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mirror of https://github.com/RPCS3/llvm-mirror.git synced 2025-01-31 20:51:52 +01:00
Craig Topper 9eeafe7bcb [ValueTracking] Improve llvm.abs handling in computeKnownBits.
Add the optimizations we have in the SelectionDAG version.
Known non-negative copies all known bits. Any known one other than
the sign bit makes result non-negative.

Differential Revision: https://reviews.llvm.org/D85000
2020-07-31 15:55:03 -07:00
2020-07-31 18:32:54 +00:00
2020-03-14 18:08:26 -07:00

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