Culled Empty Block (label) @1
Culled Empty Block (label) inccnt::@1

CONTROL FLOW GRAPH SSA
@begin: scope:[]  from
  (byte) cnt#0 ← (byte) 0
  (byte) cnt2#0 ← (byte) 0
  (byte) cnt3#0 ← (byte) 0
  to:@2

(void()) main()
main: scope:[main]  from @2
  (byte) cnt3#13 ← phi( @2/(byte) cnt3#14 )
  (byte) cnt2#13 ← phi( @2/(byte) cnt2#14 )
  (byte) cnt#14 ← phi( @2/(byte) cnt#15 )
  call inccnt 
  (byte) inccnt::return#0 ← (byte) inccnt::return#3
  to:main::@1
main::@1: scope:[main]  from main
  (byte) cnt3#7 ← phi( main/(byte) cnt3#5 )
  (byte) cnt2#7 ← phi( main/(byte) cnt2#5 )
  (byte) cnt#8 ← phi( main/(byte) cnt#6 )
  (byte) inccnt::return#4 ← phi( main/(byte) inccnt::return#0 )
  (byte~) main::$0 ← (byte) inccnt::return#4
  (byte) cnt#1 ← (byte) cnt#8
  (byte) cnt2#1 ← (byte) cnt2#7
  (byte) cnt3#1 ← (byte) cnt3#7
  *((const byte*) SCREEN + (number) 0) ← (byte~) main::$0
  (byte) cnt#2 ← ++ (byte) cnt#1
  call inccnt 
  (byte) inccnt::return#1 ← (byte) inccnt::return#3
  to:main::@2
main::@2: scope:[main]  from main::@1
  (byte) cnt3#8 ← phi( main::@1/(byte) cnt3#5 )
  (byte) cnt2#8 ← phi( main::@1/(byte) cnt2#5 )
  (byte) cnt#9 ← phi( main::@1/(byte) cnt#6 )
  (byte) inccnt::return#5 ← phi( main::@1/(byte) inccnt::return#1 )
  (byte~) main::$1 ← (byte) inccnt::return#5
  (byte) cnt#3 ← (byte) cnt#9
  (byte) cnt2#2 ← (byte) cnt2#8
  (byte) cnt3#2 ← (byte) cnt3#8
  *((const byte*) SCREEN + (number) 1) ← (byte~) main::$1
  *((const byte*) SCREEN + (number) 2) ← (byte) cnt2#2
  *((const byte*) SCREEN + (number) 3) ← (byte) cnt3#2
  to:main::@return
main::@return: scope:[main]  from main::@2
  (byte) cnt3#9 ← phi( main::@2/(byte) cnt3#2 )
  (byte) cnt2#9 ← phi( main::@2/(byte) cnt2#2 )
  (byte) cnt#10 ← phi( main::@2/(byte) cnt#3 )
  (byte) cnt#4 ← (byte) cnt#10
  (byte) cnt2#3 ← (byte) cnt2#9
  (byte) cnt3#3 ← (byte) cnt3#9
  return 
  to:@return

(byte()) inccnt()
inccnt: scope:[inccnt]  from main main::@1
  (byte) cnt3#10 ← phi( main/(byte) cnt3#13 main::@1/(byte) cnt3#1 )
  (byte) cnt2#10 ← phi( main/(byte) cnt2#13 main::@1/(byte) cnt2#1 )
  (byte) cnt#11 ← phi( main/(byte) cnt#14 main::@1/(byte) cnt#2 )
  (byte) cnt#5 ← ++ (byte) cnt#11
  (byte) cnt2#4 ← ++ (byte) cnt2#10
  (byte) cnt3#4 ← ++ (byte) cnt3#10
  (byte) inccnt::return#2 ← (byte) cnt#5
  to:inccnt::@return
inccnt::@return: scope:[inccnt]  from inccnt
  (byte) cnt3#11 ← phi( inccnt/(byte) cnt3#4 )
  (byte) cnt2#11 ← phi( inccnt/(byte) cnt2#4 )
  (byte) cnt#12 ← phi( inccnt/(byte) cnt#5 )
  (byte) inccnt::return#6 ← phi( inccnt/(byte) inccnt::return#2 )
  (byte) inccnt::return#3 ← (byte) inccnt::return#6
  (byte) cnt#6 ← (byte) cnt#12
  (byte) cnt2#5 ← (byte) cnt2#11
  (byte) cnt3#5 ← (byte) cnt3#11
  return 
  to:@return
@2: scope:[]  from @begin
  (byte) cnt3#14 ← phi( @begin/(byte) cnt3#0 )
  (byte) cnt2#14 ← phi( @begin/(byte) cnt2#0 )
  (byte) cnt#15 ← phi( @begin/(byte) cnt#0 )
  call main 
  to:@3
@3: scope:[]  from @2
  (byte) cnt3#12 ← phi( @2/(byte) cnt3#3 )
  (byte) cnt2#12 ← phi( @2/(byte) cnt2#3 )
  (byte) cnt#13 ← phi( @2/(byte) cnt#4 )
  (byte) cnt#7 ← (byte) cnt#13
  (byte) cnt2#6 ← (byte) cnt2#12
  (byte) cnt3#6 ← (byte) cnt3#12
  to:@end
@end: scope:[]  from @3

