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LLVM: lib/Target/SPIRV/SPIRVPostLegalizer.cpp File Reference (original) (raw)

#include "[SPIRV.h](SPIRV%5F8h%5Fsource.html)"
#include "[SPIRVSubtarget.h](SPIRVSubtarget%5F8h%5Fsource.html)"
#include "[SPIRVUtils.h](SPIRVUtils%5F8h%5Fsource.html)"
#include "llvm/IR/IntrinsicsSPIRV.h"
#include "[llvm/Support/Debug.h](Support%5F2Debug%5F8h%5Fsource.html)"
#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, SPIRVType SpirvTy, SPIRVGlobalRegistry *GR, MachineIRBuilder &MIB, MachineRegisterInfo &MRI)
	Helper external function for assigning SPIRVType to a register, ensuring the register class and type are set in MRI.
void	llvm::processInstr (MachineInstr &MI, MachineIRBuilder &MIB, MachineRegisterInfo &MRI, SPIRVGlobalRegistry GR, SPIRVType KnownResType)
static SPIRVType *	deduceIntTypeFromResult (Register ResVReg, MachineIRBuilder &MIB, SPIRVGlobalRegistry *GR)
static bool	deduceAndAssignTypeForGUnmerge (MachineInstr I, MachineFunction &MF, SPIRVGlobalRegistry GR)
static SPIRVType *	deduceTypeFromSingleOperand (MachineInstr I, MachineIRBuilder &MIB, SPIRVGlobalRegistry GR, unsigned OpIdx)
static SPIRVType *	deduceTypeFromOperandRange (MachineInstr I, MachineIRBuilder &MIB, SPIRVGlobalRegistry GR, unsigned StartOp, unsigned EndOp)
static SPIRVType *	deduceTypeForResultRegister (MachineInstr Use, Register UseRegister, SPIRVGlobalRegistry GR, MachineIRBuilder &MIB)
static SPIRVType *	deduceTypeFromUses (Register Reg, MachineFunction &MF, SPIRVGlobalRegistry *GR, MachineIRBuilder &MIB)
static SPIRVType *	deduceResultTypeFromOperands (MachineInstr I, 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, SPIRVType ResultType, SPIRVGlobalRegistry GR, MachineRegisterInfo &MRI)
static void	ensureAssignTypeForTypeFolding (MachineFunction &MF, SPIRVGlobalRegistry *GR)
void	visit (MachineFunction &MF, MachineBasicBlock &Start, std::function< void(MachineBasicBlock *)> op)
void	visit (MachineFunction &MF, std::function< void(MachineBasicBlock *)> op)

◆ DEBUG_TYPE

#define DEBUG_TYPE "spirv-postlegalizer"

◆ deduceAndAssignSpirvType()

Definition at line 196 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()

Definition at line 53 of file SPIRVPostLegalizer.cpp.

References assert(), 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().

◆ deduceIntTypeFromResult()

◆ deduceResultTypeFromOperands()

◆ deduceTypeForResultRegister()

◆ deduceTypeFromOperandRange()

◆ deduceTypeFromSingleOperand()

◆ deduceTypeFromUses()

◆ ensureAssignTypeForTypeFolding()

Definition at line 364 of file SPIRVPostLegalizer.cpp.

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

◆ generateAssignType()

Definition at line 325 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()

◆ registerSpirvTypeForNewInstructions()

Definition at line 257 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(), I, llvm::LLT::isVector(), LLVM_DEBUG, MBB, MRI, llvm::SmallVectorTemplateBase< T, bool >::push_back(), requiresSpirvType(), and llvm::setRegClassType().

◆ requiresSpirvType()

◆ visit() [1/2]

◆ visit() [2/2]