mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2025-11-03 14:21:30 +00:00
bd9d37026a
by Analysis and Transformation passes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24038 91177308-0d34-0410-b5e6-96231b3b80d8
37 lines
1.3 KiB
C++
37 lines
1.3 KiB
C++
//===-- ConstantFolding.h - Analyze constant folding possibilities --------===//
|
|
//
|
|
// 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 family of functions determines the possibility of performing constant
|
|
// folding.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "llvm/Constants.h"
|
|
#include "llvm/Function.h"
|
|
using namespace llvm;
|
|
|
|
namespace llvm {
|
|
|
|
/// canConstantFoldCallTo - Return true if its even possible to fold a call to
|
|
/// the specified function.
|
|
extern
|
|
bool canConstantFoldCallTo(Function *F);
|
|
|
|
/// ConstantFoldFP - Given a function that evaluates the constant, return an
|
|
/// LLVM Constant that represents the evaluated constant
|
|
extern Constant *
|
|
ConstantFoldFP(double (*NativeFP)(double), double V, const Type *Ty);
|
|
|
|
/// ConstantFoldCall - Attempt to constant fold a call to the specified function
|
|
/// with the specified arguments, returning null if unsuccessful.
|
|
extern Constant *
|
|
ConstantFoldCall(Function *F, const std::vector<Constant*> &Operands);
|
|
}
|
|
|