Michael Gottesman 11ad8ff531 [enum-simplification] Make enum simplification global and teach it how to infer enum case from switch_enum. ...

With this change we now simplify 2192 retain, release operations on
enums an increase of ~56% over the previous stat, 1403 retain, release
operations.

The next step is to implement switch_enum simplification and pushing
releases on enums into switch regions (the real purpose of this pass).

rdar://17139960

Swift SVN r18740

2014-06-09 00:07:00 +00:00

3.8 KiB

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