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//===-- llvm/Support/ConstantFolder.h - Constant folding helper -*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file defines the ConstantFolder class, a helper for IRBuilder.
// It provides IRBuilder with a set of methods for creating constants
// with minimal folding. For general constant creation and folding,
// use ConstantExpr and the routines in llvm/Analysis/ConstantFolding.h.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_SUPPORT_CONSTANTFOLDER_H
#define LLVM_SUPPORT_CONSTANTFOLDER_H
#include "llvm/Constants.h"
#include "llvm/InstrTypes.h"
namespace llvm {
/// ConstantFolder - Create constants with minimum, target independent, folding.
class ConstantFolder {
public:
explicit ConstantFolder() {}
//===--------------------------------------------------------------------===//
// Binary Operators
//===--------------------------------------------------------------------===//
Constant *CreateAdd(Constant *LHS, Constant *RHS,
bool HasNUW = false, bool HasNSW = false) const {
return ConstantExpr::getAdd(LHS, RHS, HasNUW, HasNSW);
}
Constant *CreateFAdd(Constant *LHS, Constant *RHS) const {
return ConstantExpr::getFAdd(LHS, RHS);
}
Constant *CreateSub(Constant *LHS, Constant *RHS,
bool HasNUW = false, bool HasNSW = false) const {
return ConstantExpr::getSub(LHS, RHS, HasNUW, HasNSW);
}
Constant *CreateFSub(Constant *LHS, Constant *RHS) const {
return ConstantExpr::getFSub(LHS, RHS);
}
Constant *CreateMul(Constant *LHS, Constant *RHS,
bool HasNUW = false, bool HasNSW = false) const {
return ConstantExpr::getMul(LHS, RHS, HasNUW, HasNSW);
}
Constant *CreateFMul(Constant *LHS, Constant *RHS) const {
return ConstantExpr::getFMul(LHS, RHS);
}
Constant *CreateUDiv(Constant *LHS, Constant *RHS,
bool isExact = false) const {
return ConstantExpr::getUDiv(LHS, RHS, isExact);
}
Constant *CreateSDiv(Constant *LHS, Constant *RHS,
bool isExact = false) const {
return ConstantExpr::getSDiv(LHS, RHS, isExact);
}
Constant *CreateFDiv(Constant *LHS, Constant *RHS) const {
return ConstantExpr::getFDiv(LHS, RHS);
}
Constant *CreateURem(Constant *LHS, Constant *RHS) const {
return ConstantExpr::getURem(LHS, RHS);
}
Constant *CreateSRem(Constant *LHS, Constant *RHS) const {
return ConstantExpr::getSRem(LHS, RHS);
}
Constant *CreateFRem(Constant *LHS, Constant *RHS) const {
return ConstantExpr::getFRem(LHS, RHS);
}
Constant *CreateShl(Constant *LHS, Constant *RHS,
bool HasNUW = false, bool HasNSW = false) const {
return ConstantExpr::getShl(LHS, RHS, HasNUW, HasNSW);
}
Constant *CreateLShr(Constant *LHS, Constant *RHS,
bool isExact = false) const {
return ConstantExpr::getLShr(LHS, RHS, isExact);
}
Constant *CreateAShr(Constant *LHS, Constant *RHS,
bool isExact = false) const {
return ConstantExpr::getAShr(LHS, RHS, isExact);
}
Constant *CreateAnd(Constant *LHS, Constant *RHS) const {
return ConstantExpr::getAnd(LHS, RHS);
}
Constant *CreateOr(Constant *LHS, Constant *RHS) const {
return ConstantExpr::getOr(LHS, RHS);
}
Constant *CreateXor(Constant *LHS, Constant *RHS) const {
return ConstantExpr::getXor(LHS, RHS);
}
Constant *CreateBinOp(Instruction::BinaryOps Opc,
Constant *LHS, Constant *RHS) const {
return ConstantExpr::get(Opc, LHS, RHS);
}
//===--------------------------------------------------------------------===//
// Unary Operators
//===--------------------------------------------------------------------===//
Constant *CreateNeg(Constant *C,
bool HasNUW = false, bool HasNSW = false) const {
return ConstantExpr::getNeg(C, HasNUW, HasNSW);
}
Constant *CreateFNeg(Constant *C) const {
return ConstantExpr::getFNeg(C);
}
Constant *CreateNot(Constant *C) const {
return ConstantExpr::getNot(C);
}
//===--------------------------------------------------------------------===//
// Memory Instructions
//===--------------------------------------------------------------------===//
Constant *CreateGetElementPtr(Constant *C,
ArrayRef<Constant *> IdxList) const {
return ConstantExpr::getGetElementPtr(C, IdxList);
}
Constant *CreateGetElementPtr(Constant *C, Constant *Idx) const {
// This form of the function only exists to avoid ambiguous overload
// warnings about whether to convert Idx to ArrayRef<Constant *> or
// ArrayRef<Value *>.
