[LLVMbugs] [Bug 867] NEW: opt crash - Illegal Instruction

bugzilla-daemon at cs.uiuc.edu bugzilla-daemon at cs.uiuc.edu
Thu Aug 3 14:17:18 PDT 2006


           Summary: opt crash - Illegal Instruction
           Product: libraries
           Version: trunk
          Platform: Macintosh
        OS/Version: MacOS X
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Scalar Optimizations
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: dpatel at apple.com

Bugpoint produced this while trying to reduce test case for

Program received signal EXC_BAD_ACCESS, Could not access memory. 
Reason: KERN_PROTECTION_FAILURE at address: 0x00000010
0x035ce798 in llvm::isInstructionTriviallyDead (I=0xcb0e0e0) at Local.cpp:328 
328       if (!I->mayWriteToMemory()) return true;

I am not sure this smaller test cause produces same crash or not. But in any case it causes  Illegal 

$ opt lgc.bc -load-vn -gcse -simplifycfg

------- You are receiving this mail because: -------
You are on the CC list for the bug, or are watching someone who is.

More information about the llvm-bugs mailing list