SYMBOL TABLE SSA
(label) @2
(label) @3
(label) @begin
(label) @end
(const byte*) SCREEN[(number) $100]  = (byte*)(number) $400
(byte) cnt
(byte) cnt#0
(byte) cnt#1
(byte) cnt#10
(byte) cnt#11
(byte) cnt#12
(byte) cnt#13
(byte) cnt#14
(byte) cnt#15
(byte) cnt#2
(byte) cnt#3
(byte) cnt#4
(byte) cnt#5
(byte) cnt#6
(byte) cnt#7
(byte) cnt#8
(byte) cnt#9
(byte) cnt2
(byte) cnt2#0
(byte) cnt2#1
(byte) cnt2#10
(byte) cnt2#11
(byte) cnt2#12
(byte) cnt2#13
(byte) cnt2#14
(byte) cnt2#2
(byte) cnt2#3
(byte) cnt2#4
(byte) cnt2#5
(byte) cnt2#6
(byte) cnt2#7
(byte) cnt2#8
(byte) cnt2#9
(byte) cnt3
(byte) cnt3#0
(byte) cnt3#1
(byte) cnt3#10
(byte) cnt3#11
(byte) cnt3#12
(byte) cnt3#13
(byte) cnt3#14
(byte) cnt3#2
(byte) cnt3#3
(byte) cnt3#4
(byte) cnt3#5
(byte) cnt3#6
(byte) cnt3#7
(byte) cnt3#8
(byte) cnt3#9
(byte()) inccnt()
(label) inccnt::@return
(byte) inccnt::return
(byte) inccnt::return#0
(byte) inccnt::return#1
(byte) inccnt::return#2
(byte) inccnt::return#3
(byte) inccnt::return#4
(byte) inccnt::return#5
(byte) inccnt::return#6
(void()) main()
(byte~) main::$0
(byte~) main::$1
(label) main::@1
(label) main::@2
(label) main::@return

