Optimize #ifNil: messages #2
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added 2 commits
July 9, 2013 14:15
the compiler will produce opimized messages and it won't create a block closure.
can be GC'ed if they're tenured and not accessible from a Smalltalk context. Why protected them there and not in the code calling them (grow_dictionary, grow_identity_dictionary, ...) I think it's the responsibility of the function to protects the objects maybe the code could change or whatever, it's simpler to follow that rule.
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ifNil is inlined by the compiled it uses optimized bytecodes and doesn't create a block closure