Fixing pointer array-indexing *((struct Person[2]) persons + (number) 0)
Fixing pointer array-indexing *((struct Person[2]) persons + (number) 1)
Rewriting struct pointer member access *((struct Person*) print_person::person).id
Rewriting struct pointer member access *((struct Person*) print_person::person).name
Rewriting struct pointer member access *((struct Person*) print_person::person).name
Warning! Adding boolean cast to non-boolean condition *(*((byte**) print_person::$1) + (byte) print_person::i)
Culled Empty Block (label) print_person::@4
Culled Empty Block (label) print_person::@5
Culled Empty Block (label) print_person::@6

CONTROL FLOW GRAPH SSA
@begin: scope:[]  from
  (struct Person[2]) persons ← { (struct Person){ (byte)(number) 4, (const string) $0 }, (struct Person){ (byte)(number) 7, (const string) $1 } }
  to:@1

(void()) main()
main: scope:[main]  from @2
  (byte) idx#18 ← phi( @2/(byte) idx#20 )
  (number~) main::$4 ← (number) 0 * (const byte) SIZEOF_STRUCT_PERSON
  (struct Person*~) main::$0 ← & *((struct Person[2]) persons + (number~) main::$4)
  (struct Person*) print_person::person#0 ← (struct Person*~) main::$0
  call print_person 
  to:main::@1
main::@1: scope:[main]  from main
  (byte) idx#10 ← phi( main/(byte) idx#8 )
  (byte) idx#0 ← (byte) idx#10
  (number~) main::$5 ← (number) 1 * (const byte) SIZEOF_STRUCT_PERSON
  (struct Person*~) main::$2 ← & *((struct Person[2]) persons + (number~) main::$5)
  (struct Person*) print_person::person#1 ← (struct Person*~) main::$2
  call print_person 
  to:main::@2
main::@2: scope:[main]  from main::@1
  (byte) idx#11 ← phi( main::@1/(byte) idx#8 )
  (byte) idx#1 ← (byte) idx#11
  to:main::@return
main::@return: scope:[main]  from main::@2
  (byte) idx#12 ← phi( main::@2/(byte) idx#1 )
  (byte) idx#2 ← (byte) idx#12
  return 
  to:@return
@1: scope:[]  from @begin
  (byte) idx#3 ← (number) 0
  to:@2

(void()) print_person((struct Person*) print_person::person)
print_person: scope:[print_person]  from main main::@1
  (byte) idx#13 ← phi( main/(byte) idx#18 main::@1/(byte) idx#0 )
  (struct Person*) print_person::person#2 ← phi( main/(struct Person*) print_person::person#0 main::@1/(struct Person*) print_person::person#1 )
  (byte*) print_person::$0 ← (byte*)(struct Person*) print_person::person#2 + (const byte) OFFSET_STRUCT_PERSON_ID
  *((const byte*) SCREEN + (byte) idx#13) ← *((const byte[]) DIGIT + *((byte*) print_person::$0))
  (byte) idx#4 ← ++ (byte) idx#13
  *((const byte*) SCREEN + (byte) idx#4) ← (byte) ' '
  (byte) idx#5 ← ++ (byte) idx#4
  (byte) print_person::i#0 ← (number) 0
  to:print_person::@1
print_person::@1: scope:[print_person]  from print_person print_person::@2
  (byte) idx#19 ← phi( print_person/(byte) idx#5 print_person::@2/(byte) idx#6 )
  (byte) print_person::i#2 ← phi( print_person/(byte) print_person::i#0 print_person::@2/(byte) print_person::i#1 )
  (struct Person*) print_person::person#3 ← phi( print_person/(struct Person*) print_person::person#2 print_person::@2/(struct Person*) print_person::person#4 )
  (byte**) print_person::$1 ← (byte**)(struct Person*) print_person::person#3 + (const byte) OFFSET_STRUCT_PERSON_NAME
  (bool~) print_person::$3 ← (number) 0 != *(*((byte**) print_person::$1) + (byte) print_person::i#2)
  if((bool~) print_person::$3) goto print_person::@2
  to:print_person::@3
print_person::@2: scope:[print_person]  from print_person::@1
  (byte) idx#14 ← phi( print_person::@1/(byte) idx#19 )
  (byte) print_person::i#3 ← phi( print_person::@1/(byte) print_person::i#2 )
  (struct Person*) print_person::person#4 ← phi( print_person::@1/(struct Person*) print_person::person#3 )
  (byte**) print_person::$2 ← (byte**)(struct Person*) print_person::person#4 + (const byte) OFFSET_STRUCT_PERSON_NAME
  *((const byte*) SCREEN + (byte) idx#14) ← *(*((byte**) print_person::$2) + (byte) print_person::i#3)
  (byte) idx#6 ← ++ (byte) idx#14
  (byte) print_person::i#1 ← ++ (byte) print_person::i#3
  to:print_person::@1
print_person::@3: scope:[print_person]  from print_person::@1
  (byte) idx#15 ← phi( print_person::@1/(byte) idx#19 )
  *((const byte*) SCREEN + (byte) idx#15) ← (byte) ' '
  (byte) idx#7 ← ++ (byte) idx#15
  to:print_person::@return
print_person::@return: scope:[print_person]  from print_person::@3
  (byte) idx#16 ← phi( print_person::@3/(byte) idx#7 )
  (byte) idx#8 ← (byte) idx#16
  return 
  to:@return
@2: scope:[]  from @1
  (byte) idx#20 ← phi( @1/(byte) idx#3 )
  call main 
  to:@3
@3: scope:[]  from @2
  (byte) idx#17 ← phi( @2/(byte) idx#2 )
  (byte) idx#9 ← (byte) idx#17
  to:@end
@end: scope:[]  from @3

