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

Fixing pointer array-indexing *((const struct Point*) points + (number) 0)
Fixing pointer array-indexing *((const struct Point*) points + (number) 1)
Fixing pointer array-indexing *((const struct Point*) points + (byte) main::i)
Created struct value member variable (byte) print::p_x
Created struct value member variable (byte) print::p_y
Converted struct value to member variables (struct Point) print::p
Converted procedure struct value parameter to member unwinding (void()) print((byte) print::p_x , (byte) print::p_y)
Adding struct value list initializer *((byte*~) main::$5 + (number~) main::$2) ← (number) 1
Adding struct value list initializer *((byte*~) main::$6 + (number~) main::$2) ← (number) 2
Adding struct value list initializer *((byte*~) main::$7 + (number~) main::$3) ← (number) 3
Adding struct value list initializer *((byte*~) main::$8 + (number~) main::$3) ← (number) 4
Converted procedure struct value parameter to member unwinding in call (void~) main::$0 ← call print *((byte*~) main::$9 + (byte~) main::$4) *((byte*~) main::$10 + (byte~) main::$4) 
Replacing struct member reference (struct Point) print::p.x with member unwinding reference (byte) print::p_x
Replacing struct member reference (struct Point) print::p.y with member unwinding reference (byte) print::p_y
Culled Empty Block (label) main::@2
Culled Empty Block (label) @1

CONTROL FLOW GRAPH SSA
@begin: scope:[]  from
  (byte) idx#0 ← (number) 0
  to:@2

(void()) main()
main: scope:[main]  from @2
  (byte) idx#14 ← phi( @2/(byte) idx#13 )
  (number~) main::$2 ← (number) 0 * (const byte) SIZEOF_STRUCT_POINT
  (byte*~) main::$5 ← (byte*)(const struct Point*) points + (const byte) OFFSET_STRUCT_POINT_X
  *((byte*~) main::$5 + (number~) main::$2) ← (number) 1
  (byte*~) main::$6 ← (byte*)(const struct Point*) points + (const byte) OFFSET_STRUCT_POINT_Y
  *((byte*~) main::$6 + (number~) main::$2) ← (number) 2
  (number~) main::$3 ← (number) 1 * (const byte) SIZEOF_STRUCT_POINT
  (byte*~) main::$7 ← (byte*)(const struct Point*) points + (const byte) OFFSET_STRUCT_POINT_X
  *((byte*~) main::$7 + (number~) main::$3) ← (number) 3
  (byte*~) main::$8 ← (byte*)(const struct Point*) points + (const byte) OFFSET_STRUCT_POINT_Y
  *((byte*~) main::$8 + (number~) main::$3) ← (number) 4
  (byte) main::i#0 ← (byte) 0
  to:main::@1
main::@1: scope:[main]  from main main::@3
  (byte) idx#12 ← phi( main/(byte) idx#14 main::@3/(byte) idx#1 )
  (byte) main::i#2 ← phi( main/(byte) main::i#0 main::@3/(byte) main::i#1 )
  (byte~) main::$4 ← (byte) main::i#2 * (const byte) SIZEOF_STRUCT_POINT
  (byte) print::p_x#0 ← *((byte*~) main::$9 + (byte~) main::$4)
  (byte) print::p_y#0 ← *((byte*~) main::$10 + (byte~) main::$4)
  call print 
  to:main::@3
main::@3: scope:[main]  from main::@1
  (byte) main::i#3 ← phi( main::@1/(byte) main::i#2 )
  (byte) idx#7 ← phi( main::@1/(byte) idx#5 )
  (byte) idx#1 ← (byte) idx#7
  (byte*~) main::$9 ← (byte*)(const struct Point*) points + (const byte) OFFSET_STRUCT_POINT_X
  (byte*~) main::$10 ← (byte*)(const struct Point*) points + (const byte) OFFSET_STRUCT_POINT_Y
  (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::@3
  (byte) idx#8 ← phi( main::@3/(byte) idx#1 )
  (byte) idx#2 ← (byte) idx#8
  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#9 ← phi( main::@1/(byte) idx#12 )
  (byte) print::p_x#1 ← phi( main::@1/(byte) print::p_x#0 )
  *((const byte*) SCREEN + (byte) idx#9) ← (byte) print::p_x#1
  (byte) idx#3 ← ++ (byte) idx#9
  *((const byte*) SCREEN + (byte) idx#3) ← (byte) print::p_y#1
  (byte) idx#4 ← ++ (byte) idx#3
  to:print::@return
print::@return: scope:[print]  from print
  (byte) idx#10 ← phi( print/(byte) idx#4 )
  (byte) idx#5 ← (byte) idx#10
  return 
  to:@return
@2: scope:[]  from @begin
  (byte) idx#13 ← phi( @begin/(byte) idx#0 )
  call main 
  to:@3
@3: scope:[]  from @2
  (byte) idx#11 ← phi( @2/(byte) idx#2 )
  (byte) idx#6 ← (byte) idx#11
  to:@end
@end: scope:[]  from @3

