River Riddle 06c3b9c7be [mlir:PDL] Fix bugs in PDLPatternModule merging ...

* Constraints/Rewrites registered before a pattern was added were dropped
* Constraints/Rewrites may be registered multiple times (if different pattern sets depend on them)
* ModuleOp no longer has a terminator, so we shouldn't be removing the terminator from it

Differential Revision: https://reviews.llvm.org/D114816

2021-12-10 19:38:43 +00:00

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