25 lines
853 B
C++
25 lines
853 B
C++
//===- CountVisits.cpp ----------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/Transforms/Utils/CountVisits.h"
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#include "llvm/ADT/Statistic.h"
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#include "llvm/IR/PassManager.h"
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using namespace llvm;
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#define DEBUG_TYPE "count-visits"
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STATISTIC(MaxVisited, "Max number of times we visited a function");
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PreservedAnalyses CountVisitsPass::run(Function &F, FunctionAnalysisManager &) {
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uint32_t Count = Counts[F.getName()] + 1;
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Counts[F.getName()] = Count;
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if (Count > MaxVisited)
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MaxVisited = Count;
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return PreservedAnalyses::all();
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}
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