SYMBOL TABLE SSA
(const string) $0 = (string) "jesper"
(const string) $1 = (string) "repsej"
(label) @1
(label) @2
(label) @3
(label) @begin
(label) @end
(const byte[]) DIGIT = (string) "0123456789"
(const byte) OFFSET_STRUCT_PERSON_ID = (byte) 0
(const byte) OFFSET_STRUCT_PERSON_NAME = (byte) 1
(byte) Person::id
(byte*) Person::name
(const byte*) SCREEN = (byte*)(number) $400
(const byte) SIZEOF_STRUCT_PERSON = (byte) 3
(byte) idx
(byte) idx#0
(byte) idx#1
(byte) idx#10
(byte) idx#11
(byte) idx#12
(byte) idx#13
(byte) idx#14
(byte) idx#15
(byte) idx#16
(byte) idx#17
(byte) idx#18
(byte) idx#19
(byte) idx#2
(byte) idx#20
(byte) idx#3
(byte) idx#4
(byte) idx#5
(byte) idx#6
(byte) idx#7
(byte) idx#8
(byte) idx#9
(void()) main()
(struct Person*~) main::$0
(struct Person*~) main::$2
(number~) main::$4
(number~) main::$5
(label) main::@1
(label) main::@2
(label) main::@return
(struct Person[2]) persons
(void()) print_person((struct Person*) print_person::person)
(byte*) print_person::$0
(byte**) print_person::$1
(byte**) print_person::$2
(bool~) print_person::$3
(label) print_person::@1
(label) print_person::@2
(label) print_person::@3
(label) print_person::@return
(byte) print_person::i
(byte) print_person::i#0
(byte) print_person::i#1
(byte) print_person::i#2
(byte) print_person::i#3
(struct Person*) print_person::person
(struct Person*) print_person::person#0
(struct Person*) print_person::person#1
(struct Person*) print_person::person#2
(struct Person*) print_person::person#3
(struct Person*) print_person::person#4

