[llvm-bugs] [Bug 50021] 12.0.0: polly is not LTO ready

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=50021

Michael Kruse <llvm at meinersbur.de> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
 Fixed By Commit(s)|90e5ce0b0d6b0e72fdc034cbb61 |90e5ce0b0d6b0e72fdc034cbb61
                   |2f67d67de0fdd               |2f67d67de0fdd
                   |                            |89b59345ee29d2cc1afa1f60445
                   |                            |916ae2e74be6d
         Resolution|---                         |FIXED
             Status|REOPENED                    |RESOLVED

--- Comment #5 from Michael Kruse <llvm at meinersbur.de> ---
Thanks for the report. I committed a fix in
89b59345ee29d2cc1afa1f60445916ae2e74be6d.

I also compiled Polly with -flto=auto myself to ensure that there no remaining
issues. 'opt' and 'clang' compile successfully, but there seem to be remaining
problems with LLVM itself, since check-llvm (and check-polly) does fail for
every unit test with the following (+ many warnings): 

/home/meinersbur/src/llvm-project/llvm/lib/Support/TimeProfiler.cpp:36:45:
error: only zero initializers are allowed in section
‘.tbss._ZL25TimeTraceProfilerInstance.lto_priv.9719’
 static LLVM_THREAD_LOCAL TimeTraceProfiler *TimeTraceProfilerInstance =
nullptr;

However, it's not a Polly issue.


@Tom Stellard: Please add 90e5ce0b0d6b0e72fdc034cbb612f67d67de0fdd and
89b59345ee29d2cc1afa1f60445916ae2e74be6d for 12.0.1

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