SPIRVPostLegalizer.cpp File Reference

#include "SPIRV.h"
#include "SPIRVSubtarget.h"
#include "SPIRVUtils.h"
#include "llvm/CodeGen/GlobalISel/GenericMachineInstrs.h"
#include "llvm/CodeGen/MachineFrameInfo.h"
#include "llvm/IR/IntrinsicsSPIRV.h"
#include "llvm/Support/Debug.h"
#include <stack>

Go to the source code of this file.

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

Macros
#define	DEBUG_TYPE   "spirv-postlegalizer"

Functions
void	llvm::updateRegType (Register Reg, Type *Ty, SPIRVTypeInst SpirvTy, SPIRVGlobalRegistry *GR, MachineIRBuilder &MIB, MachineRegisterInfo &MRI)
	Helper external function for assigning a SPIRV type to a register, ensuring the register class and type are set in MRI.
void	llvm::processInstr (MachineInstr &MI, MachineIRBuilder &MIB, MachineRegisterInfo &MRI, SPIRVGlobalRegistry *GR, SPIRVTypeInst KnownResType)
static SPIRVTypeInst	deduceIntTypeFromResult (Register ResVReg, MachineIRBuilder &MIB, SPIRVGlobalRegistry *GR)
static SPIRVTypeInst	deduceTypeFromSingleOperand (MachineInstr *I, MachineIRBuilder &MIB, SPIRVGlobalRegistry *GR, unsigned OpIdx)
static SPIRVTypeInst	deduceTypeFromOperandRange (MachineInstr *I, MachineIRBuilder &MIB, SPIRVGlobalRegistry *GR, unsigned StartOp, unsigned EndOp)
static SPIRVTypeInst	deduceTypeFromResultRegister (MachineInstr *Use, Register UseRegister, SPIRVGlobalRegistry *GR, MachineIRBuilder &MIB)
static SPIRVTypeInst	deducePointerTypeFromResultRegister (MachineInstr *Use, Register UseRegister, SPIRVGlobalRegistry *GR, MachineIRBuilder &MIB)
static SPIRVTypeInst	deduceTypeFromPointerOperand (MachineInstr *Use, Register UseRegister, SPIRVGlobalRegistry *GR, MachineIRBuilder &MIB)
static SPIRVTypeInst	deduceTypeFromUses (Register Reg, MachineFunction &MF, SPIRVGlobalRegistry *GR, MachineIRBuilder &MIB)
static SPIRVTypeInst	deduceGEPType (MachineInstr *I, SPIRVGlobalRegistry *GR, MachineIRBuilder &MIB)
static SPIRVTypeInst	deduceResultTypeFromOperands (MachineInstr *I, SPIRVGlobalRegistry *GR, MachineIRBuilder &MIB)
static bool	deduceAndAssignTypeForGUnmerge (MachineInstr *I, MachineFunction &MF, SPIRVGlobalRegistry *GR, MachineIRBuilder &MIB)
static bool	deduceAndAssignSpirvType (MachineInstr *I, MachineFunction &MF, SPIRVGlobalRegistry *GR, MachineIRBuilder &MIB)
static bool	requiresSpirvType (MachineInstr &I, SPIRVGlobalRegistry *GR, MachineRegisterInfo &MRI)
static void	registerSpirvTypeForNewInstructions (MachineFunction &MF, SPIRVGlobalRegistry *GR)
static bool	hasAssignType (Register Reg, MachineRegisterInfo &MRI)
static void	generateAssignType (MachineInstr &MI, Register ResultRegister, SPIRVTypeInst ResultType, SPIRVGlobalRegistry *GR, MachineRegisterInfo &MRI)
static void	ensureAssignTypeForTypeFolding (MachineFunction &MF, SPIRVGlobalRegistry *GR)

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "spirv-postlegalizer"

Definition at line 25 of file SPIRVPostLegalizer.cpp.

Function Documentation

deduceAndAssignSpirvType()

bool deduceAndAssignSpirvType ( MachineInstr * I, MachineFunction & MF, SPIRVGlobalRegistry * GR, MachineIRBuilder & MIB )

static

Definition at line 348 of file SPIRVPostLegalizer.cpp.

References llvm::SPIRVGlobalRegistry::assignSPIRVTypeToVReg(), llvm::SPIRVGlobalRegistry::CurMF, llvm::dbgs(), deduceAndAssignTypeForGUnmerge(), deduceResultTypeFromOperands(), deduceTypeFromUses(), llvm::MachineFunction::getRegInfo(), I, LLVM_DEBUG, MRI, and llvm::setRegClassType().

Referenced by registerSpirvTypeForNewInstructions().

deduceAndAssignTypeForGUnmerge()

bool deduceAndAssignTypeForGUnmerge ( MachineInstr * I, MachineFunction & MF, SPIRVGlobalRegistry * GR, MachineIRBuilder & MIB )

static

Definition at line 304 of file SPIRVPostLegalizer.cpp.

