Fixing pointer array-indexing *((struct Point[2]) points + (byte) main::i)
Fixing pointer array-indexing *((struct Point[2]) points + (byte) main::i1)
Fixing pointer array-indexing *((struct Point*) main::SCREEN + (byte) main::i1)
Adding struct value list initializer *((byte*) main::$4 + (byte~) main::$2) ← (number) 2
Adding struct value list initializer *((byte*) main::$5 + (byte~) main::$2) ← (byte) main::i
Adding struct value member variable copy *((byte*) main::$6 + (byte~) main::$3) ← *((byte*) main::$7 + (byte~) main::$3)
Adding struct value member variable copy *((byte*) main::$8 + (byte~) main::$3) ← *((byte*) main::$9 + (byte~) main::$3)
Culled Empty Block (label) main::@4

CONTROL FLOW GRAPH SSA
@begin: scope:[]  from
  (struct Point[2]) points#0 ← { fill( 2, 0) }
  to:@1
main: scope:[main]  from @1
  (byte) main::i#0 ← (byte) 0
  to:main::@1
main::@1: scope:[main]  from main main::@1
  (byte) main::i#2 ← phi( main/(byte) main::i#0 main::@1/(byte) main::i#1 )
  (byte~) main::$2 ← (byte) main::i#2 * (const byte) SIZEOF_STRUCT_POINT
  (byte*) main::$4 ← (byte*)(struct Point[2]) points#0 + (const byte) OFFSET_STRUCT_POINT_X
  *((byte*) main::$4 + (byte~) main::$2) ← (number) 2
  (byte*) main::$5 ← (byte*)(struct Point[2]) points#0 + (const byte) OFFSET_STRUCT_POINT_Y
  *((byte*) main::$5 + (byte~) main::$2) ← (byte) main::i#2
  (byte) main::i#1 ← (byte) main::i#2 + rangenext(0,1)
  (bool~) main::$0 ← (byte) main::i#1 != rangelast(0,1)
  if((bool~) main::$0) goto main::@1
  to:main::@2
main::@2: scope:[main]  from main::@1
  (struct Point*) main::SCREEN#0 ← ((struct Point*)) (number) $400
  (byte) main::i1#0 ← (byte) 0
  to:main::@3
main::@3: scope:[main]  from main::@2 main::@3
  (byte) main::i1#2 ← phi( main::@2/(byte) main::i1#0 main::@3/(byte) main::i1#1 )
  (byte~) main::$3 ← (byte) main::i1#2 * (const byte) SIZEOF_STRUCT_POINT
  (byte*) main::$6 ← (byte*)(struct Point*) main::SCREEN#0 + (const byte) OFFSET_STRUCT_POINT_X
  (byte*) main::$7 ← (byte*)(struct Point[2]) points#0 + (const byte) OFFSET_STRUCT_POINT_X
  *((byte*) main::$6 + (byte~) main::$3) ← *((byte*) main::$7 + (byte~) main::$3)
  (byte*) main::$8 ← (byte*)(struct Point*) main::SCREEN#0 + (const byte) OFFSET_STRUCT_POINT_Y
  (byte*) main::$9 ← (byte*)(struct Point[2]) points#0 + (const byte) OFFSET_STRUCT_POINT_Y
  *((byte*) main::$8 + (byte~) main::$3) ← *((byte*) main::$9 + (byte~) main::$3)
  (byte) main::i1#1 ← (byte) main::i1#2 + rangenext(0,1)
  (bool~) main::$1 ← (byte) main::i1#1 != rangelast(0,1)
  if((bool~) main::$1) goto main::@3
  to:main::@return
main::@return: scope:[main]  from main::@3
  return 
  to:@return
@1: scope:[]  from @begin
  call main 
  to:@2
@2: scope:[]  from @1
  to:@end
@end: scope:[]  from @2

SYMBOL TABLE SSA
(label) @1
(label) @2
(label) @begin
(label) @end
(const byte) OFFSET_STRUCT_POINT_X = (byte) 0
(const byte) OFFSET_STRUCT_POINT_Y = (byte) 1
(byte) Point::x
(byte) Point::y
(const byte) SIZEOF_STRUCT_POINT = (byte) 2
(void()) main()
(bool~) main::$0
(bool~) main::$1
(byte~) main::$2
(byte~) main::$3
(byte*) main::$4
(byte*) main::$5
(byte*) main::$6
(byte*) main::$7
(byte*) main::$8
(byte*) main::$9
(label) main::@1
(label) main::@2
(label) main::@3
(label) main::@return
(struct Point*) main::SCREEN
(struct Point*) main::SCREEN#0
(byte) main::i
(byte) main::i#0
(byte) main::i#1
(byte) main::i#2
(byte) main::i1
(byte) main::i1#0
(byte) main::i1#1
(byte) main::i1#2
(struct Point[2]) points
(struct Point[2]) points#0