Adding number conversion cast (unumber) 0 in (number~) main::$4 ← (number) 0 * (const byte) SIZEOF_STRUCT_PERSON
Adding number conversion cast (unumber) main::$4 in (number~) main::$4 ← (unumber)(number) 0 * (const byte) SIZEOF_STRUCT_PERSON
Adding number conversion cast (unumber) 1 in (number~) main::$5 ← (number) 1 * (const byte) SIZEOF_STRUCT_PERSON
Adding number conversion cast (unumber) main::$5 in (number~) main::$5 ← (unumber)(number) 1 * (const byte) SIZEOF_STRUCT_PERSON
Adding number conversion cast (unumber) 0 in (byte) idx#3 ← (number) 0
Adding number conversion cast (unumber) 0 in (byte) print_person::i#0 ← (number) 0
Adding number conversion cast (unumber) 0 in (bool~) print_person::$3 ← (number) 0 != *(*((byte**) print_person::$1) + (byte) print_person::i#2)
Successful SSA optimization PassNAddNumberTypeConversions
Inlining cast (byte) idx#3 ← (unumber)(number) 0
Inlining cast (byte) print_person::i#0 ← (unumber)(number) 0
Successful SSA optimization Pass2InlineCast
Simplifying constant pointer cast (byte*) 1024
Simplifying constant integer cast 4
Simplifying constant integer cast 7
Simplifying constant integer cast 0
Simplifying constant integer cast 1
Simplifying constant integer cast 0
Simplifying constant integer cast 0
Simplifying constant integer cast 0
Successful SSA optimization PassNCastSimplification
Finalized unsigned number type (byte) 0
Finalized unsigned number type (byte) 1
Finalized unsigned number type (byte) 0
Finalized unsigned number type (byte) 0
Finalized unsigned number type (byte) 0
Successful SSA optimization PassNFinalizeNumberTypeConversions
Inferred type updated to byte in (unumber~) main::$4 ← (byte) 0 * (const byte) SIZEOF_STRUCT_PERSON
Inferred type updated to byte in (unumber~) main::$5 ← (byte) 1 * (const byte) SIZEOF_STRUCT_PERSON
Alias (struct Person*) print_person::person#0 = (struct Person*~) main::$0 
Alias (byte) idx#0 = (byte) idx#10 
Alias (struct Person*) print_person::person#1 = (struct Person*~) main::$2 
Alias (byte) idx#1 = (byte) idx#11 (byte) idx#12 (byte) idx#2 
Alias (struct Person*) print_person::person#3 = (struct Person*) print_person::person#4 
Alias (byte) print_person::i#2 = (byte) print_person::i#3 
Alias (byte) idx#14 = (byte) idx#19 (byte) idx#15 
Alias (byte) idx#16 = (byte) idx#7 (byte) idx#8 
Alias (byte) idx#20 = (byte) idx#3 
Alias (byte) idx#17 = (byte) idx#9 
Successful SSA optimization Pass2AliasElimination
Identical Phi Values (byte) idx#18 (byte) idx#20
Identical Phi Values (byte) idx#0 (byte) idx#16
Identical Phi Values (byte) idx#1 (byte) idx#16
Identical Phi Values (struct Person*) print_person::person#3 (struct Person*) print_person::person#2
Identical Phi Values (byte) idx#17 (byte) idx#1
Successful SSA optimization Pass2IdenticalPhiElimination
Simple Condition (bool~) print_person::$3 [28] if((byte) 0!=*(*((byte**) print_person::$1) + (byte) print_person::i#2)) goto print_person::@2
Successful SSA optimization Pass2ConditionalJumpSimplification
Rewriting array member address-of to pointer addition [3] (struct Person*) print_person::person#0 ← (struct Person[2]) persons + (byte~) main::$4
Rewriting array member address-of to pointer addition [9] (struct Person*) print_person::person#1 ← (struct Person[2]) persons + (byte~) main::$5
Successful SSA optimization PassNArrayElementAddressOfRewriting
Constant right-side identified [2] (byte~) main::$4 ← (byte) 0 * (const byte) SIZEOF_STRUCT_PERSON
Constant right-side identified [8] (byte~) main::$5 ← (byte) 1 * (const byte) SIZEOF_STRUCT_PERSON
Successful SSA optimization Pass2ConstantRValueConsolidation
Identified constant from value list (struct Person) { id: (byte) 4, name: (const string) $0 }
Identified constant from value list (struct Person) { id: (byte) 7, name: (const string) $1 }
Successful SSA optimization Pass2ConstantInitializerValueLists
Identified constant from value list (struct Person[2]) { { id: (byte) 4, name: (const string) $0 }, { id: (byte) 7, name: (const string) $1 } }
Successful SSA optimization Pass2ConstantInitializerValueLists
Constant (const struct Person[2]) persons = { { id: 4, name: $0 }, { id: 7, name: $1 } }
Constant (const byte) main::$4 = 0*SIZEOF_STRUCT_PERSON
Constant (const byte) main::$5 = 1*SIZEOF_STRUCT_PERSON
Constant (const byte) idx#20 = 0
Constant (const byte) print_person::i#0 = 0
Successful SSA optimization Pass2ConstantIdentification
Converting *(pointer+n) to pointer[n] [20] *((const byte*) SCREEN + (byte) idx#13) ← *((const byte[]) DIGIT + *((byte*) print_person::$0))  -- *((byte*)print_person::person#2 + OFFSET_STRUCT_PERSON_ID)
Converting *(pointer+n) to pointer[n] [28] if((byte) 0!=*(*((byte**) print_person::$1) + (byte) print_person::i#2)) goto print_person::@2  -- *((byte**)print_person::person#2 + OFFSET_STRUCT_PERSON_NAME)
Converting *(pointer+n) to pointer[n] [31] *((const byte*) SCREEN + (byte) idx#14) ← *(*((byte**) print_person::$2) + (byte) print_person::i#2)  -- *((byte**)print_person::person#2 + OFFSET_STRUCT_PERSON_NAME)
Successful SSA optimization Pass2InlineDerefIdx
Simplifying constant evaluating to zero (byte) 0*(const byte) SIZEOF_STRUCT_PERSON in 
Successful SSA optimization PassNSimplifyConstantZero
Simplifying expression containing zero persons in [3] (struct Person*) print_person::person#0 ← (const struct Person[2]) persons + (const byte) main::$4
Simplifying expression containing zero (byte*)print_person::person#2 in [19] (byte*) print_person::$0 ← (byte*)(struct Person*) print_person::person#2 + (const byte) OFFSET_STRUCT_PERSON_ID
Simplifying expression containing zero (byte*)print_person::person#2 in [20] *((const byte*) SCREEN + (byte) idx#13) ← *((const byte[]) DIGIT + *((byte*)(struct Person*) print_person::person#2 + (const byte) OFFSET_STRUCT_PERSON_ID))
Successful SSA optimization PassNSimplifyExpressionWithZero
Eliminating unused variable (byte*) print_person::$0 and assignment [6] (byte*) print_person::$0 ← (byte*)(struct Person*) print_person::person#2
Eliminating unused variable (byte**) print_person::$1 and assignment [12] (byte**) print_person::$1 ← (byte**)(struct Person*) print_person::person#2 + (const byte) OFFSET_STRUCT_PERSON_NAME
Eliminating unused variable (byte**) print_person::$2 and assignment [14] (byte**) print_person::$2 ← (byte**)(struct Person*) print_person::person#2 + (const byte) OFFSET_STRUCT_PERSON_NAME
Eliminating unused constant (const byte) main::$4
Eliminating unused constant (const byte) OFFSET_STRUCT_PERSON_ID
Successful SSA optimization PassNEliminateUnusedVars
Constant right-side identified [2] (struct Person*) print_person::person#1 ← (const struct Person[2]) persons + (const byte) main::$5
Successful SSA optimization Pass2ConstantRValueConsolidation
Constant (const struct Person*) print_person::person#0 = persons
Constant (const struct Person*) print_person::person#1 = persons+main::$5
Successful SSA optimization Pass2ConstantIdentification
Inlining constant with var siblings (const byte) print_person::i#0
Inlining constant with var siblings (const struct Person*) print_person::person#0
Inlining constant with var siblings (const struct Person*) print_person::person#1
Inlining constant with var siblings (const byte) idx#20
Constant inlined main::$5 = (byte) 1*(const byte) SIZEOF_STRUCT_PERSON
Constant inlined idx#20 = (byte) 0
Constant inlined print_person::person#0 = (const struct Person[2]) persons
Constant inlined print_person::i#0 = (byte) 0
Constant inlined print_person::person#1 = (const struct Person[2]) persons+(byte) 1*(const byte) SIZEOF_STRUCT_PERSON
Successful SSA optimization Pass2ConstantInlining
Adding NOP phi() at start of @begin
Adding NOP phi() at start of @1
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
Adding NOP phi() at start of main::@2
CALL GRAPH
Calls in [] to main:3 
Calls in [main] to print_person:7 print_person:9 

Created 4 initial phi equivalence classes
Coalesced [8] idx#21 ← idx#16
Coalesced [17] idx#22 ← idx#5
Coalesced [26] print_person::i#4 ← print_person::i#1
Coalesced [27] idx#23 ← idx#6
Coalesced down to 4 phi equivalence classes
Culled Empty Block (label) @1
Culled Empty Block (label) @3
Culled Empty Block (label) main::@2
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
Adding NOP phi() at start of main::@1

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 print_person 
  to:main::@1
main::@1: scope:[main]  from main
  [6] phi()
  [7] call print_person 
  to:main::@return
main::@return: scope:[main]  from main::@1
  [8] return 
  to:@return

