llvm::ConstantFolder Class Reference

ConstantFolder - Create constants with minimum, target independent, folding. More...

#include "llvm/IR/ConstantFolder.h"

Inheritance diagram for llvm::ConstantFolder:

Public Member Functions
	ConstantFolder ()=default
Value *	FoldBinOp (Instruction::BinaryOps Opc, Value *LHS, Value *RHS) const override
Value *	FoldExactBinOp (Instruction::BinaryOps Opc, Value *LHS, Value *RHS, bool IsExact) const override
Value *	FoldNoWrapBinOp (Instruction::BinaryOps Opc, Value *LHS, Value *RHS, bool HasNUW, bool HasNSW) const override
Value *	FoldBinOpFMF (Instruction::BinaryOps Opc, Value *LHS, Value *RHS, FastMathFlags FMF) const override
Value *	FoldUnOpFMF (Instruction::UnaryOps Opc, Value *V, FastMathFlags FMF) const override
Value *	FoldCmp (CmpInst::Predicate P, Value *LHS, Value *RHS) const override
Value *	FoldGEP (Type *Ty, Value *Ptr, ArrayRef< Value * > IdxList, GEPNoWrapFlags NW) const override
Value *	FoldSelect (Value *C, Value *True, Value *False) const override
Value *	FoldExtractValue (Value *Agg, ArrayRef< unsigned > IdxList) const override
Value *	FoldInsertValue (Value *Agg, Value *Val, ArrayRef< unsigned > IdxList) const override
Value *	FoldExtractElement (Value *Vec, Value *Idx) const override
Value *	FoldInsertElement (Value *Vec, Value *NewElt, Value *Idx) const override
Value *	FoldShuffleVector (Value *V1, Value *V2, ArrayRef< int > Mask) const override
Value *	FoldCast (Instruction::CastOps Op, Value *V, Type *DestTy) const override
Value *	FoldBinaryIntrinsic (Intrinsic::ID ID, Value *LHS, Value *RHS, Type *Ty, Instruction *FMFSource) const override
Constant *	CreatePointerCast (Constant *C, Type *DestTy) const override
Constant *	CreatePointerBitCastOrAddrSpaceCast (Constant *C, Type *DestTy) const override
Public Member Functions inherited from llvm::IRBuilderFolder
virtual	~IRBuilderFolder ()
virtual Value *	FoldBinOp (Instruction::BinaryOps Opc, Value *LHS, Value *RHS) const =0
virtual Value *	FoldExactBinOp (Instruction::BinaryOps Opc, Value *LHS, Value *RHS, bool IsExact) const =0
virtual Value *	FoldNoWrapBinOp (Instruction::BinaryOps Opc, Value *LHS, Value *RHS, bool HasNUW, bool HasNSW) const =0
virtual Value *	FoldBinOpFMF (Instruction::BinaryOps Opc, Value *LHS, Value *RHS, FastMathFlags FMF) const =0
virtual Value *	FoldUnOpFMF (Instruction::UnaryOps Opc, Value *V, FastMathFlags FMF) const =0
virtual Value *	FoldCmp (CmpInst::Predicate P, Value *LHS, Value *RHS) const =0
virtual Value *	FoldGEP (Type *Ty, Value *Ptr, ArrayRef< Value * > IdxList, GEPNoWrapFlags NW) const =0
virtual Value *	FoldSelect (Value *C, Value *True, Value *False) const =0
virtual Value *	FoldExtractValue (Value *Agg, ArrayRef< unsigned > IdxList) const =0
virtual Value *	FoldInsertValue (Value *Agg, Value *Val, ArrayRef< unsigned > IdxList) const =0
virtual Value *	FoldExtractElement (Value *Vec, Value *Idx) const =0
virtual Value *	FoldInsertElement (Value *Vec, Value *NewElt, Value *Idx) const =0
virtual Value *	FoldShuffleVector (Value *V1, Value *V2, ArrayRef< int > Mask) const =0
virtual Value *	FoldCast (Instruction::CastOps Op, Value *V, Type *DestTy) const =0
virtual Value *	FoldBinaryIntrinsic (Intrinsic::ID ID, Value *LHS, Value *RHS, Type *Ty, Instruction *FMFSource=nullptr) const =0
virtual Value *	CreatePointerCast (Constant *C, Type *DestTy) const =0
virtual Value *	CreatePointerBitCastOrAddrSpaceCast (Constant *C, Type *DestTy) const =0

Detailed Description

ConstantFolder - Create constants with minimum, target independent, folding.

