[LLVMbugs] [Bug 4225] New: Failed assertion: "Wrong MachineOperand accessor" in setIsKill()

[bugzilla-daemon at cs.uiuc.edu]

http://llvm.org/bugs/show_bug.cgi?id=4225

           Summary: Failed assertion: "Wrong MachineOperand accessor" in
                    setIsKill()
           Product: libraries
           Version: trunk
          Platform: PC
        OS/Version: FreeBSD
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Register Allocator
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: ed at 80386.nl
                CC: llvmbugs at cs.uiuc.edu
            Blocks: 3696


Created an attachment (id=3004)
 --> (http://llvm.org/bugs/attachment.cgi?id=3004)
C testcase

I'm seeing the following failed assertion when building some code from OpenSSL:

Assertion failed: (isReg() && !IsDef && "Wrong MachineOperand accessor"),
function setIsKill, file .../llvm/include/llvm/CodeGen/MachineOperand.h, line
232.
Stack dump:
0.      Program arguments: .../libexec/clang-cc -triple
x86_64-undermydesk-freebsd8.0 -S -disable-free -main-file-name llvm-crash.c
--relocation-model static --disable-fp-elim --unwind-tables=1 --mcpu=x86-64
--fmath-errno=1 -O2 -fdiagnostics-show-option -o /tmp/cc-IyJtsf.s -x c
.../llvm-crash.c 
1.      <eof> parser at end of file
2.      Code generation
3.      Running pass 'Linear Scan Register Allocator' on function
'@sha256_block'

This is with LLVM+Clang, SVN revision 71997.


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