SYMBOL TABLE SSA
(label) @2
(label) @3
(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*) SCREEN = (byte*)(number) $400
(const byte) SIZEOF_STRUCT_POINT = (byte) 2
(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#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
(byte*~) main::$10
(number~) main::$2
(number~) 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::@3
(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 = { 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 (byte) idx#0 ← (number) 0
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 *((byte*~) main::$5 + (unumber~) main::$2) ← (number) 1
Adding number conversion cast (unumber) 2 in *((byte*~) main::$6 + (unumber~) main::$2) ← (number) 2
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
Adding number conversion cast (unumber) 3 in *((byte*~) main::$7 + (unumber~) main::$3) ← (number) 3
Adding number conversion cast (unumber) 4 in *((byte*~) main::$8 + (unumber~) main::$3) ← (number) 4
Successful SSA optimization PassNAddNumberTypeConversions
Inlining cast (byte) idx#0 ← (unumber)(number) 0
Inlining cast *((byte*~) main::$5 + (unumber~) main::$2) ← (unumber)(number) 1
Inlining cast *((byte*~) main::$6 + (unumber~) main::$2) ← (unumber)(number) 2
Inlining cast *((byte*~) main::$7 + (unumber~) main::$3) ← (unumber)(number) 3
Inlining cast *((byte*~) main::$8 + (unumber~) main::$3) ← (unumber)(number) 4
Successful SSA optimization Pass2InlineCast
Simplifying constant pointer cast (byte*) 1024
Simplifying constant integer cast 0
Simplifying constant integer cast 0
Simplifying constant integer cast 1
Simplifying constant integer cast 2
Simplifying constant integer cast 1
Simplifying constant integer cast 3
Simplifying constant integer cast 4
Successful SSA optimization PassNCastSimplification
Finalized unsigned number type (byte) 0
Finalized unsigned number type (byte) 0
Finalized unsigned number type (byte) 1
Finalized unsigned number type (byte) 2
Finalized unsigned number type (byte) 1
Finalized unsigned number type (byte) 3
Finalized unsigned number type (byte) 4
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 (byte) main::i#2 = (byte) main::i#3 
Alias (byte) idx#1 = (byte) idx#7 (byte) idx#8 (byte) idx#2 
Alias (byte) idx#10 = (byte) idx#4 (byte) idx#5 
Alias (byte) idx#0 = (byte) idx#13 
Alias (byte) idx#11 = (byte) idx#6 
Successful SSA optimization Pass2AliasElimination
Identical Phi Values (byte) idx#14 (byte) idx#0
Identical Phi Values (byte) idx#1 (byte) idx#10
Identical Phi Values (byte) print::p_x#1 (byte) print::p_x#0
Identical Phi Values (byte) idx#9 (byte) idx#12
Identical Phi Values (byte) print::p_y#1 (byte) print::p_y#0
Identical Phi Values (byte) idx#11 (byte) idx#1
Successful SSA optimization Pass2IdenticalPhiElimination
Simple Condition (bool~) main::$1 [24] if((byte) main::i#1!=rangelast(0,1)) goto main::@1
Successful SSA optimization Pass2ConditionalJumpSimplification
Constant right-side identified [2] (byte~) main::$2 ← (byte) 0 * (const byte) SIZEOF_STRUCT_POINT
Constant right-side identified [3] (byte*~) main::$5 ← (byte*)(const struct Point*) points + (const byte) OFFSET_STRUCT_POINT_X
Constant right-side identified [5] (byte*~) main::$6 ← (byte*)(const struct Point*) points + (const byte) OFFSET_STRUCT_POINT_Y
