Instructions.cpp File Reference

#include "llvm/IR/Instructions.h"
#include "LLVMContextImpl.h"
#include "llvm/ADT/SmallBitVector.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/Twine.h"
#include "llvm/IR/Attributes.h"
#include "llvm/IR/BasicBlock.h"
#include "llvm/IR/Constant.h"
#include "llvm/IR/ConstantRange.h"
#include "llvm/IR/Constants.h"
#include "llvm/IR/DataLayout.h"
#include "llvm/IR/DerivedTypes.h"
#include "llvm/IR/Function.h"
#include "llvm/IR/InstrTypes.h"
#include "llvm/IR/Instruction.h"
#include "llvm/IR/Intrinsics.h"
#include "llvm/IR/LLVMContext.h"
#include "llvm/IR/MDBuilder.h"
#include "llvm/IR/Metadata.h"
#include "llvm/IR/Module.h"
#include "llvm/IR/Operator.h"
#include "llvm/IR/PatternMatch.h"
#include "llvm/IR/ProfDataUtils.h"
#include "llvm/IR/Type.h"
#include "llvm/IR/Value.h"
#include "llvm/Support/AtomicOrdering.h"
#include "llvm/Support/Casting.h"
#include "llvm/Support/CheckedArithmetic.h"
#include "llvm/Support/Compiler.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/KnownBits.h"
#include "llvm/Support/MathExtras.h"
#include "llvm/Support/ModRef.h"
#include "llvm/Support/TypeSize.h"
#include <algorithm>
#include <cassert>
#include <cstdint>
#include <optional>
#include <vector>

Go to the source code of this file.

Functions
static Value *	getAISize (LLVMContext &Context, Value *Amt)
static Align	computeAllocaDefaultAlign (Type *Ty, InsertPosition Pos)
static Align	computeLoadStoreDefaultAlign (Type *Ty, InsertPosition Pos)
template<typename IndexTy>
static Type *	getIndexedTypeInternal (Type *Ty, ArrayRef< IndexTy > IdxList)
static Value *	createPlaceholderForShuffleVector (Value *V)
static bool	isSingleSourceMaskImpl (ArrayRef< int > Mask, int NumOpElts)
static bool	isIdentityMaskImpl (ArrayRef< int > Mask, int NumOpElts)
static bool	isReplicationMaskWithParams (ArrayRef< int > Mask, int ReplicationFactor, int VF)
static int	matchShuffleAsBitRotate (ArrayRef< int > Mask, int NumSubElts)
	Try to lower a vector shuffle as a bit rotation.
static bool	hasNonZeroFPOperands (const CmpInst *Cmp)
static bool	isImpliedTrueByMatchingCmp (CmpPredicate Pred1, CmpPredicate Pred2)
static bool	isImpliedFalseByMatchingCmp (CmpPredicate Pred1, CmpPredicate Pred2)

Variables
static cl::opt< bool >	DisableI2pP2iOpt ("disable-i2p-p2i-opt", cl::init(false), cl::desc("Disables inttoptr/ptrtoint roundtrip optimization"))

Function Documentation

computeAllocaDefaultAlign()

Align computeAllocaDefaultAlign ( Type * Ty, InsertPosition Pos )

static

Definition at line 1263 of file Instructions.cpp.

References assert(), DL, llvm::InsertPosition::getBasicBlock(), llvm::BasicBlock::getDataLayout(), llvm::BasicBlock::getParent(), and llvm::InsertPosition::isValid().

Referenced by llvm::AllocaInst::AllocaInst().

computeLoadStoreDefaultAlign()

Align computeLoadStoreDefaultAlign ( Type * Ty, InsertPosition Pos )

static

Definition at line 1321 of file Instructions.cpp.

References assert(), DL, llvm::InsertPosition::getBasicBlock(), llvm::BasicBlock::getDataLayout(), llvm::BasicBlock::getParent(), and llvm::InsertPosition::isValid().

Referenced by llvm::LoadInst::LoadInst(), and llvm::StoreInst::StoreInst().

createPlaceholderForShuffleVector()

Value * createPlaceholderForShuffleVector ( Value * V )

static

Definition at line 1724 of file Instructions.cpp.

References assert(), and llvm::PoisonValue::get().

Referenced by llvm::ShuffleVectorInst::ShuffleVectorInst(), and llvm::ShuffleVectorInst::ShuffleVectorInst().

getAISize()

Value * getAISize ( LLVMContext & Context, Value * Amt )

static

Definition at line 1251 of file Instructions.cpp.

