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[Coverage] Strip <unknown> from PGO names if no filenames are available

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Patch suggested by David Li!

llvm-svn: 264586
This commit is contained in:
Vedant Kumar
2016-03-28 15:49:08 +00:00
parent 828ac541ef
commit 43a8565be6
4 changed files with 12 additions and 7 deletions
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10
llvm/unittests/ProfileData/CoverageMappingTest.cpp
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@@ -141,13 +141,15 @@ struct CoverageMappingTest : ::testing::Test {
ProfileReader = std::move(ReaderOrErr.get());
}
void loadCoverageMapping(StringRef FuncName, uint64_t Hash) {
void loadCoverageMapping(StringRef FuncName, uint64_t Hash,
bool EmitFilenames = true) {
std::string Regions = writeCoverageRegions();
readCoverageRegions(Regions);
SmallVector<StringRef, 8> Filenames;
for (const auto &E : Files)
Filenames.push_back(E.getKey());
if (EmitFilenames)
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()));
@@ -310,7 +312,7 @@ TEST_P(MaybeSparseCoverageMappingTest, strip_unknown_filename_prefix) {
readProfCounts();
addCMR(Counter::getCounter(0), "", 1, 1, 9, 9);
loadCoverageMapping("<unknown>:func", 0x1234);
loadCoverageMapping("<unknown>:func", 0x1234, /*EmitFilenames=*/false);
std::vector<std::string> Names;
for (const auto &Func : LoadedCoverage->getCoveredFunctions())