kickc/src/test/ref/struct-ptr-18.log

Constantified RValue *((const struct Point*) points + (number~) main::$2) ← { x: (byte) 1, y: (byte) 2 }
Constantified RValue *((const struct Point*) points + (number~) main::$3) ← { x: (byte) 3, y: (byte) 4 }
Inlined call call _init 

CONTROL FLOW GRAPH SSA

(void()) main()
main: scope:[main]  from _start::@1
  (byte) idx#16 ← phi( _start::@1/(byte) idx#15 )
  (number~) main::$2 ← (number) 0 * (const byte) SIZEOF_STRUCT_POINT
  *((const struct Point*) points + (number~) main::$2) ← memcpy(*(&(const struct Point) $0), struct Point, (const byte) SIZEOF_STRUCT_POINT)
  (number~) main::$3 ← (number) 1 * (const byte) SIZEOF_STRUCT_POINT
  *((const struct Point*) points + (number~) main::$3) ← memcpy(*(&(const struct Point) $1), struct Point, (const byte) SIZEOF_STRUCT_POINT)
  (byte) main::i#0 ← (byte) 0
  to:main::@1
main::@1: scope:[main]  from main main::@2
  (byte) idx#14 ← phi( main/(byte) idx#16 main::@2/(byte) idx#0 )
  (byte) main::i#2 ← phi( main/(byte) main::i#0 main::@2/(byte) main::i#1 )
  (byte~) main::$4 ← (byte) main::i#2 * (const byte) SIZEOF_STRUCT_POINT
  (byte) print::p_x#0 ← *((byte*)(const struct Point*) points+(const byte) OFFSET_STRUCT_POINT_X + (byte~) main::$4)
  (byte) print::p_y#0 ← *((byte*)(const struct Point*) points+(const byte) OFFSET_STRUCT_POINT_Y + (byte~) main::$4)
  call print 
  to:main::@2
main::@2: scope:[main]  from main::@1
  (byte) main::i#3 ← phi( main::@1/(byte) main::i#2 )
  (byte) idx#8 ← phi( main::@1/(byte) idx#4 )
  (byte) idx#0 ← (byte) idx#8
  (byte) main::i#1 ← (byte) main::i#3 + rangenext(0,1)
  (bool~) main::$1 ← (byte) main::i#1 != rangelast(0,1)
  if((bool~) main::$1) goto main::@1
  to:main::@return
main::@return: scope:[main]  from main::@2
  (byte) idx#9 ← phi( main::@2/(byte) idx#0 )
  (byte) idx#1 ← (byte) idx#9
  return 
  to:@return

(void()) print((byte) print::p_x , (byte) print::p_y)
print: scope:[print]  from main::@1
  (byte) print::p_y#1 ← phi( main::@1/(byte) print::p_y#0 )
  (byte) idx#10 ← phi( main::@1/(byte) idx#14 )
  (byte) print::p_x#1 ← phi( main::@1/(byte) print::p_x#0 )
  *((const nomodify byte*) SCREEN + (byte) idx#10) ← (byte) print::p_x#1
  (byte) idx#2 ← ++ (byte) idx#10
  *((const nomodify byte*) SCREEN + (byte) idx#2) ← (byte) print::p_y#1
  (byte) idx#3 ← ++ (byte) idx#2
  to:print::@return
print::@return: scope:[print]  from print
  (byte) idx#11 ← phi( print/(byte) idx#3 )
  (byte) idx#4 ← (byte) idx#11
  return 
  to:@return

(void()) _start()
_start: scope:[_start]  from
  to:_start::_init1
_start::_init1: scope:[_start]  from _start
  (byte) idx#5 ← (byte) 0
  to:_start::@1
_start::@1: scope:[_start]  from _start::_init1
  (byte) idx#15 ← phi( _start::_init1/(byte) idx#5 )
  call main 
  to:_start::@2
_start::@2: scope:[_start]  from _start::@1
  (byte) idx#12 ← phi( _start::@1/(byte) idx#1 )
  (byte) idx#6 ← (byte) idx#12
  to:_start::@return
_start::@return: scope:[_start]  from _start::@2
  (byte) idx#13 ← phi( _start::@2/(byte) idx#6 )
  (byte) idx#7 ← (byte) idx#13
  return 
  to:@return

