[llvm-bugs] [Bug 47136] Regression (in LSV?) due to changes in InstCombine

via llvm-bugs llvm-bugs at lists.llvm.org
Sun Aug 23 13:59:07 PDT 2020


https://bugs.llvm.org/show_bug.cgi?id=47136

bjorn.a.pettersson at ericsson.com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |FIXED
 Fixed By Commit(s)|                            |ec06b381304140b2553cfdfae5a
                   |                            |063f39c5c59ff
             Status|NEW                         |RESOLVED

--- Comment #17 from bjorn.a.pettersson at ericsson.com ---
The regression was solved by
https://reviews.llvm.org/rGec06b381304140b2553cfdfae5a063f39c5c59ff

For info: Haven't see any benefits from updating ScalarEvolution (such as
proposed in  https://reviews.llvm.org/D85969) given the changed
canonicalization in instcombine (given current phase ordering in my O3
pipeline). So that patch is abandoned (at least until someone finds it useful).

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