llvm/llvm/include/llvm/Transforms/Utils/Evaluator.h

//===- Evaluator.h - LLVM IR evaluator --------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// Function evaluator for LLVM IR.
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_TRANSFORMS_UTILS_EVALUATOR_H
#define LLVM_TRANSFORMS_UTILS_EVALUATOR_H

#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/SmallPtrSet.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/IR/BasicBlock.h"
#include "llvm/IR/GlobalVariable.h"
#include "llvm/Support/Casting.h"
#include <cassert>
#include <deque>
#include <memory>

namespace llvm {

class CallBase;
class DataLayout;
class Function;
class TargetLibraryInfo;

/// This class evaluates LLVM IR, producing the Constant representing each SSA
/// instruction.  Changes to global variables are stored in a mapping that can
/// be iterated over after the evaluation is complete.  Once an evaluation call
/// fails, the evaluation object should not be reused.
class Evaluator { … };

} // end namespace llvm

#endif // LLVM_TRANSFORMS_UTILS_EVALUATOR_H