[PATCH] D11439: [X86][SSE] Vectorize i64 ASHR operations

[Simon Pilgrim]

RKSimon updated this revision to Diff 30634.
RKSimon added a comment.

rebased.


Repository:
  rL LLVM

http://reviews.llvm.org/D11439

Files:
  lib/Target/X86/X86ISelLowering.cpp
  lib/Target/X86/X86TargetTransformInfo.cpp
  test/Analysis/CostModel/X86/arith.ll
  test/Analysis/CostModel/X86/testshiftashr.ll
  test/CodeGen/X86/vector-shift-ashr-128.ll
  test/CodeGen/X86/vector-shift-ashr-256.ll

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