[llvm-bugs] [Bug 30316] [ppc] slow instructions caused by unnecessary st/ld forwarding

via llvm-bugs llvm-bugs at lists.llvm.org
Fri Sep 16 11:53:44 PDT 2016


https://llvm.org/bugs/show_bug.cgi?id=30316

Ehsan Amiri <amehsan at ca.ibm.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |WORKSFORME

--- Comment #6 from Ehsan Amiri <amehsan at ca.ibm.com> ---
The original issue is non-reproducible as GVN widening is now disabled. With
this reduced test case, the generated code is not optimal, but it is possible
that val points to current, so we cannot do better than this.

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