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Use ErrorOr for the ::create factory on instrumented and sample profilers.

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Summary:
As discussed in
http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20141027/242445.html,
the creation of reader and writer instances is better done using
ErrorOr. There are no functional changes, but several callers needed to
be adjusted.

Reviewers: bogner

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D6076

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@221120 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Diego Novillo
2014-11-03 00:51:45 +00:00
parent b6c9c729dd
commit 2b6bd7aaf5
8 changed files with 65 additions and 51 deletions
Download Patch File Download Diff File Expand all files Collapse all files

29
tools/llvm-profdata/llvm-profdata.cpp
View File

@ -49,10 +49,11 @@ void mergeInstrProfile(cl::list<std::string> Inputs, StringRef OutputFilename) {
InstrProfWriter Writer;
for (const auto &Filename : Inputs) {
std::unique_ptr<InstrProfReader> Reader;
if (std::error_code ec = InstrProfReader::create(Filename, Reader))
auto ReaderOrErr = InstrProfReader::create(Filename);
if (std::error_code ec = ReaderOrErr.getError())
exitWithError(ec.message(), Filename);
auto Reader = std::move(ReaderOrErr.get());
for (const auto &I : *Reader)
if (std::error_code EC =
Writer.addFunctionCounts(I.Name, I.Hash, I.Counts))
@ -66,18 +67,19 @@ void mergeInstrProfile(cl::list<std::string> Inputs, StringRef OutputFilename) {
void mergeSampleProfile(cl::list<std::string> Inputs, StringRef OutputFilename,
sampleprof::SampleProfileFormat OutputFormat) {
using namespace sampleprof;
std::unique_ptr<SampleProfileWriter> Writer;
if (std::error_code EC = SampleProfileWriter::create(OutputFilename.data(),
Writer, OutputFormat))
auto WriterOrErr = SampleProfileWriter::create(OutputFilename, OutputFormat);
if (std::error_code EC = WriterOrErr.getError())
exitWithError(EC.message(), OutputFilename);
auto Writer = std::move(WriterOrErr.get());
StringMap<FunctionSamples> ProfileMap;
for (const auto &Filename : Inputs) {
std::unique_ptr<SampleProfileReader> Reader;
if (std::error_code EC =
SampleProfileReader::create(Filename, Reader, getGlobalContext()))
auto ReaderOrErr =
SampleProfileReader::create(Filename, getGlobalContext());
if (std::error_code EC = ReaderOrErr.getError())
exitWithError(EC.message(), Filename);
auto Reader = std::move(ReaderOrErr.get());
if (std::error_code EC = Reader->read())
exitWithError(EC.message(), Filename);
@ -129,10 +131,11 @@ int merge_main(int argc, const char *argv[]) {
int showInstrProfile(std::string Filename, bool ShowCounts,
bool ShowAllFunctions, std::string ShowFunction,
raw_fd_ostream &OS) {
std::unique_ptr<InstrProfReader> Reader;
if (std::error_code EC = InstrProfReader::create(Filename, Reader))
auto ReaderOrErr = InstrProfReader::create(Filename);
if (std::error_code EC = ReaderOrErr.getError())
exitWithError(EC.message(), Filename);
auto Reader = std::move(ReaderOrErr.get());
uint64_t MaxFunctionCount = 0, MaxBlockCount = 0;
size_t ShownFunctions = 0, TotalFunctions = 0;
for (const auto &Func : *Reader) {
@ -182,11 +185,11 @@ int showSampleProfile(std::string Filename, bool ShowCounts,
bool ShowAllFunctions, std::string ShowFunction,
raw_fd_ostream &OS) {
using namespace sampleprof;
std::unique_ptr<SampleProfileReader> Reader;
if (std::error_code EC =
SampleProfileReader::create(Filename, Reader, getGlobalContext()))
auto ReaderOrErr = SampleProfileReader::create(Filename, getGlobalContext());
if (std::error_code EC = ReaderOrErr.getError())
exitWithError(EC.message(), Filename);
auto Reader = std::move(ReaderOrErr.get());
Reader->read();
if (ShowAllFunctions || ShowFunction.empty())
Reader->dump(OS);