[PATCH] D51263: [X86][SSE] Improve variable scalar shift of vXi8 vectors (PR34694)

[Simon Pilgrim via Phabricator via llvm-commits]

RKSimon updated this revision to Diff 162662.
RKSimon added a comment.

Avoid vector-scalar-vector to zero extend the bottom v16i8 element


Repository:
  rL LLVM

https://reviews.llvm.org/D51263

Files:
  lib/Target/X86/X86ISelLowering.cpp
  test/CodeGen/X86/vector-rotate-512.ll
  test/CodeGen/X86/vector-shift-ashr-128.ll
  test/CodeGen/X86/vector-shift-ashr-256.ll
  test/CodeGen/X86/vector-shift-ashr-512.ll
  test/CodeGen/X86/vector-shift-lshr-128.ll
  test/CodeGen/X86/vector-shift-lshr-256.ll
  test/CodeGen/X86/vector-shift-lshr-512.ll
  test/CodeGen/X86/vector-shift-shl-128.ll
  test/CodeGen/X86/vector-shift-shl-256.ll
  test/CodeGen/X86/vector-shift-shl-512.ll

-------------- next part --------------
A non-text attachment was scrubbed...
Name: D51263.162662.patch
Type: text/x-patch
Size: 93515 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/llvm-commits/attachments/20180827/43bd4b14/attachment-0001.bin>