SYMBOL TABLE SSA
(const struct Point) $0 = { x: (byte) 1, y: (byte) 2 }
(const struct Point) $1 = { x: (byte) 3, y: (byte) 4 }
(const byte) OFFSET_STRUCT_POINT_X = (byte) 0
(const byte) OFFSET_STRUCT_POINT_Y = (byte) 1
(byte) Point::x
(byte) Point::y
(const nomodify byte*) SCREEN = (byte*)(number) $400
(const byte) SIZEOF_STRUCT_POINT = (byte) 2
(void()) _start()
(label) _start::@1
(label) _start::@2
(label) _start::@return
(label) _start::_init1
(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#2
(byte) idx#3
(byte) idx#4
(byte) idx#5
(byte) idx#6
(byte) idx#7
(byte) idx#8
(byte) idx#9
(void()) main()
(bool~) main::$1
(number~) main::$2
(number~) main::$3
(byte~) main::$4
(label) main::@1
(label) main::@2
(label) main::@return
(byte) main::i
(byte) main::i#0
(byte) main::i#1
(byte) main::i#2
(byte) main::i#3
(const struct Point*) points[(number) 2]  = { fill( 2, 0) }
(void()) print((byte) print::p_x , (byte) print::p_y)
(label) print::@return
(struct Point) print::p
(byte) print::p_x
(byte) print::p_x#0
(byte) print::p_x#1
(byte) print::p_y
(byte) print::p_y#0
(byte) print::p_y#1

Adding number conversion cast (unumber) 0 in (number~) main::$2 ← (number) 0 * (const byte) SIZEOF_STRUCT_POINT
Adding number conversion cast (unumber) main::$2 in (number~) main::$2 ← (unumber)(number) 0 * (const byte) SIZEOF_STRUCT_POINT
Adding number conversion cast (unumber) 1 in (number~) main::$3 ← (number) 1 * (const byte) SIZEOF_STRUCT_POINT
Adding number conversion cast (unumber) main::$3 in (number~) main::$3 ← (unumber)(number) 1 * (const byte) SIZEOF_STRUCT_POINT
Successful SSA optimization PassNAddNumberTypeConversions
Simplifying constant pointer cast (byte*) 1024
Simplifying constant integer cast 0
Simplifying constant integer cast 1
Successful SSA optimization PassNCastSimplification
Finalized unsigned number type (byte) 0
Finalized unsigned number type (byte) 1
Successful SSA optimization PassNFinalizeNumberTypeConversions
Inferred type updated to byte in (unumber~) main::$2 ← (byte) 0 * (const byte) SIZEOF_STRUCT_POINT
Inferred type updated to byte in (unumber~) main::$3 ← (byte) 1 * (const byte) SIZEOF_STRUCT_POINT
Alias main::i#2 = main::i#3 
Alias idx#0 = idx#8 idx#9 idx#1 
Alias idx#11 = idx#3 idx#4 
Alias idx#15 = idx#5 
Alias idx#12 = idx#6 idx#13 idx#7 
Successful SSA optimization Pass2AliasElimination
Identical Phi Values (byte) idx#16 (byte) idx#15
Identical Phi Values (byte) idx#0 (byte) idx#11
Identical Phi Values (byte) print::p_x#1 (byte) print::p_x#0
Identical Phi Values (byte) idx#10 (byte) idx#14
Identical Phi Values (byte) print::p_y#1 (byte) print::p_y#0
Identical Phi Values (byte) idx#12 (byte) idx#0
Successful SSA optimization Pass2IdenticalPhiElimination
Simple Condition (bool~) main::$1 [14] if((byte) main::i#1!=rangelast(0,1)) goto main::@1
Successful SSA optimization Pass2ConditionalJumpSimplification
Constant right-side identified [1] (byte~) main::$2 ← (byte) 0 * (const byte) SIZEOF_STRUCT_POINT
Constant right-side identified [3] (byte~) main::$3 ← (byte) 1 * (const byte) SIZEOF_STRUCT_POINT
Successful SSA optimization Pass2ConstantRValueConsolidation
Constant (const byte) main::$2 = 0*SIZEOF_STRUCT_POINT
Constant (const byte) main::$3 = 1*SIZEOF_STRUCT_POINT
Constant (const byte) main::i#0 = 0
Constant (const byte) idx#15 = 0
Successful SSA optimization Pass2ConstantIdentification
Resolved ranged next value [12] main::i#1 ← ++ main::i#2 to ++
Resolved ranged comparison value [14] if(main::i#1!=rangelast(0,1)) goto main::@1 to (number) 2
Simplifying constant evaluating to zero (byte) 0*(const byte) SIZEOF_STRUCT_POINT in 
Successful SSA optimization PassNSimplifyConstantZero
Simplifying expression containing zero points in [2] *((const struct Point*) points + (const byte) main::$2) ← memcpy(*(&(const struct Point) $0), struct Point, (const byte) SIZEOF_STRUCT_POINT)
Simplifying expression containing zero (byte*)points in [8] (byte) print::p_x#0 ← *((byte*)(const struct Point*) points+(const byte) OFFSET_STRUCT_POINT_X + (byte~) main::$4)
Successful SSA optimization PassNSimplifyExpressionWithZero
Eliminating unused constant (const byte) main::$2
Eliminating unused constant (const byte) OFFSET_STRUCT_POINT_X
Successful SSA optimization PassNEliminateUnusedVars
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
Adding number conversion cast (unumber) 2 in [8] if((byte) main::i#1!=(number) 2) goto main::@1
Successful SSA optimization PassNAddNumberTypeConversions
Simplifying constant integer cast 2
Successful SSA optimization PassNCastSimplification
Finalized unsigned number type (byte) 2
Successful SSA optimization PassNFinalizeNumberTypeConversions
Rewriting multiplication to use shift [3] (byte~) main::$4 ← (byte) main::i#2 * (const byte) SIZEOF_STRUCT_POINT
Successful SSA optimization Pass2MultiplyToShiftRewriting
Inlining constant with var siblings (const byte) main::i#0
Inlining constant with var siblings (const byte) idx#15
Constant inlined main::i#0 = (byte) 0
Constant inlined main::$3 = (byte) 1*(const byte) SIZEOF_STRUCT_POINT
Constant inlined idx#15 = (byte) 0
Successful SSA optimization Pass2ConstantInlining
Consolidated array index constant in *(points+1*SIZEOF_STRUCT_POINT)
Successful SSA optimization Pass2ConstantAdditionElimination
Added new block during phi lifting main::@3(between main::@2 and main::@1)
CALL GRAPH
Calls in [main] to print:6 