Adding number conversion cast (unumber) 0 in *((const byte*) SCREEN + (number) 0) ← (byte~) main::$0
Adding number conversion cast (unumber) 1 in *((const byte*) SCREEN + (number) 1) ← (byte~) main::$1
Adding number conversion cast (unumber) 2 in *((const byte*) SCREEN + (number) 2) ← (byte) cnt2#2
Adding number conversion cast (unumber) 3 in *((const byte*) SCREEN + (number) 3) ← (byte) cnt3#2
Successful SSA optimization PassNAddNumberTypeConversions
Simplifying constant pointer cast (byte*) 1024
Simplifying constant integer cast 0
Simplifying constant integer cast 1
Simplifying constant integer cast 2
Simplifying constant integer cast 3
Successful SSA optimization PassNCastSimplification
Finalized unsigned number type (byte) 0
Finalized unsigned number type (byte) 1
Finalized unsigned number type (byte) 2
Finalized unsigned number type (byte) 3
Successful SSA optimization PassNFinalizeNumberTypeConversions
Alias (byte) inccnt::return#0 = (byte) inccnt::return#4 
Alias (byte) cnt#1 = (byte) cnt#8 
Alias (byte) cnt2#1 = (byte) cnt2#7 
Alias (byte) cnt3#1 = (byte) cnt3#7 
Alias (byte) inccnt::return#1 = (byte) inccnt::return#5 
Alias (byte) cnt#10 = (byte) cnt#3 (byte) cnt#9 (byte) cnt#4 
Alias (byte) cnt2#2 = (byte) cnt2#8 (byte) cnt2#9 (byte) cnt2#3 
Alias (byte) cnt3#2 = (byte) cnt3#8 (byte) cnt3#9 (byte) cnt3#3 
Alias (byte) inccnt::return#2 = (byte) inccnt::return#6 (byte) inccnt::return#3 
Alias (byte) cnt#12 = (byte) cnt#5 (byte) cnt#6 
Alias (byte) cnt2#11 = (byte) cnt2#4 (byte) cnt2#5 
Alias (byte) cnt3#11 = (byte) cnt3#4 (byte) cnt3#5 
Alias (byte) cnt#0 = (byte) cnt#15 
Alias (byte) cnt2#0 = (byte) cnt2#14 
Alias (byte) cnt3#0 = (byte) cnt3#14 
Alias (byte) cnt#13 = (byte) cnt#7 
Alias (byte) cnt2#12 = (byte) cnt2#6 
Alias (byte) cnt3#12 = (byte) cnt3#6 
Successful SSA optimization Pass2AliasElimination
Identical Phi Values (byte) cnt#14 (byte) cnt#0
Identical Phi Values (byte) cnt2#13 (byte) cnt2#0
Identical Phi Values (byte) cnt3#13 (byte) cnt3#0
Identical Phi Values (byte) cnt#1 (byte) cnt#12
Identical Phi Values (byte) cnt2#1 (byte) cnt2#11
Identical Phi Values (byte) cnt3#1 (byte) cnt3#11
Identical Phi Values (byte) cnt#10 (byte) cnt#12
Identical Phi Values (byte) cnt2#2 (byte) cnt2#11
Identical Phi Values (byte) cnt3#2 (byte) cnt3#11
Identical Phi Values (byte) cnt#13 (byte) cnt#10
Identical Phi Values (byte) cnt2#12 (byte) cnt2#2
Identical Phi Values (byte) cnt3#12 (byte) cnt3#2
Successful SSA optimization Pass2IdenticalPhiElimination
Constant (const byte) cnt#0 = 0
Constant (const byte) cnt2#0 = 0
Constant (const byte) cnt3#0 = 0
Successful SSA optimization Pass2ConstantIdentification
Simplifying expression containing zero SCREEN in [11] *((const byte*) SCREEN + (byte) 0) ← (byte~) main::$0
Successful SSA optimization PassNSimplifyExpressionWithZero
Inlining constant with var siblings (const byte) cnt#0
Inlining constant with var siblings (const byte) cnt2#0
Inlining constant with var siblings (const byte) cnt3#0
Constant inlined cnt#0 = (byte) 0
Constant inlined cnt3#0 = (byte) 0
Constant inlined cnt2#0 = (byte) 0
Successful SSA optimization Pass2ConstantInlining
Consolidated array index constant in *(SCREEN+1)
Consolidated array index constant in *(SCREEN+2)
Consolidated array index constant in *(SCREEN+3)
Successful SSA optimization Pass2ConstantAdditionElimination
Adding NOP phi() at start of @begin
Adding NOP phi() at start of @2
Adding NOP phi() at start of @3
Adding NOP phi() at start of @end
Adding NOP phi() at start of main
CALL GRAPH
Calls in [] to main:2 
Calls in [main] to inccnt:6 inccnt:14 

Created 3 initial phi equivalence classes
Coalesced [11] cnt#16 ← cnt#2
Coalesced [12] cnt2#15 ← cnt2#11
Coalesced [13] cnt3#15 ← cnt3#11
Coalesced down to 3 phi equivalence classes
Culled Empty Block (label) @3
Renumbering block @2 to @1
Adding NOP phi() at start of @begin
Adding NOP phi() at start of @1
Adding NOP phi() at start of @end
Adding NOP phi() at start of main

FINAL CONTROL FLOW GRAPH
@begin: scope:[]  from
  [0] phi()
  to:@1
@1: scope:[]  from @begin
  [1] phi()
  [2] call main 
  to:@end
@end: scope:[]  from @1
  [3] phi()