Constant right-side identified [7] (byte~) main::$3 ← (byte) 1 * (const byte) SIZEOF_STRUCT_POINT
Constant right-side identified [8] (byte*~) main::$7 ← (byte*)(const struct Point*) points + (const byte) OFFSET_STRUCT_POINT_X
Constant right-side identified [10] (byte*~) main::$8 ← (byte*)(const struct Point*) points + (const byte) OFFSET_STRUCT_POINT_Y
Constant right-side identified [20] (byte*~) main::$9 ← (byte*)(const struct Point*) points + (const byte) OFFSET_STRUCT_POINT_X
Constant right-side identified [21] (byte*~) main::$10 ← (byte*)(const struct Point*) points + (const byte) OFFSET_STRUCT_POINT_Y
Successful SSA optimization Pass2ConstantRValueConsolidation
Constant (const byte) idx#0 = 0
Constant (const byte) main::$2 = 0*SIZEOF_STRUCT_POINT
Constant (const byte*) main::$5 = (byte*)points+OFFSET_STRUCT_POINT_X
Constant (const byte*) main::$6 = (byte*)points+OFFSET_STRUCT_POINT_Y
Constant (const byte) main::$3 = 1*SIZEOF_STRUCT_POINT
Constant (const byte*) main::$7 = (byte*)points+OFFSET_STRUCT_POINT_X
Constant (const byte*) main::$8 = (byte*)points+OFFSET_STRUCT_POINT_Y
Constant (const byte) main::i#0 = 0
Constant (const byte*) main::$9 = (byte*)points+OFFSET_STRUCT_POINT_X
Constant (const byte*) main::$10 = (byte*)points+OFFSET_STRUCT_POINT_Y
Successful SSA optimization Pass2ConstantIdentification
Resolved ranged next value [22] main::i#1 ← ++ main::i#2 to ++
Resolved ranged comparison value [24] 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 (byte*)points in 
Simplifying expression containing zero (byte*)points in 
Simplifying expression containing zero (byte*)points in 
Simplifying expression containing zero main::$5 in [4] *((const byte*) main::$5 + (const byte) main::$2) ← (byte) 1
Simplifying expression containing zero main::$6 in [6] *((const byte*) main::$6 + (const byte) main::$2) ← (byte) 2
Successful SSA optimization PassNSimplifyExpressionWithZero
Eliminating unused constant (const byte) main::$2
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
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 [5] (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#0
Constant inlined main::$5 = (byte*)(const struct Point*) points
Constant inlined main::i#0 = (byte) 0
Constant inlined main::$6 = (byte*)(const struct Point*) points+(const byte) OFFSET_STRUCT_POINT_Y
Constant inlined main::$3 = (byte) 1*(const byte) SIZEOF_STRUCT_POINT
Constant inlined main::$9 = (byte*)(const struct Point*) points
Constant inlined idx#0 = (byte) 0
Constant inlined main::$7 = (byte*)(const struct Point*) points
Constant inlined main::$10 = (byte*)(const struct Point*) points+(const byte) OFFSET_STRUCT_POINT_Y
Constant inlined main::$8 = (byte*)(const struct Point*) points+(const byte) OFFSET_STRUCT_POINT_Y
Successful SSA optimization Pass2ConstantInlining
Consolidated array index constant in *((byte*)points+1*SIZEOF_STRUCT_POINT)
Consolidated array index constant in *((byte*)points+OFFSET_STRUCT_POINT_Y+1*SIZEOF_STRUCT_POINT)
Successful SSA optimization Pass2ConstantAdditionElimination
Added new block during phi lifting main::@4(between main::@3 and main::@1)
Adding NOP phi() at start of @begin
Adding NOP phi() at start of @2
Adding NOP phi() at start of @3
Adding NOP phi() at start of @end
CALL GRAPH
Calls in [] to main:2 
Calls in [main] to print:13 

