Alina Sbirlea 1ce82015f6 [MemorySSA] Restrict optimizations after a PhiTranslation. ...

Merging alias results from different paths, when a path did phi
translation is not necesarily correct. Conservatively terminate such paths.
Aimed to fix PR46156.

Differential Revision: https://reviews.llvm.org/D84905

2020-08-03 14:46:41 -07:00

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