35 lines
1.2 KiB
Factor
35 lines
1.2 KiB
Factor
USING: compiler.cfg compiler.cfg.dominance.private help.markup help.syntax
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sequences ;
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IN: compiler.cfg.dominance
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HELP: dom-parents
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{ $var-description "Maps bb -> idom(bb)" } ;
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HELP: dom-children
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{ $values { "bb" basic-block } { "seq" sequence } }
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{ $description "Maps bb -> {bb' | idom(bb') = bb} or in other words, all basic blocks dominated by the given basic block." } ;
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HELP: dom-parent
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{ $values { "bb" basic-block } { "bb'" basic-block } }
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{ $description "The basic block dominating the given block." } ;
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HELP: needs-dominance
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{ $values { "cfg" cfg } }
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{ $description "Recalculates predecessor and dominance info for the given cfg." } ;
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ARTICLE: "compiler.cfg.dominance" "A Simple, Fast Dominance Algorithm"
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"A Simple, Fast Dominance Algorithm" $nl
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"Keith D. Cooper, Timothy J. Harvey, and Ken Kennedy" $nl
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"http://www.cs.rice.edu/~keith/EMBED/dom.pdf"
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$nl
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"Also, a nice overview is given in these lecture notes:" $nl
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"http://llvm.cs.uiuc.edu/~vadve/CS526/public_html/Notes/4ssa.4up.pdf"
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$nl
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"To rebuild dominance information:"
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{ $subsections needs-dominance }
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"To read the dominance data:"
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{ $subsections dom-children dom-parent } ;
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ABOUT: "compiler.cfg.dominance"
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