Inlined call call __init

CONTROL FLOW GRAPH SSA

void main()
main: scope:[main]  from __start::@1
  cnt3#15 = phi( __start::@1/cnt3#16 )
  cnt2#15 = phi( __start::@1/cnt2#16 )
  cnt#16 = phi( __start::@1/cnt#17 )
  call inccnt
  inccnt::return#0 = inccnt::return#3
  to:main::@1
main::@1: scope:[main]  from main
  cnt3#8 = phi( main/cnt3#4 )
  cnt2#8 = phi( main/cnt2#4 )
  cnt#9 = phi( main/cnt#5 )
  inccnt::return#4 = phi( main/inccnt::return#0 )
  main::$0 = inccnt::return#4
  cnt#0 = cnt#9
  cnt2#0 = cnt2#8
  cnt3#0 = cnt3#8
  SCREEN[0] = main::$0
  cnt#1 = ++ cnt#0
  call inccnt
  inccnt::return#1 = inccnt::return#3
  to:main::@2
main::@2: scope:[main]  from main::@1
  cnt3#9 = phi( main::@1/cnt3#4 )
  cnt2#9 = phi( main::@1/cnt2#4 )
  cnt#10 = phi( main::@1/cnt#5 )
  inccnt::return#5 = phi( main::@1/inccnt::return#1 )
  main::$1 = inccnt::return#5
  cnt#2 = cnt#10
  cnt2#1 = cnt2#9
  cnt3#1 = cnt3#9
  SCREEN[1] = main::$1
  SCREEN[2] = cnt2#1
  SCREEN[3] = cnt3#1
  to:main::@return
main::@return: scope:[main]  from main::@2
  cnt3#10 = phi( main::@2/cnt3#1 )
  cnt2#10 = phi( main::@2/cnt2#1 )
  cnt#11 = phi( main::@2/cnt#2 )
  cnt#3 = cnt#11
  cnt2#2 = cnt2#10
  cnt3#2 = cnt3#10
  return 
  to:@return

char inccnt()
inccnt: scope:[inccnt]  from main main::@1
  cnt3#11 = phi( main/cnt3#15, main::@1/cnt3#0 )
  cnt2#11 = phi( main/cnt2#15, main::@1/cnt2#0 )
  cnt#12 = phi( main/cnt#16, main::@1/cnt#1 )
  cnt#4 = ++ cnt#12
  cnt2#3 = ++ cnt2#11
  cnt3#3 = ++ cnt3#11
  inccnt::return#2 = cnt#4
  to:inccnt::@return
inccnt::@return: scope:[inccnt]  from inccnt
  cnt3#12 = phi( inccnt/cnt3#3 )
  cnt2#12 = phi( inccnt/cnt2#3 )
  cnt#13 = phi( inccnt/cnt#4 )
  inccnt::return#6 = phi( inccnt/inccnt::return#2 )
  inccnt::return#3 = inccnt::return#6
  cnt#5 = cnt#13
  cnt2#4 = cnt2#12
  cnt3#4 = cnt3#12
  return 
  to:@return

void __start()
__start: scope:[__start]  from
  to:__start::__init1
__start::__init1: scope:[__start]  from __start
  cnt#6 = 0
  cnt2#5 = 0
  cnt3#5 = 0
  to:__start::@1
__start::@1: scope:[__start]  from __start::__init1
  cnt3#16 = phi( __start::__init1/cnt3#5 )
  cnt2#16 = phi( __start::__init1/cnt2#5 )
  cnt#17 = phi( __start::__init1/cnt#6 )
  call main
  to:__start::@2
__start::@2: scope:[__start]  from __start::@1
  cnt3#13 = phi( __start::@1/cnt3#2 )
  cnt2#13 = phi( __start::@1/cnt2#2 )
  cnt#14 = phi( __start::@1/cnt#3 )
  cnt#7 = cnt#14
  cnt2#6 = cnt2#13
  cnt3#6 = cnt3#13
  to:__start::@return
__start::@return: scope:[__start]  from __start::@2
  cnt3#14 = phi( __start::@2/cnt3#6 )
  cnt2#14 = phi( __start::@2/cnt2#6 )
  cnt#15 = phi( __start::@2/cnt#7 )
  cnt#8 = cnt#15
  cnt2#7 = cnt2#14
  cnt3#7 = cnt3#14
  return 
  to:@return