Adding number conversion cast (unumber) 2 in *((byte*) main::$4 + (byte~) main::$2) ← (number) 2
Successful SSA optimization PassNAddNumberTypeConversions
Inlining cast *((byte*) main::$4 + (byte~) main::$2) ← (unumber)(number) 2
Inlining cast (struct Point*) main::SCREEN#0 ← (struct Point*)(number) $400
Successful SSA optimization Pass2InlineCast
Simplifying constant integer cast 2
Simplifying constant pointer cast (struct Point*) 1024
Successful SSA optimization PassNCastSimplification
Finalized unsigned number type (byte) 2
Successful SSA optimization PassNFinalizeNumberTypeConversions
Simple Condition (bool~) main::$0 [10] if((byte) main::i#1!=rangelast(0,1)) goto main::@1
Simple Condition (bool~) main::$1 [23] if((byte) main::i1#1!=rangelast(0,1)) goto main::@3
Successful SSA optimization Pass2ConditionalJumpSimplification
Constant right-side identified [0] (struct Point[2]) points#0 ← { fill( 2, 0) }
Successful SSA optimization Pass2ConstantRValueConsolidation
Constant (const struct Point[2]) points#0 = { fill( 2, 0) }
Constant (const byte) main::i#0 = 0
Constant (const struct Point*) main::SCREEN#0 = (struct Point*) 1024
Constant (const byte) main::i1#0 = 0
Successful SSA optimization Pass2ConstantIdentification
Constant value identified (byte*)points#0 in [4] (byte*) main::$4 ← (byte*)(const struct Point[2]) points#0 + (const byte) OFFSET_STRUCT_POINT_X
Constant value identified (byte*)points#0 in [6] (byte*) main::$5 ← (byte*)(const struct Point[2]) points#0 + (const byte) OFFSET_STRUCT_POINT_Y
Constant value identified (byte*)main::SCREEN#0 in [15] (byte*) main::$6 ← (byte*)(const struct Point*) main::SCREEN#0 + (const byte) OFFSET_STRUCT_POINT_X
Constant value identified (byte*)points#0 in [16] (byte*) main::$7 ← (byte*)(const struct Point[2]) points#0 + (const byte) OFFSET_STRUCT_POINT_X
Constant value identified (byte*)main::SCREEN#0 in [18] (byte*) main::$8 ← (byte*)(const struct Point*) main::SCREEN#0 + (const byte) OFFSET_STRUCT_POINT_Y
Constant value identified (byte*)points#0 in [19] (byte*) main::$9 ← (byte*)(const struct Point[2]) points#0 + (const byte) OFFSET_STRUCT_POINT_Y
Successful SSA optimization Pass2ConstantValues
Resolved ranged next value [8] main::i#1 ← ++ main::i#2 to ++
Resolved ranged comparison value [10] if(main::i#1!=rangelast(0,1)) goto main::@1 to (number) 2
Resolved ranged next value [21] main::i1#1 ← ++ main::i1#2 to ++
Resolved ranged comparison value [23] if(main::i1#1!=rangelast(0,1)) goto main::@3 to (number) 2
Simplifying expression containing zero (byte*)points#0 in [4] (byte*) main::$4 ← (byte*)(const struct Point[2]) points#0 + (const byte) OFFSET_STRUCT_POINT_X
Simplifying expression containing zero (byte*)main::SCREEN#0 in [15] (byte*) main::$6 ← (byte*)(const struct Point*) main::SCREEN#0 + (const byte) OFFSET_STRUCT_POINT_X
Simplifying expression containing zero (byte*)points#0 in [16] (byte*) main::$7 ← (byte*)(const struct Point[2]) points#0 + (const byte) OFFSET_STRUCT_POINT_X
