[LLVMbugs] [Bug 4871] New: Assertion failed: (Bits != 0 && " Cannot print this instruction."), function printInstruction, file /data/ home/rdivacky/llvm/lib/Target/X86/AsmPrinter/../X86GenAsmWriter.inc, line 2251.

[bugzilla-daemon at cs.uiuc.edu]

http://llvm.org/bugs/show_bug.cgi?id=4871

           Summary: Assertion failed: (Bits != 0 && "Cannot print this
                    instruction."), function printInstruction, file
                    /data/home/rdivacky/llvm/lib/Target/X86/AsmPrinter/../X8
                    6GenAsmWriter.inc, line 2251.
           Product: libraries
           Version: trunk
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Core LLVM classes
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: rdivacky at freebsd.org
                CC: llvmbugs at cs.uiuc.edu


I am getting this assertion when compiling the attached

lev /tmp$ clang -c divxc3.c
Assertion failed: (Bits != 0 && "Cannot print this instruction."), function
printInstruction, file
/data/home/rdivacky/llvm/lib/Target/X86/AsmPrinter/../X86GenAsmWriter.inc, line
2251.
Stack dump:
0.      Program arguments: /usr/local/bin/../libexec/clang-cc -triple
x86_64-unknown-freebsd7.2 -S -disable-free -main-file-name divxc3.c
--relocation-model static --disable-fp-elim --unwind-tables=1 --mcpu=x86-64
--fmath-errno=1 -fdiagnostics-show-option -o /tmp/cc-3IzTHM.s -x c divxc3.c 
1.      <eof> parser at end of file
2.      Code generation
3.      Running pass 'X86 AT&T-Style Assembly Printer' on function '@__divxc3'
clang: error: compiler command failed due to signal 6 (use -v to see
invocation)

this is with clang/llvm r80908


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