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Johannes Doerfert 2b6e753087 [Attributor] Simplify comparison against constant null pointer
Comparison against null is a common pattern that usually is followed by
error handling code and the likes. We now use AANonNull to simplify
these comparisons optimistically in order to make more code dead early
on.

Reviewed By: uenoku

Differential Revision: https://reviews.llvm.org/D86145
2020-08-20 01:44:58 -05:00
2020-03-14 18:08:26 -07:00

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