[LLVMbugs] [Bug 15003] New: [ARM, NEON] UNREACHABLE in LegalizeIntegerTypes / "do not know how to promote this operator"

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=15003

             Bug #: 15003
           Summary: [ARM,NEON] UNREACHABLE in LegalizeIntegerTypes / "do
                    not know how to promote this operator"
           Product: new-bugs
           Version: unspecified
          Platform: PC
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P
         Component: new bugs
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: matt at pharr.org
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified


Created attachment 9893
  --> http://llvm.org/bugs/attachment.cgi?id=9893
test case

With top of tree and the attached, I'm seeing the following crash:

% llc -mcpu=cortex-a9 -mattr=+neon b1.ll
PromoteIntegerResult #0: 0x7fe1a084f710: v4i8 = llvm.arm.neon.vbsl
0x7fe1a0831510, 0x7fe1a0832010, 0x7fe1a084fd10, 0x7fe1a0834010 [ORD=46] [ID=0]

Do not know how to promote this operator!
UNREACHABLE executed at LegalizeIntegerTypes.cpp:49!
[...]

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