Successful SSA optimization PassNSimplifyExpressionWithZero
Eliminating unused constant (const byte) OFFSET_STRUCT_POINT_X
Successful SSA optimization PassNEliminateUnusedVars
Adding number conversion cast (unumber) 2 in if((byte) main::i#1!=(number) 2) goto main::@1
Adding number conversion cast (unumber) 2 in if((byte) main::i1#1!=(number) 2) goto main::@3
Successful SSA optimization PassNAddNumberTypeConversions
Simplifying constant integer cast 2
Simplifying constant integer cast 2
Successful SSA optimization PassNCastSimplification
Finalized unsigned number type (byte) 2
Finalized unsigned number type (byte) 2
Successful SSA optimization PassNFinalizeNumberTypeConversions
Constant right-side identified [4] (byte*) main::$5 ← (byte*)(const struct Point[2]) points#0 + (const byte) OFFSET_STRUCT_POINT_Y
Constant right-side identified [13] (byte*) main::$8 ← (byte*)(const struct Point*) main::SCREEN#0 + (const byte) OFFSET_STRUCT_POINT_Y
Constant right-side identified [14] (byte*) main::$9 ← (byte*)(const struct Point[2]) points#0 + (const byte) OFFSET_STRUCT_POINT_Y
Successful SSA optimization Pass2ConstantRValueConsolidation
Constant (const byte*) main::$4 = (byte*)points#0
Constant (const byte*) main::$5 = (byte*)points#0+OFFSET_STRUCT_POINT_Y
Constant (const byte*) main::$6 = (byte*)main::SCREEN#0
Constant (const byte*) main::$7 = (byte*)points#0
Constant (const byte*) main::$8 = (byte*)main::SCREEN#0+OFFSET_STRUCT_POINT_Y
Constant (const byte*) main::$9 = (byte*)points#0+OFFSET_STRUCT_POINT_Y
Successful SSA optimization Pass2ConstantIdentification
Rewriting multiplication to use shift [1] (byte~) main::$2 ← (byte) main::i#2 * (const byte) SIZEOF_STRUCT_POINT
Rewriting multiplication to use shift [7] (byte~) main::$3 ← (byte) main::i1#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) main::i1#0
Constant inlined main::$5 = (byte*)(const struct Point[2]) points#0+(const byte) OFFSET_STRUCT_POINT_Y
Constant inlined main::i#0 = (byte) 0
Constant inlined main::i1#0 = (byte) 0
Constant inlined main::$6 = (byte*)(const struct Point*) main::SCREEN#0
Constant inlined main::$4 = (byte*)(const struct Point[2]) points#0
Constant inlined main::$9 = (byte*)(const struct Point[2]) points#0+(const byte) OFFSET_STRUCT_POINT_Y
Constant inlined main::$7 = (byte*)(const struct Point[2]) points#0
Constant inlined main::$8 = (byte*)(const struct Point*) main::SCREEN#0+(const byte) OFFSET_STRUCT_POINT_Y
Successful SSA optimization Pass2ConstantInlining
Eliminating unused constant (const byte) SIZEOF_STRUCT_POINT
Successful SSA optimization PassNEliminateUnusedVars
Added new block during phi lifting main::@5(between main::@1 and main::@1)
Added new block during phi lifting main::@6(between main::@3 and main::@3)
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 @end
Adding NOP phi() at start of main
Adding NOP phi() at start of main::@2
CALL GRAPH
Calls in [] to main:2 

