInfo::getInstrMapping().

getGprbOrCustomMapping()

static const MipsRegisterBankInfo::ValueMapping * getGprbOrCustomMapping ( unsigned  Size, unsigned &  MappingID  )

static

Definition at line 367 of file MipsRegisterBankInfo.cpp.

References CustomMappingID, llvm::Mips::DPRIdx, llvm::Mips::GPRIdx, Size, and llvm::Mips::ValueMappings.

Referenced by llvm::MipsRegisterBankInfo::getInstrMapping().

getMSAMapping()

static const MipsRegisterBankInfo::ValueMapping * getMSAMapping ( const MachineFunction &  MF )

static

Definition at line 351 of file MipsRegisterBankInfo.cpp.

References assert(), llvm::MachineFunction::getSubtarget(), llvm::MipsSubtarget::hasMSA(), llvm::Mips::MSAIdx, and llvm::Mips::ValueMappings.

Referenced by llvm::MipsRegisterBankInfo::getInstrMapping().

isAmbiguous()

static bool isAmbiguous ( unsigned  Opc )

static

Definition at line 116 of file MipsRegisterBankInfo.cpp.

isFloatingPointOpcodeDef()

static bool isFloatingPointOpcodeDef ( unsigned  Opc )

static

Definition at line 93 of file MipsRegisterBankInfo.cpp.

References llvm::isPreISelGenericFloatingPointOpcode().

isFloatingPointOpcodeUse()

static bool isFloatingPointOpcodeUse ( unsigned  Opc )

static

Definition at line 80 of file MipsRegisterBankInfo.cpp.

References llvm::isPreISelGenericFloatingPointOpcode().

isGprbTwoInstrUnalignedLoadOrStore()

static bool isGprbTwoInstrUnalignedLoadOrStore ( const MachineInstr *  MI )

static

Definition at line 103 of file MipsRegisterBankInfo.cpp.

References MI, and llvm::MipsSubtarget::systemSupportsUnalignedAccess().

Variable Documentation

CustomMappingID

const unsigned CustomMappingID = 1

static

Definition at line 362 of file MipsRegisterBankInfo.cpp.