| //===- CountVisits.cpp ----------------------------------------------------===// |
| // |
| // 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 |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "llvm/Transforms/Utils/CountVisits.h" |
| #include "llvm/ADT/Statistic.h" |
| #include "llvm/IR/PassManager.h" |
| |
| using namespace llvm; |
| |
| #define DEBUG_TYPE "count-visits" |
| |
| STATISTIC(MaxVisited, "Max number of times we visited a function"); |
| |
| PreservedAnalyses CountVisitsPass::run(Function &F, FunctionAnalysisManager &) { |
| uint32_t Count = Counts[F.getName()] + 1; |
| Counts[F.getName()] = Count; |
| if (Count > MaxVisited) |
| MaxVisited = Count; |
| return PreservedAnalyses::all(); |
| } |