[PATCH] [FaultMaps] Let the frontend pre-select implicit null check candidates.

[Joseph Tremoulet]

Sounds good to me.  I like the idea of an '-aggressive' switch; without it, the profile-driven pre-pass would either need to redundantly pattern-match to determine which compares precede dereferences or needlessly annotate irrelevant compares with !make-implicit.


http://reviews.llvm.org/D10824

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