SPIRVInstructionSelector.cpp File Reference

#include "MCTargetDesc/SPIRVBaseInfo.h"
#include "MCTargetDesc/SPIRVMCTargetDesc.h"
#include "SPIRV.h"
#include "SPIRVGlobalRegistry.h"
#include "SPIRVInstrInfo.h"
#include "SPIRVRegisterBankInfo.h"
#include "SPIRVRegisterInfo.h"
#include "SPIRVTargetMachine.h"
#include "SPIRVUtils.h"
#include "llvm/ADT/APFloat.h"
#include "llvm/ADT/StringExtras.h"
#include "llvm/CodeGen/GlobalISel/GIMatchTableExecutorImpl.h"
#include "llvm/CodeGen/GlobalISel/GenericMachineInstrs.h"
#include "llvm/CodeGen/GlobalISel/InstructionSelector.h"
#include "llvm/CodeGen/MachineInstrBuilder.h"
#include "llvm/CodeGen/MachineModuleInfoImpls.h"
#include "llvm/CodeGen/MachineRegisterInfo.h"
#include "llvm/CodeGen/Register.h"
#include "llvm/CodeGen/TargetOpcodes.h"
#include "llvm/IR/IntrinsicsSPIRV.h"
#include "llvm/Support/Debug.h"
#include "SPIRVGenGlobalISel.inc"

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-isel"
#define	GET_GLOBALISEL_PREDICATE_BITSET
#define	GET_GLOBALISEL_PREDICATES_DECL
#define	GET_GLOBALISEL_TEMPORARIES_DECL
#define	GET_GLOBALISEL_IMPL
#define	GET_GLOBALISEL_PREDICATES_INIT
#define	GET_GLOBALISEL_TEMPORARIES_INIT

Typedefs
using	ExtInstList = std::vector< std::pair< SPIRV::InstructionSet::InstructionSet, uint32_t > >

Functions
static bool	isImm (const MachineOperand &MO, MachineRegisterInfo *MRI)
bool	isTypeFoldingSupported (unsigned Opcode)
bool	isDead (const MachineInstr &MI, const MachineRegisterInfo &MRI)
static bool	mayApplyGenericSelection (unsigned Opcode)
static void	addMemoryOperands (MachineMemOperand *MemOp, MachineInstrBuilder &MIB)
static void	addMemoryOperands (uint64_t Flags, MachineInstrBuilder &MIB)
static bool	isGenericCastablePtr (SPIRV::StorageClass::StorageClass SC)
static bool	isUSMStorageClass (SPIRV::StorageClass::StorageClass SC)
static bool	isASCastInGVar (MachineRegisterInfo *MRI, Register ResVReg)
static unsigned	getFCmpOpcode (unsigned PredNum)
static unsigned	getICmpOpcode (unsigned PredNum)
static unsigned	getPtrCmpOpcode (unsigned Pred)
static unsigned	getBoolCmpOpcode (unsigned PredNum)
static APFloat	getZeroFP (const Type *LLVMFloatTy)
static APFloat	getOneFP (const Type *LLVMFloatTy)
static unsigned	getArrayComponentCount (MachineRegisterInfo *MRI, const SPIRVType *ResType)
static bool	isConstReg (MachineRegisterInfo *MRI, SPIRVType *OpDef, SmallPtrSet< SPIRVType *, 4 > &Visited)
static bool	isConstReg (MachineRegisterInfo *MRI, Register OpReg)
static int64_t	foldImm (const MachineOperand &MO, MachineRegisterInfo *MRI)
InstructionSelector *	llvm::createSPIRVInstructionSelector (const SPIRVTargetMachine &TM, const SPIRVSubtarget &Subtarget, const RegisterBankInfo &RBI)

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "spirv-isel"

Definition at line 37 of file SPIRVInstructionSelector.cpp.

GET_GLOBALISEL_IMPL

#define GET_GLOBALISEL_IMPL

Definition at line 318 of file SPIRVInstructionSelector.cpp.

GET_GLOBALISEL_PREDICATE_BITSET

#define GET_GLOBALISEL_PREDICATE_BITSET

Definition at line 48 of file SPIRVInstructionSelector.cpp.

GET_GLOBALISEL_PREDICATES_DECL

#define GET_GLOBALISEL_PREDICATES_DECL

Definition at line 77 of file SPIRVInstructionSelector.cpp.

