void BackendConsumer::EmitOptimizationMessage(
const llvm::DiagnosticInfoOptimizationBase &D, unsigned DiagID) {
// We only support warnings and remarks.
assert(D.getSeverity() == llvm::DS_Remark ||
D.getSeverity() == llvm::DS_Warning);
StringRef Filename;
unsigned Line, Column;
bool BadDebugInfo = false;
FullSourceLoc Loc = getBestLocationFromDebugLoc(D, BadDebugInfo, Filename,
Line, Column);
std::string Msg;
raw_string_ostream MsgStream(Msg);
MsgStream << D.getMsg();
if (D.getHotness())
MsgStream << " (hotness: " << *D.getHotness() << ")";
Diags.Report(Loc, DiagID)
<< AddFlagValue(D.getPassName())
<< MsgStream.str();
if (BadDebugInfo)
// If we were not able to translate the file:line:col information
// back to a SourceLocation, at least emit a note stating that
// we could not translate this location. This can happen in the
// case of #line directives.
Diags.Report(Loc, diag::note_fe_backend_invalid_loc)
<< Filename << Line << Column;
}
void BackendConsumer::OptimizationRemarkHandler(
const llvm::DiagnosticInfoOptimizationBase &D) {
// Without hotness information, don't show noisy remarks.
if (D.isVerbose() && !D.getHotness())
return;
if (D.isPassed()) {
// Optimization remarks are active only if the -Rpass flag has a regular
// expression that matches the name of the pass name in \p D.
if (CodeGenOpts.OptimizationRemarkPattern &&
CodeGenOpts.OptimizationRemarkPattern->match(D.getPassName()))
EmitOptimizationMessage(D, diag::remark_fe_backend_optimization_remark);
} else if (D.isMissed()) {
// Missed optimization remarks are active only if the -Rpass-missed
// flag has a regular expression that matches the name of the pass
// name in \p D.
if (CodeGenOpts.OptimizationRemarkMissedPattern &&
CodeGenOpts.OptimizationRemarkMissedPattern->match(D.getPassName()))
EmitOptimizationMessage(
D, diag::remark_fe_backend_optimization_remark_missed);
} else {
assert(D.isAnalysis() && "Unknown remark type");
bool ShouldAlwaysPrint = false;
if (auto *ORA = dyn_cast<llvm::OptimizationRemarkAnalysis>(&D))
ShouldAlwaysPrint = ORA->shouldAlwaysPrint();
if (ShouldAlwaysPrint ||
(CodeGenOpts.OptimizationRemarkAnalysisPattern &&
CodeGenOpts.OptimizationRemarkAnalysisPattern->match(D.getPassName())))
EmitOptimizationMessage(
D, diag::remark_fe_backend_optimization_remark_analysis);
}
}