ScalarizeMaskedMemIntrin.cpp File Reference

#include "llvm/Transforms/Scalar/ScalarizeMaskedMemIntrin.h"
#include "llvm/ADT/Twine.h"
#include "llvm/Analysis/DomTreeUpdater.h"
#include "llvm/Analysis/TargetTransformInfo.h"
#include "llvm/Analysis/VectorUtils.h"
#include "llvm/IR/BasicBlock.h"
#include "llvm/IR/Constant.h"
#include "llvm/IR/Constants.h"
#include "llvm/IR/DerivedTypes.h"
#include "llvm/IR/Dominators.h"
#include "llvm/IR/Function.h"
#include "llvm/IR/IRBuilder.h"
#include "llvm/IR/Instruction.h"
#include "llvm/IR/Instructions.h"
#include "llvm/IR/IntrinsicInst.h"
#include "llvm/IR/Type.h"
#include "llvm/IR/Value.h"
#include "llvm/InitializePasses.h"
#include "llvm/Pass.h"
#include "llvm/Support/Casting.h"
#include "llvm/Transforms/Scalar.h"
#include "llvm/Transforms/Utils/BasicBlockUtils.h"
#include <cassert>
#include <optional>

Go to the source code of this file.

Macros
#define	DEBUG_TYPE   "scalarize-masked-mem-intrin"

Functions
static bool	optimizeBlock (BasicBlock &BB, bool &ModifiedDT, const TargetTransformInfo &TTI, const DataLayout &DL, bool HasBranchDivergence, DomTreeUpdater *DTU)
static bool	optimizeCallInst (CallInst *CI, bool &ModifiedDT, const TargetTransformInfo &TTI, const DataLayout &DL, bool HasBranchDivergence, DomTreeUpdater *DTU)
	INITIALIZE_PASS_BEGIN (ScalarizeMaskedMemIntrinLegacyPass, DEBUG_TYPE, "Scalarize unsupported masked memory intrinsics", false, false) INITIALIZE_PASS_END(ScalarizeMaskedMemIntrinLegacyPass
static bool	isConstantIntVector (Value *Mask)
static unsigned	adjustForEndian (const DataLayout &DL, unsigned VectorWidth, unsigned Idx)
static void	scalarizeMaskedLoad (const DataLayout &DL, bool HasBranchDivergence, CallInst *CI, DomTreeUpdater *DTU, bool &ModifiedDT)
static void	scalarizeMaskedStore (const DataLayout &DL, bool HasBranchDivergence, CallInst *CI, DomTreeUpdater *DTU, bool &ModifiedDT)
static void	scalarizeMaskedGather (const DataLayout &DL, bool HasBranchDivergence, CallInst *CI, DomTreeUpdater *DTU, bool &ModifiedDT)
static void	scalarizeMaskedScatter (const DataLayout &DL, bool HasBranchDivergence, CallInst *CI, DomTreeUpdater *DTU, bool &ModifiedDT)
static void	scalarizeMaskedExpandLoad (const DataLayout &DL, bool HasBranchDivergence, CallInst *CI, DomTreeUpdater *DTU, bool &ModifiedDT)
static void	scalarizeMaskedCompressStore (const DataLayout &DL, bool HasBranchDivergence, CallInst *CI, DomTreeUpdater *DTU, bool &ModifiedDT)
static void	scalarizeMaskedVectorHistogram (const DataLayout &DL, CallInst *CI, DomTreeUpdater *DTU, bool &ModifiedDT)
static bool	runImpl (Function &F, const TargetTransformInfo &TTI, DominatorTree *DT)

Variables
	DEBUG_TYPE
Scalarize unsupported masked memory	intrinsics
Scalarize unsupported masked memory	false

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "scalarize-masked-mem-intrin"

Definition at line 43 of file ScalarizeMaskedMemIntrin.cpp.

Function Documentation

adjustForEndian()

unsigned adjustForEndian ( const DataLayout & DL, unsigned VectorWidth, unsigned Idx )

static

Definition at line 108 of file ScalarizeMaskedMemIntrin.cpp.

References DL.

Referenced by scalarizeMaskedCompressStore(), scalarizeMaskedExpandLoad(), scalarizeMaskedGather(), scalarizeMaskedLoad(), scalarizeMaskedScatter(), and scalarizeMaskedStore().

INITIALIZE_PASS_BEGIN()

INITIALIZE_PASS_BEGIN	(	ScalarizeMaskedMemIntrinLegacyPass	,
		DEBUG_TYPE	,
		"Scalarize unsupported masked memory intrinsics"	,
		false	,
		false	)

References DEBUG_TYPE, and INITIALIZE_PASS_DEPENDENCY.

isConstantIntVector()

bool isConstantIntVector ( Value * Mask )

static

Definition at line 93 of file ScalarizeMaskedMemIntrin.cpp.

References llvm::CallingConv::C, llvm::cast(), llvm::dyn_cast(), and llvm::isa().

