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Sanjay Patel 31ddcffc0e [TargetLowering] improve the default expansion of uaddsat/usubsat
This is a subset of what was proposed in:
D59006
...and may overlap with test changes from:
D59174
...but it seems like a good general optimization to turn selects
into bitwise-logic when possible because we never know exactly
what can happen at this stage of DAG combining depending on how
the target has defined things.

Differential Revision: https://reviews.llvm.org/D59066

llvm-svn: 356332
2019-03-17 14:57:40 +00:00
2019-03-15 20:43:53 +00:00
2019-03-16 03:46:02 +00:00
2019-02-26 05:46:45 +00:00
2019-02-19 20:38:51 +00:00

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