Update CSE to respect nested regions that are isolated from above. This cl also remov...
authorRiver Riddle <riverriddle@google.com>
Mon, 24 Jun 2019 08:27:22 +0000 (01:27 -0700)
committerjpienaar <jpienaar@google.com>
Mon, 24 Jun 2019 20:44:53 +0000 (13:44 -0700)
commitb67cab4c44133a7b5fceafc6fc207c7df7c008e5
treed813429c730c768c1e1b7e937895d99d6ac01d0b
parent4dc629fc6758812e6e710d491da2777a78097690
Update CSE to respect nested regions that are isolated from above. This cl also removes the unused 'NthRegionIsIsolatedFromAbove' trait as it was replaced with a more general 'IsIsolatedFromAbove'.

PiperOrigin-RevId: 254709704
mlir/include/mlir/IR/OpDefinition.h
mlir/include/mlir/IR/Operation.h
mlir/lib/Transforms/CSE.cpp
mlir/test/Transforms/cse.mlir