basis/compiler/tree/dead-code/dead-code-tests.factor

   1 USING: namespaces assocs sequences compiler.tree.builder
   2 compiler.tree.dead-code compiler.tree.def-use compiler.tree
   3 compiler.tree.combinators compiler.tree.propagation
   4 compiler.tree.cleanup compiler.tree.escape-analysis
   5 compiler.tree.tuple-unboxing compiler.tree.debugger
   6 compiler.tree.recursive compiler.tree.normalization
   7 compiler.tree.checker tools.test kernel math stack-checker.state
   8 accessors combinators io prettyprint words sequences.deep
   9 sequences.private arrays classes kernel.private ;
  10 IN: compiler.tree.dead-code.tests
  11
  12 : count-live-values ( quot -- n )
  13     build-tree
  14     analyze-recursive
  15     normalize
  16     propagate
  17     cleanup
  18     escape-analysis
  19     unbox-tuples
  20     compute-def-use
  21     remove-dead-code
  22     0 swap [
  23         dup
  24         [ #push? ] [ #introduce? ] bi or
  25         [ out-d>> length + ] [ drop ] if
  26     ] each-node ;
  27
  28 [ 3 ] [ [ 1 2 3 ] count-live-values ] unit-test
  29
  30 [ 1 ] [ [ drop ] count-live-values ] unit-test
  31
  32 [ 0 ] [ [ 1 drop ] count-live-values ] unit-test
  33
  34 [ 1 ] [ [ 1 2 drop ] count-live-values ] unit-test
  35
  36 [ 3 ] [ [ [ 1 ] [ 2 ] if ] count-live-values ] unit-test
  37
  38 [ 1 ] [ [ [ 1 ] [ 2 ] if drop ] count-live-values ] unit-test
  39
  40 [ 2 ] [ [ [ 1 ] [ dup ] if drop ] count-live-values ] unit-test
  41
  42 [ 2 ] [ [ 1 + ] count-live-values ] unit-test
  43
  44 [ 0 ] [ [ 1 2 + drop ] count-live-values ] unit-test
  45
  46 [ 3 ] [ [ 1 + 3 + ] count-live-values ] unit-test
  47
  48 [ 0 ] [ [ 1 2 + 3 + drop ] count-live-values ] unit-test
  49
  50 [ 4 ] [ [ [ 1 ] [ 2 ] if 3 + ] count-live-values ] unit-test
  51
  52 [ 1 ] [ [ [ 1 ] [ 2 ] if 3 + drop ] count-live-values ] unit-test
  53
  54 [ 0 ] [ [ [ ] call ] count-live-values ] unit-test
  55
  56 [ 1 ] [ [ [ 1 ] call ] count-live-values ] unit-test
  57
  58 [ 2 ] [ [ [ 1 ] [ 2 ] compose call ] count-live-values ] unit-test
  59
  60 [ 0 ] [ [ [ 1 ] [ 2 ] compose call + drop ] count-live-values ] unit-test
  61
  62 [ 3 ] [ [ 10 [ ] times ] count-live-values ] unit-test
  63
  64 : optimize-quot ( quot -- quot' )
  65     build-tree
  66     analyze-recursive
  67     normalize
  68     propagate
  69     cleanup
  70     escape-analysis
  71     unbox-tuples
  72     compute-def-use
  73     remove-dead-code
  74     "no-check" get [ dup check-nodes ] unless nodes>quot ;
  75
  76 [ [ drop 1 ] ] [ [ [ 1 ] dip drop ] optimize-quot ] unit-test
  77
  78 [ [ read drop 1 2 ] ] [ [ read [ 1 2 ] dip drop ] optimize-quot ] unit-test
  79
  80 [ [ over >R + R> ] ] [ [ [ + ] [ drop ] 2bi ] optimize-quot ] unit-test
  81
  82 [ [ [ ] [ ] if ] ] [ [ [ 1 ] [ 2 ] if drop ] optimize-quot ] unit-test
  83
  84 : flushable-1 ( a b -- c ) 2drop f ; flushable
  85 : flushable-2 ( a b -- c ) 2drop f ; flushable
  86
  87 [ [ 2nip [ ] [ ] if ] ] [
  88     [ [ flushable-1 ] [ flushable-2 ] if drop ] optimize-quot
  89 ] unit-test
  90
  91 : non-flushable-3 ( a b -- c ) 2drop f ;
  92
  93 [ [ [ 2drop ] [ non-flushable-3 drop ] if ] ] [
  94     [ [ flushable-1 ] [ non-flushable-3 ] if drop ] optimize-quot
  95 ] unit-test
  96
  97 [ [ [ f ] [ f ] if ] ] [ [ [ f ] [ f ] if ] optimize-quot ] unit-test
  98