Created 2 initial phi equivalence classes
Coalesced [17] main::i#4 ← main::i#1
Coalesced [18] idx#15 ← idx#10
Coalesced down to 2 phi equivalence classes
Culled Empty Block (label) @3
Culled Empty Block (label) main::@4
Renumbering block @2 to @1
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

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] *((byte*)(const struct Point*) points) ← (byte) 1
  [5] *((byte*)(const struct Point*) points+(const byte) OFFSET_STRUCT_POINT_Y) ← (byte) 2
  [6] *((byte*)(const struct Point*) points+(byte) 1*(const byte) SIZEOF_STRUCT_POINT) ← (byte) 3
  [7] *((byte*)(const struct Point*) points+(const byte) OFFSET_STRUCT_POINT_Y+(byte) 1*(const byte) SIZEOF_STRUCT_POINT) ← (byte) 4
  to:main::@1
main::@1: scope:[main]  from main main::@2
  [8] (byte) idx#12 ← phi( main/(byte) 0 main::@2/(byte) idx#10 )
  [8] (byte) main::i#2 ← phi( main/(byte) 0 main::@2/(byte) main::i#1 )
  [9] (byte~) main::$4 ← (byte) main::i#2 << (byte) 1
  [10] (byte) print::p_x#0 ← *((byte*)(const struct Point*) points + (byte~) main::$4)
  [11] (byte) print::p_y#0 ← *((byte*)(const struct Point*) points+(const byte) OFFSET_STRUCT_POINT_Y + (byte~) main::$4)
  [12] call print 
  to:main::@2
main::@2: scope:[main]  from main::@1
  [13] (byte) main::i#1 ← ++ (byte) main::i#2
  [14] if((byte) main::i#1!=(byte) 2) goto main::@1
  to:main::@return
main::@return: scope:[main]  from main::@2
  [15] return 
  to:@return

(void()) print((byte) print::p_x , (byte) print::p_y)
print: scope:[print]  from main::@1
  [16] *((const byte*) SCREEN + (byte) idx#12) ← (byte) print::p_x#0
  [17] (byte) idx#3 ← ++ (byte) idx#12
  [18] *((const byte*) SCREEN + (byte) idx#3) ← (byte) print::p_y#0
  [19] (byte) idx#10 ← ++ (byte) idx#3
  to:print::@return
print::@return: scope:[print]  from print
  [20] return 
  to:@return


VARIABLE REGISTER WEIGHTS
(byte) Point::x
(byte) Point::y
(byte) idx
(byte) idx#10 2.6
(byte) idx#12 3.0
(byte) idx#3 3.0
(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 6.5
(byte) print::p_y
(byte) print::p_y#0 4.333333333333333

Initial phi equivalence classes
[ main::i#2 main::i#1 ]
[ idx#12 idx#10 ]
Added variable main::$4 to zero page equivalence class [ main::$4 ]
Added variable print::p_x#0 to zero page equivalence class [ print::p_x#0 ]
Added variable print::p_y#0 to zero page equivalence class [ print::p_y#0 ]
Added variable idx#3 to zero page equivalence class [ idx#3 ]
Complete equivalence classes
[ main::i#2 main::i#1 ]
[ idx#12 idx#10 ]
[ main::$4 ]
[ print::p_x#0 ]
[ print::p_y#0 ]
[ idx#3 ]
Allocated zp[1]:2 [ main::i#2 main::i#1 ]
Allocated zp[1]:3 [ idx#12 idx#10 ]
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#3 ]

