[LLVMbugs] [Bug 18088] New: Crash in the -jump-threading optimization pass

bugzilla-daemon at llvm.org bugzilla-daemon at llvm.org
Thu Nov 28 20:58:28 PST 2013


            Bug ID: 18088
           Summary: Crash in the -jump-threading optimization pass
           Product: new-bugs
           Version: 3.3
          Hardware: PC
                OS: All
            Status: NEW
          Severity: normal
          Priority: P
         Component: new bugs
          Assignee: unassignedbugs at nondot.org
          Reporter: alex at crichton.co
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified

Created attachment 11629
  --> http://llvm.org/bugs/attachment.cgi?id=11629&action=edit
Reduced bc that crashes when passed to `opt`

I had a large test case which ended up crashing in LLVM optimizations when run,
and upon using bugpoint it was simplified down to a small program which will
not crash when passing through `opt` with no flags, but it will crash when
passed through `opt` with the `-jump-threading` flag.

I've attached the bc file to this bug, and just let me know if any more
information is needed!

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