[llvm-bugs] [Bug 49878] New: Instcombine hangs after 5207cde5cb4147155c469e1861427ea9d569bd5a

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=49878

            Bug ID: 49878
           Summary: Instcombine hangs after
                    5207cde5cb4147155c469e1861427ea9d569bd5a
           Product: libraries
           Version: trunk
          Hardware: PC
                OS: All
            Status: NEW
          Severity: normal
          Priority: P
         Component: Scalar Optimizations
          Assignee: unassignedbugs at nondot.org
          Reporter: benny.kra at gmail.com
                CC: juneyoung.lee at sf.snu.ac.kr, llvm-bugs at lists.llvm.org

Created attachment 24728
  --> https://bugs.llvm.org/attachment.cgi?id=24728&action=edit
reduced test case

$ opt -instcombine t.ll -S
<hangs>

This worked before 5207cde5cb4147155c469e1861427ea9d569bd5a

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