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(__bbegin)
.pc = $80d "Program"
  // Global Constants & labels
  .label SCREEN = $400
  .const SIZEOF_STRUCT_POINT = 2
  .const OFFSET_STRUCT_POINT_Y = 1
  .label idx = 7
  .label idx_1 = 3
  // @begin
__bbegin:
  // [1] phi from @begin to @1 [phi:@begin->@1]
__b1_from___bbegin:
  jmp __b1
  // @1
__b1:
  // [2] call main 
  jsr main
  // [3] phi from @1 to @end [phi:@1->@end]
__bend_from___b1:
  jmp __bend
  // @end
__bend:
  // main
main: {
    .label __4 = 4
    .label i = 2
    // [4] *((byte*)(const struct Point*) points) ← (byte) 1 -- _deref_pbuc1=vbuc2 
    lda #1
    sta points
    // [5] *((byte*)(const struct Point*) points+(const byte) OFFSET_STRUCT_POINT_Y) ← (byte) 2 -- _deref_pbuc1=vbuc2 
    lda #2
    sta points+OFFSET_STRUCT_POINT_Y
    // [6] *((byte*)(const struct Point*) points+(byte) 1*(const byte) SIZEOF_STRUCT_POINT) ← (byte) 3 -- _deref_pbuc1=vbuc2 
    lda #3
    sta points+1*SIZEOF_STRUCT_POINT
    // [7] *((byte*)(const struct Point*) points+(const byte) OFFSET_STRUCT_POINT_Y+(byte) 1*(const byte) SIZEOF_STRUCT_POINT) ← (byte) 4 -- _deref_pbuc1=vbuc2 
    lda #4
    sta points+OFFSET_STRUCT_POINT_Y+1*SIZEOF_STRUCT_POINT
    // [8] phi from main to main::@1 [phi:main->main::@1]
  __b1_from_main:
    // [8] phi (byte) idx#12 = (byte) 0 [phi:main->main::@1#0] -- vbuz1=vbuc1 
    lda #0
    sta.z idx_1
    // [8] phi (byte) main::i#2 = (byte) 0 [phi:main->main::@1#1] -- vbuz1=vbuc1 
    lda #0
    sta.z i
    jmp __b1
    // [8] phi from main::@2 to main::@1 [phi:main::@2->main::@1]
  __b1_from___b2:
    // [8] phi (byte) idx#12 = (byte) idx#10 [phi:main::@2->main::@1#0] -- register_copy 
    // [8] phi (byte) main::i#2 = (byte) main::i#1 [phi:main::@2->main::@1#1] -- register_copy 
    jmp __b1
    // main::@1
  __b1:
    // [9] (byte~) main::$4 ← (byte) main::i#2 << (byte) 1 -- vbuz1=vbuz2_rol_1 
    lda.z i
    asl
    sta.z __4
    // [10] (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
    // [11] (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
    // [12] call print 
    jsr print
    jmp __b2
    // main::@2
  __b2:
    // [13] (byte) main::i#1 ← ++ (byte) main::i#2 -- vbuz1=_inc_vbuz1 
    inc.z i
    // [14] 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:
    // [15] return 
    rts
}
  // print
// print(byte zeropage(5) p_x, byte zeropage(6) p_y)
print: {
    .label p_x = 5
    .label p_y = 6
    // [16] *((const byte*) SCREEN + (byte) idx#12) ← (byte) print::p_x#0 -- pbuc1_derefidx_vbuz1=vbuz2 
    lda.z p_x
    ldy.z idx_1
    sta SCREEN,y
    // [17] (byte) idx#3 ← ++ (byte) idx#12 -- vbuz1=_inc_vbuz2 
    ldy.z idx_1
    iny
    sty.z idx
    // [18] *((const byte*) SCREEN + (byte) idx#3) ← (byte) print::p_y#0 -- pbuc1_derefidx_vbuz1=vbuz2 
    lda.z p_y
    ldy.z idx
    sta SCREEN,y
    // [19] (byte) idx#10 ← ++ (byte) idx#3 -- vbuz1=_inc_vbuz2 
    ldy.z idx
    iny
    sty.z idx_1
    jmp __breturn
    // print::@return
  __breturn:
    // [20] return 
    rts
}
  // File Data
  points: .fill 2*2, 0

REGISTER UPLIFT POTENTIAL REGISTERS
Statement [4] *((byte*)(const struct Point*) points) ← (byte) 1 [ ] ( main:2 [ ] ) always clobbers reg byte a 
Statement [5] *((byte*)(const struct Point*) points+(const byte) OFFSET_STRUCT_POINT_Y) ← (byte) 2 [ ] ( main:2 [ ] ) always clobbers reg byte a 
Statement [6] *((byte*)(const struct Point*) points+(byte) 1*(const byte) SIZEOF_STRUCT_POINT) ← (byte) 3 [ ] ( main:2 [ ] ) always clobbers reg byte a 
Statement [7] *((byte*)(const struct Point*) points+(const byte) OFFSET_STRUCT_POINT_Y+(byte) 1*(const byte) SIZEOF_STRUCT_POINT) ← (byte) 4 [ ] ( main:2 [ ] ) always clobbers reg byte a 
Statement [9] (byte~) main::$4 ← (byte) main::i#2 << (byte) 1 [ main::i#2 idx#12 main::$4 ] ( main:2 [ main::i#2 idx#12 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#12 idx#10 ]
Statement [4] *((byte*)(const struct Point*) points) ← (byte) 1 [ ] ( main:2 [ ] ) always clobbers reg byte a 
Statement [5] *((byte*)(const struct Point*) points+(const byte) OFFSET_STRUCT_POINT_Y) ← (byte) 2 [ ] ( main:2 [ ] ) always clobbers reg byte a 
Statement [6] *((byte*)(const struct Point*) points+(byte) 1*(const byte) SIZEOF_STRUCT_POINT) ← (byte) 3 [ ] ( main:2 [ ] ) always clobbers reg byte a 
Statement [7] *((byte*)(const struct Point*) points+(const byte) OFFSET_STRUCT_POINT_Y+(byte) 1*(const byte) SIZEOF_STRUCT_POINT) ← (byte) 4 [ ] ( main:2 [ ] ) always clobbers reg byte a 
Statement [9] (byte~) main::$4 ← (byte) main::i#2 << (byte) 1 [ main::i#2 idx#12 main::$4 ] ( main:2 [ main::i#2 idx#12 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#12 idx#10 ] : 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#3 ] : zp[1]:7 , reg byte a , reg byte x , reg byte y , 