Referenced by scalarizeMaskedCompressStore(), scalarizeMaskedExpandLoad(), scalarizeMaskedGather(), scalarizeMaskedLoad(), scalarizeMaskedScatter(), scalarizeMaskedStore(), and scalarizeMaskedVectorHistogram().

optimizeBlock()

bool optimizeBlock ( BasicBlock & BB, bool & ModifiedDT, const TargetTransformInfo & TTI, const DataLayout & DL, bool HasBranchDivergence, DomTreeUpdater * DTU )

static

Definition at line 1085 of file ScalarizeMaskedMemIntrin.cpp.

References llvm::BasicBlock::begin(), DL, llvm::dyn_cast(), llvm::BasicBlock::end(), and optimizeCallInst().

Referenced by runImpl().

optimizeCallInst()

bool optimizeCallInst ( CallInst * CI, bool & ModifiedDT, const TargetTransformInfo & TTI, const DataLayout & DL, bool HasBranchDivergence, DomTreeUpdater * DTU )

static

Definition at line 1102 of file ScalarizeMaskedMemIntrin.cpp.

References llvm::any_of(), llvm::cast(), DL, llvm::dyn_cast(), llvm::CallBase::getArgOperand(), llvm::CallBase::getAttributes(), llvm::Type::getScalarType(), llvm::Value::getType(), II, llvm::isa(), scalarizeMaskedCompressStore(), scalarizeMaskedExpandLoad(), scalarizeMaskedGather(), scalarizeMaskedLoad(), scalarizeMaskedScatter(), scalarizeMaskedStore(), and scalarizeMaskedVectorHistogram().

Referenced by optimizeBlock().

runImpl()

bool runImpl ( Function & F, const TargetTransformInfo & TTI, DominatorTree * DT )

static

Definition at line 1038 of file ScalarizeMaskedMemIntrin.cpp.

References DL, F, llvm::make_early_inc_range(), and optimizeBlock().

scalarizeMaskedCompressStore()

void scalarizeMaskedCompressStore ( const DataLayout & DL, bool HasBranchDivergence, CallInst * CI, DomTreeUpdater * DTU, bool & ModifiedDT )

static

Definition at line 837 of file ScalarizeMaskedMemIntrin.cpp.

References llvm::PHINode::addIncoming(), adjustForEndian(), llvm::BasicBlock::begin(), llvm::cast(), llvm::commonAlignment(), DL, llvm::Instruction::eraseFromParent(), llvm::CallBase::getArgOperand(), llvm::Value::getContext(), llvm::Instruction::getDebugLoc(), llvm::Type::getIntNTy(), llvm::APInt::getOneBitSet(), llvm::CallBase::getParamAlign(), llvm::ilist_detail::node_parent_access< NodeTy, ParentTy >::getParent(), llvm::Type::getPrimitiveSizeInBits(), llvm::Instruction::getSuccessor(), llvm::BasicBlock::getTerminator(), isConstantIntVector(), Ptr, llvm::Value::setName(), llvm::SplitBlockAndInsertIfThen(), and llvm::MaybeAlign::valueOrOne().

Referenced by optimizeCallInst().

scalarizeMaskedExpandLoad()

void scalarizeMaskedExpandLoad ( const DataLayout & DL, bool HasBranchDivergence, CallInst * CI, DomTreeUpdater * DTU, bool & ModifiedDT )

static

Definition at line 700 of file ScalarizeMaskedMemIntrin.cpp.

References llvm::PHINode::addIncoming(), adjustForEndian(), llvm::BasicBlock::begin(), llvm::cast(), llvm::commonAlignment(), DL, llvm::Instruction::eraseFromParent(), llvm::PoisonValue::get(), llvm::CallBase::getArgOperand(), llvm::Value::getContext(), llvm::Instruction::getDebugLoc(), llvm::Type::getIntNTy(), llvm::APInt::getOneBitSet(), llvm::CallBase::getParamAlign(), llvm::ilist_detail::node_parent_access< NodeTy, ParentTy >::getParent(), llvm::Type::getPrimitiveSizeInBits(), llvm::Instruction::getSuccessor(), llvm::BasicBlock::getTerminator(), llvm::Value::getType(), isConstantIntVector(), llvm::PoisonMaskElem, Ptr, llvm::Value::replaceAllUsesWith(), llvm::Value::setName(), llvm::SplitBlockAndInsertIfThen(), and llvm::MaybeAlign::valueOrOne().

Referenced by optimizeCallInst().

scalarizeMaskedGather()

void scalarizeMaskedGather ( const DataLayout & DL, bool HasBranchDivergence, CallInst * CI, DomTreeUpdater * DTU, bool & ModifiedDT )

static

Definition at line 471 of file ScalarizeMaskedMemIntrin.cpp.

References adjustForEndian(), llvm::BasicBlock::begin(), llvm::cast(), DL, llvm::Instruction::eraseFromParent(), llvm::CallBase::getArgOperand(), llvm::Value::getContext(), llvm::Instruction::getDebugLoc(), llvm::Type::getIntNTy(), llvm::APInt::getOneBitSet(), llvm::ilist_detail::node_parent_access< NodeTy, ParentTy >::getParent(), llvm::Instruction::getSuccessor(), llvm::BasicBlock::getTerminator(), llvm::Value::getType(), isConstantIntVector(), Ptr, llvm::Value::replaceAllUsesWith(), llvm::Value::setName(), and llvm::SplitBlockAndInsertIfThen().

