Andrew Walbran | 16937d0 | 2019-10-22 13:54:20 +0100 | [diff] [blame] | 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> { |
Olivier Deprez | f4ef2d0 | 2021-04-20 13:36:24 +0200 | [diff] [blame] | 21 | std::vector<CallBase *> IndirectCalls; |
Andrew Walbran | 16937d0 | 2019-10-22 13:54:20 +0100 | [diff] [blame] | 22 | PGOIndirectCallVisitor() {} |
| 23 | |
| 24 | void visitCallBase(CallBase &Call) { |
| 25 | if (Call.isIndirectCall()) |
| 26 | IndirectCalls.push_back(&Call); |
| 27 | } |
| 28 | }; |
| 29 | |
| 30 | // Helper function that finds all indirect call sites. |
Olivier Deprez | f4ef2d0 | 2021-04-20 13:36:24 +0200 | [diff] [blame] | 31 | inline std::vector<CallBase *> findIndirectCalls(Function &F) { |
Andrew Walbran | 16937d0 | 2019-10-22 13:54:20 +0100 | [diff] [blame] | 32 | PGOIndirectCallVisitor ICV; |
| 33 | ICV.visit(F); |
| 34 | return ICV.IndirectCalls; |
| 35 | } |
| 36 | } // namespace llvm |
| 37 | |
| 38 | #endif |