[LLVMbugs] [Bug 2869] New: Miscompilation with -loop-index-split

[bugzilla-daemon at cs.uiuc.edu]

http://llvm.org/bugs/show_bug.cgi?id=2869

           Summary: Miscompilation with -loop-index-split
           Product: new-bugs
           Version: unspecified
          Platform: PC
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P2
         Component: new bugs
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: dalej at apple.com
                CC: llvmbugs at cs.uiuc.edu


Attachment is bugpoint reduced from gcc.c-torture/execute/930603-2.c in gcc
testsuite.
(To execute, you will need a definition of 'w' which is int[2][2] .)
Top loops should store 1 into elements [0][0] and [1][1].  After running
through -loop-index-split, it does only the first store.


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