[PATCH] D58965: [DAGCombiner] Enable UADDO/USUBO vector combine support

Simon Pilgrim via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Tue Mar 5 07:13:40 PST 2019


RKSimon marked an inline comment as done.
RKSimon added inline comments.


================
Comment at: test/CodeGen/X86/combine-addo.ll:145
+; AVX-NEXT:    vpxor %xmm3, %xmm2, %xmm2
+; AVX-NEXT:    vblendvps %xmm2, %xmm1, %xmm0, %xmm0
 ; AVX-NEXT:    retq
----------------
Looks like we're missing a blendv + ~cmp combine -> commuted blendv - I'll add this separately.


Repository:
  rL LLVM

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D58965/new/

https://reviews.llvm.org/D58965





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