(void()) print_person((struct Person*) print_person::person)
print_person: scope:[print_person]  from main main::@1
  [9] (byte) idx#13 ← phi( main/(byte) 0 main::@1/(byte) idx#16 )
  [9] (struct Person*) print_person::person#2 ← phi( main/(const struct Person[2]) persons main::@1/(const struct Person[2]) persons+(byte) 1*(const byte) SIZEOF_STRUCT_PERSON )
  [10] *((const byte*) SCREEN + (byte) idx#13) ← *((const byte[]) DIGIT + *((byte*)(struct Person*) print_person::person#2))
  [11] (byte) idx#4 ← ++ (byte) idx#13
  [12] *((const byte*) SCREEN + (byte) idx#4) ← (byte) ' '
  [13] (byte) idx#5 ← ++ (byte) idx#4
  to:print_person::@1
print_person::@1: scope:[print_person]  from print_person print_person::@2
  [14] (byte) idx#14 ← phi( print_person/(byte) idx#5 print_person::@2/(byte) idx#6 )
  [14] (byte) print_person::i#2 ← phi( print_person/(byte) 0 print_person::@2/(byte) print_person::i#1 )
  [15] if((byte) 0!=*(*((byte**)(struct Person*) print_person::person#2 + (const byte) OFFSET_STRUCT_PERSON_NAME) + (byte) print_person::i#2)) goto print_person::@2
  to:print_person::@3
print_person::@3: scope:[print_person]  from print_person::@1
  [16] *((const byte*) SCREEN + (byte) idx#14) ← (byte) ' '
  [17] (byte) idx#16 ← ++ (byte) idx#14
  to:print_person::@return
print_person::@return: scope:[print_person]  from print_person::@3
  [18] return 
  to:@return
print_person::@2: scope:[print_person]  from print_person::@1
  [19] *((const byte*) SCREEN + (byte) idx#14) ← *(*((byte**)(struct Person*) print_person::person#2 + (const byte) OFFSET_STRUCT_PERSON_NAME) + (byte) print_person::i#2)
  [20] (byte) idx#6 ← ++ (byte) idx#14
  [21] (byte) print_person::i#1 ← ++ (byte) print_person::i#2
  to:print_person::@1


VARIABLE REGISTER WEIGHTS
(byte) Person::id
(byte*) Person::name
(byte) idx
(byte) idx#13 3.0
(byte) idx#14 9.75
(byte) idx#16 1.0
(byte) idx#4 3.0
(byte) idx#5 4.0
(byte) idx#6 11.0
(void()) main()
(void()) print_person((struct Person*) print_person::person)
(byte) print_person::i
(byte) print_person::i#1 22.0
(byte) print_person::i#2 11.0
(struct Person*) print_person::person
(struct Person*) print_person::person#2

Initial phi equivalence classes
[ print_person::person#2 ]
[ idx#13 idx#16 ]
[ print_person::i#2 print_person::i#1 ]
[ idx#14 idx#5 idx#6 ]
Added variable idx#4 to zero page equivalence class [ idx#4 ]
Complete equivalence classes
[ print_person::person#2 ]
[ idx#13 idx#16 ]
[ print_person::i#2 print_person::i#1 ]
[ idx#14 idx#5 idx#6 ]
[ idx#4 ]
Allocated zp[2]:2 [ print_person::person#2 ]
Allocated zp[1]:4 [ idx#13 idx#16 ]
Allocated zp[1]:5 [ print_person::i#2 print_person::i#1 ]
Allocated zp[1]:6 [ idx#14 idx#5 idx#6 ]
Allocated zp[1]:7 [ idx#4 ]

INITIAL ASM
Target platform is c64basic / MOS6502X
  // File Comments
// Example of a struct containing a pointer
  // Upstart
.pc = $801 "Basic"
:BasicUpstart(__bbegin)
.pc = $80d "Program"
  // Global Constants & labels
  .label SCREEN = $400
  .const SIZEOF_STRUCT_PERSON = 3
  .const OFFSET_STRUCT_PERSON_NAME = 1
  .label idx = 7
  .label idx_1 = 6
  .label idx_2 = 4
  // @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 print_person 
    // [9] phi from main to print_person [phi:main->print_person]
  print_person_from_main:
    // [9] phi (byte) idx#13 = (byte) 0 [phi:main->print_person#0] -- vbuz1=vbuc1 
    lda #0
    sta.z idx_2
    // [9] phi (struct Person*) print_person::person#2 = (const struct Person[2]) persons [phi:main->print_person#1] -- pssz1=pssc1 
    lda #<persons
    sta.z print_person.person
    lda #>persons
    sta.z print_person.person+1
    jsr print_person
    // [6] phi from main to main::@1 [phi:main->main::@1]
  __b1_from_main:
    jmp __b1
    // main::@1
