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manager proxies and use those rather than repeating their definition four times. There are real differences between the two directions: outer AMs are const and don't need to have invalidation tracked. But every proxy in a particular direction is identical except for the analysis manager type and the IR unit they proxy into. This makes them prime candidates for nice templates. I've started introducing explicit template instantiation declarations and definitions as well because we really shouldn't be emitting all this everywhere. I'm going to go back and add the same for the other templates like this in a follow-up patch. I've left the analysis manager as an opaque type rather than using two IR units and requiring it to be an AnalysisManager template specialization. I think its important that users retain the ability to provide their own custom analysis management layer and provided it has the appropriate API everything should Just Work. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@262127 91177308-0d34-0410-b5e6-96231b3b80d8
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