1//===-- IndirectCallVisitor.h - indirect call visitor ---------------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8//
9// This file implements defines a visitor class and a helper function that find
10// all indirect call-sites in a function.
11
12#ifndef LLVM_ANALYSIS_INDIRECTCALLVISITOR_H
13#define LLVM_ANALYSIS_INDIRECTCALLVISITOR_H
14
15#include "llvm/IR/InstVisitor.h"
16#include <vector>
17
18namespace llvm {
19// Visitor class that finds all indirect call.
20struct PGOIndirectCallVisitor : public InstVisitor<PGOIndirectCallVisitor> {
21 std::vector<CallBase *> IndirectCalls;
22 PGOIndirectCallVisitor() = default;
23
24 void visitCallBase(CallBase &Call) {
25 if (Call.isIndirectCall())
26 IndirectCalls.push_back(x: &Call);
27 }
28};
29
30// Helper function that finds all indirect call sites.
31inline std::vector<CallBase *> findIndirectCalls(Function &F) {
32 PGOIndirectCallVisitor ICV;
33 ICV.visit(F);
34 return ICV.IndirectCalls;
35}
36} // namespace llvm
37
38#endif
39

source code of llvm/include/llvm/Analysis/IndirectCallVisitor.h