REGISTER UPLIFT SCOPES
Uplift Scope [main] 23.1: zp[1]:2 [ main::i#2 main::i#1 ] 16.5: zp[1]:4 [ main::$4 ] 
Uplift Scope [print] 6.5: zp[1]:5 [ print::p_x#0 ] 4.33: zp[1]:6 [ print::p_y#0 ] 
Uplift Scope [] 5.6: zp[1]:3 [ idx#12 idx#10 ] 3: zp[1]:7 [ idx#3 ] 
Uplift Scope [Point] 

Uplifting [main] best 614 combination reg byte x [ main::i#2 main::i#1 ] reg byte y [ main::$4 ] 
Uplifting [print] best 614 combination zp[1]:5 [ print::p_x#0 ] zp[1]:6 [ print::p_y#0 ] 
Uplifting [] best 605 combination zp[1]:3 [ idx#12 idx#10 ] reg byte y [ idx#3 ] 
Uplifting [Point] best 605 combination 
Attempting to uplift remaining variables inzp[1]:5 [ print::p_x#0 ]
Uplifting [print] best 605 combination zp[1]:5 [ print::p_x#0 ] 
Attempting to uplift remaining variables inzp[1]:3 [ idx#12 idx#10 ]
Uplifting [] best 605 combination zp[1]:3 [ idx#12 idx#10 ] 
Attempting to uplift remaining variables inzp[1]:6 [ print::p_y#0 ]
Uplifting [print] best 605 combination zp[1]:6 [ print::p_y#0 ] 
Allocated (was zp[1]:3) zp[1]:2 [ idx#12 idx#10 ]
Allocated (was zp[1]:5) zp[1]:3 [ print::p_x#0 ]
Allocated (was zp[1]:6) zp[1]:4 [ print::p_y#0 ]

