#include "llvm/ProfileData/CoverageMapping.h"
#include "llvm/ProfileData/CoverageMappingReader.h"
#include "llvm/ProfileData/CoverageMappingWriter.h"
+#include "llvm/ProfileData/InstrProfReader.h"
+#include "llvm/ProfileData/InstrProfWriter.h"
#include "llvm/Support/raw_ostream.h"
#include "gtest/gtest.h"
else
*os << "Counter " << C.getCounterID();
}
+
+void PrintTo(const CoverageSegment &S, ::std::ostream *os) {
+ *os << "CoverageSegment(" << S.Line << ", " << S.Col << ", ";
+ if (S.HasCount)
+ *os << S.Count << ", ";
+ *os << (S.IsRegionEntry ? "true" : "false") << ")";
+}
}
}
namespace {
+struct OneFunctionCoverageReader : CoverageMappingReader {
+ StringRef Name;
+ uint64_t Hash;
+ std::vector<StringRef> Filenames;
+ ArrayRef<CounterMappingRegion> Regions;
+ bool Done;
+
+ OneFunctionCoverageReader(StringRef Name, uint64_t Hash,
+ ArrayRef<StringRef> Filenames,
+ ArrayRef<CounterMappingRegion> Regions)
+ : Name(Name), Hash(Hash), Filenames(Filenames), Regions(Regions),
+ Done(false) {}
+
+ std::error_code readNextRecord(CoverageMappingRecord &Record) override {
+ if (Done)
+ return instrprof_error::eof;
+ Done = true;
+
+ Record.FunctionName = Name;
+ Record.FunctionHash = Hash;
+ Record.Filenames = Filenames;
+ Record.Expressions = {};
+ Record.MappingRegions = Regions;
+ return instrprof_error::success;
+ }
+};
+
struct CoverageMappingTest : ::testing::Test {
StringMap<unsigned> Files;
unsigned NextFile;
std::vector<CounterExpression> OutputExpressions;
std::vector<CounterMappingRegion> OutputCMRs;
+ InstrProfWriter ProfileWriter;
+ std::unique_ptr<IndexedInstrProfReader> ProfileReader;
+
+ std::unique_ptr<CoverageMapping> LoadedCoverage;
+
void SetUp() override {
NextFile = 0;
}
OutputExpressions, OutputCMRs);
ASSERT_TRUE(NoError(Reader.read()));
}
+
+ void readProfCounts() {
+ auto Profile = ProfileWriter.writeBuffer();
+ auto ReaderOrErr = IndexedInstrProfReader::create(std::move(Profile));
+ ASSERT_TRUE(NoError(ReaderOrErr.getError()));
+ ProfileReader = std::move(ReaderOrErr.get());
+ }
+
+ void loadCoverageMapping(StringRef FuncName, uint64_t Hash) {
+ std::string Regions = writeCoverageRegions();
+ readCoverageRegions(Regions);
+
+ SmallVector<StringRef, 8> Filenames;
+ for (const auto &E : Files)
+ Filenames.push_back(E.getKey());
+ OneFunctionCoverageReader CovReader(FuncName, Hash, Filenames, OutputCMRs);
+ auto CoverageOrErr = CoverageMapping::load(CovReader, *ProfileReader);
+ ASSERT_TRUE(NoError(CoverageOrErr.getError()));
+ LoadedCoverage = std::move(CoverageOrErr.get());
+ }
};
TEST_F(CoverageMappingTest, basic_write_read) {
ASSERT_EQ(3U, OutputCMRs[2].LineStart);
}
+TEST_F(CoverageMappingTest, basic_coverage_iteration) {
+ InstrProfRecord Record("func", 0x1234, {30, 20, 10, 0});
+ ProfileWriter.addRecord(std::move(Record));
+ readProfCounts();
+
+ addCMR(Counter::getCounter(0), "file1", 1, 1, 9, 9);
+ addCMR(Counter::getCounter(1), "file1", 1, 1, 4, 7);
+ addCMR(Counter::getCounter(2), "file1", 5, 8, 9, 1);
+ addCMR(Counter::getCounter(3), "file1", 10, 10, 11, 11);
+ loadCoverageMapping("func", 0x1234);
+
+ CoverageData Data = LoadedCoverage->getCoverageForFile("file1");
+ std::vector<CoverageSegment> Segments(Data.begin(), Data.end());
+ ASSERT_EQ(7U, Segments.size());
+ ASSERT_EQ(CoverageSegment(1, 1, 20, true), Segments[0]);
+ ASSERT_EQ(CoverageSegment(4, 7, 30, false), Segments[1]);
+ ASSERT_EQ(CoverageSegment(5, 8, 10, true), Segments[2]);