return ConstantExpr::getGetElementPtr(C, Idx);
}
Constant *CreateGetElementPtr(Constant *C,
ArrayRef<Value *> IdxList) const {
return ConstantExpr::getGetElementPtr(C, IdxList);
}
Constant *CreateInBoundsGetElementPtr(Constant *C,
ArrayRef<Constant *> IdxList) const {
return ConstantExpr::getInBoundsGetElementPtr(C, IdxList);
}
Constant *CreateInBoundsGetElementPtr(Constant *C, Constant *Idx) const {
// This form of the function only exists to avoid ambiguous overload
// warnings about whether to convert Idx to ArrayRef<Constant *> or
// ArrayRef<Value *>.
return ConstantExpr::getInBoundsGetElementPtr(C, Idx);
}
Constant *CreateInBoundsGetElementPtr(Constant *C,
ArrayRef<Value *> IdxList) const {
return ConstantExpr::getInBoundsGetElementPtr(C, IdxList);
}
//===--------------------------------------------------------------------===//
// Cast/Conversion Operators
//===--------------------------------------------------------------------===//
Constant *CreateCast(Instruction::CastOps Op, Constant *C,
Type *DestTy) const {
return ConstantExpr::getCast(Op, C, DestTy);
}
Constant *CreatePointerCast(Constant *C, Type *DestTy) const {
return ConstantExpr::getPointerCast(C, DestTy);
}
Constant *CreateIntCast(Constant *C, Type *DestTy,
bool isSigned) const {
return ConstantExpr::getIntegerCast(C, DestTy, isSigned);
}
Constant *CreateFPCast(Constant *C, Type *DestTy) const {
return ConstantExpr::getFPCast(C, DestTy);
}
Constant *CreateBitCast(Constant *C, Type *DestTy) const {
return CreateCast(Instruction::BitCast, C, DestTy);
}
Constant *CreateIntToPtr(Constant *C, Type *DestTy) const {
return CreateCast(Instruction::IntToPtr, C, DestTy);
}
Constant *CreatePtrToInt(Constant *C, Type *DestTy) const {
return CreateCast(Instruction::PtrToInt, C, DestTy);
}
Constant *CreateZExtOrBitCast(Constant *C, Type *DestTy) const {
return ConstantExpr::getZExtOrBitCast(C, DestTy);
}
Constant *CreateSExtOrBitCast(Constant *C, Type *DestTy) const {
return ConstantExpr::getSExtOrBitCast(C, DestTy);
}
Constant *CreateTruncOrBitCast(Constant *C, Type *DestTy) const {
return ConstantExpr::getTruncOrBitCast(C, DestTy);
}
//===--------------------------------------------------------------------===//
// Compare Instructions
//===--------------------------------------------------------------------===//
Constant *CreateICmp(CmpInst::Predicate P, Constant *LHS,
Constant *RHS) const {
return ConstantExpr::getCompare(P, LHS, RHS);
}
Constant *CreateFCmp(CmpInst::Predicate P, Constant *LHS,
Constant *RHS) const {
return ConstantExpr::getCompare(P, LHS, RHS);
}
//===--------------------------------------------------------------------===//
// Other Instructions
//===--------------------------------------------------------------------===//
Constant *CreateSelect(Constant *C, Constant *True, Constant *False) const {
return ConstantExpr::getSelect(C, True, False);
}
Constant *CreateExtractElement(Constant *Vec, Constant *Idx) const {
return ConstantExpr::getExtractElement(Vec, Idx);
}
Constant *CreateInsertElement(Constant *Vec, Constant *NewElt,
Constant *Idx) const {
return ConstantExpr::getInsertElement(Vec, NewElt, Idx);
}
Constant *CreateShuffleVector(Constant *V1, Constant *V2,
Constant *Mask) const {
return ConstantExpr::getShuffleVector(V1, V2, Mask);
}
Constant *CreateExtractValue(Constant *Agg,
ArrayRef<unsigned> IdxList) const {
return ConstantExpr::getExtractValue(Agg, IdxList);
}
Constant *CreateInsertValue(Constant *Agg, Constant *Val,
ArrayRef<unsigned> IdxList) const {
return ConstantExpr::getInsertValue(Agg, Val, IdxList);
}
};
}
#endif
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