//
// The LLVM Compiler Infrastructure
//
-// This file was developed by the LLVM research group and is distributed under
-// the University of Illinois Open Source License. See LICENSE.TXT for details.
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// interfaces are used by the ConstantExpr::get* methods to automatically fold
// constants when possible.
//
-// These operators may return a null object if I don't know how to perform the
-// specified operation on the specified constant types.
+// 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
-#include <vector>
-
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
- const Constant *V, ///< The source constant
+ Constant *V, ///< The source constant
const Type *DestTy ///< The destination type
);
- Constant *ConstantFoldSelectInstruction(const Constant *Cond,
- const Constant *V1,
- const Constant *V2);
- Constant *ConstantFoldExtractElementInstruction(const Constant *Val,
- const Constant *Idx);
- Constant *ConstantFoldInsertElementInstruction(const Constant *Val,
- const Constant *Elt,
- const Constant *Idx);
- Constant *ConstantFoldShuffleVectorInstruction(const Constant *V1,
- const Constant *V2,
- const Constant *Mask);
- Constant *ConstantFoldBinaryInstruction(unsigned Opcode, const Constant *V1,
- const Constant *V2);
- Constant *ConstantFoldCompare(unsigned opcode, Constant *C1, Constant *C2,
- unsigned short predicate);
- Constant *ConstantFoldGetElementPtr(const Constant *C,
- const std::vector<Value*> &IdxList);
+ 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