SPIRVPreLegalizer.cpp File Reference

#include "SPIRV.h"
#include "SPIRVSubtarget.h"
#include "SPIRVUtils.h"
#include "llvm/ADT/PostOrderIterator.h"
#include "llvm/Analysis/OptimizationRemarkEmitter.h"
#include "llvm/IR/Attributes.h"
#include "llvm/IR/Constants.h"
#include "llvm/IR/DebugInfoMetadata.h"
#include "llvm/IR/IntrinsicsSPIRV.h"
#include "llvm/Target/TargetIntrinsicInfo.h"

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-prelegalizer"

Functions
static void	addConstantsToTrack (MachineFunction &MF, SPIRVGlobalRegistry *GR)
static void	foldConstantsIntoIntrinsics (MachineFunction &MF)
static void	insertBitcasts (MachineFunction &MF, SPIRVGlobalRegistry *GR, MachineIRBuilder MIB)
static SPIRVType *	propagateSPIRVType (MachineInstr *MI, SPIRVGlobalRegistry *GR, MachineRegisterInfo &MRI, MachineIRBuilder &MIB)
Register	llvm::insertAssignInstr (Register Reg, Type *Ty, SPIRVType *SpirvTy, SPIRVGlobalRegistry *GR, MachineIRBuilder &MIB, MachineRegisterInfo &MRI)
	Helper external function for inserting ASSIGN_TYPE instuction between Reg and its definition, set the new register as a destination of the definition, assign SPIRVType to both registers.
static void	generateAssignInstrs (MachineFunction &MF, SPIRVGlobalRegistry *GR, MachineIRBuilder MIB)
static std::pair< Register, unsigned >	createNewIdReg (Register ValReg, unsigned Opcode, MachineRegisterInfo &MRI, const SPIRVGlobalRegistry &GR)
static void	processInstr (MachineInstr &MI, MachineIRBuilder &MIB, MachineRegisterInfo &MRI, SPIRVGlobalRegistry *GR)
bool	isTypeFoldingSupported (unsigned Opcode)
static void	processInstrsWithTypeFolding (MachineFunction &MF, SPIRVGlobalRegistry *GR, MachineIRBuilder MIB)
static void	processSwitches (MachineFunction &MF, SPIRVGlobalRegistry *GR, MachineIRBuilder MIB)

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "spirv-prelegalizer"

Definition at line 26 of file SPIRVPreLegalizer.cpp.

Function Documentation

addConstantsToTrack()

static void addConstantsToTrack ( MachineFunction &  MF, SPIRVGlobalRegistry *  GR  )

static

Definition at line 41 of file SPIRVPreLegalizer.cpp.

References llvm::SPIRVGlobalRegistry::add(), assert(), llvm::DenseMapBase< DerivedT, KeyT, ValueT, KeyInfoT, BucketT >::end(), llvm::SPIRVGlobalRegistry::find(), llvm::DenseMapBase< DerivedT, KeyT, ValueT, KeyInfoT, BucketT >::find(), llvm::MachineFunction::getRegInfo(), llvm::isSpvIntrinsic(), MBB, MI, MRI, and llvm::SmallVectorTemplateBase< T, bool >::push_back().

createNewIdReg()

static std::pair< Register, unsigned > createNewIdReg ( Register  ValReg, unsigned  Opcode, MachineRegisterInfo &  MRI, const SPIRVGlobalRegistry &  GR  )

static

Definition at line 309 of file SPIRVPreLegalizer.cpp.

References assert(), llvm::LLT::fixed_vector(), llvm::MachineInstr::getOpcode(), llvm::MachineInstr::getOperand(), llvm::MachineOperand::getReg(), llvm::SPIRVGlobalRegistry::getSPIRVTypeForVReg(), MRI, llvm::LLT::pointer(), and llvm::LLT::scalar().

Referenced by processInstr().

foldConstantsIntoIntrinsics()

static void foldConstantsIntoIntrinsics ( MachineFunction &  MF )

static

Definition at line 98 of file SPIRVPreLegalizer.cpp.

References assert(), llvm::MachineOperand::CreateImm(), llvm::MachineOperand::getCImm(), llvm::MachineInstr::getOpcode(), llvm::MachineInstr::getOperand(), llvm::MachineOperand::getReg(), llvm::MachineFunction::getRegInfo(), llvm::ConstantInt::getZExtValue(), llvm::isSpvIntrinsic(), MBB, MI, MRI, and llvm::SmallVectorTemplateBase< T, bool >::push_back().

generateAssignInstrs()

static void generateAssignInstrs ( MachineFunction &  MF, SPIRVGlobalRegistry *  GR, MachineIRBuilder  MIB  )

static

Definition at line 231 of file SPIRVPreLegalizer.cpp.