GET_GLOBALISEL_PREDICATES_INIT

#define GET_GLOBALISEL_PREDICATES_INIT

GET_GLOBALISEL_TEMPORARIES_DECL

#define GET_GLOBALISEL_TEMPORARIES_DECL

Definition at line 81 of file SPIRVInstructionSelector.cpp.

GET_GLOBALISEL_TEMPORARIES_INIT

#define GET_GLOBALISEL_TEMPORARIES_INIT

Typedef Documentation

ExtInstList

using ExtInstList = std::vector<std::pair<SPIRV::InstructionSet::InstructionSet, uint32_t> >

Definition at line 43 of file SPIRVInstructionSelector.cpp.

Function Documentation

addMemoryOperands() [1/2]

static void addMemoryOperands ( MachineMemOperand *  MemOp, MachineInstrBuilder &  MIB  )

static

Definition at line 988 of file SPIRVInstructionSelector.cpp.

References llvm::MachineInstrBuilder::addImm().

addMemoryOperands() [2/2]

static void addMemoryOperands ( uint64_t  Flags, MachineInstrBuilder &  MIB  )

static

Definition at line 1005 of file SPIRVInstructionSelector.cpp.

References llvm::MachineInstrBuilder::addImm().

foldImm()

static int64_t foldImm ( const MachineOperand &  MO, MachineRegisterInfo *  MRI  )

static

Definition at line 2600 of file SPIRVInstructionSelector.cpp.

References assert(), llvm::MachineOperand::getCImm(), llvm::MachineOperand::getImm(), llvm::MachineInstr::getOpcode(), llvm::MachineInstr::getOperand(), llvm::MachineOperand::getReg(), llvm::ConstantInt::getZExtValue(), and MRI.

getArrayComponentCount()

static unsigned getArrayComponentCount ( MachineRegisterInfo *  MRI, const SPIRVType *  ResType  )

static

Definition at line 2112 of file SPIRVInstructionSelector.cpp.

References llvm::MachineOperand::getCImm(), llvm::MachineInstr::getOpcode(), llvm::MachineInstr::getOperand(), llvm::MachineOperand::getReg(), llvm::ConstantInt::getValue(), llvm::APInt::getZExtValue(), llvm::MachineOperand::isReg(), MRI, and N.

getBoolCmpOpcode()

static unsigned getBoolCmpOpcode ( unsigned  PredNum )

static

Definition at line 1629 of file SPIRVInstructionSelector.cpp.

References llvm::CmpInst::ICMP_EQ, llvm::CmpInst::ICMP_NE, and llvm_unreachable.

getFCmpOpcode()

static unsigned getFCmpOpcode ( unsigned  PredNum )

static

Definition at line 1553 of file SPIRVInstructionSelector.cpp.

References llvm::CmpInst::FCMP_OEQ, llvm::CmpInst::FCMP_OGE, llvm::CmpInst::FCMP_OGT, llvm::CmpInst::FCMP_OLE, llvm::CmpInst::FCMP_OLT, llvm::CmpInst::FCMP_ONE, llvm::CmpInst::FCMP_ORD, llvm::CmpInst::FCMP_UEQ, llvm::CmpInst::FCMP_UGE, llvm::CmpInst::FCMP_UGT, llvm::CmpInst::FCMP_ULE, llvm::CmpInst::FCMP_ULT, llvm::CmpInst::FCMP_UNE, llvm::CmpInst::FCMP_UNO, and llvm_unreachable.

getICmpOpcode()

static unsigned getICmpOpcode ( unsigned  PredNum )

static

Definition at line 1589 of file SPIRVInstructionSelector.cpp.

References llvm::CmpInst::ICMP_EQ, llvm::CmpInst::ICMP_NE, llvm::CmpInst::ICMP_SGE, llvm::CmpInst::ICMP_SGT, llvm::CmpInst::ICMP_SLE, llvm::CmpInst::ICMP_SLT, llvm::CmpInst::ICMP_UGE, llvm::CmpInst::ICMP_UGT, llvm::CmpInst::ICMP_ULE, llvm::CmpInst::ICMP_ULT, and llvm_unreachable.

getOneFP()

static APFloat getOneFP ( const Type *  LLVMFloatTy )

static

Definition at line 1655 of file SPIRVInstructionSelector.cpp.

