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 | |
18 | namespace llvm { |
19 | // Visitor class that finds all indirect call. |
20 | struct 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. |
31 | inline 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 | |