#include "llvm/ProfileData/SampleProfWriter.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/ErrorOr.h"
-#include "llvm/Support/MemoryBuffer.h"
#include "llvm/Support/LEB128.h"
#include "llvm/Support/LineIterator.h"
+#include "llvm/Support/MemoryBuffer.h"
#include "llvm/Support/Regex.h"
using namespace llvm::sampleprof;
using namespace llvm;
/// \brief Write samples to a text file.
-bool SampleProfileWriterText::write(const Function &F,
- const FunctionSamples &S) {
+bool SampleProfileWriterText::write(StringRef FName, const FunctionSamples &S) {
if (S.empty())
return true;
- OS << F.getName() << ":" << S.getTotalSamples() << ":" << S.getHeadSamples()
+ OS << FName << ":" << S.getTotalSamples() << ":" << S.getHeadSamples()
<< "\n";
- for (BodySampleMap::const_iterator I = S.getBodySamples().begin(),
- E = S.getBodySamples().end();
- I != E; ++I) {
- LineLocation Loc = I->first;
- SampleRecord Sample = I->second;
+ for (const auto &I : S.getBodySamples()) {
+ LineLocation Loc = I.first;
+ const SampleRecord &Sample = I.second;
if (Loc.Discriminator == 0)
OS << Loc.LineOffset << ": ";
else
OS << Sample.getSamples();
- for (SampleRecord::CallTargetList::const_iterator
- I = Sample.getCallTargets().begin(),
- E = Sample.getCallTargets().end();
- I != E; ++I)
- OS << " " << (*I).first << ":" << (*I).second;
+ for (const auto &J : Sample.getCallTargets())
+ OS << " " << J.first() << ":" << J.second;
OS << "\n";
}
/// \brief Write samples to a binary file.
///
/// \returns true if the samples were written successfully, false otherwise.
-bool SampleProfileWriterBinary::write(const Function &F,
+bool SampleProfileWriterBinary::write(StringRef FName,
const FunctionSamples &S) {
if (S.empty())
return true;
- OS << F.getName();
+ OS << FName;
encodeULEB128(0, OS);
encodeULEB128(S.getTotalSamples(), OS);
encodeULEB128(S.getHeadSamples(), OS);
encodeULEB128(S.getBodySamples().size(), OS);
- for (BodySampleMap::const_iterator I = S.getBodySamples().begin(),
- E = S.getBodySamples().end();
- I != E; ++I) {
- LineLocation Loc = I->first;
- SampleRecord Sample = I->second;
+ for (const auto &I : S.getBodySamples()) {
+ LineLocation Loc = I.first;
+ const SampleRecord &Sample = I.second;
encodeULEB128(Loc.LineOffset, OS);
encodeULEB128(Loc.Discriminator, OS);
encodeULEB128(Sample.getSamples(), OS);
encodeULEB128(Sample.getCallTargets().size(), OS);
- for (SampleRecord::CallTargetList::const_iterator
- I = Sample.getCallTargets().begin(),
- E = Sample.getCallTargets().end();
- I != E; ++I) {
- std::string Callee = (*I).first;
- unsigned CalleeSamples = (*I).second;
+ for (const auto &J : Sample.getCallTargets()) {
+ std::string Callee = J.first();
+ unsigned CalleeSamples = J.second;
OS << Callee;
encodeULEB128(0, OS);
encodeULEB128(CalleeSamples, OS);
return true;
}
+
+/// \brief Create a sample profile writer based on the specified format.
+///
+/// \param Filename The file to create.
+///
+/// \param Writer The writer to instantiate according to the specified format.
+///
+/// \param Format Encoding format for the profile file.
+///
+/// \returns an error code indicating the status of the created writer.
+ErrorOr<std::unique_ptr<SampleProfileWriter>>
+SampleProfileWriter::create(StringRef Filename, SampleProfileFormat Format) {
+ std::error_code EC;
+ std::unique_ptr<SampleProfileWriter> Writer;
+
+ if (Format == SPF_Binary)
+ Writer.reset(new SampleProfileWriterBinary(Filename, EC));
+ else if (Format == SPF_Text)
+ Writer.reset(new SampleProfileWriterText(Filename, EC));
+ else
+ EC = sampleprof_error::unrecognized_format;
+
+ if (EC)
+ return EC;
+
+ return std::move(Writer);
+}