+ ASSERT_EQ(CoverageSegment(9, 1, 30, false), Segments[3]);
+ ASSERT_EQ(CoverageSegment(9, 9, false), Segments[4]);
+ ASSERT_EQ(CoverageSegment(10, 10, 0, true), Segments[5]);
+ ASSERT_EQ(CoverageSegment(11, 11, false), Segments[6]);
+}
+
+TEST_F(CoverageMappingTest, uncovered_function) {
+ readProfCounts();
+
+ addCMR(Counter::getZero(), "file1", 1, 2, 3, 4);
+ loadCoverageMapping("func", 0x1234);
+
+ CoverageData Data = LoadedCoverage->getCoverageForFile("file1");
+ std::vector<CoverageSegment> Segments(Data.begin(), Data.end());
+ ASSERT_EQ(2U, Segments.size());
+ ASSERT_EQ(CoverageSegment(1, 2, 0, true), Segments[0]);
+ ASSERT_EQ(CoverageSegment(3, 4, false), Segments[1]);
+}
+
+TEST_F(CoverageMappingTest, uncovered_function_with_mapping) {
+ readProfCounts();
+
+ addCMR(Counter::getCounter(0), "file1", 1, 1, 9, 9);
+ addCMR(Counter::getCounter(1), "file1", 1, 1, 4, 7);
+ loadCoverageMapping("func", 0x1234);
+
+ CoverageData Data = LoadedCoverage->getCoverageForFile("file1");
+ std::vector<CoverageSegment> Segments(Data.begin(), Data.end());
+ ASSERT_EQ(3U, Segments.size());
+ ASSERT_EQ(CoverageSegment(1, 1, 0, true), Segments[0]);
+ ASSERT_EQ(CoverageSegment(4, 7, 0, false), Segments[1]);
+ ASSERT_EQ(CoverageSegment(9, 9, false), Segments[2]);
+}
+
+TEST_F(CoverageMappingTest, combine_regions) {
+ InstrProfRecord Record("func", 0x1234, {10, 20, 30});
+ ProfileWriter.addRecord(std::move(Record));
+ readProfCounts();
+
+ addCMR(Counter::getCounter(0), "file1", 1, 1, 9, 9);
+ addCMR(Counter::getCounter(1), "file1", 3, 3, 4, 4);
+ addCMR(Counter::getCounter(2), "file1", 3, 3, 4, 4);
+ loadCoverageMapping("func", 0x1234);
+
+ CoverageData Data = LoadedCoverage->getCoverageForFile("file1");
+ std::vector<CoverageSegment> Segments(Data.begin(), Data.end());
+ ASSERT_EQ(4U, Segments.size());
+ ASSERT_EQ(CoverageSegment(1, 1, 10, true), Segments[0]);
+ ASSERT_EQ(CoverageSegment(3, 3, 50, true), Segments[1]);
+ ASSERT_EQ(CoverageSegment(4, 4, 10, false), Segments[2]);
+ ASSERT_EQ(CoverageSegment(9, 9, false), Segments[3]);
+}
+
+TEST_F(CoverageMappingTest, dont_combine_expansions) {
+ InstrProfRecord Record("func", 0x1234, {10, 20});
+ ProfileWriter.addRecord(std::move(Record));
+ readProfCounts();
+
+ addCMR(Counter::getCounter(0), "file1", 1, 1, 9, 9);
+ addCMR(Counter::getCounter(1), "file1", 3, 3, 4, 4);
+ addCMR(Counter::getCounter(1), "include1", 6, 6, 7, 7);
+ addExpansionCMR("file1", "include1", 3, 3, 4, 4);
+ loadCoverageMapping("func", 0x1234);
+
+ CoverageData Data = LoadedCoverage->getCoverageForFile("file1");
+ std::vector<CoverageSegment> Segments(Data.begin(), Data.end());
+ ASSERT_EQ(4U, Segments.size());
+ ASSERT_EQ(CoverageSegment(1, 1, 10, true), Segments[0]);
+ ASSERT_EQ(CoverageSegment(3, 3, 20, true), Segments[1]);
+ ASSERT_EQ(CoverageSegment(4, 4, 10, false), Segments[2]);
+ ASSERT_EQ(CoverageSegment(9, 9, false), Segments[3]);
+}
+
+TEST_F(CoverageMappingTest, strip_filename_prefix) {
+ InstrProfRecord Record("file1:func", 0x1234, {10});
+ ProfileWriter.addRecord(std::move(Record));
+ readProfCounts();
+
+ addCMR(Counter::getCounter(0), "file1", 1, 1, 9, 9);
+ loadCoverageMapping("file1:func", 0x1234);
+
+ std::vector<std::string> Names;
+ for (const auto &Func : LoadedCoverage->getCoveredFunctions())
+ Names.push_back(Func.Name);
+ ASSERT_EQ(1U, Names.size());
+ ASSERT_EQ("func", Names[0]);
+}
} // end anonymous namespace