mirror of
https://github.com/hedge-dev/XenonRecomp.git
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132 lines
6.2 KiB
C
132 lines
6.2 KiB
C
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//===- IRBuilderFolder.h - Const folder interface for IRBuilder -*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// This file defines for constant folding interface used by IRBuilder.
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// It is implemented by ConstantFolder (default), TargetFolder and NoFoler.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_IR_IRBUILDERFOLDER_H
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#define LLVM_IR_IRBUILDERFOLDER_H
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#include "llvm/ADT/ArrayRef.h"
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#include "llvm/IR/InstrTypes.h"
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#include "llvm/IR/Instruction.h"
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namespace llvm {
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/// IRBuilderFolder - Interface for constant folding in IRBuilder.
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class IRBuilderFolder {
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public:
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virtual ~IRBuilderFolder();
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//===--------------------------------------------------------------------===//
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// Value-based folders.
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//
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// Return an existing value or a constant if the operation can be simplified.
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// Otherwise return nullptr.
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//===--------------------------------------------------------------------===//
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virtual Value *FoldAdd(Value *LHS, Value *RHS, bool HasNUW = false,
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bool HasNSW = false) const = 0;
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virtual Value *FoldAnd(Value *LHS, Value *RHS) const = 0;
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virtual Value *FoldOr(Value *LHS, Value *RHS) const = 0;
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virtual Value *FoldICmp(CmpInst::Predicate P, Value *LHS,
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Value *RHS) const = 0;
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virtual Value *FoldGEP(Type *Ty, Value *Ptr, ArrayRef<Value *> IdxList,
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bool IsInBounds = false) const = 0;
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virtual Value *FoldSelect(Value *C, Value *True, Value *False) const = 0;
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//===--------------------------------------------------------------------===//
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// Binary Operators
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//===--------------------------------------------------------------------===//
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virtual Value *CreateFAdd(Constant *LHS, Constant *RHS) const = 0;
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virtual Value *CreateSub(Constant *LHS, Constant *RHS,
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bool HasNUW = false, bool HasNSW = false) const = 0;
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virtual Value *CreateFSub(Constant *LHS, Constant *RHS) const = 0;
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virtual Value *CreateMul(Constant *LHS, Constant *RHS,
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bool HasNUW = false, bool HasNSW = false) const = 0;
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virtual Value *CreateFMul(Constant *LHS, Constant *RHS) const = 0;
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virtual Value *CreateUDiv(Constant *LHS, Constant *RHS,
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bool isExact = false) const = 0;
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virtual Value *CreateSDiv(Constant *LHS, Constant *RHS,
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bool isExact = false) const = 0;
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virtual Value *CreateFDiv(Constant *LHS, Constant *RHS) const = 0;
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virtual Value *CreateURem(Constant *LHS, Constant *RHS) const = 0;
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virtual Value *CreateSRem(Constant *LHS, Constant *RHS) const = 0;
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virtual Value *CreateFRem(Constant *LHS, Constant *RHS) const = 0;
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virtual Value *CreateShl(Constant *LHS, Constant *RHS,
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bool HasNUW = false, bool HasNSW = false) const = 0;
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virtual Value *CreateLShr(Constant *LHS, Constant *RHS,
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bool isExact = false) const = 0;
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virtual Value *CreateAShr(Constant *LHS, Constant *RHS,
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bool isExact = false) const = 0;
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virtual Value *CreateXor(Constant *LHS, Constant *RHS) const = 0;
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virtual Value *CreateBinOp(Instruction::BinaryOps Opc,
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Constant *LHS, Constant *RHS) const = 0;
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//===--------------------------------------------------------------------===//
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// Unary Operators
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//===--------------------------------------------------------------------===//
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virtual Value *CreateNeg(Constant *C,
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bool HasNUW = false, bool HasNSW = false) const = 0;
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virtual Value *CreateFNeg(Constant *C) const = 0;
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virtual Value *CreateNot(Constant *C) const = 0;
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virtual Value *CreateUnOp(Instruction::UnaryOps Opc, Constant *C) const = 0;
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//===--------------------------------------------------------------------===//
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// Cast/Conversion Operators
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//===--------------------------------------------------------------------===//
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virtual Value *CreateCast(Instruction::CastOps Op, Constant *C,
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Type *DestTy) const = 0;
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virtual Value *CreatePointerCast(Constant *C, Type *DestTy) const = 0;
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virtual Value *CreatePointerBitCastOrAddrSpaceCast(Constant *C,
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Type *DestTy) const = 0;
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virtual Value *CreateIntCast(Constant *C, Type *DestTy,
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bool isSigned) const = 0;
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virtual Value *CreateFPCast(Constant *C, Type *DestTy) const = 0;
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virtual Value *CreateBitCast(Constant *C, Type *DestTy) const = 0;
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virtual Value *CreateIntToPtr(Constant *C, Type *DestTy) const = 0;
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virtual Value *CreatePtrToInt(Constant *C, Type *DestTy) const = 0;
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virtual Value *CreateZExtOrBitCast(Constant *C, Type *DestTy) const = 0;
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virtual Value *CreateSExtOrBitCast(Constant *C, Type *DestTy) const = 0;
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virtual Value *CreateTruncOrBitCast(Constant *C, Type *DestTy) const = 0;
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//===--------------------------------------------------------------------===//
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// Compare Instructions
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//===--------------------------------------------------------------------===//
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virtual Value *CreateFCmp(CmpInst::Predicate P, Constant *LHS,
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Constant *RHS) const = 0;
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//===--------------------------------------------------------------------===//
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// Other Instructions
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//===--------------------------------------------------------------------===//
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virtual Value *CreateExtractElement(Constant *Vec, Constant *Idx) const = 0;
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virtual Value *CreateInsertElement(Constant *Vec, Constant *NewElt,
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Constant *Idx) const = 0;
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virtual Value *CreateShuffleVector(Constant *V1, Constant *V2,
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ArrayRef<int> Mask) const = 0;
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virtual Value *CreateExtractValue(Constant *Agg,
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ArrayRef<unsigned> IdxList) const = 0;
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virtual Value *CreateInsertValue(Constant *Agg, Constant *Val,
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ArrayRef<unsigned> IdxList) const = 0;
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};
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} // end namespace llvm
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#endif // LLVM_IR_IRBUILDERFOLDER_H
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