[llvm-bugs] [Bug 38715] Clang with -polly-vectorizer=polly fails to compile brotli/dec/decode.c with assert "Unexpected scalar dependence in region!"

via llvm-bugs llvm-bugs at lists.llvm.org
Mon Aug 27 12:19:14 PDT 2018


https://bugs.llvm.org/show_bug.cgi?id=38715

Michael Kruse <llvm at meinersbur.de> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |llvm at meinersbur.de
             Status|NEW                         |RESOLVED
         Resolution|---                         |DUPLICATE

--- Comment #2 from Michael Kruse <llvm at meinersbur.de> ---
Like in llvm.org/PR38716, this is caused by VectorBlockGenerator not taking a
statement's instruction list into account. In this case a LoadInst is forwarded
to a successor block.

*** This bug has been marked as a duplicate of bug 38716 ***

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