  __b1:
    // [7] call print_person 
    // [9] phi from main::@1 to print_person [phi:main::@1->print_person]
  print_person_from___b1:
    // [9] phi (byte) idx#13 = (byte) idx#16 [phi:main::@1->print_person#0] -- register_copy 
    // [9] phi (struct Person*) print_person::person#2 = (const struct Person[2]) persons+(byte) 1*(const byte) SIZEOF_STRUCT_PERSON [phi:main::@1->print_person#1] -- pssz1=pssc1 
    lda #<persons+1*SIZEOF_STRUCT_PERSON
    sta.z print_person.person
    lda #>persons+1*SIZEOF_STRUCT_PERSON
    sta.z print_person.person+1
    jsr print_person
    jmp __breturn
    // main::@return
  __breturn:
    // [8] return 
    rts
}
  // print_person
// print_person(struct Person* zeropage(2) person)
print_person: {
    .label i = 5
    .label person = 2
    // [10] *((const byte*) SCREEN + (byte) idx#13) ← *((const byte[]) DIGIT + *((byte*)(struct Person*) print_person::person#2)) -- pbuc1_derefidx_vbuz1=pbuc2_derefidx_(_deref_pbuz2) 
    ldx.z idx_2
    ldy #0
    lda (person),y
    tay
    lda DIGIT,y
    sta SCREEN,x
    // [11] (byte) idx#4 ← ++ (byte) idx#13 -- vbuz1=_inc_vbuz2 
    ldy.z idx_2
    iny
    sty.z idx
    // [12] *((const byte*) SCREEN + (byte) idx#4) ← (byte) ' ' -- pbuc1_derefidx_vbuz1=vbuc2 
    lda #' '
    ldy.z idx
    sta SCREEN,y
    // [13] (byte) idx#5 ← ++ (byte) idx#4 -- vbuz1=_inc_vbuz2 
    ldy.z idx
    iny
    sty.z idx_1
    // [14] phi from print_person to print_person::@1 [phi:print_person->print_person::@1]
  __b1_from_print_person:
    // [14] phi (byte) idx#14 = (byte) idx#5 [phi:print_person->print_person::@1#0] -- register_copy 
    // [14] phi (byte) print_person::i#2 = (byte) 0 [phi:print_person->print_person::@1#1] -- vbuz1=vbuc1 
    lda #0
    sta.z i
    jmp __b1
    // print_person::@1
  __b1:
    // [15] if((byte) 0!=*(*((byte**)(struct Person*) print_person::person#2 + (const byte) OFFSET_STRUCT_PERSON_NAME) + (byte) print_person::i#2)) goto print_person::@2 -- vbuc1_neq_(pptz1_derefidx_vbuc2)_derefidx_vbuz2_then_la1 
    ldy #OFFSET_STRUCT_PERSON_NAME
    lda (person),y
    sta.z $fe
    iny
    lda (person),y
    sta.z $ff
    ldy.z i
    lda ($fe),y
    cmp #0
    bne __b2
    jmp __b3
    // print_person::@3
  __b3:
    // [16] *((const byte*) SCREEN + (byte) idx#14) ← (byte) ' ' -- pbuc1_derefidx_vbuz1=vbuc2 
    lda #' '
    ldy.z idx_1
    sta SCREEN,y
    // [17] (byte) idx#16 ← ++ (byte) idx#14 -- vbuz1=_inc_vbuz2 
    ldy.z idx_1
    iny
    sty.z idx_2
    jmp __breturn
    // print_person::@return
  __breturn:
    // [18] return 
    rts
    // print_person::@2
  __b2:
    // [19] *((const byte*) SCREEN + (byte) idx#14) ← *(*((byte**)(struct Person*) print_person::person#2 + (const byte) OFFSET_STRUCT_PERSON_NAME) + (byte) print_person::i#2) -- pbuc1_derefidx_vbuz1=(pptz2_derefidx_vbuc2)_derefidx_vbuz3 
    ldx.z idx_1
    ldy #OFFSET_STRUCT_PERSON_NAME
    lda (person),y
    sta.z $fe
    iny
    lda (person),y
    sta.z $ff
    ldy.z i
    lda ($fe),y
    sta SCREEN,x
    // [20] (byte) idx#6 ← ++ (byte) idx#14 -- vbuz1=_inc_vbuz1 
    inc.z idx_1
    // [21] (byte) print_person::i#1 ← ++ (byte) print_person::i#2 -- vbuz1=_inc_vbuz1 
    inc.z i
    // [14] phi from print_person::@2 to print_person::@1 [phi:print_person::@2->print_person::@1]
  __b1_from___b2:
    // [14] phi (byte) idx#14 = (byte) idx#6 [phi:print_person::@2->print_person::@1#0] -- register_copy 
    // [14] phi (byte) print_person::i#2 = (byte) print_person::i#1 [phi:print_person::@2->print_person::@1#1] -- register_copy 
    jmp __b1
}
  // File Data
  DIGIT: .text "0123456789"
  .byte 0
  __0: .text "jesper"
  .byte 0
  __1: .text "repsej"
  .byte 0
  persons: .byte 4
  .word __0
  .byte 7
  .word __1

