[LLVMbugs] [Bug 6951] New: bugpoint crashes when debugging a miscompilation

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=6951

           Summary: bugpoint crashes when debugging a miscompilation
           Product: new-bugs
           Version: trunk
          Platform: Other
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: new bugs
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: kalle.raiskila at nokia.com
                CC: llvmbugs at cs.uiuc.edu


Created an attachment (id=4742)
 --> (http://llvm.org/bugs/attachment.cgi?id=4742)
bugpoint output

Bugpoint crashes when debugging a llc-miscompilation. The crash appeared in
LLVM r99160.

Crash is verified to happen only on CellBE-linux (Linux
2.6.25-2-powerpc64-smp), when targeting the SPU. (This might not be platform
specific: SPU backend just seems to have a lot of miscompilations.)
LLVM is compiled with 'gcc (Ubuntu 4.3.2-1ubuntu12) 4.3.2'

bugpoint command line used: 
'bugpoint bug.ll -run-llc --tool-args --march=cellspu'
Full output and failing testcase as attachment. The slightly non-default gcc
used by bugpoint is a link to /usr/bin/spu-gcc.

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