(void()) main()
main: scope:[main]  from @1
  [4] phi()
  [5] call inccnt 
  [6] (byte) inccnt::return#0 ← (byte) inccnt::return#2
  to:main::@1
main::@1: scope:[main]  from main
  [7] (byte~) main::$0 ← (byte) inccnt::return#0
  [8] *((const byte*) SCREEN) ← (byte~) main::$0
  [9] (byte) cnt#2 ← ++ (byte) cnt#12
  [10] call inccnt 
  [11] (byte) inccnt::return#1 ← (byte) inccnt::return#2
  to:main::@2
main::@2: scope:[main]  from main::@1
  [12] (byte~) main::$1 ← (byte) inccnt::return#1
  [13] *((const byte*) SCREEN+(byte) 1) ← (byte~) main::$1
  [14] *((const byte*) SCREEN+(byte) 2) ← (byte) cnt2#11
  [15] *((const byte*) SCREEN+(byte) 3) ← (byte) cnt3#11
  to:main::@return
main::@return: scope:[main]  from main::@2
  [16] return 
  to:@return

(byte()) inccnt()
inccnt: scope:[inccnt]  from main main::@1
  [17] (byte) cnt3#10 ← phi( main/(byte) 0 main::@1/(byte) cnt3#11 )
  [17] (byte) cnt2#10 ← phi( main/(byte) 0 main::@1/(byte) cnt2#11 )
  [17] (byte) cnt#11 ← phi( main/(byte) 0 main::@1/(byte) cnt#2 )
  [18] (byte) cnt#12 ← ++ (byte) cnt#11
  [19] (byte) cnt2#11 ← ++ (byte) cnt2#10
  [20] (byte) cnt3#11 ← ++ (byte) cnt3#10
  [21] (byte) inccnt::return#2 ← (byte) cnt#12
  to:inccnt::@return
inccnt::@return: scope:[inccnt]  from inccnt
  [22] return 
  to:@return


VARIABLE REGISTER WEIGHTS
(byte) cnt
(byte) cnt#11 4.0
(byte) cnt#12 0.6666666666666666
(byte) cnt#2 4.0
(byte) cnt2
(byte) cnt2#10 2.0
(byte) cnt2#11 0.46153846153846156
(byte) cnt3
(byte) cnt3#10 1.3333333333333333
(byte) cnt3#11 0.46153846153846156
(byte()) inccnt()
(byte) inccnt::return
(byte) inccnt::return#0 4.0
(byte) inccnt::return#1 4.0
(byte) inccnt::return#2 1.5
(void()) main()
(byte~) main::$0 4.0
(byte~) main::$1 4.0

Initial phi equivalence classes
[ cnt#11 cnt#2 ]
[ cnt2#10 cnt2#11 ]
[ cnt3#10 cnt3#11 ]
Added variable inccnt::return#0 to live range equivalence class [ inccnt::return#0 ]
Added variable main::$0 to live range equivalence class [ main::$0 ]
Added variable inccnt::return#1 to live range equivalence class [ inccnt::return#1 ]
Added variable main::$1 to live range equivalence class [ main::$1 ]
Added variable cnt#12 to live range equivalence class [ cnt#12 ]
Added variable inccnt::return#2 to live range equivalence class [ inccnt::return#2 ]
Complete equivalence classes
[ cnt#11 cnt#2 ]
[ cnt2#10 cnt2#11 ]
[ cnt3#10 cnt3#11 ]
[ inccnt::return#0 ]
[ main::$0 ]
[ inccnt::return#1 ]
[ main::$1 ]
[ cnt#12 ]
[ inccnt::return#2 ]
Allocated zp[1]:2 [ cnt#11 cnt#2 ]
Allocated zp[1]:3 [ cnt2#10 cnt2#11 ]
Allocated zp[1]:4 [ cnt3#10 cnt3#11 ]
Allocated zp[1]:5 [ inccnt::return#0 ]
Allocated zp[1]:6 [ main::$0 ]
Allocated zp[1]:7 [ inccnt::return#1 ]
Allocated zp[1]:8 [ main::$1 ]
Allocated zp[1]:9 [ cnt#12 ]
Allocated zp[1]:10 [ inccnt::return#2 ]