REGISTER UPLIFT POTENTIAL REGISTERS
Statement [10] *((const byte*) SCREEN + (byte) idx#13) ← *((const byte[]) DIGIT + *((byte*)(struct Person*) print_person::person#2)) [ print_person::person#2 idx#13 ] ( main:2::print_person:5 [ print_person::person#2 idx#13 ] main:2::print_person:7 [ print_person::person#2 idx#13 ] ) always clobbers reg byte a reg byte y 
Removing always clobbered register reg byte a as potential for zp[1]:4 [ idx#13 idx#16 ]
Removing always clobbered register reg byte y as potential for zp[1]:4 [ idx#13 idx#16 ]
Statement [12] *((const byte*) SCREEN + (byte) idx#4) ← (byte) ' ' [ print_person::person#2 idx#4 ] ( main:2::print_person:5 [ print_person::person#2 idx#4 ] main:2::print_person:7 [ print_person::person#2 idx#4 ] ) always clobbers reg byte a 
Removing always clobbered register reg byte a as potential for zp[1]:7 [ idx#4 ]
Statement [15] if((byte) 0!=*(*((byte**)(struct Person*) print_person::person#2 + (const byte) OFFSET_STRUCT_PERSON_NAME) + (byte) print_person::i#2)) goto print_person::@2 [ print_person::person#2 print_person::i#2 idx#14 ] ( main:2::print_person:5 [ print_person::person#2 print_person::i#2 idx#14 ] main:2::print_person:7 [ print_person::person#2 print_person::i#2 idx#14 ] ) always clobbers reg byte a reg byte y 
Removing always clobbered register reg byte a as potential for zp[1]:5 [ print_person::i#2 print_person::i#1 ]
Removing always clobbered register reg byte y as potential for zp[1]:5 [ print_person::i#2 print_person::i#1 ]
Removing always clobbered register reg byte a as potential for zp[1]:6 [ idx#14 idx#5 idx#6 ]
Removing always clobbered register reg byte y as potential for zp[1]:6 [ idx#14 idx#5 idx#6 ]
Statement [16] *((const byte*) SCREEN + (byte) idx#14) ← (byte) ' ' [ idx#14 ] ( main:2::print_person:5 [ idx#14 ] main:2::print_person:7 [ idx#14 ] ) always clobbers reg byte a 
Statement [19] *((const byte*) SCREEN + (byte) idx#14) ← *(*((byte**)(struct Person*) print_person::person#2 + (const byte) OFFSET_STRUCT_PERSON_NAME) + (byte) print_person::i#2) [ print_person::person#2 print_person::i#2 idx#14 ] ( main:2::print_person:5 [ print_person::person#2 print_person::i#2 idx#14 ] main:2::print_person:7 [ print_person::person#2 print_person::i#2 idx#14 ] ) always clobbers reg byte a reg byte y 
Statement [10] *((const byte*) SCREEN + (byte) idx#13) ← *((const byte[]) DIGIT + *((byte*)(struct Person*) print_person::person#2)) [ print_person::person#2 idx#13 ] ( main:2::print_person:5 [ print_person::person#2 idx#13 ] main:2::print_person:7 [ print_person::person#2 idx#13 ] ) always clobbers reg byte a reg byte y 
Statement [12] *((const byte*) SCREEN + (byte) idx#4) ← (byte) ' ' [ print_person::person#2 idx#4 ] ( main:2::print_person:5 [ print_person::person#2 idx#4 ] main:2::print_person:7 [ print_person::person#2 idx#4 ] ) always clobbers reg byte a 
Statement [15] if((byte) 0!=*(*((byte**)(struct Person*) print_person::person#2 + (const byte) OFFSET_STRUCT_PERSON_NAME) + (byte) print_person::i#2)) goto print_person::@2 [ print_person::person#2 print_person::i#2 idx#14 ] ( main:2::print_person:5 [ print_person::person#2 print_person::i#2 idx#14 ] main:2::print_person:7 [ print_person::person#2 print_person::i#2 idx#14 ] ) always clobbers reg byte a reg byte y 
Statement [16] *((const byte*) SCREEN + (byte) idx#14) ← (byte) ' ' [ idx#14 ] ( main:2::print_person:5 [ idx#14 ] main:2::print_person:7 [ idx#14 ] ) always clobbers reg byte a 
Statement [19] *((const byte*) SCREEN + (byte) idx#14) ← *(*((byte**)(struct Person*) print_person::person#2 + (const byte) OFFSET_STRUCT_PERSON_NAME) + (byte) print_person::i#2) [ print_person::person#2 print_person::i#2 idx#14 ] ( main:2::print_person:5 [ print_person::person#2 print_person::i#2 idx#14 ] main:2::print_person:7 [ print_person::person#2 print_person::i#2 idx#14 ] ) always clobbers reg byte a reg byte y 
Potential registers zp[2]:2 [ print_person::person#2 ] : zp[2]:2 , 
Potential registers zp[1]:4 [ idx#13 idx#16 ] : zp[1]:4 , reg byte x , 
Potential registers zp[1]:5 [ print_person::i#2 print_person::i#1 ] : zp[1]:5 , reg byte x , 
Potential registers zp[1]:6 [ idx#14 idx#5 idx#6 ] : zp[1]:6 , reg byte x , 
Potential registers zp[1]:7 [ idx#4 ] : zp[1]:7 , reg byte x , reg byte y , 