Created 2 initial phi equivalence classes
Coalesced [10] main::i#4 ← main::i#1
Coalesced [11] idx#17 ← idx#11
Coalesced down to 2 phi equivalence classes
Culled Empty Block (label) main::@3

FINAL CONTROL FLOW GRAPH

(void()) main()
main: scope:[main]  from
  [0] *((const struct Point*) points) ← memcpy(*(&(const struct Point) $0), struct Point, (const byte) SIZEOF_STRUCT_POINT)
  [1] *((const struct Point*) points+(byte) 1*(const byte) SIZEOF_STRUCT_POINT) ← memcpy(*(&(const struct Point) $1), struct Point, (const byte) SIZEOF_STRUCT_POINT)
  to:main::@1
main::@1: scope:[main]  from main main::@2
  [2] (byte) idx#14 ← phi( main/(byte) 0 main::@2/(byte) idx#11 )
  [2] (byte) main::i#2 ← phi( main/(byte) 0 main::@2/(byte) main::i#1 )
  [3] (byte~) main::$4 ← (byte) main::i#2 << (byte) 1
  [4] (byte) print::p_x#0 ← *((byte*)(const struct Point*) points + (byte~) main::$4)
  [5] (byte) print::p_y#0 ← *((byte*)(const struct Point*) points+(const byte) OFFSET_STRUCT_POINT_Y + (byte~) main::$4)
  [6] call print 
  to:main::@2
main::@2: scope:[main]  from main::@1
  [7] (byte) main::i#1 ← ++ (byte) main::i#2
  [8] if((byte) main::i#1!=(byte) 2) goto main::@1
  to:main::@return
main::@return: scope:[main]  from main::@2
  [9] return 
  to:@return

(void()) print((byte) print::p_x , (byte) print::p_y)
print: scope:[print]  from main::@1
  [10] *((const nomodify byte*) SCREEN + (byte) idx#14) ← (byte) print::p_x#0
  [11] (byte) idx#2 ← ++ (byte) idx#14
  [12] *((const nomodify byte*) SCREEN + (byte) idx#2) ← (byte) print::p_y#0
  [13] (byte) idx#11 ← ++ (byte) idx#2
  to:print::@return
print::@return: scope:[print]  from print
  [14] return 
  to:@return


