mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-24 03:33:20 +01:00
ca1f29ee1b
folder removes a lot of const_casting and requires no changes to clang or llvm-gcc. llvm-svn: 82349
70 lines
3.3 KiB
C++
70 lines
3.3 KiB
C++
//===-- ConstantFolding.h - Internal Constant Folding Interface -*- 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 (internal) constant folding interfaces for LLVM. These
|
|
// interfaces are used by the ConstantExpr::get* methods to automatically fold
|
|
// constants when possible.
|
|
//
|
|
// These operators may return a null object if they don't know how to perform
|
|
// the specified operation on the specified constant types.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef CONSTANTFOLDING_H
|
|
#define CONSTANTFOLDING_H
|
|
|
|
namespace llvm {
|
|
class Value;
|
|
class Constant;
|
|
class Type;
|
|
class LLVMContext;
|
|
|
|
// Constant fold various types of instruction...
|
|
Constant *ConstantFoldCastInstruction(
|
|
LLVMContext &Context,
|
|
unsigned opcode, ///< The opcode of the cast
|
|
Constant *V, ///< The source constant
|
|
const Type *DestTy ///< The destination type
|
|
);
|
|
Constant *ConstantFoldSelectInstruction(LLVMContext &Context,
|
|
Constant *Cond,
|
|
Constant *V1, Constant *V2);
|
|
Constant *ConstantFoldExtractElementInstruction(LLVMContext &Context,
|
|
Constant *Val,
|
|
Constant *Idx);
|
|
Constant *ConstantFoldInsertElementInstruction(LLVMContext &Context,
|
|
Constant *Val,
|
|
Constant *Elt,
|
|
Constant *Idx);
|
|
Constant *ConstantFoldShuffleVectorInstruction(LLVMContext &Context,
|
|
Constant *V1,
|
|
Constant *V2,
|
|
Constant *Mask);
|
|
Constant *ConstantFoldExtractValueInstruction(LLVMContext &Context,
|
|
Constant *Agg,
|
|
const unsigned *Idxs,
|
|
unsigned NumIdx);
|
|
Constant *ConstantFoldInsertValueInstruction(LLVMContext &Context,
|
|
Constant *Agg,
|
|
Constant *Val,
|
|
const unsigned *Idxs,
|
|
unsigned NumIdx);
|
|
Constant *ConstantFoldBinaryInstruction(LLVMContext &Context,
|
|
unsigned Opcode, Constant *V1,
|
|
Constant *V2);
|
|
Constant *ConstantFoldCompareInstruction(LLVMContext &Context,
|
|
unsigned short predicate,
|
|
Constant *C1, Constant *C2);
|
|
Constant *ConstantFoldGetElementPtr(LLVMContext &Context, Constant *C,
|
|
bool inBounds,
|
|
Constant* const *Idxs, unsigned NumIdx);
|
|
} // End llvm namespace
|
|
|
|
#endif
|