17 lines
460 B
Factor
17 lines
460 B
Factor
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! Copyright (C) 2009 Slava Pestov.
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! See http://factorcode.org/license.txt for BSD license.
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USING: kernel accessors assocs compiler.cfg.def-use
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compiler.cfg.dataflow-analysis ;
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IN: compiler.cfg.linear-scan.liveness
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! See http://en.wikipedia.org/wiki/Liveness_analysis
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BACKWARD-ANALYSIS: live
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M: live-analysis transfer-set
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drop instructions>>
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[ gen-set assoc-union ] keep
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kill-set assoc-diff ;
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M: live-analysis join-sets
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drop assoc-combine ;
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