[PATCH] [X86][XOP] Add support for the matching of the VPCMOV bit select instruction

[Simon Pilgrim]

Hi craig.topper, andreadb, spatel,

XOP has the VPCMOV instruction that performs the common vector bit select operation OR( AND( SRC1, SRC3 ), AND( SRC2, ~SRC3 ) )

This patch adds tablegen pattern matching for this instruction.

If there is interest we could later remove much of the int_x86_xop_vpcmov intrinsic code and use this instead.

REPOSITORY
  rL LLVM

http://reviews.llvm.org/D8841

Files:
  lib/Target/X86/X86InstrXOP.td
  test/CodeGen/X86/xop-pcmov.ll

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