[PATCH] D31483: [DAGCombiner] convert and-of-seteq to bitwise logic+seteq (PR32401)
Nemanja Ivanovic via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Wed Apr 5 01:21:07 PDT 2017
nemanjai accepted this revision.
nemanjai added a comment.
I think the PPC changes look good.
================
Comment at: test/CodeGen/PowerPC/setcc-logic.ll:454-456
+; CHECK-NEXT: cntlzw 3, 3
+; CHECK-NEXT: nor 3, 3, 3
+; CHECK-NEXT: rlwinm 3, 3, 27, 31, 31
----------------
spatel wrote:
> I think this sequence is better than crand+isel, but another possibility:
> https://bugs.llvm.org/show_bug.cgi?id=32520
This is in the pipeline:
https://reviews.llvm.org/D31240
https://reviews.llvm.org/D31483
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