Created 2 initial phi equivalence classes
Coalesced [20] main::i1#3 ← main::i1#1
Coalesced [21] main::i#3 ← main::i#1
Coalesced down to 2 phi equivalence classes
Culled Empty Block (label) @2
Culled Empty Block (label) main::@2
Culled Empty Block (label) main::@6
Culled Empty Block (label) main::@5
Renumbering block main::@3 to main::@2
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()
main: scope:[main]  from @1
  [4] phi()
  to:main::@1
main::@1: scope:[main]  from main main::@1
  [5] (byte) main::i#2 ← phi( main/(byte) 0 main::@1/(byte) main::i#1 )
  [6] (byte~) main::$2 ← (byte) main::i#2 << (byte) 1
  [7] *((byte*)(const struct Point[2]) points#0 + (byte~) main::$2) ← (byte) 2
  [8] *((byte*)(const struct Point[2]) points#0+(const byte) OFFSET_STRUCT_POINT_Y + (byte~) main::$2) ← (byte) main::i#2
  [9] (byte) main::i#1 ← ++ (byte) main::i#2
  [10] if((byte) main::i#1!=(byte) 2) goto main::@1
  to:main::@2
main::@2: scope:[main]  from main::@1 main::@2
  [11] (byte) main::i1#2 ← phi( main::@1/(byte) 0 main::@2/(byte) main::i1#1 )
  [12] (byte~) main::$3 ← (byte) main::i1#2 << (byte) 1
  [13] *((byte*)(const struct Point*) main::SCREEN#0 + (byte~) main::$3) ← *((byte*)(const struct Point[2]) points#0 + (byte~) main::$3)
  [14] *((byte*)(const struct Point*) main::SCREEN#0+(const byte) OFFSET_STRUCT_POINT_Y + (byte~) main::$3) ← *((byte*)(const struct Point[2]) points#0+(const byte) OFFSET_STRUCT_POINT_Y + (byte~) main::$3)
  [15] (byte) main::i1#1 ← ++ (byte) main::i1#2
  [16] if((byte) main::i1#1!=(byte) 2) goto main::@2
  to:main::@return
main::@return: scope:[main]  from main::@2
  [17] return 
  to:@return


