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[PGO] Fix LLVM 3.9 error handling code.

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This commit is contained in:
Johan Engelen 2016-05-23 11:07:06 +02:00
parent 8bae926fd4
commit aadb45a946
2 changed files with 20 additions and 4 deletions
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11
gen/module.cpp
View file

@ -719,6 +719,16 @@ static void loadInstrProfileData(IRState *irs) {
auto readerOrErr =
llvm::IndexedInstrProfReader::create(global.params.datafileInstrProf);
#if LDC_LLVM_VER >= 309
if (auto E = readerOrErr.takeError()) {
handleAllErrors(std::move(E), [&](const llvm::ErrorInfoBase &EI) {
irs->dmodule->error("Could not read profile file %s: %s",
global.params.datafileInstrProf,
EI.message().c_str());
});
fatal();
}
#else
std::error_code EC = readerOrErr.getError();
if (EC) {
irs->dmodule->error("Could not read profile file %s: %s",
@ -726,6 +736,7 @@ static void loadInstrProfileData(IRState *irs) {
EC.message().c_str());
fatal();
}
#endif
irs->PGOReader = std::move(readerOrErr.get());
#if LDC_LLVM_VER >= 309

13
gen/pgo.cpp
View file

@ -890,14 +890,19 @@ void CodeGenPGO::emitCounterIncrement(const RootObject *S) const {
void CodeGenPGO::loadRegionCounts(llvm::IndexedInstrProfReader *PGOReader,
const FuncDeclaration *fd) {
RegionCounts.clear();
if (std::error_code EC =
if (auto E =
PGOReader->getFunctionCounts(FuncName, FunctionHash, RegionCounts)) {
if (EC == llvm::instrprof_error::unknown_function) {
#if LDC_LLVM_VER >= 309
auto IPE = llvm::InstrProfError::take(std::move(E));
#else
auto IPE = E;
#endif
if (IPE == llvm::instrprof_error::unknown_function) {
IF_LOG Logger::println("No profile data for function: %s",
FuncName.c_str());
// Don't output a compiler warning when profile data is missing for a
// function, because it could be intentional.
} else if (EC == llvm::instrprof_error::hash_mismatch) {
} else if (IPE == llvm::instrprof_error::hash_mismatch) {
IF_LOG Logger::println(
"Ignoring profile data: hash mismatch for function: %s",
FuncName.c_str());
@ -905,7 +910,7 @@ void CodeGenPGO::loadRegionCounts(llvm::IndexedInstrProfReader *PGOReader,
"control-flow hash mismatch",
const_cast<FuncDeclaration *>(fd)->toPrettyChars(),
FuncName.c_str());
} else if (EC == llvm::instrprof_error::malformed) {
} else if (IPE == llvm::instrprof_error::malformed) {
IF_LOG Logger::println("Profile data is malformed for function: %s",
FuncName.c_str());
warning(fd->loc, "Ignoring profile data for function '%s' ('%s'): "