[PATCH] D42948: [SelectionDAG] Support some SimplifySetCC cases for comparing against vector splats of constants.

[Craig Topper via Phabricator via llvm-commits]

craig.topper updated this revision to Diff 135557.
craig.topper added a comment.

Change to only allow vector adjustments before legalize ops since the isCondCodeLegal is probably not correct for targets today. But this will at least give us a chance to make some simplifications.


https://reviews.llvm.org/D42948

Files:
  lib/CodeGen/SelectionDAG/TargetLowering.cpp
  test/CodeGen/X86/avx512-insert-extract.ll
  test/CodeGen/X86/vector-compare-simplify.ll

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