VARIABLE REGISTER WEIGHTS
(byte) Point::x
(byte) Point::y
(void()) main()
(byte~) main::$2 16.5
(byte~) main::$3 27.5
(struct Point*) main::SCREEN
(byte) main::i
(byte) main::i#1 16.5
(byte) main::i#2 11.0
(byte) main::i1
(byte) main::i1#1 16.5
(byte) main::i1#2 8.25
(struct Point[2]) points

Initial phi equivalence classes
[ main::i#2 main::i#1 ]
[ main::i1#2 main::i1#1 ]
Added variable main::$2 to zero page equivalence class [ main::$2 ]
Added variable main::$3 to zero page equivalence class [ main::$3 ]
Complete equivalence classes
[ main::i#2 main::i#1 ]
[ main::i1#2 main::i1#1 ]
[ main::$2 ]
[ main::$3 ]
Allocated zp ZP_BYTE:2 [ main::i#2 main::i#1 ]
Allocated zp ZP_BYTE:3 [ main::i1#2 main::i1#1 ]
Allocated zp ZP_BYTE:4 [ main::$2 ]
Allocated zp ZP_BYTE:5 [ main::$3 ]

INITIAL ASM
Target platform is c64basic
  // File Comments
// Minimal struct -  array access with struct value copying (and initializing)
  // Upstart
.pc = $801 "Basic"
:BasicUpstart(bbegin)
.pc = $80d "Program"
  // Global Constants & labels
  .const OFFSET_STRUCT_POINT_Y = 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: {
    .label SCREEN = $400
    .label _2 = 4
    .label _3 = 5
    .label i = 2
    .label i1 = 3
    // [5] phi from main to main::@1 [phi:main->main::@1]
  b1_from_main:
    // [5] phi (byte) main::i#2 = (byte) 0 [phi:main->main::@1#0] -- vbuz1=vbuc1 
    lda #0
    sta.z i
    jmp b1
    // [5] phi from main::@1 to main::@1 [phi:main::@1->main::@1]
  b1_from_b1:
    // [5] phi (byte) main::i#2 = (byte) main::i#1 [phi:main::@1->main::@1#0] -- register_copy 
    jmp b1
    // main::@1
  b1:
    // [6] (byte~) main::$2 ← (byte) main::i#2 << (byte) 1 -- vbuz1=vbuz2_rol_1 
    lda.z i
    asl
    sta.z _2
    // [7] *((byte*)(const struct Point[2]) points#0 + (byte~) main::$2) ← (byte) 2 -- pbuc1_derefidx_vbuz1=vbuc2 
    lda #2
    ldy.z _2
    sta points,y
    // [8] *((byte*)(const struct Point[2]) points#0+(const byte) OFFSET_STRUCT_POINT_Y + (byte~) main::$2) ← (byte) main::i#2 -- pbuc1_derefidx_vbuz1=vbuz2 
    lda.z i
    ldy.z _2
    sta points+OFFSET_STRUCT_POINT_Y,y
    // [9] (byte) main::i#1 ← ++ (byte) main::i#2 -- vbuz1=_inc_vbuz1 
    inc.z i
    // [10] if((byte) main::i#1!=(byte) 2) goto main::@1 -- vbuz1_neq_vbuc1_then_la1 
    lda #2
    cmp.z i
    bne b1_from_b1
    // [11] phi from main::@1 to main::@2 [phi:main::@1->main::@2]
  b2_from_b1:
    // [11] phi (byte) main::i1#2 = (byte) 0 [phi:main::@1->main::@2#0] -- vbuz1=vbuc1 
    lda #0
    sta.z i1
    jmp b2
    // [11] phi from main::@2 to main::@2 [phi:main::@2->main::@2]
  b2_from_b2:
    // [11] phi (byte) main::i1#2 = (byte) main::i1#1 [phi:main::@2->main::@2#0] -- register_copy 
    jmp b2
    // main::@2
  b2:
    // [12] (byte~) main::$3 ← (byte) main::i1#2 << (byte) 1 -- vbuz1=vbuz2_rol_1 
    lda.z i1
    asl
    sta.z _3
    // [13] *((byte*)(const struct Point*) main::SCREEN#0 + (byte~) main::$3) ← *((byte*)(const struct Point[2]) points#0 + (byte~) main::$3) -- pbuc1_derefidx_vbuz1=pbuc2_derefidx_vbuz1 
    ldy.z _3
    lda points,y
    sta SCREEN,y
    // [14] *((byte*)(const struct Point*) main::SCREEN#0+(const byte) OFFSET_STRUCT_POINT_Y + (byte~) main::$3) ← *((byte*)(const struct Point[2]) points#0+(const byte) OFFSET_STRUCT_POINT_Y + (byte~) main::$3) -- pbuc1_derefidx_vbuz1=pbuc2_derefidx_vbuz1 
    ldy.z _3
    lda points+OFFSET_STRUCT_POINT_Y,y
    sta SCREEN+OFFSET_STRUCT_POINT_Y,y
    // [15] (byte) main::i1#1 ← ++ (byte) main::i1#2 -- vbuz1=_inc_vbuz1 
    inc.z i1
    // [16] if((byte) main::i1#1!=(byte) 2) goto main::@2 -- vbuz1_neq_vbuc1_then_la1 
    lda #2
    cmp.z i1
    bne b2_from_b2
    jmp breturn
    // main::@return
  breturn:
    // [17] return 
    rts
}
  // File Data
  points: .fill 2*2, 0