Definition at line 30 of file ConstantFolder.h.

Constructor & Destructor Documentation

ConstantFolder()

llvm::ConstantFolder::ConstantFolder ( )

explicitdefault

Member Function Documentation

CreatePointerBitCastOrAddrSpaceCast()

Constant * llvm::ConstantFolder::CreatePointerBitCastOrAddrSpaceCast ( Constant *  C, Type *  DestTy  ) const

inlineoverridevirtual

Implements llvm::IRBuilderFolder.

Definition at line 197 of file ConstantFolder.h.

References llvm::CallingConv::C, and llvm::ConstantExpr::getPointerBitCastOrAddrSpaceCast().

CreatePointerCast()

Constant * llvm::ConstantFolder::CreatePointerCast ( Constant *  C, Type *  DestTy  ) const

inlineoverridevirtual

Implements llvm::IRBuilderFolder.

Definition at line 193 of file ConstantFolder.h.

References llvm::CallingConv::C, and llvm::ConstantExpr::getPointerCast().

FoldBinaryIntrinsic()

Value * llvm::ConstantFolder::FoldBinaryIntrinsic ( Intrinsic::ID  ID, Value *  LHS, Value *  RHS, Type *  Ty, Instruction *  FMFSource  ) const

inlineoverridevirtual

Implements llvm::IRBuilderFolder.

Definition at line 183 of file ConstantFolder.h.

FoldBinOp()

Value * llvm::ConstantFolder::FoldBinOp ( Instruction::BinaryOps  Opc, Value *  LHS, Value *  RHS  ) const

inlineoverridevirtual

Implements llvm::IRBuilderFolder.

Definition at line 43 of file ConstantFolder.h.

References llvm::ConstantFoldBinaryInstruction(), llvm::ConstantExpr::get(), llvm::ConstantExpr::isDesirableBinOp(), LHS, and RHS.

Referenced by FoldBinOpFMF().

FoldBinOpFMF()

Value * llvm::ConstantFolder::FoldBinOpFMF ( Instruction::BinaryOps  Opc, Value *  LHS, Value *  RHS, FastMathFlags  FMF  ) const

inlineoverridevirtual

Implements llvm::IRBuilderFolder.

Definition at line 86 of file ConstantFolder.h.

References FoldBinOp(), LHS, and RHS.

FoldCast()

Value * llvm::ConstantFolder::FoldCast ( Instruction::CastOps  Op, Value *  V, Type *  DestTy  ) const

inlineoverridevirtual

Implements llvm::IRBuilderFolder.

Definition at line 173 of file ConstantFolder.h.

References llvm::CallingConv::C, llvm::ConstantFoldCastInstruction(), llvm::ConstantExpr::getCast(), and llvm::ConstantExpr::isDesirableCastOp().

FoldCmp()

Value * llvm::ConstantFolder::FoldCmp ( CmpInst::Predicate  P, Value *  LHS, Value *  RHS  ) const

inlineoverridevirtual

Implements llvm::IRBuilderFolder.

Definition at line 98 of file ConstantFolder.h.

References llvm::ConstantFoldCompareInstruction(), LHS, P, and RHS.

FoldExactBinOp()

Value * llvm::ConstantFolder::FoldExactBinOp ( Instruction::BinaryOps  Opc, Value *  LHS, Value *  RHS, bool  IsExact  ) const

inlineoverridevirtual

Implements llvm::IRBuilderFolder.

Definition at line 55 of file ConstantFolder.h.