SYMBOL TABLE SSA
__constant char SCREEN[$100] = (char *)$400
void __start()
char cnt
char cnt#0
char cnt#1
char cnt#10
char cnt#11
char cnt#12
char cnt#13
char cnt#14
char cnt#15
char cnt#16
char cnt#17
char cnt#2
char cnt#3
char cnt#4
char cnt#5
char cnt#6
char cnt#7
char cnt#8
char cnt#9
char cnt2
char cnt2#0
char cnt2#1
char cnt2#10
char cnt2#11
char cnt2#12
char cnt2#13
char cnt2#14
char cnt2#15
char cnt2#16
char cnt2#2
char cnt2#3
char cnt2#4
char cnt2#5
char cnt2#6
char cnt2#7
char cnt2#8
char cnt2#9
char cnt3
char cnt3#0
char cnt3#1
char cnt3#10
char cnt3#11
char cnt3#12
char cnt3#13
char cnt3#14
char cnt3#15
char cnt3#16
char cnt3#2
char cnt3#3
char cnt3#4
char cnt3#5
char cnt3#6
char cnt3#7
char cnt3#8
char cnt3#9
char inccnt()
char inccnt::return
char inccnt::return#0
char inccnt::return#1
char inccnt::return#2
char inccnt::return#3
char inccnt::return#4
char inccnt::return#5
char inccnt::return#6
void main()
char main::$0
char main::$1

Adding number conversion cast (unumber) 0 in SCREEN[0] = main::$0
Adding number conversion cast (unumber) 1 in SCREEN[1] = main::$1
Adding number conversion cast (unumber) 2 in SCREEN[2] = cnt2#1
Adding number conversion cast (unumber) 3 in SCREEN[3] = cnt3#1
Successful SSA optimization PassNAddNumberTypeConversions
Simplifying constant pointer cast (char *) 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 (char) 0
Finalized unsigned number type (char) 1
Finalized unsigned number type (char) 2
Finalized unsigned number type (char) 3
Successful SSA optimization PassNFinalizeNumberTypeConversions
Alias inccnt::return#0 = inccnt::return#4 
Alias cnt#0 = cnt#9 
Alias cnt2#0 = cnt2#8 
Alias cnt3#0 = cnt3#8 
Alias inccnt::return#1 = inccnt::return#5 
Alias cnt#10 = cnt#2 cnt#11 cnt#3 
Alias cnt2#1 = cnt2#9 cnt2#10 cnt2#2 
Alias cnt3#1 = cnt3#9 cnt3#10 cnt3#2 
Alias inccnt::return#2 = inccnt::return#6 inccnt::return#3 
Alias cnt#13 = cnt#4 cnt#5 
Alias cnt2#12 = cnt2#3 cnt2#4 
Alias cnt3#12 = cnt3#3 cnt3#4 
Alias cnt#17 = cnt#6 
Alias cnt2#16 = cnt2#5 
Alias cnt3#16 = cnt3#5 
Alias cnt#14 = cnt#7 cnt#15 cnt#8 
Alias cnt2#13 = cnt2#6 cnt2#14 cnt2#7 
Alias cnt3#13 = cnt3#6 cnt3#14 cnt3#7 
Successful SSA optimization Pass2AliasElimination
Identical Phi Values cnt#16 cnt#17
Identical Phi Values cnt2#15 cnt2#16
Identical Phi Values cnt3#15 cnt3#16
Identical Phi Values cnt#0 cnt#13
Identical Phi Values cnt2#0 cnt2#12
Identical Phi Values cnt3#0 cnt3#12
Identical Phi Values cnt#10 cnt#13
Identical Phi Values cnt2#1 cnt2#12
Identical Phi Values cnt3#1 cnt3#12
Identical Phi Values cnt#14 cnt#10
Identical Phi Values cnt2#13 cnt2#1
Identical Phi Values cnt3#13 cnt3#1
Successful SSA optimization Pass2IdenticalPhiElimination
Constant cnt#17 = 0
Constant cnt2#16 = 0
Constant cnt3#16 = 0
Successful SSA optimization Pass2ConstantIdentification
Simplifying expression containing zero SCREEN in [5] SCREEN[0] = main::$0
Successful SSA optimization PassNSimplifyExpressionWithZero
Removing unused procedure __start
Removing unused procedure block __start
Removing unused procedure block __start::__init1
Removing unused procedure block __start::@1
Removing unused procedure block __start::@2
Removing unused procedure block __start::@return
Successful SSA optimization PassNEliminateEmptyStart
Inlining constant with var siblings cnt#17
Inlining constant with var siblings cnt2#16
Inlining constant with var siblings cnt3#16
Constant inlined cnt2#16 = 0
Constant inlined cnt3#16 = 0
Constant inlined cnt#17 = 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
Finalized unsigned number type (unsigned int) $100
Successful SSA optimization PassNFinalizeNumberTypeConversions
Adding NOP phi() at start of main
CALL GRAPH
Calls in [main] to inccnt:1 inccnt:9 

