[LLVMbugs] [Bug 1014] NEW: Bad codegen (possible due to bug on InstCombine)

bugzilla-daemon at cs.uiuc.edu bugzilla-daemon at cs.uiuc.edu
Mon Nov 27 08:31:40 PST 2006


           Summary: Bad codegen (possible due to bug on InstCombine)
           Product: libraries
           Version: trunk
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Backend: X86
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: asl at math.spbu.ru

Consider the attached .ll file.

It will ask a number as input. Input "32".
Correct answer is "41". It can be obtained via cbackend. Both llc and lli
generate code, which produces "186".

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