VARIABLE REGISTER WEIGHTS
(byte) Point::x
(byte) Point::y
(byte) idx
(byte) idx#11 22.4
(byte) idx#14 42.599999999999994
(byte) idx#2 151.5
(void()) main()
(byte~) main::$4 16.5
(byte) main::i
(byte) main::i#1 16.5
(byte) main::i#2 6.6000000000000005
(void()) print((byte) print::p_x , (byte) print::p_y)
(struct Point) print::p
(byte) print::p_x
(byte) print::p_x#0 56.0
(byte) print::p_y
(byte) print::p_y#0 37.33333333333333

Initial phi equivalence classes
[ main::i#2 main::i#1 ]
[ idx#14 idx#11 ]
Added variable main::$4 to live range equivalence class [ main::$4 ]
Added variable print::p_x#0 to live range equivalence class [ print::p_x#0 ]
Added variable print::p_y#0 to live range equivalence class [ print::p_y#0 ]
Added variable idx#2 to live range equivalence class [ idx#2 ]
Complete equivalence classes
[ main::i#2 main::i#1 ]
[ idx#14 idx#11 ]
[ main::$4 ]
[ print::p_x#0 ]
[ print::p_y#0 ]
[ idx#2 ]
Allocated zp[1]:2 [ main::i#2 main::i#1 ]
Allocated zp[1]:3 [ idx#14 idx#11 ]
Allocated zp[1]:4 [ main::$4 ]
Allocated zp[1]:5 [ print::p_x#0 ]
Allocated zp[1]:6 [ print::p_y#0 ]
Allocated zp[1]:7 [ idx#2 ]

INITIAL ASM
Target platform is c64basic / MOS6502X
  // File Comments
// Demonstrates problem with passing struct array element as parameter to call
  // Upstart
.pc = $801 "Basic"
:BasicUpstart(main)
.pc = $80d "Program"
  // Global Constants & labels
  .const SIZEOF_STRUCT_POINT = 2
  .const OFFSET_STRUCT_POINT_Y = 1
  .label SCREEN = $400
  .label idx = 7
  .label idx_1 = 3
  // main
main: {
    .label __4 = 4
    .label i = 2
    // [0] *((const struct Point*) points) ← memcpy(*(&(const struct Point) $0), struct Point, (const byte) SIZEOF_STRUCT_POINT) -- _deref_pssc1=_deref_pssc2_memcpy_vbuc3 
    ldy #SIZEOF_STRUCT_POINT
  !:
    lda __0-1,y
    sta points-1,y
    dey
    bne !-
    // [1] *((const struct Point*) points+(byte) 1*(const byte) SIZEOF_STRUCT_POINT) ← memcpy(*(&(const struct Point) $1), struct Point, (const byte) SIZEOF_STRUCT_POINT) -- _deref_pssc1=_deref_pssc2_memcpy_vbuc3 
    ldy #SIZEOF_STRUCT_POINT
  !:
    lda __1-1,y
    sta points+1*SIZEOF_STRUCT_POINT-1,y
    dey
    bne !-
    // [2] phi from main to main::@1 [phi:main->main::@1]
  __b1_from_main:
    // [2] phi (byte) idx#14 = (byte) 0 [phi:main->main::@1#0] -- vbuz1=vbuc1 
    lda #0
    sta.z idx_1
    // [2] phi (byte) main::i#2 = (byte) 0 [phi:main->main::@1#1] -- vbuz1=vbuc1 
    lda #0
    sta.z i
    jmp __b1
    // [2] phi from main::@2 to main::@1 [phi:main::@2->main::@1]
  __b1_from___b2:
    // [2] phi (byte) idx#14 = (byte) idx#11 [phi:main::@2->main::@1#0] -- register_copy 
    // [2] phi (byte) main::i#2 = (byte) main::i#1 [phi:main::@2->main::@1#1] -- register_copy 
    jmp __b1
    // main::@1
  __b1:
    // [3] (byte~) main::$4 ← (byte) main::i#2 << (byte) 1 -- vbuz1=vbuz2_rol_1 
    lda.z i
    asl
    sta.z __4
    // [4] (byte) print::p_x#0 ← *((byte*)(const struct Point*) points + (byte~) main::$4) -- vbuz1=pbuc1_derefidx_vbuz2 
    ldy.z __4
    lda points,y
    sta.z print.p_x
    // [5] (byte) print::p_y#0 ← *((byte*)(const struct Point*) points+(const byte) OFFSET_STRUCT_POINT_Y + (byte~) main::$4) -- vbuz1=pbuc1_derefidx_vbuz2 
    ldy.z __4
    lda points+OFFSET_STRUCT_POINT_Y,y
    sta.z print.p_y
    // [6] call print 
    jsr print
    jmp __b2
    // main::@2
  __b2:
    // [7] (byte) main::i#1 ← ++ (byte) main::i#2 -- vbuz1=_inc_vbuz1 
    inc.z i
    // [8] if((byte) main::i#1!=(byte) 2) goto main::@1 -- vbuz1_neq_vbuc1_then_la1 
    lda #2
    cmp.z i
    bne __b1_from___b2
    jmp __breturn
    // main::@return
  __breturn:
    // [9] return 
    rts
}
  // print
// print(byte zp(5) p_x, byte zp(6) p_y)
print: {
    .label p_x = 5
    .label p_y = 6
    // [10] *((const nomodify byte*) SCREEN + (byte) idx#14) ← (byte) print::p_x#0 -- pbuc1_derefidx_vbuz1=vbuz2 
    lda.z p_x
    ldy.z idx_1
    sta SCREEN,y
    // [11] (byte) idx#2 ← ++ (byte) idx#14 -- vbuz1=_inc_vbuz2 
    ldy.z idx_1
    iny
    sty.z idx
    // [12] *((const nomodify byte*) SCREEN + (byte) idx#2) ← (byte) print::p_y#0 -- pbuc1_derefidx_vbuz1=vbuz2 
    lda.z p_y
    ldy.z idx
    sta SCREEN,y
    // [13] (byte) idx#11 ← ++ (byte) idx#2 -- vbuz1=_inc_vbuz2 
    ldy.z idx
    iny
    sty.z idx_1
    jmp __breturn
    // print::@return
  __breturn:
    // [14] return 
    rts
}
  // File Data
  points: .fill 2*2, 0
  __0: .byte 1, 2
  __1: .byte 3, 4

