[LLVMbugs] [Bug 2865] New: LoopIndexSplit assertion failure

[bugzilla-daemon at cs.uiuc.edu]

http://llvm.org/bugs/show_bug.cgi?id=2865

           Summary: LoopIndexSplit assertion failure
           Product: libraries
           Version: trunk
          Platform: All
        OS/Version: All
            Status: NEW
          Keywords: compile-fail
          Severity: normal
          Priority: P2
         Component: Loop Optimizer
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: gohman at apple.com
                CC: dpatel at apple.com, llvmbugs at cs.uiuc.edu


Created an attachment (id=2062)
 --> (http://llvm.org/bugs/attachment.cgi?id=2062)
bugpoint-reduced testcase

opt -loop-index-split aborts on the attached testcase with
this message:

Assertion failed: (0 && "Unexpected split condition predicate"), function
updateLoopBounds, file lib/Transforms/Scalar/LoopIndexSplit.cpp, line 917.

This is is a testcase reduced from a failure observed in 400.perlbench.


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