[PATCH] D17681: [X86][AVX] Better support for the variable mask form of VPERMILPD/VPERMILPS

[Simon Pilgrim via llvm-commits]

RKSimon created this revision.
RKSimon added reviewers: qcolombet, ab, andreadb, spatel.
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The variable mask form of VPERMILPD/VPERMILPS were only partially implemented, with much of it still performed as an intrinsic.

This patch properly defines the instructions in terms of X86ISD::VPERMILPV, permitting the opcode to be easily combined as a target shuffle.

Repository:
  rL LLVM

http://reviews.llvm.org/D17681

Files:
  lib/Target/X86/X86ISelLowering.cpp
  lib/Target/X86/X86InstrSSE.td
  lib/Target/X86/X86IntrinsicsInfo.h
  test/CodeGen/X86/vector-shuffle-combining-avx.ll

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