INITIAL ASM
Target platform is c64basic / MOS6502X
  // File Comments
  // Upstart
.pc = $801 "Basic"
:BasicUpstart(__bbegin)
.pc = $80d "Program"
  // Global Constants & labels
  .label SCREEN = $400
  .label cnt = 2
  .label cnt2 = 3
  .label cnt3 = 4
  .label cnt_1 = 9
  // @begin
__bbegin:
  // [1] phi from @begin to @1 [phi:@begin->@1]
__b1_from___bbegin:
  jmp __b1
  // @1
__b1:
  // [2] call main 
  // [4] phi from @1 to main [phi:@1->main]
main_from___b1:
  jsr main
  // [3] phi from @1 to @end [phi:@1->@end]
__bend_from___b1:
  jmp __bend
  // @end
__bend:
  // main
main: {
    .label __0 = 6
    .label __1 = 8
    // [5] call inccnt 
    // [17] phi from main to inccnt [phi:main->inccnt]
  inccnt_from_main:
    // [17] phi (byte) cnt3#10 = (byte) 0 [phi:main->inccnt#0] -- vbuz1=vbuc1 
    lda #0
    sta.z cnt3
    // [17] phi (byte) cnt2#10 = (byte) 0 [phi:main->inccnt#1] -- vbuz1=vbuc1 
    lda #0
    sta.z cnt2
    // [17] phi (byte) cnt#11 = (byte) 0 [phi:main->inccnt#2] -- vbuz1=vbuc1 
    lda #0
    sta.z cnt
    jsr inccnt
    // [6] (byte) inccnt::return#0 ← (byte) inccnt::return#2 -- vbuz1=vbuz2 
    lda.z inccnt.return_2
    sta.z inccnt.return
    jmp __b1
    // main::@1
  __b1:
    // [7] (byte~) main::$0 ← (byte) inccnt::return#0 -- vbuz1=vbuz2 
    lda.z inccnt.return
    sta.z __0
    // [8] *((const byte*) SCREEN) ← (byte~) main::$0 -- _deref_pbuc1=vbuz1 
    lda.z __0
    sta SCREEN
    // [9] (byte) cnt#2 ← ++ (byte) cnt#12 -- vbuz1=_inc_vbuz2 
    ldy.z cnt_1
    iny
    sty.z cnt
    // [10] call inccnt 
    // [17] phi from main::@1 to inccnt [phi:main::@1->inccnt]
  inccnt_from___b1:
    // [17] phi (byte) cnt3#10 = (byte) cnt3#11 [phi:main::@1->inccnt#0] -- register_copy 
    // [17] phi (byte) cnt2#10 = (byte) cnt2#11 [phi:main::@1->inccnt#1] -- register_copy 
    // [17] phi (byte) cnt#11 = (byte) cnt#2 [phi:main::@1->inccnt#2] -- register_copy 
    jsr inccnt
    // [11] (byte) inccnt::return#1 ← (byte) inccnt::return#2 -- vbuz1=vbuz2 
    lda.z inccnt.return_2
    sta.z inccnt.return_1
    jmp __b2
    // main::@2
  __b2:
    // [12] (byte~) main::$1 ← (byte) inccnt::return#1 -- vbuz1=vbuz2 
    lda.z inccnt.return_1
    sta.z __1
    // [13] *((const byte*) SCREEN+(byte) 1) ← (byte~) main::$1 -- _deref_pbuc1=vbuz1 
    lda.z __1
    sta SCREEN+1
    // [14] *((const byte*) SCREEN+(byte) 2) ← (byte) cnt2#11 -- _deref_pbuc1=vbuz1 
    lda.z cnt2
    sta SCREEN+2
    // [15] *((const byte*) SCREEN+(byte) 3) ← (byte) cnt3#11 -- _deref_pbuc1=vbuz1 
    lda.z cnt3
    sta SCREEN+3
    jmp __breturn
    // main::@return
  __breturn:
    // [16] return 
    rts
}
  // inccnt
inccnt: {
    .label return = 5
    .label return_1 = 7
    .label return_2 = $a
    // [18] (byte) cnt#12 ← ++ (byte) cnt#11 -- vbuz1=_inc_vbuz2 
    ldy.z cnt
    iny
    sty.z cnt_1
    // [19] (byte) cnt2#11 ← ++ (byte) cnt2#10 -- vbuz1=_inc_vbuz1 
    inc.z cnt2
    // [20] (byte) cnt3#11 ← ++ (byte) cnt3#10 -- vbuz1=_inc_vbuz1 
    inc.z cnt3
    // [21] (byte) inccnt::return#2 ← (byte) cnt#12 -- vbuz1=vbuz2 
    lda.z cnt_1
    sta.z return_2
    jmp __breturn
    // inccnt::@return
  __breturn:
    // [22] return 
    rts
}
  // File Data

