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Author SHA1 Message Date
Nikita Popov ac87480bd8 [SCEV] Recognize min/max intrinsics 
Recognize umin/umax/smin/smax intrinsics and convert them to the
already existing SCEV nodes of the same name.

In the future we'll want SCEVExpander to also produce the intrinsics,
but we're not ready for that yet.

Differential Revision: https://reviews.llvm.org/D87160
 2020-09-05 16:30:11 +02:00
Nikita Popov 6b50ce3ac9 [SCEV] Add tests for min/max intrinsics (NFC) 2020-09-04 22:08:01 +02:00