References llvm::ConstantFoldBinaryInstruction(), llvm::ConstantExpr::get(), llvm::ConstantExpr::isDesirableBinOp(), llvm::PossiblyExactOperator::IsExact, LHS, and RHS.

FoldExtractElement()

Value * llvm::ConstantFolder::FoldExtractElement ( Value *  Vec, Value *  Idx  ) const

inlineoverridevirtual

Implements llvm::IRBuilderFolder.

Definition at line 146 of file ConstantFolder.h.

References llvm::ConstantExpr::getExtractElement(), and Idx.

FoldExtractValue()

Value * llvm::ConstantFolder::FoldExtractValue ( Value *  Agg, ArrayRef< unsigned >  IdxList  ) const

inlineoverridevirtual

Implements llvm::IRBuilderFolder.

Definition at line 130 of file ConstantFolder.h.

References llvm::ConstantFoldExtractValueInstruction().

FoldGEP()

Value * llvm::ConstantFolder::FoldGEP ( Type *  Ty, Value *  Ptr, ArrayRef< Value * >  IdxList, GEPNoWrapFlags  NW  ) const

inlineoverridevirtual

Implements llvm::IRBuilderFolder.

Definition at line 106 of file ConstantFolder.h.

References llvm::any_of(), llvm::ConstantExpr::getGetElementPtr(), llvm::ConstantExpr::isSupportedGetElementPtr(), and Ptr.

FoldInsertElement()

Value * llvm::ConstantFolder::FoldInsertElement ( Value *  Vec, Value *  NewElt, Value *  Idx  ) const

inlineoverridevirtual

Implements llvm::IRBuilderFolder.

Definition at line 154 of file ConstantFolder.h.

References llvm::ConstantExpr::getInsertElement(), and Idx.

FoldInsertValue()

Value * llvm::ConstantFolder::FoldInsertValue ( Value *  Agg, Value *  Val, ArrayRef< unsigned >  IdxList  ) const

inlineoverridevirtual

Implements llvm::IRBuilderFolder.

Definition at line 137 of file ConstantFolder.h.

References llvm::ConstantFoldInsertValueInstruction().

FoldNoWrapBinOp()

Value * llvm::ConstantFolder::FoldNoWrapBinOp ( Instruction::BinaryOps  Opc, Value *  LHS, Value *  RHS, bool  HasNUW, bool  HasNSW  ) const

inlineoverridevirtual

Implements llvm::IRBuilderFolder.

Definition at line 68 of file ConstantFolder.h.

References llvm::ConstantFoldBinaryInstruction(), llvm::ConstantExpr::get(), llvm::ConstantExpr::isDesirableBinOp(), LHS, llvm::OverflowingBinaryOperator::NoSignedWrap, llvm::OverflowingBinaryOperator::NoUnsignedWrap, and RHS.

FoldSelect()

Value * llvm::ConstantFolder::FoldSelect ( Value *  C, Value *  True, Value *  False  ) const

inlineoverridevirtual

Implements llvm::IRBuilderFolder.

Definition at line 121 of file ConstantFolder.h.

References llvm::CallingConv::C, CC, and llvm::ConstantFoldSelectInstruction().

FoldShuffleVector()

Value * llvm::ConstantFolder::FoldShuffleVector ( Value *  V1, Value *  V2, ArrayRef< int >  Mask  ) const

inlineoverridevirtual

Implements llvm::IRBuilderFolder.

Definition at line 164 of file ConstantFolder.h.

References llvm::ConstantExpr::getShuffleVector().

FoldUnOpFMF()

Value * llvm::ConstantFolder::FoldUnOpFMF ( Instruction::UnaryOps  Opc, Value *  V, FastMathFlags  FMF  ) const

inlineoverridevirtual

Implements llvm::IRBuilderFolder.

Definition at line 91 of file ConstantFolder.h.

References llvm::CallingConv::C, and llvm::ConstantFoldUnaryInstruction().

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The documentation for this class was generated from the following files:

• include/llvm/IR/ConstantFolder.h
• lib/IR/IRBuilder.cpp