REGISTER UPLIFT POTENTIAL REGISTERS
Statement [0] *((const struct Point*) points) ← memcpy(*(&(const struct Point) $0), struct Point, (const byte) SIZEOF_STRUCT_POINT) [ ] (  [ ] { }  ) always clobbers reg byte a reg byte y 
Statement [1] *((const struct Point*) points+(byte) 1*(const byte) SIZEOF_STRUCT_POINT) ← memcpy(*(&(const struct Point) $1), struct Point, (const byte) SIZEOF_STRUCT_POINT) [ ] (  [ ] { }  ) always clobbers reg byte a reg byte y 
Statement [3] (byte~) main::$4 ← (byte) main::i#2 << (byte) 1 [ main::i#2 idx#14 main::$4 ] (  [ main::i#2 idx#14 main::$4 ] { }  ) always clobbers reg byte a 
Removing always clobbered register reg byte a as potential for zp[1]:2 [ main::i#2 main::i#1 ]
Removing always clobbered register reg byte a as potential for zp[1]:3 [ idx#14 idx#11 ]
Statement [0] *((const struct Point*) points) ← memcpy(*(&(const struct Point) $0), struct Point, (const byte) SIZEOF_STRUCT_POINT) [ ] (  [ ] { }  ) always clobbers reg byte a reg byte y 
Statement [1] *((const struct Point*) points+(byte) 1*(const byte) SIZEOF_STRUCT_POINT) ← memcpy(*(&(const struct Point) $1), struct Point, (const byte) SIZEOF_STRUCT_POINT) [ ] (  [ ] { }  ) always clobbers reg byte a reg byte y 
Statement [3] (byte~) main::$4 ← (byte) main::i#2 << (byte) 1 [ main::i#2 idx#14 main::$4 ] (  [ main::i#2 idx#14 main::$4 ] { }  ) always clobbers reg byte a 
Potential registers zp[1]:2 [ main::i#2 main::i#1 ] : zp[1]:2 , reg byte x , reg byte y , 
Potential registers zp[1]:3 [ idx#14 idx#11 ] : zp[1]:3 , reg byte x , reg byte y , 
Potential registers zp[1]:4 [ main::$4 ] : zp[1]:4 , reg byte a , reg byte x , reg byte y , 
Potential registers zp[1]:5 [ print::p_x#0 ] : zp[1]:5 , reg byte a , reg byte x , reg byte y , 
Potential registers zp[1]:6 [ print::p_y#0 ] : zp[1]:6 , reg byte a , reg byte x , reg byte y , 
Potential registers zp[1]:7 [ idx#2 ] : zp[1]:7 , reg byte a , reg byte x , reg byte y , 

