Anna Thomas 55bdb14026 [LoopPredication] Preserve MemorySSA ...

Since LICM has now unconditionally moved to MemorySSA based form, all
passes that run in same LPM as LICM need to preserve MemorySSA (i.e. our
downstream pipeline).

Added loop-mssa to all tests and perform -verify-memoryssa within
LoopPredication itself.

Differential Revision: https://reviews.llvm.org/D108724

2021-08-26 11:36:25 -04:00

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