  99 [ ] [ [ dup [ 3 throw ] [ ] if ] optimize-quot drop ] unit-test
 100
 101 [ [ [ . ] [ drop ] if ] ] [ [ [ dup . ] [ ] if drop ] optimize-quot ] unit-test
 102
 103 [ [ f ] ] [ [ f dup [ ] [ ] if ] optimize-quot ] unit-test
 104
 105 [ ] [ [ over [ ] [ dup [ "X" throw ] [ "X" throw ] if ] if ] optimize-quot drop ] unit-test
 106
 107 : boo ( a b -- c ) 2drop f ;
 108
 109 [ [ dup 4 eq? [ nip ] [ boo ] if ] ] [ [ dup dup 4 eq? [ drop nip ] [ drop boo ] if ] optimize-quot ] unit-test
 110
 111 : squish ( quot -- quot' )
 112     [
 113         {
 114             { [ dup word? ] [ dup vocabulary>> [ drop "REC" ] unless ] }
 115             { [ dup wrapper? ] [ dup wrapped>> vocabulary>> [ drop "WRAP" ] unless ] }
 116             [ ]
 117         } cond
 118     ] deep-map ;
 119
 120 : call-recursive-dce-1 ( a -- b )
 121     [ call-recursive-dce-1 drop ] [ call-recursive-dce-1 ] bi ; inline recursive
 122
 123 [ [ drop "WRAP" [ "REC" drop "REC" ] label ] ] [
 124     [ call-recursive-dce-1 ] optimize-quot squish
 125 ] unit-test
 126
 127 : produce-a-value ( -- a ) f ;
 128
 129 : call-recursive-dce-2 ( a -- b )
 130     drop
 131     produce-a-value dup . call-recursive-dce-2 ; inline recursive
 132
 133 [ [ "WRAP" [ produce-a-value . "REC" ] label ] ] [
 134     [ f call-recursive-dce-2 drop ] optimize-quot squish
 135 ] unit-test
 136
 137 [ [ "WRAP" [ produce-a-value . "REC" ] label ] ] [
 138     [ f call-recursive-dce-2 ] optimize-quot squish
 139 ] unit-test
 140
 141 : call-recursive-dce-3 ( a -- )
 142     call-recursive-dce-3 ; inline recursive
 143
 144 [ [ [ drop "WRAP" [ "REC" ] label ] [ . ] if ] ] [
 145     [ [ call-recursive-dce-3 ] [ . ] if ] optimize-quot squish
 146 ] unit-test
 147
 148 [ [ drop "WRAP" [ "REC" ] label ] ] [
 149     [ call-recursive-dce-3 ] optimize-quot squish
 150 ] unit-test
 151
 152 : call-recursive-dce-4 ( a -- b )
 153     call-recursive-dce-4 ; inline recursive
 154
 155 [ [ drop "WRAP" [ "REC" ] label ] ] [
 156     [ call-recursive-dce-4 ] optimize-quot squish
 157 ] unit-test
 158
 159 [ [ drop "WRAP" [ "REC" ] label ] ] [
 160     [ call-recursive-dce-4 drop ] optimize-quot squish
 161 ] unit-test
 162
 163 [ ] [ [ f call-recursive-dce-3 swap ] optimize-quot drop ] unit-test
 164
 165 : call-recursive-dce-5 ( -- ) call-recursive-dce-5 ; inline recursive
 166
 167 [ ] [ [ call-recursive-dce-5 swap ] optimize-quot drop ] unit-test
 168
 169 [ ] [ [ [ 0 -rot set-nth-unsafe ] curry (each-integer) ] optimize-quot drop ] unit-test
 170
 171 : call-recursive-dce-6 ( i quot: ( i -- ? ) -- i )
 172     dup call [ drop ] [ call-recursive-dce-6 ] if ; inline recursive
 173
 174 [ ] [ [ [ ] curry [ ] swap compose call-recursive-dce-6 ] optimize-quot drop ] unit-test
 175
 176 [ ] [ [ [ ] rot [ . ] curry pick [ roll 2drop call ] [ 2nip call ] if ] optimize-quot drop ] unit-test
 177
 178 [ [ drop ] ] [ [ array? drop ] optimize-quot ] unit-test
 179
 180 [ [ drop ] ] [ [ array instance? drop ] optimize-quot ] unit-test
 181
 182 [ [ drop ] ] [ [ { integer } declare f <array> drop ] optimize-quot ] unit-test
 183
 184 [ [ f <array> drop ] ] [ [ f <array> drop ] optimize-quot ] unit-test
 185
 186 : call-recursive-dce-7 ( obj -- elt ? )
 187     dup 5 = [ t ] [ dup [ call-recursive-dce-7 ] [ drop f f ] if ] if ; inline recursive
 188
 189 [ ] [ [ call-recursive-dce-7 ] optimize-quot drop ] unit-test