diff options
| -rw-r--r-- | llvm/lib/Transforms/Instrumentation/PGOInstrumentation.cpp | 21 |
1 files changed, 18 insertions, 3 deletions
diff --git a/llvm/lib/Transforms/Instrumentation/PGOInstrumentation.cpp b/llvm/lib/Transforms/Instrumentation/PGOInstrumentation.cpp index 6ec36319e3e..379f7c5ebed 100644 --- a/llvm/lib/Transforms/Instrumentation/PGOInstrumentation.cpp +++ b/llvm/lib/Transforms/Instrumentation/PGOInstrumentation.cpp @@ -111,6 +111,16 @@ static cl::opt<unsigned> MaxNumAnnotations( cl::desc("Max number of annotations for a single indirect " "call callsite")); +// Command line option to enable/disable the warning about missing profile +// information. +static cl::opt<bool> NoPGOWarnMissing("no-pgo-warn-missing", cl::init(false), + cl::Hidden); + +// Command line option to enable/disable the warning about a hash mismatch in +// the profile data. +static cl::opt<bool> NoPGOWarnMismatch("no-pgo-warn-mismatch", cl::init(false), + cl::Hidden); + namespace { class PGOInstrumentationGenLegacyPass : public ModulePass { public: @@ -575,11 +585,16 @@ bool PGOUseFunc::readCounters(IndexedInstrProfReader *PGOReader) { ErrorOr<InstrProfRecord> Result = PGOReader->getInstrProfRecord(FuncInfo.FuncName, FuncInfo.FunctionHash); if (std::error_code EC = Result.getError()) { - if (EC == instrprof_error::unknown_function) + if (EC == instrprof_error::unknown_function) { NumOfPGOMissing++; - else if (EC == instrprof_error::hash_mismatch || - EC == llvm::instrprof_error::malformed) + if (NoPGOWarnMissing) + return false; + } else if (EC == instrprof_error::hash_mismatch || + EC == llvm::instrprof_error::malformed) { NumOfPGOMismatch++; + if (NoPGOWarnMismatch) + return false; + } std::string Msg = EC.message() + std::string(" ") + F.getName().str(); Ctx.diagnose( |
