http://llvm.org/bugs/show_bug.cgi?id=2426

           Summary: llc -mcpu=help doesn't work
           Product: tools
           Version: trunk
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: minor
          Priority: P2
         Component: llc
        AssignedTo: [EMAIL PROTECTED]
        ReportedBy: [EMAIL PROTECTED]
                CC: [email protected]


llc -help says

    -mcpu=<cpu-name>             - Target a specific cpu type (-mcpu=help for
details)

however, llc -mcpu=help or llc -march=x86 -mcpu=help gives no output and llc
simply hangs indefinitely (I guess it simply ignores the help option and just
waits for input to appear on stdin). Looking at the code, there does not seem
to
be any code that handles the -mcpu=help case. The same holds for -mattrs=help.


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