[PATCH] D31944: [DAGCombiner] add (sext i1 X), 1 --> zext (not i1 X)

[Sanjay Patel via Phabricator via llvm-commits]

spatel updated this revision to Diff 94907.
spatel added a comment.

Patch updated:
Check legality of the new ops, so the transform can fire post-legalization too.


https://reviews.llvm.org/D31944

Files:
  lib/CodeGen/SelectionDAG/DAGCombiner.cpp
  test/CodeGen/ARM/bool-ext-inc.ll
  test/CodeGen/X86/bool-ext-inc.ll

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