LLVM: lib/Target/SPIRV/SPIRVInstructionSelector.cpp File Reference

LLVM 22.0.0git

#include "MCTargetDesc/SPIRVBaseInfo.h"
#include "MCTargetDesc/SPIRVMCTargetDesc.h"
#include "SPIRV.h"
#include "SPIRVGlobalRegistry.h"
#include "SPIRVInstrInfo.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/MachineRegisterInfo.h"
#include "llvm/CodeGen/Register.h"
#include "llvm/CodeGen/TargetOpcodes.h"
#include "llvm/IR/IntrinsicsSPIRV.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/ErrorHandling.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

Functions
static bool	isConstReg (MachineRegisterInfo MRI, MachineInstr OpDef, SmallPtrSet< SPIRVType *, 4 > &Visited)
static bool	isConstReg (MachineRegisterInfo *MRI, Register OpReg)
bool	isDead (const MachineInstr &MI, const MachineRegisterInfo &MRI)
static bool	mayApplyGenericSelection (unsigned Opcode)
static void	addMemoryOperands (MachineMemOperand *MemOp, MachineInstrBuilder &MIB, MachineIRBuilder &MIRBuilder, SPIRVGlobalRegistry &GR)
static void	addMemoryOperands (uint64_t Flags, MachineInstrBuilder &MIB)
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)
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 36 of file SPIRVInstructionSelector.cpp.

◆ GET_GLOBALISEL_IMPL

#define GET_GLOBALISEL_IMPL

Definition at line 386 of file SPIRVInstructionSelector.cpp.

◆ GET_GLOBALISEL_PREDICATE_BITSET

#define GET_GLOBALISEL_PREDICATE_BITSET

Definition at line 58 of file SPIRVInstructionSelector.cpp.

◆ GET_GLOBALISEL_PREDICATES_DECL

#define GET_GLOBALISEL_PREDICATES_DECL

Definition at line 87 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 91 of file SPIRVInstructionSelector.cpp.

◆ GET_GLOBALISEL_TEMPORARIES_INIT

#define GET_GLOBALISEL_TEMPORARIES_INIT

Typedef Documentation

◆ ExtInstList

using ExtInstList

Initial value:

std::vector<std::pair<SPIRV::InstructionSet::InstructionSet, uint32_t>>

Definition at line 42 of file SPIRVInstructionSelector.cpp.

Function Documentation

◆ addMemoryOperands() [1/2]

void addMemoryOperands	(	MachineMemOperand *	MemOp,
		MachineInstrBuilder &	MIB,
		MachineIRBuilder &	MIRBuilder,
		SPIRVGlobalRegistry &	GR )

static

Definition at line 1253 of file SPIRVInstructionSelector.cpp.

References llvm::MachineInstrBuilder::addImm(), llvm::MachineInstrBuilder::addUse(), llvm::MachineIRBuilder::getMF(), llvm::MachineInstr::getOperand(), llvm::SPIRVGlobalRegistry::getOrAddMemAliasingINTELInst(), and llvm::MachineOperand::getReg().

◆ addMemoryOperands() [2/2]

void addMemoryOperands	(	uint64_t	Flags,
		MachineInstrBuilder &	MIB )

static

Definition at line 1295 of file SPIRVInstructionSelector.cpp.

References llvm::MachineInstrBuilder::addImm(), llvm::MachineMemOperand::MONonTemporal, and llvm::MachineMemOperand::MOVolatile.

◆ getBoolCmpOpcode()

unsigned getBoolCmpOpcode ( unsigned PredNum )

static

Definition at line 1968 of file SPIRVInstructionSelector.cpp.

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

◆ getFCmpOpcode()

unsigned getFCmpOpcode ( unsigned PredNum )

static

Definition at line 1892 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()

unsigned getICmpOpcode ( unsigned PredNum )

static

Definition at line 1928 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()

APFloat getOneFP ( const Type * LLVMFloatTy )

static

Definition at line 1994 of file SPIRVInstructionSelector.cpp.

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

◆ getPtrCmpOpcode()

unsigned getPtrCmpOpcode ( unsigned Pred )

static

Definition at line 1956 of file SPIRVInstructionSelector.cpp.

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

◆ getZeroFP()

APFloat getZeroFP ( const Type * LLVMFloatTy )

static

Definition at line 1980 of file SPIRVInstructionSelector.cpp.

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

◆ isASCastInGVar()

bool isASCastInGVar	(	MachineRegisterInfo *	MRI,
		Register	ResVReg )

static

Definition at line 1739 of file SPIRVInstructionSelector.cpp.

References llvm::all_of(), and MRI.

◆ isConstReg() [1/2]

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

static

Definition at line 455 of file SPIRVInstructionSelector.cpp.

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

Referenced by isConstReg(), and isConstReg().

◆ isConstReg() [2/2]

bool isConstReg	(	MachineRegisterInfo *	MRI,
		Register	OpReg )

static

Definition at line 502 of file SPIRVInstructionSelector.cpp.

References isConstReg(), and MRI.

◆ isDead()

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

Definition at line 509 of file SPIRVInstructionSelector.cpp.

References MI, MRI, and Reg.

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

◆ isUSMStorageClass()

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

static

Definition at line 1728 of file SPIRVInstructionSelector.cpp.

◆ mayApplyGenericSelection()

bool mayApplyGenericSelection ( unsigned Opcode )

static

Definition at line 613 of file SPIRVInstructionSelector.cpp.

References llvm::isTypeFoldingSupported().