search for: instrprofilingfile

Displaying 1 result from an estimated 1 matches for "instrprofilingfile".

2014 May 12
3
[LLVMdev] Questions about LLVM PGO and autoFDO
...ntation based PGO: clang -O2 -fprofile-instr-generate test.c -o a.out ./a.out (then default.profraw is generated) clang -O2 -fprofile-instr-use=default.profraw test.c -o a.out error: pgo data file has malformed function entry I found that the run-time function "writeFile" in InstrProfilingFile.cpp didn't write '\n'. But when parsing the profile data, in CodeGenPGO.cpp line 56, it tried to find '\n' like below: CurPtr = strchr(CurPtr, '\n'); if (!CurPtr) { ReportBadPGOData(CGM, "pgo data file has malformed function entry"); return; }...