66 lines
1.9 KiB
Factor
66 lines
1.9 KiB
Factor
USING: namespaces assocs sequences compiler.tree.builder
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compiler.tree.dead-code compiler.tree.def-use compiler.tree
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compiler.tree.combinators compiler.tree.debugger
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compiler.tree.normalization tools.test
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kernel math stack-checker.state accessors combinators io ;
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IN: compiler.tree.dead-code.tests
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\ remove-dead-code must-infer
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: count-live-values ( quot -- n )
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build-tree
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normalize
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compute-def-use
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remove-dead-code
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0 swap [
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{
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{ [ dup #push? ] [ out-d>> length + ] }
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{ [ dup #introduce? ] [ drop 1 + ] }
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[ drop ]
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} cond
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] each-node ;
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[ 3 ] [ [ 1 2 3 ] count-live-values ] unit-test
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[ 1 ] [ [ drop ] count-live-values ] unit-test
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[ 0 ] [ [ 1 drop ] count-live-values ] unit-test
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[ 1 ] [ [ 1 2 drop ] count-live-values ] unit-test
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[ 3 ] [ [ [ 1 ] [ 2 ] if ] count-live-values ] unit-test
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[ 1 ] [ [ [ 1 ] [ 2 ] if drop ] count-live-values ] unit-test
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[ 2 ] [ [ [ 1 ] [ dup ] if drop ] count-live-values ] unit-test
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[ 2 ] [ [ 1 2 + ] count-live-values ] unit-test
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[ 0 ] [ [ 1 2 + drop ] count-live-values ] unit-test
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[ 3 ] [ [ 1 2 + 3 + ] count-live-values ] unit-test
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[ 0 ] [ [ 1 2 + 3 + drop ] count-live-values ] unit-test
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[ 4 ] [ [ [ 1 ] [ 2 ] if 3 + ] count-live-values ] unit-test
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[ 1 ] [ [ [ 1 ] [ 2 ] if 3 + drop ] count-live-values ] unit-test
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[ 0 ] [ [ [ ] call ] count-live-values ] unit-test
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[ 1 ] [ [ [ 1 ] call ] count-live-values ] unit-test
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[ 2 ] [ [ [ 1 ] [ 2 ] compose call ] count-live-values ] unit-test
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[ 0 ] [ [ [ 1 ] [ 2 ] compose call + drop ] count-live-values ] unit-test
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: optimize-quot ( quot -- quot' )
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build-tree normalize compute-def-use remove-dead-code
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nodes>quot ;
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[ [ drop 1 ] ] [ [ >r 1 r> drop ] optimize-quot ] unit-test
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[ [ read 1 2 ] ] [ [ read >r 1 2 r> drop ] optimize-quot ] unit-test
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[ [ over >r + r> ] ] [ [ [ + ] [ drop ] 2bi ] optimize-quot ] unit-test
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