SuccessChanges

Summary

  1. [CSE] Make domInfo a stored property, cut use of DominanceInfo::hasDominanceInfo. NFC. (details)
Commit 1e344ce4f3fac4beb5e23e04dc3dd59398125956 by clattner
[CSE] Make domInfo a stored property, cut use of DominanceInfo::hasDominanceInfo. NFC.

CSE is the only client of this API, refactor it a bit to pull the query
internally to make changes to DominanceInfo a bit easier.  This commit
also improves comments a bit.
The file was modifiedmlir/include/mlir/IR/Dominance.h
The file was modifiedmlir/lib/Transforms/CSE.cpp