REGISTER UPLIFT POTENTIAL REGISTERS
Potential registers zp[1]:2 [ cnt#11 cnt#2 ] : zp[1]:2 , reg byte a , reg byte x , reg byte y , 
Potential registers zp[1]:3 [ cnt2#10 cnt2#11 ] : zp[1]:3 , reg byte a , reg byte x , reg byte y , 
Potential registers zp[1]:4 [ cnt3#10 cnt3#11 ] : zp[1]:4 , reg byte a , reg byte x , reg byte y , 
Potential registers zp[1]:5 [ inccnt::return#0 ] : zp[1]:5 , reg byte a , reg byte x , reg byte y , 
Potential registers zp[1]:6 [ main::$0 ] : zp[1]:6 , reg byte a , reg byte x , reg byte y , 
Potential registers zp[1]:7 [ inccnt::return#1 ] : zp[1]:7 , reg byte a , reg byte x , reg byte y , 
Potential registers zp[1]:8 [ main::$1 ] : zp[1]:8 , reg byte a , reg byte x , reg byte y , 
Potential registers zp[1]:9 [ cnt#12 ] : zp[1]:9 , reg byte a , reg byte x , reg byte y , 
Potential registers zp[1]:10 [ inccnt::return#2 ] : zp[1]:10 , reg byte a , reg byte x , reg byte y , 

REGISTER UPLIFT SCOPES
Uplift Scope [] 8: zp[1]:2 [ cnt#11 cnt#2 ] 2.46: zp[1]:3 [ cnt2#10 cnt2#11 ] 1.79: zp[1]:4 [ cnt3#10 cnt3#11 ] 0.67: zp[1]:9 [ cnt#12 ] 
Uplift Scope [inccnt] 4: zp[1]:5 [ inccnt::return#0 ] 4: zp[1]:7 [ inccnt::return#1 ] 1.5: zp[1]:10 [ inccnt::return#2 ] 
Uplift Scope [main] 4: zp[1]:6 [ main::$0 ] 4: zp[1]:8 [ main::$1 ] 

Uplifting [] best 124 combination reg byte a [ cnt#11 cnt#2 ] reg byte y [ cnt2#10 cnt2#11 ] reg byte x [ cnt3#10 cnt3#11 ] zp[1]:9 [ cnt#12 ] 
Limited combination testing to 100 combinations of 256 possible.
Uplifting [inccnt] best 103 combination reg byte a [ inccnt::return#0 ] reg byte a [ inccnt::return#1 ] reg byte a [ inccnt::return#2 ] 
Uplifting [main] best 91 combination reg byte a [ main::$0 ] reg byte a [ main::$1 ] 
Attempting to uplift remaining variables inzp[1]:9 [ cnt#12 ]
Uplifting [] best 91 combination zp[1]:9 [ cnt#12 ] 
Allocated (was zp[1]:9) zp[1]:2 [ cnt#12 ]

