using namespace llvm::sampleprof;
using namespace llvm;
-/// \brief Print the samples collected for a function on stream \p OS.
-///
-/// \param OS Stream to emit the output to.
-void FunctionSamples::print(raw_ostream &OS, unsigned Indent) const {
- OS << TotalSamples << ", " << TotalHeadSamples << ", " << BodySamples.size()
- << " sampled lines\n";
- for (const auto &SI : BodySamples) {
- LineLocation Loc = SI.first;
- const SampleRecord &Sample = SI.second;
- OS.indent(Indent);
- OS << "line offset: " << Loc.LineOffset
- << ", discriminator: " << Loc.Discriminator
- << ", number of samples: " << Sample.getSamples();
- if (Sample.hasCalls()) {
- OS << ", calls:";
- for (const auto &I : Sample.getCallTargets())
- OS << " " << I.first() << ":" << I.second;
- }
- OS << "\n";
- }
- for (const auto &CS : CallsiteSamples) {
- CallsiteLocation Loc = CS.first;
- const FunctionSamples &CalleeSamples = CS.second;
- OS.indent(Indent);
- OS << "line offset: " << Loc.LineOffset
- << ", discriminator: " << Loc.Discriminator
- << ", inlined callee: " << Loc.CalleeName << ": ";
- CalleeSamples.print(OS, Indent + 2);
- }
-}
-
/// \brief Dump the function profile for \p FName.
///
/// \param FName Name of the function to print.
/// \param OS Stream to emit the output to.
void SampleProfileReader::dumpFunctionProfile(StringRef FName,
raw_ostream &OS) {
- OS << "Function: " << FName << ": ";
- Profiles[FName].print(OS);
+ OS << "Function: " << FName << ": " << Profiles[FName];
}
/// \brief Dump all the function profiles found on stream \p OS.
return sampleprof_error::success;
}
+bool SampleProfileReaderText::hasFormat(const MemoryBuffer &Buffer) {
+ bool result = false;
+
+ // Check that the first non-comment line is a valid function header.
+ line_iterator LineIt(Buffer, /*SkipBlanks=*/true, '#');
+ if (!LineIt.is_at_eof()) {
+ if ((*LineIt)[0] != ' ') {
+ uint64_t NumSamples, NumHeadSamples;
+ StringRef FName;
+ result = ParseHead(*LineIt, FName, NumSamples, NumHeadSamples);
+ }
+ }
+
+ return result;
+}
+
template <typename T> ErrorOr<T> SampleProfileReaderBinary::readNumber() {
unsigned NumBytesRead = 0;
std::error_code EC;
Reader.reset(new SampleProfileReaderBinary(std::move(Buffer), C));
else if (SampleProfileReaderGCC::hasFormat(*Buffer))
Reader.reset(new SampleProfileReaderGCC(std::move(Buffer), C));
- else
+ else if (SampleProfileReaderText::hasFormat(*Buffer))
Reader.reset(new SampleProfileReaderText(std::move(Buffer), C));
+ else
+ return sampleprof_error::unrecognized_format;
if (std::error_code EC = Reader->readHeader())
return EC;