References assert(), deduceTypeFromUses(), llvm::SPIRVSubtarget::getInstrInfo(), llvm::LLT::getNumElements(), llvm::SPIRVGlobalRegistry::getOrCreateSPIRVVectorType(), llvm::MachineFunction::getRegInfo(), llvm::SPIRVGlobalRegistry::getScalarOrVectorComponentType(), llvm::SPIRVGlobalRegistry::getSPIRVTypeForVReg(), llvm::MachineFunction::getSubtarget(), I, llvm::LLT::isVector(), MRI, and llvm::setRegClassType().

Referenced by deduceAndAssignSpirvType().

deduceGEPType()

SPIRVTypeInst deduceGEPType ( MachineInstr * I, SPIRVGlobalRegistry * GR, MachineIRBuilder & MIB )

static

Definition at line 199 of file SPIRVPostLegalizer.cpp.

References llvm::dbgs(), llvm::foldImm(), llvm::MachineIRBuilder::getMRI(), llvm::MachineInstr::getNumOperands(), llvm::MachineInstr::getOpcode(), llvm::MachineInstr::getOperand(), llvm::SPIRVGlobalRegistry::getOrCreateSPIRVPointerType(), llvm::SPIRVGlobalRegistry::getPointeeType(), llvm::SPIRVGlobalRegistry::getPointerStorageClass(), llvm::MachineOperand::getReg(), llvm::SPIRVGlobalRegistry::getSPIRVTypeForVReg(), I, llvm::MachineOperand::isReg(), LLVM_DEBUG, and MRI.

Referenced by deduceResultTypeFromOperands().

deduceIntTypeFromResult()

SPIRVTypeInst deduceIntTypeFromResult ( Register ResVReg, MachineIRBuilder & MIB, SPIRVGlobalRegistry * GR )

static

Definition at line 48 of file SPIRVPostLegalizer.cpp.

References llvm::MachineIRBuilder::getMRI(), llvm::SPIRVGlobalRegistry::getOrCreateSPIRVIntegerType(), and llvm::MachineRegisterInfo::getType().

Referenced by deduceResultTypeFromOperands().

deducePointerTypeFromResultRegister()

SPIRVTypeInst deducePointerTypeFromResultRegister ( MachineInstr * Use, Register UseRegister, SPIRVGlobalRegistry * GR, MachineIRBuilder & MIB )

static

Definition at line 113 of file SPIRVPostLegalizer.cpp.

References assert(), llvm::SPIRVGlobalRegistry::getOrCreateSPIRVPointerType(), and llvm::SPIRVGlobalRegistry::getSPIRVTypeForVReg().

Referenced by deduceTypeFromUses().

deduceResultTypeFromOperands()

SPIRVTypeInst deduceResultTypeFromOperands ( MachineInstr * I, SPIRVGlobalRegistry * GR, MachineIRBuilder & MIB )

static

Definition at line 271 of file SPIRVPostLegalizer.cpp.

References llvm::cast(), deduceGEPType(), deduceIntTypeFromResult(), deduceTypeFromOperandRange(), deduceTypeFromSingleOperand(), llvm::SPIRVGlobalRegistry::getPointeeType(), and I.

Referenced by deduceAndAssignSpirvType().

deduceTypeFromOperandRange()

SPIRVTypeInst deduceTypeFromOperandRange ( MachineInstr * I, MachineIRBuilder & MIB, SPIRVGlobalRegistry * GR, unsigned StartOp, unsigned EndOp )

static

Definition at line 73 of file SPIRVPostLegalizer.cpp.

References assert(), deduceTypeFromSingleOperand(), and I.

Referenced by deduceResultTypeFromOperands().

deduceTypeFromPointerOperand()

SPIRVTypeInst deduceTypeFromPointerOperand ( MachineInstr * Use, Register UseRegister, SPIRVGlobalRegistry * GR, MachineIRBuilder & MIB )

static

Definition at line 128 of file SPIRVPostLegalizer.cpp.

References assert(), llvm::SPIRVGlobalRegistry::getPointeeType(), and llvm::SPIRVGlobalRegistry::getSPIRVTypeForVReg().

Referenced by deduceTypeFromUses().

deduceTypeFromResultRegister()

SPIRVTypeInst deduceTypeFromResultRegister ( MachineInstr * Use, Register UseRegister, SPIRVGlobalRegistry * GR, MachineIRBuilder & MIB )

static

Definition at line 92 of file SPIRVPostLegalizer.cpp.

References llvm::MachineIRBuilder::getMRI(), llvm::LLT::getNumElements(), llvm::SPIRVGlobalRegistry::getOrCreateSPIRVVectorType(), llvm::SPIRVGlobalRegistry::getScalarOrVectorComponentType(), llvm::SPIRVGlobalRegistry::getSPIRVTypeForVReg(), llvm::MachineRegisterInfo::getType(), and llvm::LLT::isVector().