References llvm::Type::DoubleTyID, llvm::Type::FloatTyID, llvm::APFloat::getOne(), llvm::Type::getScalarType(), llvm::Type::getTypeID(), and llvm::Type::HalfTyID.

getPtrCmpOpcode()

static unsigned getPtrCmpOpcode ( unsigned  Pred )

static

Definition at line 1617 of file SPIRVInstructionSelector.cpp.

References llvm::CmpInst::ICMP_EQ, llvm::CmpInst::ICMP_NE, and llvm_unreachable.

getZeroFP()

static APFloat getZeroFP ( const Type *  LLVMFloatTy )

static

Definition at line 1641 of file SPIRVInstructionSelector.cpp.

References llvm::Type::DoubleTyID, llvm::Type::FloatTyID, llvm::Type::getScalarType(), llvm::Type::getTypeID(), llvm::APFloat::getZero(), and llvm::Type::HalfTyID.

isASCastInGVar()

static bool isASCastInGVar ( MachineRegisterInfo *  MRI, Register  ResVReg  )

static

Definition at line 1399 of file SPIRVInstructionSelector.cpp.

References MRI.

isConstReg() [1/2]

static bool isConstReg ( MachineRegisterInfo *  MRI, Register  OpReg  )

static

Definition at line 2170 of file SPIRVInstructionSelector.cpp.

References isConstReg(), and MRI.

isConstReg() [2/2]

static bool isConstReg ( MachineRegisterInfo *  MRI, SPIRVType *  OpDef, SmallPtrSet< SPIRVType *, 4 > &  Visited  )

static

Definition at line 2130 of file SPIRVInstructionSelector.cpp.

References llvm::SmallPtrSetImpl< PtrType >::contains(), llvm::MachineInstr::getNumExplicitDefs(), llvm::MachineInstr::getOpcode(), llvm::MachineInstr::getOperand(), llvm::MachineOperand::getReg(), llvm::SmallPtrSetImpl< PtrType >::insert(), isConstReg(), llvm::MachineOperand::isReg(), and MRI.

Referenced by isConstReg().

isDead()

bool isDead	(	const MachineInstr &	MI,
		const MachineRegisterInfo &	MRI
	)

Definition at line 386 of file SPIRVInstructionSelector.cpp.

References MI, and MRI.

Referenced by llvm::finalizeBundle(), llvm::MachineInstr::findRegisterDefOperand(), llvm::MachineInstr::findRegisterDefOperandIdx(), llvm::t1CondCodeOp(), and llvm::TailDuplicator::tailDuplicateAndUpdate().

isGenericCastablePtr()

static bool isGenericCastablePtr ( SPIRV::StorageClass::StorageClass  SC )

static

Definition at line 1377 of file SPIRVInstructionSelector.cpp.

isImm()

static bool isImm ( const MachineOperand &  MO, MachineRegisterInfo *  MRI  )

static

Definition at line 2589 of file SPIRVInstructionSelector.cpp.

References assert(), llvm::MachineInstr::getOpcode(), llvm::MachineInstr::getOperand(), llvm::MachineOperand::getReg(), llvm::MachineOperand::isReg(), and MRI.

Referenced by llvm::SIInstrInfo::insertBranch(), llvm::HexagonInstrInfo::insertBranch(), llvm::RISCVInstrInfo::insertBranch(), llvm::VEInstrInfo::insertBranch(), llvm::SIInstrInfo::insertVectorSelect(), IsMemoryAssignmentError(), isMergeableLdStUpdate(), llvm::MachineInstr::isOperandSubregIdx(), llvm::SIInstrInfo::reverseBranchCondition(), and llvm::HexagonInstrInfo::reverseBranchCondition().

isTypeFoldingSupported()

bool isTypeFoldingSupported

(

unsigned

Opcode

)

Definition at line 60 of file SPIRVLegalizerInfo.cpp.

References TypeFoldingSupportingOpcs.

Referenced by llvm::SPIRVLegalizerInfo::legalizeCustom(), and mayApplyGenericSelection().

isUSMStorageClass()

static bool isUSMStorageClass ( SPIRV::StorageClass::StorageClass  SC )

static

Definition at line 1388 of file SPIRVInstructionSelector.cpp.

mayApplyGenericSelection()

static bool mayApplyGenericSelection ( unsigned  Opcode )

static

Definition at line 476 of file SPIRVInstructionSelector.cpp.

References isTypeFoldingSupported().