[llvm-dev] [Release-testers] 13.0.1-rc2 release update (original) (raw)

Gulfem Savrun Yeniceri via llvm-dev llvm-dev at lists.llvm.org
Thu Aug 26 16:34:56 PDT 2021

Hi,

I have changed the raw profile format which resulted in issues in llvm-profdata merge and fixed in later commits. Could we please cherry-pick the commits into the release/13.0.0 branch which are reported in the following tickets: https://bugs.llvm.org/show_bug.cgi?id=51497 https://bugs.llvm.org/show_bug.cgi?id=51637

Thanks,

Gülfem

On Wed, Aug 25, 2021 at 8:10 AM Bernhard Rosenkraenzer via llvm-dev < llvm-dev at lists.llvm.org> wrote:

Hi, I've updated OpenMandriva packaging to current 13.x branch to get a preview of 13.0-rc2 (I presume it's 13.0.0-rc2, not 13.0.1?).

Overall, aside from the issues mentioned for rc1 (new-ish components like MLIR, flang, libc failing to build) mostly looks good. We found one more regression in 13.0-rc2 (compared to 12.x - this was also in rc1, just went unnoticed) affecting PGO. Doing something along the lines of export LLVMPROFILEFILE=xyz-%p.profile.d export CFLAGS="-O2 -fprofile-instr-generate" export CXXFLAGS="-O2 -fprofile-instr-generate" ./configure make # Run the generated binaries in some expected ways, e.g. "make check" llvm-profdata merge --output=xyz.profile xyz-*.profile.d consistently (obviously with PIDs varying) results in warning: xyz-670250.profile.d: malformed instrumentation profile data warning: xyz-670257.profile.d: malformed instrumentation profile data error: no profile can be merged The *.profile.d files look ok at a first glance, and "file" recognizes them as "LLVM raw profile data, version 7". Looks like only "llvm-profdata merge" is broken, using -fprofile-instr-use= seems to be ok. Will file a bug report... ttyl bero On Wednesday, August 25, 2021 08:12 CEST, Tom Stellard via Release-testers <release-testers at lists.llvm.org> wrote: > Hi, > > There have been some buildbot failures in the release/13.x branch, so > I'm going to delay -rc2 until Thursday to investigate. > > -Tom > _> ________________________ > Release-testers mailing list > Release-testers at lists.llvm.org > https://lists.llvm.org/cgi-bin/mailman/listinfo/release-testers

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