[PATCH] D12561: [X86][SSE] Match zero/any extension shuffles that don't start from the first element

[Simon Pilgrim via llvm-commits]

RKSimon updated this revision to Diff 34649.
RKSimon added a comment.

Lower with pmovzx for offset and scale=2 if its for a vector size greater than 128-bits.


Repository:
  rL LLVM

http://reviews.llvm.org/D12561

Files:
  lib/Target/X86/X86ISelLowering.cpp
  test/CodeGen/X86/machine-cp.ll
  test/CodeGen/X86/vec_cast2.ll
  test/CodeGen/X86/vec_int_to_fp.ll
  test/CodeGen/X86/vector-sext.ll
  test/CodeGen/X86/vector-shuffle-256-v16.ll
  test/CodeGen/X86/vector-shuffle-256-v32.ll
  test/CodeGen/X86/vector-shuffle-sse4a.ll
  test/CodeGen/X86/vector-zext.ll

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