[AssignTiles] Refactor pass to make it more extensible (#1079) #2269

Job	Run time
Build and Test (linux) (ON)	8m 59s
Build and Test (linux) (OFF)	7m 45s
E2E Test Linux Phoenix (linux-phoenix)	21m 38s
E2E Test Linux Strix (linux-strix)	24m 34s
	1h 2m 56s

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