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38c59de6b1
This commit fixes llvm-cov's function coverage metric by using the number of executed functions instead of the number of fully covered functions. Differential Revision: http://reviews.llvm.org/D5196 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@218672 91177308-0d34-0410-b5e6-96231b3b80d8
93 lines
3.3 KiB
C++
93 lines
3.3 KiB
C++
//===- CoverageSummary.cpp - Code coverage summary ------------------------===//
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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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// This class implements data management and rendering for the code coverage
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// summaries of all files and functions.
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//
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//===----------------------------------------------------------------------===//
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#include "CoverageSummary.h"
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#include "llvm/Support/FileSystem.h"
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#include "llvm/Support/Format.h"
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using namespace llvm;
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unsigned CoverageSummary::getFileID(StringRef Filename) {
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for (unsigned I = 0, E = Filenames.size(); I < E; ++I) {
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if (sys::fs::equivalent(Filenames[I], Filename))
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return I;
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}
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Filenames.push_back(Filename);
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return Filenames.size() - 1;
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}
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void
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CoverageSummary::createSummaries(ArrayRef<coverage::FunctionRecord> Functions) {
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std::vector<std::pair<unsigned, size_t>> FunctionFileIDs;
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FunctionFileIDs.resize(Functions.size());
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for (size_t I = 0, E = Functions.size(); I < E; ++I) {
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StringRef Filename = Functions[I].Filenames[0];
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FunctionFileIDs[I] = std::make_pair(getFileID(Filename), I);
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}
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// Sort the function records by file ids
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std::sort(FunctionFileIDs.begin(), FunctionFileIDs.end(),
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[](const std::pair<unsigned, size_t> &lhs,
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const std::pair<unsigned, size_t> &rhs) {
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return lhs.first < rhs.first;
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});
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// Create function summaries in a sorted order (by file ids)
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FunctionSummaries.reserve(Functions.size());
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for (size_t I = 0, E = Functions.size(); I < E; ++I)
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FunctionSummaries.push_back(
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FunctionCoverageSummary::get(Functions[FunctionFileIDs[I].second]));
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// Create file summaries
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size_t CurrentSummary = 0;
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for (unsigned FileID = 0; FileID < Filenames.size(); ++FileID) {
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// Gather the relevant functions summaries
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auto PrevSummary = CurrentSummary;
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while (CurrentSummary < FunctionSummaries.size() &&
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FunctionFileIDs[CurrentSummary].first == FileID)
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++CurrentSummary;
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ArrayRef<FunctionCoverageSummary> LocalSummaries(
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FunctionSummaries.data() + PrevSummary,
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FunctionSummaries.data() + CurrentSummary);
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if (LocalSummaries.empty())
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continue;
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FileSummaries.push_back(
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FileCoverageSummary::get(Filenames[FileID], LocalSummaries));
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}
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}
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FileCoverageSummary CoverageSummary::getCombinedFileSummaries() {
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size_t NumRegions = 0, CoveredRegions = 0;
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size_t NumLines = 0, NonCodeLines = 0, CoveredLines = 0;
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size_t NumFunctionsExecuted = 0, NumFunctions = 0;
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for (const auto &File : FileSummaries) {
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NumRegions += File.RegionCoverage.NumRegions;
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CoveredRegions += File.RegionCoverage.Covered;
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NumLines += File.LineCoverage.NumLines;
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NonCodeLines += File.LineCoverage.NonCodeLines;
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CoveredLines += File.LineCoverage.Covered;
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NumFunctionsExecuted += File.FunctionCoverage.Executed;
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NumFunctions += File.FunctionCoverage.NumFunctions;
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}
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return FileCoverageSummary(
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"TOTAL", RegionCoverageInfo(CoveredRegions, NumRegions),
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LineCoverageInfo(CoveredLines, NonCodeLines, NumLines),
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FunctionCoverageInfo(NumFunctionsExecuted, NumFunctions),
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None);
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}
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