Chandler Carruth cad5492fda [PM] The assumption cache is fundamentally designed to be self-updating, ... mark it as never invalidated in the new PM. The old PM already required this to work, and after a discussion with Hal this seems to really be the only sensible answer. The cache gracefully degrades as the IR is mutated, and most things which do this should already be incrementally updating the cache. This gets rid of a bunch of logic preserving and testing the invalidation of this analysis. llvm-svn: 292039		2017-01-15 00:26:18 +00:00
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llvm	[PM] The assumption cache is fundamentally designed to be self-updating,	2017-01-15 00:26:18 +00:00
llvm-c	[GVN] Initial check-in of a new global value numbering algorithm.	2016-12-22 16:03:48 +00:00