References assert(), llvm::MachineBasicBlock::begin(), llvm::MachineBasicBlock::empty(), llvm::MachineBasicBlock::end(), llvm::MachineOperand::getCImm(), llvm::MachineOperand::getFPImm(), llvm::getMDOperandAsType(), llvm::MachineInstr::getOpcode(), llvm::MachineInstr::getOperand(), llvm::MachineFunction::getRegInfo(), llvm::ConstantInt::getType(), llvm::Value::getType(), llvm::insertAssignInstr(), llvm::isSpvIntrinsic(), llvm_unreachable, MBB, MI, MRI, llvm::post_order(), propagateSPIRVType(), llvm::SmallVectorTemplateBase< T, bool >::push_back(), and UseMI.

insertBitcasts()

static void insertBitcasts ( MachineFunction &  MF, SPIRVGlobalRegistry *  GR, MachineIRBuilder  MIB  )

static

Definition at line 123 of file SPIRVPreLegalizer.cpp.

References assert(), llvm::MachineIRBuilder::buildBitcast(), llvm::isSpvIntrinsic(), MBB, MI, llvm::SmallVectorTemplateBase< T, bool >::push_back(), and llvm::MachineIRBuilder::setInsertPt().

isTypeFoldingSupported()

bool isTypeFoldingSupported

(

unsigned

Opcode

)

Definition at line 53 of file SPIRVLegalizerInfo.cpp.

Referenced by processInstrsWithTypeFolding().

processInstr()

static void processInstr ( MachineInstr &  MI, MachineIRBuilder &  MIB, MachineRegisterInfo &  MRI, SPIRVGlobalRegistry *  GR  )

static

Definition at line 336 of file SPIRVPreLegalizer.cpp.

References llvm::MachineInstrBuilder::addDef(), llvm::MachineInstrBuilder::addUse(), assert(), llvm::MachineIRBuilder::buildInstr(), createNewIdReg(), llvm::MachineInstr::getOperand(), MI, MRI, llvm::MachineIRBuilder::setInsertPt(), and llvm::MachineOperand::setReg().

Referenced by processInstrsWithTypeFolding().

processInstrsWithTypeFolding()

static void processInstrsWithTypeFolding ( MachineFunction &  MF, SPIRVGlobalRegistry *  GR, MachineIRBuilder  MIB  )

static

Definition at line 360 of file SPIRVPreLegalizer.cpp.

References llvm::MachineFunction::getRegInfo(), isTypeFoldingSupported(), MBB, MI, MRI, processInstr(), llvm::LLT::scalar(), and UseMI.

processSwitches()

static void processSwitches ( MachineFunction &  MF, SPIRVGlobalRegistry *  GR, MachineIRBuilder  MIB  )

static

Definition at line 396 of file SPIRVPreLegalizer.cpp.

References assert(), CC, llvm::detail::DenseSetImpl< ValueT, MapTy, ValueInfoT >::contains(), llvm::MachineOperand::CreateCImm(), llvm::MachineOperand::CreateMBB(), llvm::MachineBasicBlock::empty(), llvm::MachineBasicBlock::eraseFromParent(), llvm::MachineBasicBlock::front(), llvm::MachineOperand::getCImm(), llvm::getDefInstrMaybeConstant(), llvm::getIConstVal(), llvm::MachineOperand::getMBB(), llvm::ilist_node_with_parent< NodeTy, ParentTy, Options >::getNextNode(), llvm::MachineInstr::getOpcode(), llvm::MachineInstr::getOperand(), llvm::MachineOperand::getPredicate(), llvm::MachineOperand::getReg(), llvm::MachineFunction::getRegInfo(), llvm::CmpInst::ICMP_EQ, llvm::CmpInst::ICMP_ULE, llvm::detail::DenseSetImpl< ValueT, MapTy, ValueInfoT >::insert(), llvm::MachineOperand::isMBB(), llvm::MachineOperand::isReg(), llvm::isSpvIntrinsic(), MBB, MI, MRI, llvm::MachineBasicBlock::pred_begin(), llvm::MachineBasicBlock::pred_empty(), llvm::SmallVectorTemplateBase< T, bool >::push_back(), llvm::MachineBasicBlock::removeSuccessor(), llvm::SmallVectorBase< Size_T >::size(), llvm::MachineBasicBlock::succ_begin(), and llvm::MachineBasicBlock::succ_empty().

propagateSPIRVType()

static SPIRVType * propagateSPIRVType ( MachineInstr *  MI, SPIRVGlobalRegistry *  GR, MachineRegisterInfo &  MRI, MachineIRBuilder &  MIB  )

static

Definition at line 148 of file SPIRVPreLegalizer.cpp.

References assert(), llvm::SPIRVGlobalRegistry::assignSPIRVTypeToVReg(), llvm::MachineIRBuilder::getMF(), llvm::SPIRVGlobalRegistry::getOrCreateSPIRVType(), llvm::SPIRVGlobalRegistry::getSPIRVTypeForVReg(), MI, MRI, propagateSPIRVType(), and llvm::MachineIRBuilder::setInsertPt().

Referenced by generateAssignInstrs(), and propagateSPIRVType().