John McCall dd07c8ca10 Add 'mark_dependence', which indicates that an address ...

or pointer depends on another for validity in a
non-obvious way.

Also, document some basic value-propagation rules
based roughly on the optimization rules for ARC.

Swift SVN r23695

2014-12-04 22:38:09 +00:00

67 KiB

Raw Blame History

View Raw