Referenced by optimizeCallInst().

scalarizeMaskedLoad()

void scalarizeMaskedLoad ( const DataLayout & DL, bool HasBranchDivergence, CallInst * CI, DomTreeUpdater * DTU, bool & ModifiedDT )

static

Definition at line 145 of file ScalarizeMaskedMemIntrin.cpp.

References adjustForEndian(), llvm::BasicBlock::begin(), llvm::cast(), llvm::commonAlignment(), llvm::Instruction::copyMetadata(), DL, llvm::Instruction::eraseFromParent(), llvm::CallBase::getArgOperand(), llvm::Value::getContext(), llvm::Instruction::getDebugLoc(), llvm::Type::getIntNTy(), llvm::Value::getName(), llvm::APInt::getOneBitSet(), llvm::ilist_detail::node_parent_access< NodeTy, ParentTy >::getParent(), llvm::Type::getPrimitiveSizeInBits(), llvm::Instruction::getSuccessor(), llvm::BasicBlock::getTerminator(), llvm::Value::getType(), llvm::isa(), isConstantIntVector(), llvm::isSplatValue(), Ptr, llvm::Value::replaceAllUsesWith(), llvm::Value::setName(), llvm::SplitBlockAndInsertIfThen(), and llvm::Value::takeName().

Referenced by optimizeCallInst().

scalarizeMaskedScatter()

void scalarizeMaskedScatter ( const DataLayout & DL, bool HasBranchDivergence, CallInst * CI, DomTreeUpdater * DTU, bool & ModifiedDT )

static

Definition at line 606 of file ScalarizeMaskedMemIntrin.cpp.

References adjustForEndian(), assert(), llvm::BasicBlock::begin(), llvm::cast(), DL, llvm::Instruction::eraseFromParent(), llvm::CallBase::getArgOperand(), llvm::Value::getContext(), llvm::Instruction::getDebugLoc(), llvm::Type::getIntNTy(), llvm::APInt::getOneBitSet(), llvm::ilist_detail::node_parent_access< NodeTy, ParentTy >::getParent(), llvm::Instruction::getSuccessor(), llvm::BasicBlock::getTerminator(), llvm::Value::getType(), llvm::isa(), isConstantIntVector(), Ptr, llvm::Value::setName(), and llvm::SplitBlockAndInsertIfThen().

Referenced by optimizeCallInst().

scalarizeMaskedStore()

void scalarizeMaskedStore ( const DataLayout & DL, bool HasBranchDivergence, CallInst * CI, DomTreeUpdater * DTU, bool & ModifiedDT )

static

Definition at line 318 of file ScalarizeMaskedMemIntrin.cpp.

References adjustForEndian(), llvm::BasicBlock::begin(), llvm::cast(), llvm::commonAlignment(), DL, llvm::Instruction::eraseFromParent(), llvm::CallBase::getArgOperand(), llvm::Value::getContext(), llvm::Instruction::getDebugLoc(), llvm::Type::getIntNTy(), llvm::APInt::getOneBitSet(), llvm::ilist_detail::node_parent_access< NodeTy, ParentTy >::getParent(), llvm::Type::getPrimitiveSizeInBits(), llvm::Instruction::getSuccessor(), llvm::BasicBlock::getTerminator(), llvm::isa(), isConstantIntVector(), llvm::isSplatValue(), Ptr, llvm::Value::setName(), and llvm::SplitBlockAndInsertIfThen().

Referenced by optimizeCallInst().

scalarizeMaskedVectorHistogram()

void scalarizeMaskedVectorHistogram ( const DataLayout & DL, CallInst * CI, DomTreeUpdater * DTU, bool & ModifiedDT )

static

Definition at line 950 of file ScalarizeMaskedMemIntrin.cpp.

References assert(), llvm::BasicBlock::begin(), llvm::cast(), DL, llvm::Instruction::eraseFromParent(), llvm::CallBase::getArgOperand(), llvm::Value::getContext(), llvm::Instruction::getDebugLoc(), llvm::CallBase::getIntrinsicID(), llvm::ilist_detail::node_parent_access< NodeTy, ParentTy >::getParent(), llvm::Instruction::getSuccessor(), llvm::BasicBlock::getTerminator(), llvm::Value::getType(), isConstantIntVector(), llvm::Type::isVoidTy(), llvm_unreachable, Ptr, llvm::Value::setName(), and llvm::SplitBlockAndInsertIfThen().

Referenced by optimizeCallInst().

Variable Documentation

DEBUG_TYPE

DEBUG_TYPE

Definition at line 85 of file ScalarizeMaskedMemIntrin.cpp.

false

Scalarize unsupported masked memory false

Definition at line 86 of file ScalarizeMaskedMemIntrin.cpp.

intrinsics

Scalarize unsupported masked memory intrinsics

Definition at line 86 of file ScalarizeMaskedMemIntrin.cpp.