[PATCH] D16537: [X86][AVX] Lower shuffles as repeated lane shuffles then lane-crossing shuffles

[Simon Pilgrim via llvm-commits]

RKSimon updated this revision to Diff 47734.
RKSimon added a comment.

Updated based on Ahmed's comments


Repository:
  rL LLVM

http://reviews.llvm.org/D16537

Files:
  lib/Target/X86/X86ISelLowering.cpp
  test/CodeGen/X86/avx-splat.ll
  test/CodeGen/X86/avx2-conversions.ll
  test/CodeGen/X86/vector-shuffle-256-v16.ll
  test/CodeGen/X86/vector-shuffle-256-v32.ll
  test/CodeGen/X86/vector-shuffle-256-v4.ll
  test/CodeGen/X86/vector-shuffle-256-v8.ll
  test/CodeGen/X86/vector-shuffle-combining.ll
  test/CodeGen/X86/vector-trunc.ll

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