[LLVMbugs] [Bug 9956] New: Compiling a single file with optimizations on takes > 10 minutes

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=9956

           Summary: Compiling a single file with optimizations on takes >
                    10 minutes
           Product: libraries
           Version: trunk
          Platform: PC
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P
         Component: Backend: X86
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: akyrtzi at gmail.com
                CC: llvmbugs at cs.uiuc.edu


$ time /usr/bin/clang++ -O3 -c  DiagnosticIDs-1.ii

real    13m17.118s
user    13m14.292s
sys    0m2.795s

gcc for comparison:

$ time /usr/bin/g++ -O3 -c  DiagnosticIDs-1.ii

real    9m12.501s
user    9m10.618s
sys    0m1.867s

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