REGISTER UPLIFT SCOPES
Uplift Scope [print_person] 33: zp[1]:5 [ print_person::i#2 print_person::i#1 ] 0: zp[2]:2 [ print_person::person#2 ] 
Uplift Scope [] 24.75: zp[1]:6 [ idx#14 idx#5 idx#6 ] 4: zp[1]:4 [ idx#13 idx#16 ] 3: zp[1]:7 [ idx#4 ] 
Uplift Scope [Person] 
Uplift Scope [main] 

Uplifting [print_person] best 1091 combination zp[1]:5 [ print_person::i#2 print_person::i#1 ] zp[2]:2 [ print_person::person#2 ] 
Uplifting [] best 1001 combination reg byte x [ idx#14 idx#5 idx#6 ] reg byte x [ idx#13 idx#16 ] reg byte x [ idx#4 ] 
Uplifting [Person] best 1001 combination 
Uplifting [main] best 1001 combination 
Attempting to uplift remaining variables inzp[1]:5 [ print_person::i#2 print_person::i#1 ]
Uplifting [print_person] best 1001 combination zp[1]:5 [ print_person::i#2 print_person::i#1 ] 
Allocated (was zp[1]:5) zp[1]:4 [ print_person::i#2 print_person::i#1 ]

ASSEMBLER BEFORE OPTIMIZATION
  // File Comments
// Example of a struct containing a pointer
  // Upstart
.pc = $801 "Basic"
:BasicUpstart(__bbegin)
.pc = $80d "Program"
  // Global Constants & labels
  .label SCREEN = $400
  .const SIZEOF_STRUCT_PERSON = 3
  .const OFFSET_STRUCT_PERSON_NAME = 1
  // @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 print_person 
    // [9] phi from main to print_person [phi:main->print_person]
  print_person_from_main:
    // [9] phi (byte) idx#13 = (byte) 0 [phi:main->print_person#0] -- vbuxx=vbuc1 
    ldx #0
    // [9] phi (struct Person*) print_person::person#2 = (const struct Person[2]) persons [phi:main->print_person#1] -- pssz1=pssc1 
    lda #<persons
    sta.z print_person.person
    lda #>persons
    sta.z print_person.person+1
    jsr print_person
    // [6] phi from main to main::@1 [phi:main->main::@1]
  __b1_from_main:
    jmp __b1
    // main::@1
  __b1:
    // [7] call print_person 
    // [9] phi from main::@1 to print_person [phi:main::@1->print_person]
  print_person_from___b1:
    // [9] phi (byte) idx#13 = (byte) idx#16 [phi:main::@1->print_person#0] -- register_copy 
    // [9] phi (struct Person*) print_person::person#2 = (const struct Person[2]) persons+(byte) 1*(const byte) SIZEOF_STRUCT_PERSON [phi:main::@1->print_person#1] -- pssz1=pssc1 
    lda #<persons+1*SIZEOF_STRUCT_PERSON
    sta.z print_person.person
    lda #>persons+1*SIZEOF_STRUCT_PERSON
    sta.z print_person.person+1
    jsr print_person
    jmp __breturn
    // main::@return
  __breturn:
    // [8] return 
    rts
}
  // print_person
// print_person(struct Person* zeropage(2) person)
print_person: {
    .label i = 4
    .label person = 2
    // [10] *((const byte*) SCREEN + (byte) idx#13) ← *((const byte[]) DIGIT + *((byte*)(struct Person*) print_person::person#2)) -- pbuc1_derefidx_vbuxx=pbuc2_derefidx_(_deref_pbuz1) 
    ldy #0
    lda (person),y
    tay
    lda DIGIT,y
    sta SCREEN,x
    // [11] (byte) idx#4 ← ++ (byte) idx#13 -- vbuxx=_inc_vbuxx 
    inx
    // [12] *((const byte*) SCREEN + (byte) idx#4) ← (byte) ' ' -- pbuc1_derefidx_vbuxx=vbuc2 
    lda #' '
    sta SCREEN,x
    // [13] (byte) idx#5 ← ++ (byte) idx#4 -- vbuxx=_inc_vbuxx 
    inx
    // [14] phi from print_person to print_person::@1 [phi:print_person->print_person::@1]
  __b1_from_print_person:
    // [14] phi (byte) idx#14 = (byte) idx#5 [phi:print_person->print_person::@1#0] -- register_copy 
    // [14] phi (byte) print_person::i#2 = (byte) 0 [phi:print_person->print_person::@1#1] -- vbuz1=vbuc1 
    lda #0
    sta.z i
    jmp __b1
    // print_person::@1
  __b1:
    // [15] if((byte) 0!=*(*((byte**)(struct Person*) print_person::person#2 + (const byte) OFFSET_STRUCT_PERSON_NAME) + (byte) print_person::i#2)) goto print_person::@2 -- vbuc1_neq_(pptz1_derefidx_vbuc2)_derefidx_vbuz2_then_la1 
    ldy #OFFSET_STRUCT_PERSON_NAME
    lda (person),y
    sta.z $fe
    iny
    lda (person),y
    sta.z $ff
    ldy.z i
    lda ($fe),y
    cmp #0
    bne __b2
    jmp __b3
    // print_person::@3
  __b3:
    // [16] *((const byte*) SCREEN + (byte) idx#14) ← (byte) ' ' -- pbuc1_derefidx_vbuxx=vbuc2 
    lda #' '
    sta SCREEN,x
    // [17] (byte) idx#16 ← ++ (byte) idx#14 -- vbuxx=_inc_vbuxx 
    inx
    jmp __breturn
    // print_person::@return
  __breturn:
    // [18] return 
    rts
    // print_person::@2
  __b2:
    // [19] *((const byte*) SCREEN + (byte) idx#14) ← *(*((byte**)(struct Person*) print_person::person#2 + (const byte) OFFSET_STRUCT_PERSON_NAME) + (byte) print_person::i#2) -- pbuc1_derefidx_vbuxx=(pptz1_derefidx_vbuc2)_derefidx_vbuz2 
    ldy #OFFSET_STRUCT_PERSON_NAME
    lda (person),y
    sta.z $fe
    iny
    lda (person),y
    sta.z $ff
    ldy.z i
    lda ($fe),y
    sta SCREEN,x
    // [20] (byte) idx#6 ← ++ (byte) idx#14 -- vbuxx=_inc_vbuxx 
    inx
    // [21] (byte) print_person::i#1 ← ++ (byte) print_person::i#2 -- vbuz1=_inc_vbuz1 
    inc.z i
    // [14] phi from print_person::@2 to print_person::@1 [phi:print_person::@2->print_person::@1]
  __b1_from___b2:
    // [14] phi (byte) idx#14 = (byte) idx#6 [phi:print_person::@2->print_person::@1#0] -- register_copy 
    // [14] phi (byte) print_person::i#2 = (byte) print_person::i#1 [phi:print_person::@2->print_person::@1#1] -- register_copy 
    jmp __b1
}
  // File Data
  DIGIT: .text "0123456789"
  .byte 0
  __0: .text "jesper"
  .byte 0
  __1: .text "repsej"
  .byte 0
  persons: .byte 4
  .word __0
  .byte 7
  .word __1

ASSEMBLER OPTIMIZATIONS
Removing instruction jmp __b1
Removing instruction jmp __bend
Removing instruction jmp __b1
Removing instruction jmp __breturn
Removing instruction jmp __b1
Removing instruction jmp __b3
Removing instruction jmp __breturn
Succesful ASM optimization Pass5NextJumpElimination
Replacing label __bbegin with __b1
Removing instruction __bbegin:
Removing instruction __b1_from___bbegin:
Removing instruction main_from___b1:
Removing instruction __bend_from___b1:
Removing instruction __b1_from_main:
Removing instruction print_person_from___b1:
Succesful ASM optimization Pass5RedundantLabelElimination
Removing instruction __bend:
Removing instruction print_person_from_main:
Removing instruction __b1:
Removing instruction __breturn:
Removing instruction __b1_from_print_person:
Removing instruction __b3:
Removing instruction __breturn:
Removing instruction __b1_from___b2:
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
(const string) $0 = (string) "jesper"
(const string) $1 = (string) "repsej"
(label) @1
(label) @begin
(label) @end
(const byte[]) DIGIT = (string) "0123456789"
(const byte) OFFSET_STRUCT_PERSON_NAME = (byte) 1
(byte) Person::id
(byte*) Person::name
(const byte*) SCREEN = (byte*) 1024
(const byte) SIZEOF_STRUCT_PERSON = (byte) 3
(byte) idx
(byte) idx#13 reg byte x 3.0
(byte) idx#14 reg byte x 9.75
(byte) idx#16 reg byte x 1.0
(byte) idx#4 reg byte x 3.0
(byte) idx#5 reg byte x 4.0
(byte) idx#6 reg byte x 11.0
(void()) main()
(label) main::@1
(label) main::@return
(const struct Person[2]) persons = { { id: (byte) 4, name: (const string) $0 }, { id: (byte) 7, name: (const string) $1 } }
(void()) print_person((struct Person*) print_person::person)
(label) print_person::@1
(label) print_person::@2
(label) print_person::@3
(label) print_person::@return
(byte) print_person::i
(byte) print_person::i#1 i zp[1]:4 22.0
(byte) print_person::i#2 i zp[1]:4 11.0
(struct Person*) print_person::person
(struct Person*) print_person::person#2 person zp[2]:2

zp[2]:2 [ print_person::person#2 ]
reg byte x [ idx#13 idx#16 ]
zp[1]:4 [ print_person::i#2 print_person::i#1 ]
reg byte x [ idx#14 idx#5 idx#6 ]
reg byte x [ idx#4 ]


