[llvm-bugs] [Bug 25760] New: [Polly] Miscompilation in LNT with -polly-position=before-vectorizer

[via llvm-bugs]

https://llvm.org/bugs/show_bug.cgi?id=25760

            Bug ID: 25760
           Summary: [Polly] Miscompilation in LNT with
                    -polly-position=before-vectorizer
           Product: Projects
           Version: unspecified
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: Polly
          Assignee: polly-dev at googlegroups.com
          Reporter: tobias at grosser.es
                CC: llvm-bugs at lists.llvm.org
    Classification: Unclassified

With 254707 'clang -O3 -mllvm -polly -mllvm -polly-position=before-vectorizer'
results in miscompiles of the LNT benchmarks reg_detect and linpac-pc.

http://lab.llvm.org:8011/builders/perf-x86_64-penryn-O3-polly-before-vectorizer

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