[Bug middle-end/54493] New: -fguess-branch-probability takes ages

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54493

             Bug #: 54493
           Summary: -fguess-branch-probability takes ages
    Classification: Unclassified
           Product: gcc
           Version: 4.8.0
            Status: UNCONFIRMED
          Keywords: compile-time-hog
          Severity: normal
          Priority: P3
         Component: middle-end
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: rguenth@gcc.gnu.org


For the testcase in PR54492 -fguess-branch-probability (default on at -O1)
takes
ages.