Created 3 initial phi equivalence classes
Coalesced [6] cnt#18 = cnt#1
Coalesced [7] cnt2#17 = cnt2#12
Coalesced [8] cnt3#17 = cnt3#12
Coalesced down to 3 phi equivalence classes
Adding NOP phi() at start of main

FINAL CONTROL FLOW GRAPH

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

char inccnt()
inccnt: scope:[inccnt]  from main main::@1
  [13] cnt3#11 = phi( main/0, main::@1/cnt3#12 )
  [13] cnt2#11 = phi( main/0, main::@1/cnt2#12 )
  [13] cnt#12 = phi( main/0, main::@1/cnt#1 )
  [14] cnt#13 = ++ cnt#12
  [15] cnt2#12 = ++ cnt2#11
  [16] cnt3#12 = ++ cnt3#11
  [17] inccnt::return#2 = cnt#13
  to:inccnt::@return
inccnt::@return: scope:[inccnt]  from inccnt
  [18] return 
  to:@return


VARIABLE REGISTER WEIGHTS
char cnt
char cnt#1 // 4.0
char cnt#12 // 13.0
char cnt#13 // 2.666666666666667
char cnt2
char cnt2#11 // 6.5
char cnt2#12 // 1.1538461538461537
char cnt3
char cnt3#11 // 4.333333333333333
char cnt3#12 // 1.1538461538461537
char inccnt()
char inccnt::return
char inccnt::return#0 // 4.0
char inccnt::return#1 // 4.0
char inccnt::return#2 // 3.75
void main()
char main::$0 // 4.0
char main::$1 // 4.0

Initial phi equivalence classes
[ cnt#12 cnt#1 ]
[ cnt2#11 cnt2#12 ]
[ cnt3#11 cnt3#12 ]
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#13 to live range equivalence class [ cnt#13 ]
Added variable inccnt::return#2 to live range equivalence class [ inccnt::return#2 ]
Complete equivalence classes
[ cnt#12 cnt#1 ]
[ cnt2#11 cnt2#12 ]
[ cnt3#11 cnt3#12 ]
[ inccnt::return#0 ]
[ main::$0 ]
[ inccnt::return#1 ]
[ main::$1 ]
[ cnt#13 ]
[ inccnt::return#2 ]
Allocated zp[1]:2 [ cnt#12 cnt#1 ]
Allocated zp[1]:3 [ cnt2#11 cnt2#12 ]
Allocated zp[1]:4 [ cnt3#11 cnt3#12 ]
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 [ inccnt::return#2 ]
Allocated zp[1]:10 [ cnt#13 ]
REGISTER UPLIFT POTENTIAL REGISTERS
Potential registers zp[1]:2 [ cnt#12 cnt#1 ] : zp[1]:2 , reg byte a , reg byte x , reg byte y , 
Potential registers zp[1]:3 [ cnt2#11 cnt2#12 ] : zp[1]:3 , reg byte a , reg byte x , reg byte y , 
Potential registers zp[1]:4 [ cnt3#11 cnt3#12 ] : 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]:10 [ cnt#13 ] : zp[1]:10 , reg byte a , reg byte x , reg byte y , 
Potential registers zp[1]:9 [ inccnt::return#2 ] : zp[1]:9 , reg byte a , reg byte x , reg byte y , 

REGISTER UPLIFT SCOPES
Uplift Scope [] 17: zp[1]:2 [ cnt#12 cnt#1 ] 7.65: zp[1]:3 [ cnt2#11 cnt2#12 ] 5.49: zp[1]:4 [ cnt3#11 cnt3#12 ] 2.67: zp[1]:10 [ cnt#13 ] 
Uplift Scope [inccnt] 4: zp[1]:5 [ inccnt::return#0 ] 4: zp[1]:7 [ inccnt::return#1 ] 3.75: zp[1]:9 [ inccnt::return#2 ] 
Uplift Scope [main] 4: zp[1]:6 [ main::$0 ] 4: zp[1]:8 [ main::$1 ] 

