Jim Grosbach 8b31ef50c0 ARM extend instructions simplification. ...

Refactor the SXTB, SXTH, SXTB16, UXTB, UXTH, and UXTB16 instructions to not
have an 'r' and an 'r_rot' version, but just a single version with a rotate
that can be zero. Use plain Pat<>'s for the ISel of the non-rotated version.

llvm-svn: 136225

2011-07-27 16:47:19 +00:00

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