David Green 9cf344e739 [ARM] Better patterns for fp <> predicate vectors ...

These are some better patterns for converting between predicates and floating
points. Much like the extends, we select "1"/"-1" or "0" depending on the
predicate value. Or we perform a compare against 0 to convert to a predicate.

Differential Revision: https://reviews.llvm.org/D65103

llvm-svn: 367191

2019-07-28 13:53:39 +00:00

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