REGISTER UPLIFT POTENTIAL REGISTERS
Statement [6] (byte~) main::$2 ← (byte) main::i#2 << (byte) 1 [ main::i#2 main::$2 ] ( main:2 [ main::i#2 main::$2 ] ) always clobbers reg byte a 
Removing always clobbered register reg byte a as potential for zp ZP_BYTE:2 [ main::i#2 main::i#1 ]
Statement [7] *((byte*)(const struct Point[2]) points#0 + (byte~) main::$2) ← (byte) 2 [ main::i#2 main::$2 ] ( main:2 [ main::i#2 main::$2 ] ) always clobbers reg byte a 
Removing always clobbered register reg byte a as potential for zp ZP_BYTE:4 [ main::$2 ]
Statement [8] *((byte*)(const struct Point[2]) points#0+(const byte) OFFSET_STRUCT_POINT_Y + (byte~) main::$2) ← (byte) main::i#2 [ main::i#2 ] ( main:2 [ main::i#2 ] ) always clobbers reg byte a 
Statement [12] (byte~) main::$3 ← (byte) main::i1#2 << (byte) 1 [ main::i1#2 main::$3 ] ( main:2 [ main::i1#2 main::$3 ] ) always clobbers reg byte a 
Removing always clobbered register reg byte a as potential for zp ZP_BYTE:3 [ main::i1#2 main::i1#1 ]
Statement [13] *((byte*)(const struct Point*) main::SCREEN#0 + (byte~) main::$3) ← *((byte*)(const struct Point[2]) points#0 + (byte~) main::$3) [ main::i1#2 main::$3 ] ( main:2 [ main::i1#2 main::$3 ] ) always clobbers reg byte a 
Removing always clobbered register reg byte a as potential for zp ZP_BYTE:5 [ main::$3 ]
Statement [14] *((byte*)(const struct Point*) main::SCREEN#0+(const byte) OFFSET_STRUCT_POINT_Y + (byte~) main::$3) ← *((byte*)(const struct Point[2]) points#0+(const byte) OFFSET_STRUCT_POINT_Y + (byte~) main::$3) [ main::i1#2 ] ( main:2 [ main::i1#2 ] ) always clobbers reg byte a 
Statement [6] (byte~) main::$2 ← (byte) main::i#2 << (byte) 1 [ main::i#2 main::$2 ] ( main:2 [ main::i#2 main::$2 ] ) always clobbers reg byte a 
Statement [7] *((byte*)(const struct Point[2]) points#0 + (byte~) main::$2) ← (byte) 2 [ main::i#2 main::$2 ] ( main:2 [ main::i#2 main::$2 ] ) always clobbers reg byte a 
Statement [8] *((byte*)(const struct Point[2]) points#0+(const byte) OFFSET_STRUCT_POINT_Y + (byte~) main::$2) ← (byte) main::i#2 [ main::i#2 ] ( main:2 [ main::i#2 ] ) always clobbers reg byte a 
Statement [12] (byte~) main::$3 ← (byte) main::i1#2 << (byte) 1 [ main::i1#2 main::$3 ] ( main:2 [ main::i1#2 main::$3 ] ) always clobbers reg byte a 
Statement [13] *((byte*)(const struct Point*) main::SCREEN#0 + (byte~) main::$3) ← *((byte*)(const struct Point[2]) points#0 + (byte~) main::$3) [ main::i1#2 main::$3 ] ( main:2 [ main::i1#2 main::$3 ] ) always clobbers reg byte a 
Statement [14] *((byte*)(const struct Point*) main::SCREEN#0+(const byte) OFFSET_STRUCT_POINT_Y + (byte~) main::$3) ← *((byte*)(const struct Point[2]) points#0+(const byte) OFFSET_STRUCT_POINT_Y + (byte~) main::$3) [ main::i1#2 ] ( main:2 [ main::i1#2 ] ) always clobbers reg byte a 
Potential registers zp ZP_BYTE:2 [ main::i#2 main::i#1 ] : zp ZP_BYTE:2 , reg byte x , reg byte y , 
Potential registers zp ZP_BYTE:3 [ main::i1#2 main::i1#1 ] : zp ZP_BYTE:3 , reg byte x , reg byte y , 
Potential registers zp ZP_BYTE:4 [ main::$2 ] : zp ZP_BYTE:4 , reg byte x , reg byte y , 
Potential registers zp ZP_BYTE:5 [ main::$3 ] : zp ZP_BYTE:5 , reg byte x , reg byte y , 

