12 lines
639 B
Factor
12 lines
639 B
Factor
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USING: assocs compiler.tree help.markup help.syntax kernel ;
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IN: compiler.tree.finalization
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ARTICLE: "compiler.tree.finalization" "Final pass cleans up high-level IR"
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"This is a late-stage optimization. See the vocab " { $vocab-link "compiler.tree.late-optimizations" } "."
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$nl
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"This pass runs after propagation, so that it can expand type predicates; these cannot be expanded before propagation since we need to see 'fixnum?' instead of 'tag 0 eq?' and so on, for semantic reasoning."
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$nl
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"We also delete empty stack shuffles and copies to facilitate tail call optimization in the code generator." ;
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ABOUT: "compiler.tree.finalization"
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