Subversion Repositories QNX 8.QNX8 LLVM/Clang compiler suite

//===-- IndirectCallVisitor.h - indirect call visitor ---------------------===//

//

// 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

//

//===----------------------------------------------------------------------===//

//

// This file implements defines a visitor class and a helper function that find

// all indirect call-sites in a function.

#ifndef LLVM_ANALYSIS_INDIRECTCALLVISITOR_H

#define LLVM_ANALYSIS_INDIRECTCALLVISITOR_H

#include "llvm/IR/InstVisitor.h"

#include <vector>

namespace llvm {

// Visitor class that finds all indirect call.

struct PGOIndirectCallVisitor : public InstVisitor<PGOIndirectCallVisitor> {

  std::vector<CallBase *> IndirectCalls;

  PGOIndirectCallVisitor() = default;

  void visitCallBase(CallBase &Call) {

    if (Call.isIndirectCall())

      IndirectCalls.push_back(&Call);

  }

};

// Helper function that finds all indirect call sites.

inline std::vector<CallBase *> findIndirectCalls(Function &F) {

  PGOIndirectCallVisitor ICV;

  ICV.visit(F);

  return ICV.IndirectCalls;

}

} // namespace llvm

#endif