Chris Lattner fec2f22459 Enhance SILGen of InjectIntoOptionalExpr/BindOptionalExpr/OptionalEvaluationExpr ...

to not drop optionals in memory all the time.  We now generate a lot better code
for them in many cases.  This makes generated SIL more readable and should help
-O0 perf.

This is progress towards <rdar://problem/20642198> SILGen shouldn't be dropping optionals into memory all the time




Swift SVN r28102

2015-05-03 23:27:28 +00:00

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