REGISTER UPLIFT SCOPES
Uplift Scope [] 151.5: zp[1]:7 [ idx#2 ] 65: zp[1]:3 [ idx#14 idx#11 ] 
Uplift Scope [print] 56: zp[1]:5 [ print::p_x#0 ] 37.33: zp[1]:6 [ print::p_y#0 ] 
Uplift Scope [main] 23.1: zp[1]:2 [ main::i#2 main::i#1 ] 16.5: zp[1]:4 [ main::$4 ] 
Uplift Scope [Point] 

Uplifting [] best 732 combination reg byte x [ idx#2 ] reg byte x [ idx#14 idx#11 ] 
Uplifting [print] best 732 combination zp[1]:5 [ print::p_x#0 ] zp[1]:6 [ print::p_y#0 ] 
Uplifting [main] best 662 combination zp[1]:2 [ main::i#2 main::i#1 ] reg byte y [ main::$4 ] 
Uplifting [Point] best 662 combination 
Attempting to uplift remaining variables inzp[1]:5 [ print::p_x#0 ]
Uplifting [print] best 662 combination zp[1]:5 [ print::p_x#0 ] 
Attempting to uplift remaining variables inzp[1]:6 [ print::p_y#0 ]
Uplifting [print] best 651 combination reg byte y [ print::p_y#0 ] 
Attempting to uplift remaining variables inzp[1]:2 [ main::i#2 main::i#1 ]
Uplifting [main] best 651 combination zp[1]:2 [ main::i#2 main::i#1 ] 
Allocated (was zp[1]:5) zp[1]:3 [ print::p_x#0 ]

ASSEMBLER BEFORE OPTIMIZATION
  // File Comments
// Demonstrates problem with passing struct array element as parameter to call
  // Upstart
.pc = $801 "Basic"
:BasicUpstart(main)
.pc = $80d "Program"
  // Global Constants & labels
  .const SIZEOF_STRUCT_POINT = 2
  .const OFFSET_STRUCT_POINT_Y = 1
  .label SCREEN = $400
  // main
main: {
    .label i = 2
    // [0] *((const struct Point*) points) ← memcpy(*(&(const struct Point) $0), struct Point, (const byte) SIZEOF_STRUCT_POINT) -- _deref_pssc1=_deref_pssc2_memcpy_vbuc3 
    ldy #SIZEOF_STRUCT_POINT
  !:
    lda __0-1,y
    sta points-1,y
    dey
    bne !-
    // [1] *((const struct Point*) points+(byte) 1*(const byte) SIZEOF_STRUCT_POINT) ← memcpy(*(&(const struct Point) $1), struct Point, (const byte) SIZEOF_STRUCT_POINT) -- _deref_pssc1=_deref_pssc2_memcpy_vbuc3 
    ldy #SIZEOF_STRUCT_POINT
  !:
    lda __1-1,y
    sta points+1*SIZEOF_STRUCT_POINT-1,y
    dey
    bne !-
    // [2] phi from main to main::@1 [phi:main->main::@1]
  __b1_from_main:
    // [2] phi (byte) idx#14 = (byte) 0 [phi:main->main::@1#0] -- vbuxx=vbuc1 
    ldx #0
    // [2] phi (byte) main::i#2 = (byte) 0 [phi:main->main::@1#1] -- vbuz1=vbuc1 
    lda #0
    sta.z i
    jmp __b1
    // [2] phi from main::@2 to main::@1 [phi:main::@2->main::@1]
  __b1_from___b2:
    // [2] phi (byte) idx#14 = (byte) idx#11 [phi:main::@2->main::@1#0] -- register_copy 
    // [2] phi (byte) main::i#2 = (byte) main::i#1 [phi:main::@2->main::@1#1] -- register_copy 
    jmp __b1
    // main::@1
  __b1:
    // [3] (byte~) main::$4 ← (byte) main::i#2 << (byte) 1 -- vbuyy=vbuz1_rol_1 
    lda.z i
    asl
    tay
    // [4] (byte) print::p_x#0 ← *((byte*)(const struct Point*) points + (byte~) main::$4) -- vbuz1=pbuc1_derefidx_vbuyy 
    lda points,y
    sta.z print.p_x
    // [5] (byte) print::p_y#0 ← *((byte*)(const struct Point*) points+(const byte) OFFSET_STRUCT_POINT_Y + (byte~) main::$4) -- vbuyy=pbuc1_derefidx_vbuyy 
    lda points+OFFSET_STRUCT_POINT_Y,y
    tay
    // [6] call print 
    jsr print
    jmp __b2
    // main::@2
  __b2:
    // [7] (byte) main::i#1 ← ++ (byte) main::i#2 -- vbuz1=_inc_vbuz1 
    inc.z i
    // [8] if((byte) main::i#1!=(byte) 2) goto main::@1 -- vbuz1_neq_vbuc1_then_la1 
    lda #2
    cmp.z i
    bne __b1_from___b2
    jmp __breturn
    // main::@return
  __breturn:
    // [9] return 
    rts
}
  // print
// print(byte zp(3) p_x, byte register(Y) p_y)
print: {
    .label p_x = 3
    // [10] *((const nomodify byte*) SCREEN + (byte) idx#14) ← (byte) print::p_x#0 -- pbuc1_derefidx_vbuxx=vbuz1 
    lda.z p_x
    sta SCREEN,x
    // [11] (byte) idx#2 ← ++ (byte) idx#14 -- vbuxx=_inc_vbuxx 
    inx
    // [12] *((const nomodify byte*) SCREEN + (byte) idx#2) ← (byte) print::p_y#0 -- pbuc1_derefidx_vbuxx=vbuyy 
    tya
    sta SCREEN,x
    // [13] (byte) idx#11 ← ++ (byte) idx#2 -- vbuxx=_inc_vbuxx 
    inx
    jmp __breturn
    // print::@return
  __breturn:
    // [14] return 
    rts
}
  // File Data
  points: .fill 2*2, 0
  __0: .byte 1, 2
  __1: .byte 3, 4