REGISTER UPLIFT SCOPES
Uplift Scope [main] 27.5: zp ZP_BYTE:2 [ main::i#2 main::i#1 ] 27.5: zp ZP_BYTE:5 [ main::$3 ] 24.75: zp ZP_BYTE:3 [ main::i1#2 main::i1#1 ] 16.5: zp ZP_BYTE:4 [ main::$2 ] 
Uplift Scope [Point] 
Uplift Scope [] 

Uplifting [main] best 788 combination reg byte y [ main::i#2 main::i#1 ] reg byte y [ main::$3 ] reg byte x [ main::i1#2 main::i1#1 ] reg byte x [ main::$2 ] 
Uplifting [Point] best 788 combination 
Uplifting [] best 788 combination 

ASSEMBLER BEFORE OPTIMIZATION
  // File Comments
// Minimal struct -  array access with struct value copying (and initializing)
  // Upstart
.pc = $801 "Basic"
:BasicUpstart(bbegin)
.pc = $80d "Program"
  // Global Constants & labels
  .const OFFSET_STRUCT_POINT_Y = 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: {
    .label SCREEN = $400
    // [5] phi from main to main::@1 [phi:main->main::@1]
  b1_from_main:
    // [5] phi (byte) main::i#2 = (byte) 0 [phi:main->main::@1#0] -- vbuyy=vbuc1 
    ldy #0
    jmp b1
    // [5] phi from main::@1 to main::@1 [phi:main::@1->main::@1]
  b1_from_b1:
    // [5] phi (byte) main::i#2 = (byte) main::i#1 [phi:main::@1->main::@1#0] -- register_copy 
    jmp b1
    // main::@1
  b1:
    // [6] (byte~) main::$2 ← (byte) main::i#2 << (byte) 1 -- vbuxx=vbuyy_rol_1 
    tya
    asl
    tax
    // [7] *((byte*)(const struct Point[2]) points#0 + (byte~) main::$2) ← (byte) 2 -- pbuc1_derefidx_vbuxx=vbuc2 
    lda #2
    sta points,x
    // [8] *((byte*)(const struct Point[2]) points#0+(const byte) OFFSET_STRUCT_POINT_Y + (byte~) main::$2) ← (byte) main::i#2 -- pbuc1_derefidx_vbuxx=vbuyy 
    tya
    sta points+OFFSET_STRUCT_POINT_Y,x
    // [9] (byte) main::i#1 ← ++ (byte) main::i#2 -- vbuyy=_inc_vbuyy 
    iny
    // [10] if((byte) main::i#1!=(byte) 2) goto main::@1 -- vbuyy_neq_vbuc1_then_la1 
    cpy #2
    bne b1_from_b1
    // [11] phi from main::@1 to main::@2 [phi:main::@1->main::@2]
  b2_from_b1:
    // [11] phi (byte) main::i1#2 = (byte) 0 [phi:main::@1->main::@2#0] -- vbuxx=vbuc1 
    ldx #0
    jmp b2
    // [11] phi from main::@2 to main::@2 [phi:main::@2->main::@2]
  b2_from_b2:
    // [11] phi (byte) main::i1#2 = (byte) main::i1#1 [phi:main::@2->main::@2#0] -- register_copy 
    jmp b2
    // main::@2
  b2:
    // [12] (byte~) main::$3 ← (byte) main::i1#2 << (byte) 1 -- vbuyy=vbuxx_rol_1 
    txa
    asl
    tay
    // [13] *((byte*)(const struct Point*) main::SCREEN#0 + (byte~) main::$3) ← *((byte*)(const struct Point[2]) points#0 + (byte~) main::$3) -- pbuc1_derefidx_vbuyy=pbuc2_derefidx_vbuyy 
    lda points,y
    sta SCREEN,y
    // [14] *((byte*)(const struct Point*) main::SCREEN#0+(const byte) OFFSET_STRUCT_POINT_Y + (byte~) main::$3) ← *((byte*)(const struct Point[2]) points#0+(const byte) OFFSET_STRUCT_POINT_Y + (byte~) main::$3) -- pbuc1_derefidx_vbuyy=pbuc2_derefidx_vbuyy 
    lda points+OFFSET_STRUCT_POINT_Y,y
    sta SCREEN+OFFSET_STRUCT_POINT_Y,y
    // [15] (byte) main::i1#1 ← ++ (byte) main::i1#2 -- vbuxx=_inc_vbuxx 
    inx
    // [16] if((byte) main::i1#1!=(byte) 2) goto main::@2 -- vbuxx_neq_vbuc1_then_la1 
    cpx #2
    bne b2_from_b2
    jmp breturn
    // main::@return
  breturn:
    // [17] return 
    rts
}
  // File Data
  points: .fill 2*2, 0

ASSEMBLER OPTIMIZATIONS
Removing instruction jmp b1
Removing instruction jmp bend
Removing instruction jmp b1
Removing instruction jmp b2
Removing instruction jmp breturn
Succesful ASM optimization Pass5NextJumpElimination
Replacing label b1_from_b1 with b1
Replacing label b2_from_b2 with b2
Removing instruction b1_from_bbegin:
Removing instruction b1:
Removing instruction main_from_b1:
Removing instruction bend_from_b1:
Removing instruction b1_from_b1:
Removing instruction b2_from_b2:
Succesful ASM optimization Pass5RedundantLabelElimination
Removing instruction bend:
Removing instruction b1_from_main:
Removing instruction b2_from_b1:
Removing instruction breturn:
Succesful ASM optimization Pass5UnusedLabelElimination
Updating BasicUpstart to call main directly
Removing instruction jsr main
Succesful ASM optimization Pass5SkipBegin
Removing instruction jmp b1
Removing instruction jmp b2
Succesful ASM optimization Pass5NextJumpElimination
Removing instruction bbegin:
Succesful ASM optimization Pass5UnusedLabelElimination

FINAL SYMBOL TABLE
(label) @1
(label) @begin
(label) @end
(const byte) OFFSET_STRUCT_POINT_Y OFFSET_STRUCT_POINT_Y = (byte) 1
(byte) Point::x
(byte) Point::y
(void()) main()
(byte~) main::$2 reg byte x 16.5
(byte~) main::$3 reg byte y 27.5
(label) main::@1
(label) main::@2
(label) main::@return
(struct Point*) main::SCREEN
(const struct Point*) main::SCREEN#0 SCREEN = (struct Point*) 1024
(byte) main::i
(byte) main::i#1 reg byte y 16.5
(byte) main::i#2 reg byte y 11.0
(byte) main::i1
(byte) main::i1#1 reg byte x 16.5
(byte) main::i1#2 reg byte x 8.25
(struct Point[2]) points
(const struct Point[2]) points#0 points = { fill( 2, 0) }

reg byte y [ main::i#2 main::i#1 ]
reg byte x [ main::i1#2 main::i1#1 ]
reg byte x [ main::$2 ]
reg byte y [ main::$3 ]