Uplifting [] best 112 combination reg byte a [ cnt#12 cnt#1 ] reg byte y [ cnt2#11 cnt2#12 ] reg byte x [ cnt3#11 cnt3#12 ] zp[1]:10 [ cnt#13 ] 
Limited combination testing to 100 combinations of 256 possible.
Uplifting [inccnt] best 91 combination reg byte a [ inccnt::return#0 ] reg byte a [ inccnt::return#1 ] reg byte a [ inccnt::return#2 ] 
Uplifting [main] best 79 combination reg byte a [ main::$0 ] reg byte a [ main::$1 ] 
Attempting to uplift remaining variables inzp[1]:10 [ cnt#13 ]
Uplifting [] best 79 combination zp[1]:10 [ cnt#13 ] 
Allocated (was zp[1]:10) zp[1]:2 [ cnt#13 ]

ASSEMBLER BEFORE OPTIMIZATION
  // File Comments
  // Upstart
  // Commodore 64 PRG executable file
.file [name="modglobal.prg", type="prg", segments="Program"]
.segmentdef Program [segments="Basic, Code, Data"]
.segmentdef Basic [start=$0801]
.segmentdef Code [start=$80d]
.segmentdef Data [startAfter="Code"]
.segment Basic
:BasicUpstart(main)
  // Global Constants & labels
  .label SCREEN = $400
  .label cnt = 2
.segment Code
  // main
main: {
    // [1] call inccnt
    // [13] phi from main to inccnt [phi:main->inccnt]
  inccnt_from_main:
    // [13] phi cnt3#11 = 0 [phi:main->inccnt#0] -- vbuxx=vbuc1 
    ldx #0
    // [13] phi cnt2#11 = 0 [phi:main->inccnt#1] -- vbuyy=vbuc1 
    ldy #0
    // [13] phi cnt#12 = 0 [phi:main->inccnt#2] -- vbuaa=vbuc1 
    lda #0
    jsr inccnt
    // [2] inccnt::return#0 = inccnt::return#2
    jmp __b1
    // main::@1
  __b1:
    // [3] main::$0 = inccnt::return#0
    // [4] *SCREEN = main::$0 -- _deref_pbuc1=vbuaa 
    sta SCREEN
    // [5] cnt#1 = ++ cnt#13 -- vbuaa=_inc_vbuz1 
    lda.z cnt
    clc
    adc #1
    // [6] call inccnt
    // [13] phi from main::@1 to inccnt [phi:main::@1->inccnt]
  inccnt_from___b1:
    // [13] phi cnt3#11 = cnt3#12 [phi:main::@1->inccnt#0] -- register_copy 
    // [13] phi cnt2#11 = cnt2#12 [phi:main::@1->inccnt#1] -- register_copy 
    // [13] phi cnt#12 = cnt#1 [phi:main::@1->inccnt#2] -- register_copy 
    jsr inccnt
    // [7] inccnt::return#1 = inccnt::return#2
    jmp __b2
    // main::@2
  __b2:
    // [8] main::$1 = inccnt::return#1
    // [9] *(SCREEN+1) = main::$1 -- _deref_pbuc1=vbuaa 
    sta SCREEN+1
    // [10] *(SCREEN+2) = cnt2#12 -- _deref_pbuc1=vbuyy 
    sty SCREEN+2
    // [11] *(SCREEN+3) = cnt3#12 -- _deref_pbuc1=vbuxx 
    stx SCREEN+3
    jmp __breturn
    // main::@return
  __breturn:
    // [12] return 
    rts
}
  // inccnt
inccnt: {
    // [14] cnt#13 = ++ cnt#12 -- vbuz1=_inc_vbuaa 
    clc
    adc #1
    sta.z cnt
    // [15] cnt2#12 = ++ cnt2#11 -- vbuyy=_inc_vbuyy 
    iny
    // [16] cnt3#12 = ++ cnt3#11 -- vbuxx=_inc_vbuxx 
    inx
    // [17] inccnt::return#2 = cnt#13 -- vbuaa=vbuz1 
    lda.z cnt
    jmp __breturn
    // inccnt::@return
  __breturn:
    // [18] return 
    rts
}
  // File Data

ASSEMBLER OPTIMIZATIONS
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
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