FINAL ASSEMBLER
Score: 920

  // File Comments
// Example of a struct containing a pointer
  // Upstart
.pc = $801 "Basic"
:BasicUpstart(main)
.pc = $80d "Program"
  // Global Constants & labels
  .label SCREEN = $400
  .const SIZEOF_STRUCT_PERSON = 3
  .const OFFSET_STRUCT_PERSON_NAME = 1
  // @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: {
    // print_person(&persons[0])
    // [5] call print_person 
    // [9] phi from main to print_person [phi:main->print_person]
    // [9] phi (byte) idx#13 = (byte) 0 [phi:main->print_person#0] -- vbuxx=vbuc1 
    ldx #0
    // [9] phi (struct Person*) print_person::person#2 = (const struct Person[2]) persons [phi:main->print_person#1] -- pssz1=pssc1 
    lda #<persons
    sta.z print_person.person
    lda #>persons
    sta.z print_person.person+1
    jsr print_person
    // [6] phi from main to main::@1 [phi:main->main::@1]
    // main::@1
    // print_person(&persons[1])
    // [7] call print_person 
    // [9] phi from main::@1 to print_person [phi:main::@1->print_person]
    // [9] phi (byte) idx#13 = (byte) idx#16 [phi:main::@1->print_person#0] -- register_copy 
    // [9] phi (struct Person*) print_person::person#2 = (const struct Person[2]) persons+(byte) 1*(const byte) SIZEOF_STRUCT_PERSON [phi:main::@1->print_person#1] -- pssz1=pssc1 
    lda #<persons+1*SIZEOF_STRUCT_PERSON
    sta.z print_person.person
    lda #>persons+1*SIZEOF_STRUCT_PERSON
    sta.z print_person.person+1
    jsr print_person
    // main::@return
    // }
    // [8] return 
    rts
}
  // print_person
// print_person(struct Person* zeropage(2) person)
print_person: {
    .label i = 4
    .label person = 2
    // SCREEN[idx++] = DIGIT[person->id]
    // [10] *((const byte*) SCREEN + (byte) idx#13) ← *((const byte[]) DIGIT + *((byte*)(struct Person*) print_person::person#2)) -- pbuc1_derefidx_vbuxx=pbuc2_derefidx_(_deref_pbuz1) 
    ldy #0
    lda (person),y
    tay
    lda DIGIT,y
    sta SCREEN,x
    // SCREEN[idx++] = DIGIT[person->id];
    // [11] (byte) idx#4 ← ++ (byte) idx#13 -- vbuxx=_inc_vbuxx 
    inx
    // SCREEN[idx++] = ' '
    // [12] *((const byte*) SCREEN + (byte) idx#4) ← (byte) ' ' -- pbuc1_derefidx_vbuxx=vbuc2 
    lda #' '
    sta SCREEN,x
    // SCREEN[idx++] = ' ';
    // [13] (byte) idx#5 ← ++ (byte) idx#4 -- vbuxx=_inc_vbuxx 
    inx
    // [14] phi from print_person to print_person::@1 [phi:print_person->print_person::@1]
    // [14] phi (byte) idx#14 = (byte) idx#5 [phi:print_person->print_person::@1#0] -- register_copy 
    // [14] phi (byte) print_person::i#2 = (byte) 0 [phi:print_person->print_person::@1#1] -- vbuz1=vbuc1 
    lda #0
    sta.z i
    // print_person::@1
  __b1:
    // for(byte i=0; person->name[i]; i++)
    // [15] if((byte) 0!=*(*((byte**)(struct Person*) print_person::person#2 + (const byte) OFFSET_STRUCT_PERSON_NAME) + (byte) print_person::i#2)) goto print_person::@2 -- vbuc1_neq_(pptz1_derefidx_vbuc2)_derefidx_vbuz2_then_la1 
    ldy #OFFSET_STRUCT_PERSON_NAME
    lda (person),y
    sta.z $fe
    iny
    lda (person),y
    sta.z $ff
    ldy.z i
    lda ($fe),y
    cmp #0
    bne __b2
    // print_person::@3
    // SCREEN[idx++] = ' '
    // [16] *((const byte*) SCREEN + (byte) idx#14) ← (byte) ' ' -- pbuc1_derefidx_vbuxx=vbuc2 
    lda #' '
    sta SCREEN,x
    // SCREEN[idx++] = ' ';
    // [17] (byte) idx#16 ← ++ (byte) idx#14 -- vbuxx=_inc_vbuxx 
    inx
    // print_person::@return
    // }
    // [18] return 
    rts
    // print_person::@2
  __b2:
    // SCREEN[idx++] = person->name[i]
    // [19] *((const byte*) SCREEN + (byte) idx#14) ← *(*((byte**)(struct Person*) print_person::person#2 + (const byte) OFFSET_STRUCT_PERSON_NAME) + (byte) print_person::i#2) -- pbuc1_derefidx_vbuxx=(pptz1_derefidx_vbuc2)_derefidx_vbuz2 
    ldy #OFFSET_STRUCT_PERSON_NAME
    lda (person),y
    sta.z $fe
    iny
    lda (person),y
    sta.z $ff
    ldy.z i
    lda ($fe),y
    sta SCREEN,x
    // SCREEN[idx++] = person->name[i];
    // [20] (byte) idx#6 ← ++ (byte) idx#14 -- vbuxx=_inc_vbuxx 
    inx
    // for(byte i=0; person->name[i]; i++)
    // [21] (byte) print_person::i#1 ← ++ (byte) print_person::i#2 -- vbuz1=_inc_vbuz1 
    inc.z i
    // [14] phi from print_person::@2 to print_person::@1 [phi:print_person::@2->print_person::@1]
    // [14] phi (byte) idx#14 = (byte) idx#6 [phi:print_person::@2->print_person::@1#0] -- register_copy 
    // [14] phi (byte) print_person::i#2 = (byte) print_person::i#1 [phi:print_person::@2->print_person::@1#1] -- register_copy 
    jmp __b1
}
  // File Data
  DIGIT: .text "0123456789"
  .byte 0
  __0: .text "jesper"
  .byte 0
  __1: .text "repsej"
  .byte 0
  persons: .byte 4
  .word __0
  .byte 7
  .word __1