ASSEMBLER BEFORE OPTIMIZATION
  // File Comments
  // Upstart
.pc = $801 "Basic"
:BasicUpstart(__bbegin)
.pc = $80d "Program"
  // Global Constants & labels
  .label SCREEN = $400
  .label cnt = 2
  // @begin
__bbegin:
  // [1] phi from @begin to @1 [phi:@begin->@1]
__b1_from___bbegin:
  jmp __b1
  // @1
__b1:
  // [2] call main 
  // [4] phi from @1 to main [phi:@1->main]
main_from___b1:
  jsr main
  // [3] phi from @1 to @end [phi:@1->@end]
__bend_from___b1:
  jmp __bend
  // @end
__bend:
  // main
main: {
    // [5] call inccnt 
    // [17] phi from main to inccnt [phi:main->inccnt]
  inccnt_from_main:
    // [17] phi (byte) cnt3#10 = (byte) 0 [phi:main->inccnt#0] -- vbuxx=vbuc1 
    ldx #0
    // [17] phi (byte) cnt2#10 = (byte) 0 [phi:main->inccnt#1] -- vbuyy=vbuc1 
    ldy #0
    // [17] phi (byte) cnt#11 = (byte) 0 [phi:main->inccnt#2] -- vbuaa=vbuc1 
    lda #0
    jsr inccnt
    // [6] (byte) inccnt::return#0 ← (byte) inccnt::return#2
    jmp __b1
    // main::@1
  __b1:
    // [7] (byte~) main::$0 ← (byte) inccnt::return#0
    // [8] *((const byte*) SCREEN) ← (byte~) main::$0 -- _deref_pbuc1=vbuaa 
    sta SCREEN
    // [9] (byte) cnt#2 ← ++ (byte) cnt#12 -- vbuaa=_inc_vbuz1 
    lda.z cnt
    clc
    adc #1
    // [10] call inccnt 
    // [17] phi from main::@1 to inccnt [phi:main::@1->inccnt]
  inccnt_from___b1:
    // [17] phi (byte) cnt3#10 = (byte) cnt3#11 [phi:main::@1->inccnt#0] -- register_copy 
    // [17] phi (byte) cnt2#10 = (byte) cnt2#11 [phi:main::@1->inccnt#1] -- register_copy 
    // [17] phi (byte) cnt#11 = (byte) cnt#2 [phi:main::@1->inccnt#2] -- register_copy 
    jsr inccnt
    // [11] (byte) inccnt::return#1 ← (byte) inccnt::return#2
    jmp __b2
    // main::@2
  __b2:
    // [12] (byte~) main::$1 ← (byte) inccnt::return#1
    // [13] *((const byte*) SCREEN+(byte) 1) ← (byte~) main::$1 -- _deref_pbuc1=vbuaa 
    sta SCREEN+1
    // [14] *((const byte*) SCREEN+(byte) 2) ← (byte) cnt2#11 -- _deref_pbuc1=vbuyy 
    sty SCREEN+2
    // [15] *((const byte*) SCREEN+(byte) 3) ← (byte) cnt3#11 -- _deref_pbuc1=vbuxx 
    stx SCREEN+3
    jmp __breturn
    // main::@return
  __breturn:
    // [16] return 
    rts
}
  // inccnt
inccnt: {
    // [18] (byte) cnt#12 ← ++ (byte) cnt#11 -- vbuz1=_inc_vbuaa 
    clc
    adc #1
    sta.z cnt
    // [19] (byte) cnt2#11 ← ++ (byte) cnt2#10 -- vbuyy=_inc_vbuyy 
    iny
    // [20] (byte) cnt3#11 ← ++ (byte) cnt3#10 -- vbuxx=_inc_vbuxx 
    inx
    // [21] (byte) inccnt::return#2 ← (byte) cnt#12 -- vbuaa=vbuz1 
    lda.z cnt
    jmp __breturn
    // inccnt::@return
  __breturn:
    // [22] return 
    rts
}
  // File Data

ASSEMBLER OPTIMIZATIONS
Removing instruction jmp __b1
Removing instruction jmp __bend
Removing instruction jmp __b1
Removing instruction jmp __b2
Removing instruction jmp __breturn
Removing instruction jmp __breturn
Succesful ASM optimization Pass5NextJumpElimination
Replacing instruction lda #0 with TXA
Removing instruction lda.z cnt
Succesful ASM optimization Pass5UnnecesaryLoadElimination
Replacing label __bbegin with __b1
Removing instruction __bbegin:
Removing instruction __b1_from___bbegin:
Removing instruction main_from___b1:
Removing instruction __bend_from___b1:
Succesful ASM optimization Pass5RedundantLabelElimination
Removing instruction __bend:
Removing instruction inccnt_from_main:
Removing instruction __b1:
Removing instruction inccnt_from___b1:
Removing instruction __b2:
Removing instruction __breturn:
Removing instruction __breturn:
Succesful ASM optimization Pass5UnusedLabelElimination
Updating BasicUpstart to call main directly
Removing instruction jsr main
Succesful ASM optimization Pass5SkipBegin
Removing instruction __b1:
Succesful ASM optimization Pass5UnusedLabelElimination

FINAL SYMBOL TABLE
(label) @1
(label) @begin
(label) @end
(const byte*) SCREEN[(number) $100]  = (byte*) 1024
(byte) cnt
(byte) cnt#11 reg byte a 4.0
(byte) cnt#12 cnt zp[1]:2 0.6666666666666666
(byte) cnt#2 reg byte a 4.0
(byte) cnt2
(byte) cnt2#10 reg byte y 2.0
(byte) cnt2#11 reg byte y 0.46153846153846156
(byte) cnt3
(byte) cnt3#10 reg byte x 1.3333333333333333
(byte) cnt3#11 reg byte x 0.46153846153846156
(byte()) inccnt()
(label) inccnt::@return
(byte) inccnt::return
(byte) inccnt::return#0 reg byte a 4.0
(byte) inccnt::return#1 reg byte a 4.0
(byte) inccnt::return#2 reg byte a 1.5
(void()) main()
(byte~) main::$0 reg byte a 4.0
(byte~) main::$1 reg byte a 4.0
(label) main::@1
(label) main::@2
(label) main::@return

reg byte a [ cnt#11 cnt#2 ]
reg byte y [ cnt2#10 cnt2#11 ]
reg byte x [ cnt3#10 cnt3#11 ]
reg byte a [ inccnt::return#0 ]
reg byte a [ main::$0 ]
reg byte a [ inccnt::return#1 ]
reg byte a [ main::$1 ]
zp[1]:2 [ cnt#12 ]
reg byte a [ inccnt::return#2 ]


