[llvm-bugs] [Bug 34105] New: Failures after commit "[x86] use more shift or LEA for select-of-constants"

Mon, 07 Aug 2017 08:38:05 -0700 

https://bugs.llvm.org/show_bug.cgi?id=34105

            Bug ID: 34105
           Summary: Failures after commit "[x86] use more shift or LEA for
                    select-of-constants"
           Product: libraries
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: Backend: X86
          Assignee: unassignedb...@nondot.org
          Reporter: nikolai.bozhe...@intel.com
                CC: llvm-bugs@lists.llvm.org

After commit r310208 (D35340) we started observing several
stability problems. For example, we observe runtime error in
llvm-testsuite/MultiSource/Benchmarks/mediabench/jpeg/jpeg-6a
at -O2 optimization level.

Sanjay, may I suggest you temporarily reverting the patch before the failure
is investigated and fixed?

Thanks,
Nikolai

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