[LLVMbugs] [Bug 7454] New: Should not custom lower this!; UNREACHABLE executed at X86ISelLowering.cpp:7576!

bugzilla-daemon at llvm.org bugzilla-daemon at llvm.org
Tue Jun 22 17:33:17 CDT 2010


http://llvm.org/bugs/show_bug.cgi?id=7454

           Summary: Should not custom lower this!; UNREACHABLE executed at
                    X86ISelLowering.cpp:7576!
           Product: libraries
           Version: trunk
          Platform: Other
        OS/Version: FreeBSD
            Status: NEW
          Severity: normal
          Priority: P
         Component: Backend: X86
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: hinokind at gmail.com
                CC: llvmbugs at cs.uiuc.edu


Created an attachment (id=5089)
 --> (http://llvm.org/bugs/attachment.cgi?id=5089)
testcase.bc

$ clang -c -emit-llvm unreach4-min.c -o u.bc
<warnings>

$ llc u.bc
Should not custom lower this!
UNREACHABLE executed at X86ISelLowering.cpp:7576!
Stack dump:
0.    Program arguments: llc u.bc 
1.    Running pass 'Function Pass Manager' on module 'u.bc'.
2.    Running pass 'X86 DAG->DAG Instruction Selection' on function
'@deliver_signal'
Abort (core dumped)

$ llc --version
Low Level Virtual Machine (http://llvm.org/):
  llvm version 2.8svn
  Optimized build with assertions.
  Built Jun 22 2010 (23:07:14).
  Host: x86_64-unknown-freebsd8.0
  Host CPU: k8-sse3

  Registered Targets:
    x86    - 32-bit X86: Pentium-Pro and above
    x86-64 - 64-bit X86: EM64T and AMD64


Using revision 106586.

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