[LLVMbugs] [Bug 21801] New: ARM64: Assertion failed: ((BiggerPattern || (Srl_imm > 0 && Srl_imm < VT.getSizeInBits())) && "bad amount in shift node!")

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=21801

            Bug ID: 21801
           Summary: ARM64: Assertion failed: ((BiggerPattern || (Srl_imm >
                    0 && Srl_imm < VT.getSizeInBits())) && "bad amount in
                    shift node!")
           Product: libraries
           Version: trunk
          Hardware: PC
                OS: All
            Status: NEW
          Severity: normal
          Priority: P
         Component: Backend: AArch64
          Assignee: unassignedbugs at nondot.org
          Reporter: grosbach at apple.com
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified

Created attachment 13448
  --> http://llvm.org/bugs/attachment.cgi?id=13448&action=edit
llvm-stress --seed=29856

Attached bitcode asserts in the backend.

llc -mtriple=arm64-apple-ios8.0 -filetype=obj -o /dev/null test-29856.ll

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