Referenced by deduceTypeFromUses().

deduceTypeFromSingleOperand()

SPIRVTypeInst deduceTypeFromSingleOperand ( MachineInstr * I, MachineIRBuilder & MIB, SPIRVGlobalRegistry * GR, unsigned OpIdx )

static

Definition at line 55 of file SPIRVPostLegalizer.cpp.

References llvm::MachineIRBuilder::getMRI(), llvm::LLT::getNumElements(), llvm::SPIRVGlobalRegistry::getOrCreateSPIRVVectorType(), llvm::SPIRVGlobalRegistry::getScalarOrVectorComponentType(), llvm::SPIRVGlobalRegistry::getSPIRVTypeForVReg(), llvm::MachineRegisterInfo::getType(), I, llvm::LLT::isVector(), and OpIdx.

Referenced by deduceResultTypeFromOperands(), and deduceTypeFromOperandRange().

deduceTypeFromUses()

SPIRVTypeInst deduceTypeFromUses ( Register Reg, MachineFunction & MF, SPIRVGlobalRegistry * GR, MachineIRBuilder & MIB )

static

Definition at line 143 of file SPIRVPostLegalizer.cpp.

References llvm::cast(), llvm::dbgs(), deducePointerTypeFromResultRegister(), deduceTypeFromPointerOperand(), deduceTypeFromResultRegister(), llvm::MachineFunction::getRegInfo(), LLVM_DEBUG, MRI, and Reg.

Referenced by deduceAndAssignSpirvType(), and deduceAndAssignTypeForGUnmerge().

ensureAssignTypeForTypeFolding()

void ensureAssignTypeForTypeFolding ( MachineFunction & MF, SPIRVGlobalRegistry * GR )

static

Definition at line 520 of file SPIRVPostLegalizer.cpp.

References llvm::dbgs(), generateAssignType(), llvm::MachineFunction::getName(), llvm::MachineFunction::getRegInfo(), llvm::SPIRVGlobalRegistry::getSPIRVTypeForVReg(), hasAssignType(), llvm::isTypeFoldingSupported(), LLVM_DEBUG, MBB, MI, and MRI.

generateAssignType()

void generateAssignType ( MachineInstr & MI, Register ResultRegister, SPIRVTypeInst ResultType, SPIRVGlobalRegistry * GR, MachineRegisterInfo & MRI )

static

Definition at line 480 of file SPIRVPostLegalizer.cpp.

References llvm::MachineInstrBuilder::addDef(), llvm::MachineInstrBuilder::addUse(), llvm::SPIRVGlobalRegistry::assignSPIRVTypeToVReg(), llvm::MachineIRBuilder::buildInstr(), llvm::dbgs(), E(), llvm::MachineIRBuilder::getMF(), llvm::MachineOperand::getReg(), llvm::SPIRVGlobalRegistry::getRegClass(), llvm::SPIRVGlobalRegistry::getSPIRVTypeID(), I, LLVM_DEBUG, MI, MRI, llvm::printReg(), llvm::MachineInstrBuilder::setMIFlags(), llvm::MachineOperand::setReg(), and llvm::updateRegType().

Referenced by ensureAssignTypeForTypeFolding().

hasAssignType()

bool hasAssignType ( Register Reg, MachineRegisterInfo & MRI )

static

Definition at line 471 of file SPIRVPostLegalizer.cpp.

References MRI, and Reg.

Referenced by ensureAssignTypeForTypeFolding().

registerSpirvTypeForNewInstructions()

void registerSpirvTypeForNewInstructions ( MachineFunction & MF, SPIRVGlobalRegistry * GR )

static

Definition at line 409 of file SPIRVPostLegalizer.cpp.

References Changed, llvm::dbgs(), deduceAndAssignSpirvType(), llvm::SmallVectorTemplateCommon< T, typename >::empty(), llvm::LLT::getElementType(), llvm::LLT::getNumElements(), llvm::SPIRVGlobalRegistry::getOrCreateSPIRVIntegerType(), llvm::SPIRVGlobalRegistry::getOrCreateSPIRVVectorType(), llvm::MachineFunction::getRegInfo(), llvm::LLT::getSizeInBits(), llvm::SPIRVGlobalRegistry::getSPIRVTypeForVReg(), I, llvm::LLT::isVector(), LLVM_DEBUG, MBB, MRI, llvm::SmallVectorTemplateBase< T, bool >::push_back(), requiresSpirvType(), and llvm::setRegClassType().

requiresSpirvType()

bool requiresSpirvType ( MachineInstr & I, SPIRVGlobalRegistry * GR, MachineRegisterInfo & MRI )

static

Definition at line 381 of file SPIRVPostLegalizer.cpp.

References llvm::SPIRVGlobalRegistry::CurMF, llvm::dbgs(), llvm::SPIRVGlobalRegistry::getSPIRVTypeForVReg(), I, LLVM_DEBUG, MRI, and llvm::setRegClassType().

Referenced by registerSpirvTypeForNewInstructions().