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
Replacing label __b1_from___b2 with __b1
Removing instruction __b1_from___b2:
Succesful ASM optimization Pass5RedundantLabelElimination
Removing instruction __b1_from_main:
Removing instruction __b2:
Removing instruction __breturn:
Removing instruction __breturn:
Succesful ASM optimization Pass5UnusedLabelElimination
Removing instruction jmp __b1
Succesful ASM optimization Pass5NextJumpElimination

FINAL SYMBOL TABLE
(const struct Point) $0 = { x: (byte) 1, y: (byte) 2 }
(const struct Point) $1 = { x: (byte) 3, y: (byte) 4 }
(const byte) OFFSET_STRUCT_POINT_Y = (byte) 1
(byte) Point::x
(byte) Point::y
(const nomodify byte*) SCREEN = (byte*) 1024
(const byte) SIZEOF_STRUCT_POINT = (byte) 2
(byte) idx
(byte) idx#11 reg byte x 22.4
(byte) idx#14 reg byte x 42.599999999999994
(byte) idx#2 reg byte x 151.5
(void()) main()
(byte~) main::$4 reg byte y 16.5
(label) main::@1
(label) main::@2
(label) main::@return
(byte) main::i
(byte) main::i#1 i zp[1]:2 16.5
(byte) main::i#2 i zp[1]:2 6.6000000000000005
(const struct Point*) points[(number) 2]  = { fill( 2, 0) }
(void()) print((byte) print::p_x , (byte) print::p_y)
(label) print::@return
(struct Point) print::p
(byte) print::p_x
(byte) print::p_x#0 p_x zp[1]:3 56.0
(byte) print::p_y
(byte) print::p_y#0 reg byte y 37.33333333333333

zp[1]:2 [ main::i#2 main::i#1 ]
reg byte x [ idx#14 idx#11 ]
reg byte y [ main::$4 ]
zp[1]:3 [ print::p_x#0 ]
reg byte y [ print::p_y#0 ]
reg byte x [ idx#2 ]


