Chandler Carruth edd2b49134 [PM] Widen the interface for invalidate on an analysis result now that ... it is completely optional, and sink the logic for handling the preserved analysis set into it. This allows us to implement the delegation logic desired in the proxy module analysis for the function analysis manager where if the proxy itself is preserved we assume the set of functions hasn't changed and we do a fine grained invalidation by walking the functions in the module and running the invalidate for them all at the manager level and letting it try to invalidate any passes. This in turn makes it blindingly obvious why we should hoist the invalidate trait and have two collections of results. That allows handling invalidation for almost all analyses without indirect calls and it allows short circuiting when the preserved set is all. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@195338 91177308-0d34-0410-b5e6-96231b3b80d8		2013-11-21 10:53:05 +00:00
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llvm	[PM] Widen the interface for invalidate on an analysis result now that	2013-11-21 10:53:05 +00:00
llvm-c	Expose the fence instruction via the C API.	2013-11-20 00:07:49 +00:00