FINAL SYMBOL TABLE
__constant char SCREEN[$100] = (char *) 1024
char cnt
char cnt#1 // reg byte a 4.0
char cnt#12 // reg byte a 13.0
char cnt#13 // cnt zp[1]:2 2.666666666666667
char cnt2
char cnt2#11 // reg byte y 6.5
char cnt2#12 // reg byte y 1.1538461538461537
char cnt3
char cnt3#11 // reg byte x 4.333333333333333
char cnt3#12 // reg byte x 1.1538461538461537
char inccnt()
char inccnt::return
char inccnt::return#0 // reg byte a 4.0
char inccnt::return#1 // reg byte a 4.0
char inccnt::return#2 // reg byte a 3.75
void main()
char main::$0 // reg byte a 4.0
char main::$1 // reg byte a 4.0

reg byte a [ cnt#12 cnt#1 ]
reg byte y [ cnt2#11 cnt2#12 ]
reg byte x [ cnt3#11 cnt3#12 ]
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#13 ]
reg byte a [ inccnt::return#2 ]


FINAL ASSEMBLER
Score: 64

  // File Comments
  // Upstart
  // Commodore 64 PRG executable file
.file [name="modglobal.prg", type="prg", segments="Program"]
.segmentdef Program [segments="Basic, Code, Data"]
.segmentdef Basic [start=$0801]
.segmentdef Code [start=$80d]
.segmentdef Data [startAfter="Code"]
.segment Basic
:BasicUpstart(main)
  // Global Constants & labels
  .label SCREEN = $400
  .label cnt = 2
.segment Code
  // main
main: {
    // inccnt()
    // [1] call inccnt
    // [13] phi from main to inccnt [phi:main->inccnt]
    // [13] phi cnt3#11 = 0 [phi:main->inccnt#0] -- vbuxx=vbuc1 
    ldx #0
    // [13] phi cnt2#11 = 0 [phi:main->inccnt#1] -- vbuyy=vbuc1 
    ldy #0
    // [13] phi cnt#12 = 0 [phi:main->inccnt#2] -- vbuaa=vbuc1 
    txa
    jsr inccnt
    // inccnt()
    // [2] inccnt::return#0 = inccnt::return#2
    // main::@1
    // [3] main::$0 = inccnt::return#0
    // SCREEN[0]=inccnt()
    // [4] *SCREEN = main::$0 -- _deref_pbuc1=vbuaa 
    sta SCREEN
    // cnt++;
    // [5] cnt#1 = ++ cnt#13 -- vbuaa=_inc_vbuz1 
    lda.z cnt
    clc
    adc #1
    // inccnt()
    // [6] call inccnt
    // [13] phi from main::@1 to inccnt [phi:main::@1->inccnt]
    // [13] phi cnt3#11 = cnt3#12 [phi:main::@1->inccnt#0] -- register_copy 
    // [13] phi cnt2#11 = cnt2#12 [phi:main::@1->inccnt#1] -- register_copy 
    // [13] phi cnt#12 = cnt#1 [phi:main::@1->inccnt#2] -- register_copy 
    jsr inccnt
    // inccnt()
    // [7] inccnt::return#1 = inccnt::return#2
    // main::@2
    // [8] main::$1 = inccnt::return#1
    // SCREEN[1]=inccnt()
    // [9] *(SCREEN+1) = main::$1 -- _deref_pbuc1=vbuaa 
    sta SCREEN+1
    // SCREEN[2]=cnt2
    // [10] *(SCREEN+2) = cnt2#12 -- _deref_pbuc1=vbuyy 
    sty SCREEN+2
    // SCREEN[3]=cnt3
    // [11] *(SCREEN+3) = cnt3#12 -- _deref_pbuc1=vbuxx 
    stx SCREEN+3
    // main::@return
    // }
    // [12] return 
    rts
}
  // inccnt
inccnt: {
    // ++cnt;
    // [14] cnt#13 = ++ cnt#12 -- vbuz1=_inc_vbuaa 
    clc
    adc #1
    sta.z cnt
    // ++cnt2;
    // [15] cnt2#12 = ++ cnt2#11 -- vbuyy=_inc_vbuyy 
    iny
    // ++cnt3;
    // [16] cnt3#12 = ++ cnt3#11 -- vbuxx=_inc_vbuxx 
    inx
    // return cnt;
    // [17] inccnt::return#2 = cnt#13 -- vbuaa=vbuz1 
    // inccnt::@return
    // }
    // [18] return 
    rts
}
  // File Data