[PATCH] D68195: [DAGCombiner] Peek through vector concats when trying to combine shuffles.

[Amaury SECHET via Phabricator via llvm-commits]

deadalnix updated this revision to Diff 226018.
deadalnix added a comment.

Add a few comments


Repository:
  rL LLVM

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D68195/new/

https://reviews.llvm.org/D68195

Files:
  lib/CodeGen/SelectionDAG/DAGCombiner.cpp
  test/CodeGen/X86/vector-shuffle-combining.ll

-------------- next part --------------
A non-text attachment was scrubbed...
Name: D68195.226018.patch
Type: text/x-patch
Size: 6777 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/llvm-commits/attachments/20191022/a7cf5476/attachment.bin>