[PATCH] D66318: [SDAG] Update generic code to conservatively check for isAtomic in addition to isVolatile

[Philip Reames via Phabricator via llvm-commits]

reames updated this revision to Diff 219583.
reames added a comment.

Rebase to include isSimple usage, and test updates.

Still need to include the nonvolatile_load/nonvolatile_store cases.  Need access to a larger build machine for that one.  :)


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D66318/new/

https://reviews.llvm.org/D66318

Files:
  lib/CodeGen/SelectionDAG/DAGCombiner.cpp
  lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp
  lib/CodeGen/SelectionDAG/SelectionDAG.cpp
  lib/CodeGen/SelectionDAG/TargetLowering.cpp
  test/CodeGen/X86/atomic-unordered.ll

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