[LLVMbugs] [Bug 2426] New: llc -mcpu=help doesn't work

bugzilla-daemon at cs.uiuc.edu bugzilla-daemon at cs.uiuc.edu
Tue Jun 10 06:50:31 PDT 2008


           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: unassignedbugs at nondot.org
        ReportedBy: matthijs at stdin.nl
                CC: llvmbugs at cs.uiuc.edu

llc -help says

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

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
be any code that handles the -mcpu=help case. The same holds for -mattrs=help.

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