190 lines
5.6 KiB
Factor
190 lines
5.6 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.propagation
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compiler.tree.cleanup compiler.tree.escape-analysis
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compiler.tree.tuple-unboxing compiler.tree.debugger
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compiler.tree.normalization compiler.tree.checker tools.test
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kernel math stack-checker.state accessors combinators io
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prettyprint words sequences.deep sequences.private arrays
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classes kernel.private ;
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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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propagate
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cleanup
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escape-analysis
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unbox-tuples
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compute-def-use
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remove-dead-code
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0 swap [
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dup
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[ #push? ] [ #introduce? ] bi or
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[ out-d>> length + ] [ drop ] if
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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 + ] count-live-values ] unit-test
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[ 0 ] [ [ 1 2 + drop ] count-live-values ] unit-test
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[ 3 ] [ [ 1 + 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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[ 3 ] [ [ 10 [ ] times ] count-live-values ] unit-test
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: optimize-quot ( quot -- quot' )
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build-tree
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normalize
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propagate
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cleanup
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escape-analysis
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unbox-tuples
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compute-def-use
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remove-dead-code
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"no-check" get [ dup check-nodes ] unless nodes>quot ;
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[ [ drop 1 ] ] [ [ >r 1 r> drop ] optimize-quot ] unit-test
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[ [ read drop 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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[ [ [ ] [ ] if ] ] [ [ [ 1 ] [ 2 ] if drop ] optimize-quot ] unit-test
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: flushable-1 ( a b -- c ) 2drop f ; flushable
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: flushable-2 ( a b -- c ) 2drop f ; flushable
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[ [ 2nip [ ] [ ] if ] ] [
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[ [ flushable-1 ] [ flushable-2 ] if drop ] optimize-quot
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] unit-test
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: non-flushable-3 ( a b -- c ) 2drop f ;
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[ [ [ 2drop ] [ non-flushable-3 drop ] if ] ] [
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[ [ flushable-1 ] [ non-flushable-3 ] if drop ] optimize-quot
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] unit-test
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[ [ [ f ] [ f ] if ] ] [ [ [ f ] [ f ] if ] optimize-quot ] unit-test
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[ ] [ [ dup [ 3 throw ] [ ] if ] optimize-quot drop ] unit-test
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[ [ [ . ] [ drop ] if ] ] [ [ [ dup . ] [ ] if drop ] optimize-quot ] unit-test
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[ [ f ] ] [ [ f dup [ ] [ ] if ] optimize-quot ] unit-test
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[ ] [ [ over [ ] [ dup [ "X" throw ] [ "X" throw ] if ] if ] optimize-quot drop ] unit-test
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: boo ( a b -- c ) 2drop f ;
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[ [ dup 4 eq? [ nip ] [ boo ] if ] ] [ [ dup dup 4 eq? [ drop nip ] [ drop boo ] if ] optimize-quot ] unit-test
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: squish ( quot -- quot' )
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[
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{
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{ [ dup word? ] [ dup vocabulary>> [ drop "REC" ] unless ] }
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{ [ dup wrapper? ] [ dup wrapped>> vocabulary>> [ drop "WRAP" ] unless ] }
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[ ]
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} cond
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] deep-map ;
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: call-recursive-dce-1 ( a -- b )
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[ call-recursive-dce-1 drop ] [ call-recursive-dce-1 ] bi ; inline recursive
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[ [ drop "WRAP" [ "REC" drop "REC" ] label ] ] [
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[ call-recursive-dce-1 ] optimize-quot squish
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] unit-test
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: produce-a-value ( -- a ) f ;
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: call-recursive-dce-2 ( a -- b )
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drop
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produce-a-value dup . call-recursive-dce-2 ; inline recursive
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[ [ "WRAP" [ produce-a-value . "REC" ] label ] ] [
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[ f call-recursive-dce-2 drop ] optimize-quot squish
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] unit-test
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[ [ "WRAP" [ produce-a-value . "REC" ] label ] ] [
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[ f call-recursive-dce-2 ] optimize-quot squish
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] unit-test
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: call-recursive-dce-3 ( a -- )
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call-recursive-dce-3 ; inline recursive
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[ [ [ drop "WRAP" [ "REC" ] label ] [ . ] if ] ] [
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[ [ call-recursive-dce-3 ] [ . ] if ] optimize-quot squish
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] unit-test
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[ [ drop "WRAP" [ "REC" ] label ] ] [
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[ call-recursive-dce-3 ] optimize-quot squish
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] unit-test
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: call-recursive-dce-4 ( a -- b )
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call-recursive-dce-4 ; inline recursive
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[ [ drop "WRAP" [ "REC" ] label ] ] [
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[ call-recursive-dce-4 ] optimize-quot squish
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] unit-test
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[ [ drop "WRAP" [ "REC" ] label ] ] [
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[ call-recursive-dce-4 drop ] optimize-quot squish
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] unit-test
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[ ] [ [ f call-recursive-dce-3 swap ] optimize-quot drop ] unit-test
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: call-recursive-dce-5 ( -- ) call-recursive-dce-5 ; inline recursive
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[ ] [ [ call-recursive-dce-5 swap ] optimize-quot drop ] unit-test
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[ ] [ [ [ 0 -rot set-nth-unsafe ] curry (each-integer) ] optimize-quot drop ] unit-test
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: call-recursive-dce-6 ( i quot: ( i -- ? ) -- i )
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dup call [ drop ] [ call-recursive-dce-6 ] if ; inline recursive
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[ ] [ [ [ ] curry [ ] swap compose call-recursive-dce-6 ] optimize-quot drop ] unit-test
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[ ] [ [ [ ] rot [ . ] curry pick [ roll 2drop call ] [ 2nip call ] if ] optimize-quot drop ] unit-test
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[ [ drop ] ] [ [ array? drop ] optimize-quot ] unit-test
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[ [ drop ] ] [ [ array instance? drop ] optimize-quot ] unit-test
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[ [ drop ] ] [ [ { integer } declare f <array> drop ] optimize-quot ] unit-test
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[ [ f <array> drop ] ] [ [ f <array> drop ] optimize-quot ] unit-test
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: call-recursive-dce-7 ( obj -- elt ? )
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dup 5 = [ t ] [ dup [ call-recursive-dce-7 ] [ drop f f ] if ] if ; inline recursive
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[ ] [ [ call-recursive-dce-7 ] optimize-quot drop ] unit-test
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