[LLVMbugs] [Bug 929] NEW: livevars takes 50% of codegen time (N^2 algorithm?)

[bugzilla-daemon at cs.uiuc.edu]

http://llvm.org/bugs/show_bug.cgi?id=929

           Summary: livevars takes 50% of codegen time (N^2 algorithm?)
           Product: libraries
           Version: 1.8
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Common Code Generator Code
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: sabre at nondot.org


Livevars takes 50% of the compile time on the testcase in PR878 (now that Bill fixed the issue in phielim).  
Livevars is probably doing something algorithmically wrong, which should be investigated.

-Chris



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