void main()
main: scope:[main]  from
  [0] phi()
  to:main::@1
main::@1: scope:[main]  from main main::@3
  [1] main::x#4 = phi( main/0, main::@3/main::x#1 )
  to:main::@2
main::@2: scope:[main]  from main::@1
  [2] main::SCREEN[main::x#4] = main::x#4
  to:main::@2_1
main::@2_1: scope:[main]  from main::@2
  [3] (main::SCREEN+1*$28)[main::x#4] = main::x#4
  to:main::@2_2
main::@2_2: scope:[main]  from main::@2_1
  [4] (main::SCREEN+2*$28)[main::x#4] = main::x#4
  to:main::@2_3
main::@2_3: scope:[main]  from main::@2_2
  [5] (main::SCREEN+3*$28)[main::x#4] = main::x#4
  to:main::@2_4
main::@2_4: scope:[main]  from main::@2_3
  [6] (main::SCREEN+4*$28)[main::x#4] = main::x#4
  to:main::@2_5
main::@2_5: scope:[main]  from main::@2_4
  [7] (main::SCREEN+5*$28)[main::x#4] = main::x#4
  to:main::@2_6
main::@2_6: scope:[main]  from main::@2_5
  [8] (main::SCREEN+6*$28)[main::x#4] = main::x#4
  to:main::@2_7
main::@2_7: scope:[main]  from main::@2_6
  [9] (main::SCREEN+7*$28)[main::x#4] = main::x#4
  to:main::@2_8
main::@2_8: scope:[main]  from main::@2_7
  [10] (main::SCREEN+8*$28)[main::x#4] = main::x#4
  to:main::@2_9
main::@2_9: scope:[main]  from main::@2_8
  [11] (main::SCREEN+9*$28)[main::x#4] = main::x#4
  to:main::@2_10
main::@2_10: scope:[main]  from main::@2_9
  [12] (main::SCREEN+$a*$28)[main::x#4] = main::x#4
  to:main::@2_11
main::@2_11: scope:[main]  from main::@2_10
  [13] (main::SCREEN+$b*$28)[main::x#4] = main::x#4
  to:main::@2_12
main::@2_12: scope:[main]  from main::@2_11
  [14] (main::SCREEN+$c*$28)[main::x#4] = main::x#4
  to:main::@2_13
main::@2_13: scope:[main]  from main::@2_12
  [15] (main::SCREEN+$d*$28)[main::x#4] = main::x#4
  to:main::@2_14
main::@2_14: scope:[main]  from main::@2_13
  [16] (main::SCREEN+$e*$28)[main::x#4] = main::x#4
  to:main::@2_15
main::@2_15: scope:[main]  from main::@2_14
  [17] (main::SCREEN+$f*$28)[main::x#4] = main::x#4
  to:main::@2_16
main::@2_16: scope:[main]  from main::@2_15
  [18] (main::SCREEN+$10*$28)[main::x#4] = main::x#4
  to:main::@2_17
main::@2_17: scope:[main]  from main::@2_16
  [19] (main::SCREEN+$11*$28)[main::x#4] = main::x#4
  to:main::@2_18
main::@2_18: scope:[main]  from main::@2_17
  [20] (main::SCREEN+$12*$28)[main::x#4] = main::x#4
  to:main::@2_19
main::@2_19: scope:[main]  from main::@2_18
  [21] (main::SCREEN+$13*$28)[main::x#4] = main::x#4
  to:main::@2_20
main::@2_20: scope:[main]  from main::@2_19
  [22] (main::SCREEN+$14*$28)[main::x#4] = main::x#4
  to:main::@2_21
main::@2_21: scope:[main]  from main::@2_20
  [23] (main::SCREEN+$15*$28)[main::x#4] = main::x#4
  to:main::@2_22
main::@2_22: scope:[main]  from main::@2_21
  [24] (main::SCREEN+$16*$28)[main::x#4] = main::x#4
  to:main::@2_23
main::@2_23: scope:[main]  from main::@2_22
  [25] (main::SCREEN+$17*$28)[main::x#4] = main::x#4
  to:main::@2_24
main::@2_24: scope:[main]  from main::@2_23
  [26] (main::SCREEN+$18*$28)[main::x#4] = main::x#4
  to:main::@3
main::@3: scope:[main]  from main::@2_24
  [27] main::x#1 = ++ main::x#4
  [28] if(main::x#1!=$28) goto main::@1
  to:main::@return
main::@return: scope:[main]  from main::@3
  [29] return 
  to:@return