FINAL ASSEMBLER
Score: 528

  // File Comments
// Demonstrates problem with passing struct array element as parameter to call
  // Upstart
.pc = $801 "Basic"
:BasicUpstart(main)
.pc = $80d "Program"
  // Global Constants & labels
  .const SIZEOF_STRUCT_POINT = 2
  .const OFFSET_STRUCT_POINT_Y = 1
  .label SCREEN = $400
  // main
main: {
    .label i = 2
    // points[0] = { 1, 2 }
    // [0] *((const struct Point*) points) ← memcpy(*(&(const struct Point) $0), struct Point, (const byte) SIZEOF_STRUCT_POINT) -- _deref_pssc1=_deref_pssc2_memcpy_vbuc3 
    ldy #SIZEOF_STRUCT_POINT
  !:
    lda __0-1,y
    sta points-1,y
    dey
    bne !-
    // points[1] = { 3, 4 }
    // [1] *((const struct Point*) points+(byte) 1*(const byte) SIZEOF_STRUCT_POINT) ← memcpy(*(&(const struct Point) $1), struct Point, (const byte) SIZEOF_STRUCT_POINT) -- _deref_pssc1=_deref_pssc2_memcpy_vbuc3 
    ldy #SIZEOF_STRUCT_POINT
  !:
    lda __1-1,y
    sta points+1*SIZEOF_STRUCT_POINT-1,y
    dey
    bne !-
    // [2] phi from main to main::@1 [phi:main->main::@1]
    // [2] phi (byte) idx#14 = (byte) 0 [phi:main->main::@1#0] -- vbuxx=vbuc1 
    ldx #0
    // [2] phi (byte) main::i#2 = (byte) 0 [phi:main->main::@1#1] -- vbuz1=vbuc1 
    txa
    sta.z i
    // [2] phi from main::@2 to main::@1 [phi:main::@2->main::@1]
    // [2] phi (byte) idx#14 = (byte) idx#11 [phi:main::@2->main::@1#0] -- register_copy 
    // [2] phi (byte) main::i#2 = (byte) main::i#1 [phi:main::@2->main::@1#1] -- register_copy 
    // main::@1
  __b1:
    // print(points[i])
    // [3] (byte~) main::$4 ← (byte) main::i#2 << (byte) 1 -- vbuyy=vbuz1_rol_1 
    lda.z i
    asl
    tay
    // [4] (byte) print::p_x#0 ← *((byte*)(const struct Point*) points + (byte~) main::$4) -- vbuz1=pbuc1_derefidx_vbuyy 
    lda points,y
    sta.z print.p_x
    // [5] (byte) print::p_y#0 ← *((byte*)(const struct Point*) points+(const byte) OFFSET_STRUCT_POINT_Y + (byte~) main::$4) -- vbuyy=pbuc1_derefidx_vbuyy 
    lda points+OFFSET_STRUCT_POINT_Y,y
    tay
    // [6] call print 
    jsr print
    // main::@2
    // for ( char i: 0..1)
    // [7] (byte) main::i#1 ← ++ (byte) main::i#2 -- vbuz1=_inc_vbuz1 
    inc.z i
    // [8] if((byte) main::i#1!=(byte) 2) goto main::@1 -- vbuz1_neq_vbuc1_then_la1 
    lda #2
    cmp.z i
    bne __b1
    // main::@return
    // }
    // [9] return 
    rts
}
  // print
// print(byte zp(3) p_x, byte register(Y) p_y)
print: {
    .label p_x = 3
    // SCREEN[idx++] = p.x
    // [10] *((const nomodify byte*) SCREEN + (byte) idx#14) ← (byte) print::p_x#0 -- pbuc1_derefidx_vbuxx=vbuz1 
    lda.z p_x
    sta SCREEN,x
    // SCREEN[idx++] = p.x;
    // [11] (byte) idx#2 ← ++ (byte) idx#14 -- vbuxx=_inc_vbuxx 
    inx
    // SCREEN[idx++] = p.y
    // [12] *((const nomodify byte*) SCREEN + (byte) idx#2) ← (byte) print::p_y#0 -- pbuc1_derefidx_vbuxx=vbuyy 
    tya
    sta SCREEN,x
    // SCREEN[idx++] = p.y;
    // [13] (byte) idx#11 ← ++ (byte) idx#2 -- vbuxx=_inc_vbuxx 
    inx
    // print::@return
    // }
    // [14] return 
    rts
}
  // File Data
  points: .fill 2*2, 0
  __0: .byte 1, 2
  __1: .byte 3, 4