ASSEMBLER BEFORE OPTIMIZATION
  // File Comments
// Demonstrates problem with passing struct array element as parameter to call
  // Upstart
.pc = $801 "Basic"
:BasicUpstart(__bbegin)
.pc = $80d "Program"
  // Global Constants & labels
  .label SCREEN = $400
  .const SIZEOF_STRUCT_POINT = 2
  .const OFFSET_STRUCT_POINT_Y = 1
  .label idx = 2
  // @begin
__bbegin:
  // [1] phi from @begin to @1 [phi:@begin->@1]
__b1_from___bbegin:
  jmp __b1
  // @1
__b1:
  // [2] call main 
  jsr main
  // [3] phi from @1 to @end [phi:@1->@end]
__bend_from___b1:
  jmp __bend
  // @end
__bend:
  // main
main: {
    // [4] *((byte*)(const struct Point*) points) ← (byte) 1 -- _deref_pbuc1=vbuc2 
    lda #1
    sta points
    // [5] *((byte*)(const struct Point*) points+(const byte) OFFSET_STRUCT_POINT_Y) ← (byte) 2 -- _deref_pbuc1=vbuc2 
    lda #2
    sta points+OFFSET_STRUCT_POINT_Y
    // [6] *((byte*)(const struct Point*) points+(byte) 1*(const byte) SIZEOF_STRUCT_POINT) ← (byte) 3 -- _deref_pbuc1=vbuc2 
    lda #3
    sta points+1*SIZEOF_STRUCT_POINT
    // [7] *((byte*)(const struct Point*) points+(const byte) OFFSET_STRUCT_POINT_Y+(byte) 1*(const byte) SIZEOF_STRUCT_POINT) ← (byte) 4 -- _deref_pbuc1=vbuc2 
    lda #4
    sta points+OFFSET_STRUCT_POINT_Y+1*SIZEOF_STRUCT_POINT
    // [8] phi from main to main::@1 [phi:main->main::@1]
  __b1_from_main:
    // [8] phi (byte) idx#12 = (byte) 0 [phi:main->main::@1#0] -- vbuz1=vbuc1 
    lda #0
    sta.z idx
    // [8] phi (byte) main::i#2 = (byte) 0 [phi:main->main::@1#1] -- vbuxx=vbuc1 
    ldx #0
    jmp __b1
    // [8] phi from main::@2 to main::@1 [phi:main::@2->main::@1]
  __b1_from___b2:
    // [8] phi (byte) idx#12 = (byte) idx#10 [phi:main::@2->main::@1#0] -- register_copy 
    // [8] phi (byte) main::i#2 = (byte) main::i#1 [phi:main::@2->main::@1#1] -- register_copy 
    jmp __b1
    // main::@1
  __b1:
    // [9] (byte~) main::$4 ← (byte) main::i#2 << (byte) 1 -- vbuyy=vbuxx_rol_1 
    txa
    asl
    tay
    // [10] (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
    // [11] (byte) print::p_y#0 ← *((byte*)(const struct Point*) points+(const byte) OFFSET_STRUCT_POINT_Y + (byte~) main::$4) -- vbuz1=pbuc1_derefidx_vbuyy 
    lda points+OFFSET_STRUCT_POINT_Y,y
    sta.z print.p_y
    // [12] call print 
    jsr print
    jmp __b2
    // main::@2
  __b2:
    // [13] (byte) main::i#1 ← ++ (byte) main::i#2 -- vbuxx=_inc_vbuxx 
    inx
    // [14] if((byte) main::i#1!=(byte) 2) goto main::@1 -- vbuxx_neq_vbuc1_then_la1 
    cpx #2
    bne __b1_from___b2
    jmp __breturn
    // main::@return
  __breturn:
    // [15] return 
    rts
}
  // print
// print(byte zeropage(3) p_x, byte zeropage(4) p_y)
print: {
    .label p_x = 3
    .label p_y = 4
    // [16] *((const byte*) SCREEN + (byte) idx#12) ← (byte) print::p_x#0 -- pbuc1_derefidx_vbuz1=vbuz2 
    lda.z p_x
    ldy.z idx
    sta SCREEN,y
    // [17] (byte) idx#3 ← ++ (byte) idx#12 -- vbuyy=_inc_vbuz1 
    ldy.z idx
    iny
    // [18] *((const byte*) SCREEN + (byte) idx#3) ← (byte) print::p_y#0 -- pbuc1_derefidx_vbuyy=vbuz1 
    lda.z p_y
    sta SCREEN,y
    // [19] (byte) idx#10 ← ++ (byte) idx#3 -- vbuz1=_inc_vbuyy 
    iny
    sty.z idx
    jmp __breturn
    // print::@return
  __breturn:
    // [20] 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
Removing instruction jmp __breturn
Succesful ASM optimization Pass5NextJumpElimination
Replacing instruction ldx #0 with TAX
Removing instruction ldy.z idx
Succesful ASM optimization Pass5UnnecesaryLoadElimination
Replacing label __bbegin with __b1
Replacing label __b1_from___b2 with __b1
Removing instruction __bbegin:
Removing instruction __b1_from___bbegin:
Removing instruction __bend_from___b1:
Removing instruction __b1_from___b2:
Succesful ASM optimization Pass5RedundantLabelElimination
Removing instruction __bend:
Removing instruction __b1_from_main:
Removing instruction __b2:
Removing instruction __breturn:
Removing instruction __breturn:
Succesful ASM optimization Pass5UnusedLabelElimination
Updating BasicUpstart to call main directly
Removing instruction jsr main
Succesful ASM optimization Pass5SkipBegin
Removing instruction jmp __b1
Succesful ASM optimization Pass5NextJumpElimination
Removing instruction __b1:
Succesful ASM optimization Pass5UnusedLabelElimination

FINAL SYMBOL TABLE
(label) @1
(label) @begin
(label) @end
(const byte) OFFSET_STRUCT_POINT_Y = (byte) 1
(byte) Point::x
(byte) Point::y
(const byte*) SCREEN = (byte*) 1024
(const byte) SIZEOF_STRUCT_POINT = (byte) 2
(byte) idx
(byte) idx#10 idx zp[1]:2 2.6
(byte) idx#12 idx zp[1]:2 3.0
(byte) idx#3 reg byte y 3.0
(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 reg byte x 16.5
(byte) main::i#2 reg byte x 6.6000000000000005
(const struct Point*) points = { 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 6.5
(byte) print::p_y
(byte) print::p_y#0 p_y zp[1]:4 4.333333333333333

reg byte x [ main::i#2 main::i#1 ]
zp[1]:2 [ idx#12 idx#10 ]
reg byte y [ main::$4 ]
zp[1]:3 [ print::p_x#0 ]
zp[1]:4 [ print::p_y#0 ]
reg byte y [ idx#3 ]


