[llvm-bugs] [Bug 31686] New: NewGVN miscompile (to investigate)

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https://llvm.org/bugs/show_bug.cgi?id=31686

            Bug ID: 31686
           Summary: NewGVN miscompile (to investigate)
           Product: libraries
           Version: trunk
          Hardware: PC
                OS: Windows NT
            Status: NEW
          Severity: normal
          Priority: P
         Component: Scalar Optimizations
          Assignee: unassignedbugs at nondot.org
          Reporter: davide at freebsd.org
                CC: dberlin at dberlin.org, llvm-bugs at lists.llvm.org
    Classification: Unclassified

Created attachment 17855
  --> https://llvm.org/bugs/attachment.cgi?id=17855&action=edit
testcase

This is reduced from a large game codebase, where the AI stops working (enemies
not attacking if this function is built with NewGVN).
I'll investigate further to see what's the wrong transformation, putting the
testcase here.

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