llvm/bolt/include/bolt/Passes/RegAnalysis.h

//===- bolt/Passes/RegAnalysis.h --------------------------------*- 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
//
//===----------------------------------------------------------------------===//

#ifndef BOLT_PASSES_REGANALYSIS_H
#define BOLT_PASSES_REGANALYSIS_H

#include "llvm/ADT/BitVector.h"
#include <cstdint>
#include <map>

namespace llvm {
class MCInst;

namespace bolt {
class BinaryContext;
class BinaryFunction;
class BinaryFunctionCallGraph;

/// Determine the set of registers read or clobbered for each instruction
/// in a BinaryFunction. If the instruction is a call, this analysis rely on
/// a call graph traversal to accurately extract the set of registers touched
/// after the call returns.
class RegAnalysis { … };

} // namespace bolt
} // namespace llvm

#endif