References assert(), llvm::Type::getInt32Ty(), llvm::Value::getType(), llvm::isa(), and llvm::Type::isIntegerTy().

Referenced by llvm::AllocaInst::AllocaInst().

getIndexedTypeInternal()

template<typename IndexTy>

Type * getIndexedTypeInternal ( Type * Ty, ArrayRef< IndexTy > IdxList )

static

Definition at line 1576 of file Instructions.cpp.

References llvm::ArrayRef< T >::empty(), llvm::GetElementPtrInst::getTypeAtIndex(), and llvm::ArrayRef< T >::slice().

Referenced by llvm::GetElementPtrInst::getIndexedType(), llvm::GetElementPtrInst::getIndexedType(), and llvm::GetElementPtrInst::getIndexedType().

hasNonZeroFPOperands()

bool hasNonZeroFPOperands ( const CmpInst * Cmp )

static

Definition at line 3565 of file Instructions.cpp.

References llvm::dyn_cast(), LHS, llvm::PatternMatch::m_NonZeroNotDenormalFP(), llvm::PatternMatch::match(), and RHS.

Referenced by llvm::CmpInst::isEquivalence().

isIdentityMaskImpl()

bool isIdentityMaskImpl ( ArrayRef< int > Mask, int NumOpElts )

static

Definition at line 1939 of file Instructions.cpp.

References isSingleSourceMaskImpl().

Referenced by llvm::ShuffleVectorInst::isConcat(), llvm::ShuffleVectorInst::isIdentityMask(), llvm::ShuffleVectorInst::isIdentityWithExtract(), llvm::ShuffleVectorInst::isIdentityWithPadding(), and llvm::ShuffleVectorInst::isInsertSubvectorMask().

isImpliedFalseByMatchingCmp()

bool isImpliedFalseByMatchingCmp ( CmpPredicate Pred1, CmpPredicate Pred2 )

static

Definition at line 3998 of file Instructions.cpp.

References llvm::ICmpInst::getInverseCmpPredicate(), and isImpliedTrueByMatchingCmp().

Referenced by llvm::ICmpInst::isImpliedByMatchingCmp().

isImpliedTrueByMatchingCmp()

bool isImpliedTrueByMatchingCmp ( CmpPredicate Pred1, CmpPredicate Pred2 )

static

Definition at line 3968 of file Instructions.cpp.

References llvm::ICmpInst::getFlippedSignednessPredicate(), llvm::CmpPredicate::getMatching(), llvm::CmpPredicate::hasSameSign(), 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::CmpInst::isSigned().

Referenced by llvm::ICmpInst::isImpliedByMatchingCmp(), and isImpliedFalseByMatchingCmp().

isReplicationMaskWithParams()

bool isReplicationMaskWithParams ( ArrayRef< int > Mask, int ReplicationFactor, int VF )

static

Definition at line 2240 of file Instructions.cpp.

References llvm::all_of(), assert(), llvm::PoisonMaskElem, llvm::seq(), and llvm::ArrayRef< T >::size().

Referenced by llvm::ShuffleVectorInst::isReplicationMask(), and llvm::ShuffleVectorInst::isReplicationMask().

isSingleSourceMaskImpl()

bool isSingleSourceMaskImpl ( ArrayRef< int > Mask, int NumOpElts )

static

Definition at line 1915 of file Instructions.cpp.

References assert(), and I.

Referenced by llvm::ShuffleVectorInst::isExtractSubvectorMask(), isIdentityMaskImpl(), llvm::ShuffleVectorInst::isInsertSubvectorMask(), and llvm::ShuffleVectorInst::isSingleSourceMask().

matchShuffleAsBitRotate()

int matchShuffleAsBitRotate ( ArrayRef< int > Mask, int NumSubElts )

static

Try to lower a vector shuffle as a bit rotation.

Look for a repeated rotation pattern in each sub group. Returns an element-wise left bit rotation amount or -1 if failed.

Definition at line 2473 of file Instructions.cpp.

References assert(), and llvm::Offset.

Referenced by llvm::ShuffleVectorInst::isBitRotateMask(), lowerShuffleAsBitRotate(), and matchUnaryPermuteShuffle().

Variable Documentation

DisableI2pP2iOpt

cl::opt< bool > DisableI2pP2iOpt("disable-i2p-p2i-opt", cl::init(false), cl::desc("Disables inttoptr/ptrtoint roundtrip optimization")) ( "disable-i2p-p2i-opt" , cl::init(false) , cl::desc("Disables inttoptr/ptrtoint roundtrip optimization")  )

static

Referenced by llvm::CastInst::isEliminableCastPair().