[PATCH] D55747: [SelectionDAGBuilder] Enable funnel shift building to custom rotates

[Simon Pilgrim via Phabricator via llvm-commits]

RKSimon updated this revision to Diff 179068.
RKSimon added a comment.

rebased now that avx512 avoids lowering v16i8 rotations (expansion to wider shifts is better).


Repository:
  rL LLVM

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D55747/new/

https://reviews.llvm.org/D55747

Files:
  lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
  test/CodeGen/X86/funnel-shift-rot.ll
  test/CodeGen/X86/vector-fshl-rot-128.ll
  test/CodeGen/X86/vector-fshl-rot-256.ll
  test/CodeGen/X86/vector-fshl-rot-512.ll
  test/CodeGen/X86/vector-fshr-rot-128.ll
  test/CodeGen/X86/vector-fshr-rot-256.ll
  test/CodeGen/X86/vector-fshr-rot-512.ll

-------------- next part --------------
A non-text attachment was scrubbed...
Name: D55747.179068.patch
Type: text/x-patch
Size: 377229 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/llvm-commits/attachments/20181220/bc3440f9/attachment-0001.bin>