[PATCH] D48301: DAG combine "and|or (select c, -1, 0), x" -> "select c, x, 0|-1"

[Stanislav Mekhanoshin via Phabricator via llvm-commits]

rampitec updated this revision to Diff 151829.
rampitec added a comment.

Rebased.


https://reviews.llvm.org/D48301

Files:
  lib/CodeGen/SelectionDAG/DAGCombiner.cpp
  test/CodeGen/AMDGPU/dagcombine-select.ll
  test/CodeGen/AMDGPU/udivrem.ll
  test/CodeGen/X86/dagcombine-select.ll

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