[llvm-bugs] [Bug 32484] New: Assertion failed: ((!ZeroN00 || !ZeroN01) && "Both inputs zero!")

via llvm-bugs llvm-bugs at lists.llvm.org
Fri Mar 31 20:31:28 PDT 2017


            Bug ID: 32484
           Summary: Assertion failed: ((!ZeroN00 || !ZeroN01) && "Both
                    inputs zero!")
           Product: tools
           Version: trunk
          Hardware: PC
                OS: All
            Status: NEW
          Severity: normal
          Priority: P
         Component: llc
          Assignee: unassignedbugs at nondot.org
          Reporter: jlerouge at apple.com
                CC: llvm-bugs at lists.llvm.org

Created attachment 18207
  --> http://bugs.llvm.org/attachment.cgi?id=18207&action=edit
bugpoint reduced test case

On the attached bitcode:

$ ./bin/llc -O0 test.ll 
Assertion failed: ((!ZeroN00 || !ZeroN01) && "Both inputs zero!"), function
visitOR, file /llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp, line 4086.
Stack dump:
0.      Program arguments: ./bin/llc -O0 test.ll 
1.      Running pass 'Function Pass Manager' on module 'test.ll'.
2.      Running pass 'X86 DAG->DAG Instruction Selection' on function '@foo'
Abort trap: 6

Bugpoint reduced.

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