FINAL ASSEMBLER
Score: 626

  // File Comments
// Minimal struct -  array access with struct value copying (and initializing)
  // Upstart
.pc = $801 "Basic"
:BasicUpstart(main)
.pc = $80d "Program"
  // Global Constants & labels
  .const OFFSET_STRUCT_POINT_Y = 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: {
    .label SCREEN = $400
    // [5] phi from main to main::@1 [phi:main->main::@1]
    // [5] phi (byte) main::i#2 = (byte) 0 [phi:main->main::@1#0] -- vbuyy=vbuc1 
    ldy #0
    // [5] phi from main::@1 to main::@1 [phi:main::@1->main::@1]
    // [5] phi (byte) main::i#2 = (byte) main::i#1 [phi:main::@1->main::@1#0] -- register_copy 
    // main::@1
  b1:
    // points[i] = { 2, i }
    // [6] (byte~) main::$2 ← (byte) main::i#2 << (byte) 1 -- vbuxx=vbuyy_rol_1 
    tya
    asl
    tax
    // [7] *((byte*)(const struct Point[2]) points#0 + (byte~) main::$2) ← (byte) 2 -- pbuc1_derefidx_vbuxx=vbuc2 
    lda #2
    sta points,x
    // [8] *((byte*)(const struct Point[2]) points#0+(const byte) OFFSET_STRUCT_POINT_Y + (byte~) main::$2) ← (byte) main::i#2 -- pbuc1_derefidx_vbuxx=vbuyy 
    tya
    sta points+OFFSET_STRUCT_POINT_Y,x
    // for( byte i: 0..1)
    // [9] (byte) main::i#1 ← ++ (byte) main::i#2 -- vbuyy=_inc_vbuyy 
    iny
    // [10] if((byte) main::i#1!=(byte) 2) goto main::@1 -- vbuyy_neq_vbuc1_then_la1 
    cpy #2
    bne b1
    // [11] phi from main::@1 to main::@2 [phi:main::@1->main::@2]
    // [11] phi (byte) main::i1#2 = (byte) 0 [phi:main::@1->main::@2#0] -- vbuxx=vbuc1 
    ldx #0
    // [11] phi from main::@2 to main::@2 [phi:main::@2->main::@2]
    // [11] phi (byte) main::i1#2 = (byte) main::i1#1 [phi:main::@2->main::@2#0] -- register_copy 
    // main::@2
  b2:
    // SCREEN[i] = points[i]
    // [12] (byte~) main::$3 ← (byte) main::i1#2 << (byte) 1 -- vbuyy=vbuxx_rol_1 
    txa
    asl
    tay
    // [13] *((byte*)(const struct Point*) main::SCREEN#0 + (byte~) main::$3) ← *((byte*)(const struct Point[2]) points#0 + (byte~) main::$3) -- pbuc1_derefidx_vbuyy=pbuc2_derefidx_vbuyy 
    lda points,y
    sta SCREEN,y
    // [14] *((byte*)(const struct Point*) main::SCREEN#0+(const byte) OFFSET_STRUCT_POINT_Y + (byte~) main::$3) ← *((byte*)(const struct Point[2]) points#0+(const byte) OFFSET_STRUCT_POINT_Y + (byte~) main::$3) -- pbuc1_derefidx_vbuyy=pbuc2_derefidx_vbuyy 
    lda points+OFFSET_STRUCT_POINT_Y,y
    sta SCREEN+OFFSET_STRUCT_POINT_Y,y
    // for( byte i: 0..1)
    // [15] (byte) main::i1#1 ← ++ (byte) main::i1#2 -- vbuxx=_inc_vbuxx 
    inx
    // [16] if((byte) main::i1#1!=(byte) 2) goto main::@2 -- vbuxx_neq_vbuc1_then_la1 
    cpx #2
    bne b2
    // main::@return
    // }
    // [17] return 
    rts
}
  // File Data
  points: .fill 2*2, 0

