[LLVMbugs] [Bug 2070] New: Indvars makes loop more complicated

[bugzilla-daemon at cs.uiuc.edu]

http://llvm.org/bugs/show_bug.cgi?id=2070

           Summary: Indvars makes loop more complicated
           Product: new-bugs
           Version: unspecified
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: new bugs
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: sharparrow1 at yahoo.com
                CC: llvmbugs at cs.uiuc.edu


Testcase:

int a(int x) {int z = 1; for (int i = 1; i < x; i++) z *= i; return z;}

leads to a really crappy loop.  The bug appears to be in indvars.


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