[PATCH] D66687: [x86] try to form more bt/test + set out of shift+mask patterns

Sanjay Patel via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Tue Aug 27 12:29:37 PDT 2019


spatel updated this revision to Diff 217474.
spatel added a comment.

Patch updated:
Rebased after rL369947 <https://reviews.llvm.org/rL369947>
@kparzysz - do we need to add more/different pattern-matching to form 'tstbit'?


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D66687/new/

https://reviews.llvm.org/D66687

Files:
  llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
  llvm/test/CodeGen/Hexagon/tstbit.ll
  llvm/test/CodeGen/X86/test-vs-bittest.ll

-------------- next part --------------
A non-text attachment was scrubbed...
Name: D66687.217474.patch
Type: text/x-patch
Size: 8046 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/llvm-commits/attachments/20190827/351228d4/attachment.bin>


More information about the llvm-commits mailing list