FINAL ASSEMBLER
Score: 64

  // File Comments
  // Upstart
.pc = $801 "Basic"
:BasicUpstart(main)
.pc = $80d "Program"
  // Global Constants & labels
  .label SCREEN = $400
  .label cnt = 2
  // @begin
  // [1] phi from @begin to @1 [phi:@begin->@1]
  // @1
  // [2] call main 
  // [4] phi from @1 to main [phi:@1->main]
  // [3] phi from @1 to @end [phi:@1->@end]
  // @end
  // main
main: {
    // inccnt()
    // [5] call inccnt 
    // [17] phi from main to inccnt [phi:main->inccnt]
    // [17] phi (byte) cnt3#10 = (byte) 0 [phi:main->inccnt#0] -- vbuxx=vbuc1 
    ldx #0
    // [17] phi (byte) cnt2#10 = (byte) 0 [phi:main->inccnt#1] -- vbuyy=vbuc1 
    ldy #0
    // [17] phi (byte) cnt#11 = (byte) 0 [phi:main->inccnt#2] -- vbuaa=vbuc1 
    txa
    jsr inccnt
    // inccnt()
    // [6] (byte) inccnt::return#0 ← (byte) inccnt::return#2
    // main::@1
    // [7] (byte~) main::$0 ← (byte) inccnt::return#0
    // SCREEN[0]=inccnt()
    // [8] *((const byte*) SCREEN) ← (byte~) main::$0 -- _deref_pbuc1=vbuaa 
    sta SCREEN
    // cnt++;
    // [9] (byte) cnt#2 ← ++ (byte) cnt#12 -- vbuaa=_inc_vbuz1 
    lda.z cnt
    clc
    adc #1
    // inccnt()
    // [10] call inccnt 
    // [17] phi from main::@1 to inccnt [phi:main::@1->inccnt]
    // [17] phi (byte) cnt3#10 = (byte) cnt3#11 [phi:main::@1->inccnt#0] -- register_copy 
    // [17] phi (byte) cnt2#10 = (byte) cnt2#11 [phi:main::@1->inccnt#1] -- register_copy 
    // [17] phi (byte) cnt#11 = (byte) cnt#2 [phi:main::@1->inccnt#2] -- register_copy 
    jsr inccnt
    // inccnt()
    // [11] (byte) inccnt::return#1 ← (byte) inccnt::return#2
    // main::@2
    // [12] (byte~) main::$1 ← (byte) inccnt::return#1
    // SCREEN[1]=inccnt()
    // [13] *((const byte*) SCREEN+(byte) 1) ← (byte~) main::$1 -- _deref_pbuc1=vbuaa 
    sta SCREEN+1
    // SCREEN[2]=cnt2
    // [14] *((const byte*) SCREEN+(byte) 2) ← (byte) cnt2#11 -- _deref_pbuc1=vbuyy 
    sty SCREEN+2
    // SCREEN[3]=cnt3
    // [15] *((const byte*) SCREEN+(byte) 3) ← (byte) cnt3#11 -- _deref_pbuc1=vbuxx 
    stx SCREEN+3
    // main::@return
    // }
    // [16] return 
    rts
}
  // inccnt
inccnt: {
    // ++cnt;
    // [18] (byte) cnt#12 ← ++ (byte) cnt#11 -- vbuz1=_inc_vbuaa 
    clc
    adc #1
    sta.z cnt
    // ++cnt2;
    // [19] (byte) cnt2#11 ← ++ (byte) cnt2#10 -- vbuyy=_inc_vbuyy 
    iny
    // ++cnt3;
    // [20] (byte) cnt3#11 ← ++ (byte) cnt3#10 -- vbuxx=_inc_vbuxx 
    inx
    // return cnt;
    // [21] (byte) inccnt::return#2 ← (byte) cnt#12 -- vbuaa=vbuz1 
    // inccnt::@return
    // }
    // [22] return 
    rts
}
  // File Data

