[LLVMbugs] [Bug 12568] New: Assertion failed: (!Is64BitMemOperand(MI, MemOperand))

bugzilla-daemon at llvm.org bugzilla-daemon at llvm.org
Mon Apr 16 17:33:14 PDT 2012


             Bug #: 12568
           Summary: Assertion failed: (!Is64BitMemOperand(MI, MemOperand))
           Product: libraries
           Version: trunk
          Platform: PC
        OS/Version: All
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: LLVM assembly language parser
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: wendling at apple.com
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified

This code:

$ cat testcase-min.s
        cmpl $(_foo), 24(%rsp)

Results in this assert:

$ clang -cc1as -triple x86_64-apple-macosx10.8.0 -filetype obj -o /dev/null
Assertion failed: (!Is64BitMemOperand(MI, MemOperand)), function
EmitOpcodePrefix, file
line 863.
0  clang             0x000000010e680072 PrintStackTrace(void*) + 34
1  clang             0x000000010e680589 SignalHandler(int) + 697

This is new and related to r153166.

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