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afb1938c39
We were assuming all SBFX-like operations would have the shl/asr form, but often when the field being extracted is an i8 or i16, we end up with a SIGN_EXTEND_INREG acting on a shift instead. Simple enough to check for though. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@213754 91177308-0d34-0410-b5e6-96231b3b80d8
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