[PATCH] D48237: [SCEV] Use LLVM_MARK_AS_BITMASK_ENUM in SCEV.

[Justin Lebar via Phabricator via llvm-commits]

jlebar created this revision.
jlebar added a reviewer: sanjoy.
Herald added a subscriber: hiraditya.

Obviates the need for mask/clear/setFlags helpers.

There are some expressions here which can be simplified, but to keep
this easy to review, I have not simplified them in this patch.

No functional change.


https://reviews.llvm.org/D48237

Files:
  llvm/include/llvm/Analysis/ScalarEvolution.h
  llvm/include/llvm/Analysis/ScalarEvolutionExpressions.h
  llvm/lib/Analysis/ScalarEvolution.cpp

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