[PATCH] Add a pass for constructing gc.statepoint sequences w/explicit relocations

[Philip Reames]

I submitted a slightly cleaned up version of this in 229945.  I included most of the easy to fix and merge changes mentioned by Sanjoy.  I plan on leaving this review open until all the style comments have been addressed.  Once I've completed everything I already know of, I'll upload a revised diff for a more typical review cycle.


http://reviews.llvm.org/D6975

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