FINAL ASSEMBLER
Score: 467

  // 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
  .label SCREEN = $400
  .const SIZEOF_STRUCT_POINT = 2
  .const OFFSET_STRUCT_POINT_Y = 1
  .label idx = 2
  // @begin
  // [1] phi from @begin to @1 [phi:@begin->@1]
  // @1
  // [2] call main 
  // [3] phi from @1 to @end [phi:@1->@end]
  // @end
  // main
main: {
    // points[0] = { 1, 2 }
    // [4] *((byte*)(const struct Point*) points) ← (byte) 1 -- _deref_pbuc1=vbuc2 
    lda #1
    sta points
    // [5] *((byte*)(const struct Point*) points+(const byte) OFFSET_STRUCT_POINT_Y) ← (byte) 2 -- _deref_pbuc1=vbuc2 
    lda #2
    sta points+OFFSET_STRUCT_POINT_Y
    // points[1] = { 3, 4 }
    // [6] *((byte*)(const struct Point*) points+(byte) 1*(const byte) SIZEOF_STRUCT_POINT) ← (byte) 3 -- _deref_pbuc1=vbuc2 
    lda #3
    sta points+1*SIZEOF_STRUCT_POINT
    // [7] *((byte*)(const struct Point*) points+(const byte) OFFSET_STRUCT_POINT_Y+(byte) 1*(const byte) SIZEOF_STRUCT_POINT) ← (byte) 4 -- _deref_pbuc1=vbuc2 
    lda #4
    sta points+OFFSET_STRUCT_POINT_Y+1*SIZEOF_STRUCT_POINT
    // [8] phi from main to main::@1 [phi:main->main::@1]
    // [8] phi (byte) idx#12 = (byte) 0 [phi:main->main::@1#0] -- vbuz1=vbuc1 
    lda #0
    sta.z idx
    // [8] phi (byte) main::i#2 = (byte) 0 [phi:main->main::@1#1] -- vbuxx=vbuc1 
    tax
    // [8] phi from main::@2 to main::@1 [phi:main::@2->main::@1]
    // [8] phi (byte) idx#12 = (byte) idx#10 [phi:main::@2->main::@1#0] -- register_copy 
    // [8] phi (byte) main::i#2 = (byte) main::i#1 [phi:main::@2->main::@1#1] -- register_copy 
    // main::@1
  __b1:
    // print(points[i])
    // [9] (byte~) main::$4 ← (byte) main::i#2 << (byte) 1 -- vbuyy=vbuxx_rol_1 
    txa
    asl
    tay
    // [10] (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
    // [11] (byte) print::p_y#0 ← *((byte*)(const struct Point*) points+(const byte) OFFSET_STRUCT_POINT_Y + (byte~) main::$4) -- vbuz1=pbuc1_derefidx_vbuyy 
    lda points+OFFSET_STRUCT_POINT_Y,y
    sta.z print.p_y
    // [12] call print 
    jsr print
    // main::@2
    // for ( char i: 0..1)
    // [13] (byte) main::i#1 ← ++ (byte) main::i#2 -- vbuxx=_inc_vbuxx 
    inx
    // [14] if((byte) main::i#1!=(byte) 2) goto main::@1 -- vbuxx_neq_vbuc1_then_la1 
    cpx #2
    bne __b1
    // main::@return
    // }
    // [15] return 
    rts
}
  // print
// print(byte zeropage(3) p_x, byte zeropage(4) p_y)
print: {
    .label p_x = 3
    .label p_y = 4
    // SCREEN[idx++] = p.x
    // [16] *((const byte*) SCREEN + (byte) idx#12) ← (byte) print::p_x#0 -- pbuc1_derefidx_vbuz1=vbuz2 
    lda.z p_x
    ldy.z idx
    sta SCREEN,y
    // SCREEN[idx++] = p.x;
    // [17] (byte) idx#3 ← ++ (byte) idx#12 -- vbuyy=_inc_vbuz1 
    iny
    // SCREEN[idx++] = p.y
    // [18] *((const byte*) SCREEN + (byte) idx#3) ← (byte) print::p_y#0 -- pbuc1_derefidx_vbuyy=vbuz1 
    lda.z p_y
    sta SCREEN,y
    // SCREEN[idx++] = p.y;
    // [19] (byte) idx#10 ← ++ (byte) idx#3 -- vbuz1=_inc_vbuyy 
    iny
    sty.z idx
    // print::@return
    // }
    // [20] return 
    rts
}
  // File Data
  points: .fill 2*2, 0