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1b279144ec
utils/sort_includes.py. I clearly haven't done this in a while, so more changed than usual. This even uncovered a missing include from the InstrProf library that I've added. No functionality changed here, just mechanical cleanup of the include order. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@225974 91177308-0d34-0410-b5e6-96231b3b80d8
128 lines
3.7 KiB
C++
128 lines
3.7 KiB
C++
//===- CoverageFilters.h - Function coverage mapping filters --------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// These classes provide filtering for function coverage mapping records.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_COV_COVERAGEFILTERS_H
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#define LLVM_COV_COVERAGEFILTERS_H
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#include "llvm/ProfileData/CoverageMapping.h"
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#include <memory>
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#include <vector>
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namespace llvm {
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/// \brief Matches specific functions that pass the requirement of this filter.
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class CoverageFilter {
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public:
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virtual ~CoverageFilter() {}
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/// \brief Return true if the function passes the requirements of this filter.
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virtual bool matches(const coverage::FunctionRecord &Function) {
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return true;
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}
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};
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/// \brief Matches functions that contain a specific string in their name.
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class NameCoverageFilter : public CoverageFilter {
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StringRef Name;
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public:
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NameCoverageFilter(StringRef Name) : Name(Name) {}
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bool matches(const coverage::FunctionRecord &Function) override;
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};
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/// \brief Matches functions whose name matches a certain regular expression.
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class NameRegexCoverageFilter : public CoverageFilter {
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StringRef Regex;
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public:
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NameRegexCoverageFilter(StringRef Regex) : Regex(Regex) {}
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bool matches(const coverage::FunctionRecord &Function) override;
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};
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/// \brief Matches numbers that pass a certain threshold.
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template <typename T> class StatisticThresholdFilter {
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public:
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enum Operation { LessThan, GreaterThan };
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protected:
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Operation Op;
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T Threshold;
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StatisticThresholdFilter(Operation Op, T Threshold)
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: Op(Op), Threshold(Threshold) {}
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/// \brief Return true if the given number is less than
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/// or greater than the certain threshold.
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bool PassesThreshold(T Value) const {
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switch (Op) {
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case LessThan:
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return Value < Threshold;
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case GreaterThan:
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return Value > Threshold;
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}
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return false;
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}
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};
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/// \brief Matches functions whose region coverage percentage
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/// is above/below a certain percentage.
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class RegionCoverageFilter : public CoverageFilter,
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public StatisticThresholdFilter<double> {
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public:
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RegionCoverageFilter(Operation Op, double Threshold)
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: StatisticThresholdFilter(Op, Threshold) {}
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bool matches(const coverage::FunctionRecord &Function) override;
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};
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/// \brief Matches functions whose line coverage percentage
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/// is above/below a certain percentage.
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class LineCoverageFilter : public CoverageFilter,
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public StatisticThresholdFilter<double> {
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public:
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LineCoverageFilter(Operation Op, double Threshold)
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: StatisticThresholdFilter(Op, Threshold) {}
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bool matches(const coverage::FunctionRecord &Function) override;
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};
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/// \brief A collection of filters.
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/// Matches functions that match any filters contained
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/// in an instance of this class.
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class CoverageFilters : public CoverageFilter {
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protected:
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std::vector<std::unique_ptr<CoverageFilter>> Filters;
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public:
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/// \brief Append a filter to this collection.
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void push_back(std::unique_ptr<CoverageFilter> Filter);
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bool empty() const { return Filters.empty(); }
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bool matches(const coverage::FunctionRecord &Function) override;
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};
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/// \brief A collection of filters.
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/// Matches functions that match all of the filters contained
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/// in an instance of this class.
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class CoverageFiltersMatchAll : public CoverageFilters {
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public:
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bool matches(const coverage::FunctionRecord &Function) override;
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};
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} // namespace llvm
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#endif // LLVM_COV_COVERAGEFILTERS_H
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