[LLVMbugs] [Bug 8964] New: LLVM 2.8: still crashes on CPUs without CMOV instruction

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=8964

           Summary: LLVM 2.8: still crashes on CPUs without CMOV
                    instruction
           Product: libraries
           Version: 2.8
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: Backend: X86
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: edwintorok at gmail.com
                CC: llvmbugs at cs.uiuc.edu


LLVM 2.8 still crashes on CPUs without CMOV instruction like AMD K6-2, VIA C3,
etc.

See http://bugs.debian.org/609759

Here's an output of the JIT with --debug, appears to contain all instruction
selection stuff:
http://bugs.debian.org/cgi-bin/bugreport.cgi?msg=45;filename=2011-01-12_clambc.767944.cbc.log;att=2;bug=609759

The .td files seem to properly guard all CMOV* instructions with HasCMOV, so I
don't see where its coming from.
Are there some machine-instr level optimizers that introduce it?

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