Fixing struct type size struct Entry to 3
Fixing pointer addition (struct Entry*~) main::$0 ← (struct Entry*) ENTRIES + (number) 1
Fixing pointer addition (struct Entry*~) main::$1 ← (struct Entry*) ENTRIES + (number) 2
Rewriting struct pointer member access *((struct Entry*) main::entry0).next
Rewriting struct pointer member access *((struct Entry*) main::entry0).value
Rewriting struct pointer member access *((struct Entry*) main::entry2).next
Rewriting struct pointer member access *((struct Entry*) main::entry2).value
Rewriting struct pointer member access *((struct Entry*) main::entry1).next
Rewriting struct pointer member access *((struct Entry*) main::entry1).value
Rewriting struct pointer member access *((struct Entry*) main::entry).value
Rewriting struct pointer member access *((struct Entry*) main::entry).next
Rewriting struct pointer member access *((struct Entry*) main::entry).next
Warning! Adding boolean cast to non-boolean condition (struct Entry*) main::entry
Adding pointer type conversion cast (struct Entry*) ENTRIES in (struct Entry*) ENTRIES ← (number) $1000
Adding pointer type conversion cast (struct Entry*) *(main::$11) in *((struct Entry**) main::$11) ← (number) 0
Adding pointer type conversion cast (byte*) main::SCREEN in (byte*) main::SCREEN ← (number) $400
Identified constant variable (struct Entry*) ENTRIES
Culled Empty Block (label) main::@4
Culled Empty Block (label) main::@3
Culled Empty Block (label) main::@5
Culled Empty Block (label) main::@6

CONTROL FLOW GRAPH SSA
@begin: scope:[]  from
  (struct Entry*) ENTRIES#0 ← ((struct Entry*)) (number) $1000
  to:@1
main: scope:[main]  from @1
  (struct Entry*) main::entry0#0 ← (struct Entry*) ENTRIES#0
  (number~) main::$5 ← (number) 1 * (const byte) SIZEOF_STRUCT_ENTRY
  (struct Entry*~) main::$0 ← (struct Entry*) ENTRIES#0 + (number~) main::$5
  (struct Entry*) main::entry1#0 ← (struct Entry*~) main::$0
  (number~) main::$6 ← (number) 2 * (const byte) SIZEOF_STRUCT_ENTRY
  (struct Entry*~) main::$1 ← (struct Entry*) ENTRIES#0 + (number~) main::$6
  (struct Entry*) main::entry2#0 ← (struct Entry*~) main::$1
  (struct Entry**) main::$7 ← (struct Entry**)(struct Entry*) main::entry0#0 + (const byte) OFFSET_STRUCT_ENTRY_NEXT
  *((struct Entry**) main::$7) ← (struct Entry*) main::entry2#0
  (byte*) main::$8 ← (byte*)(struct Entry*) main::entry0#0 + (const byte) OFFSET_STRUCT_ENTRY_VALUE
  *((byte*) main::$8) ← (number) 1
  (struct Entry**) main::$9 ← (struct Entry**)(struct Entry*) main::entry2#0 + (const byte) OFFSET_STRUCT_ENTRY_NEXT
  *((struct Entry**) main::$9) ← (struct Entry*) main::entry1#0
  (byte*) main::$10 ← (byte*)(struct Entry*) main::entry2#0 + (const byte) OFFSET_STRUCT_ENTRY_VALUE
  *((byte*) main::$10) ← (number) 2
  (struct Entry**) main::$11 ← (struct Entry**)(struct Entry*) main::entry1#0 + (const byte) OFFSET_STRUCT_ENTRY_NEXT
  *((struct Entry**) main::$11) ← ((struct Entry*)) (number) 0
  (byte*) main::$12 ← (byte*)(struct Entry*) main::entry1#0 + (const byte) OFFSET_STRUCT_ENTRY_VALUE
  *((byte*) main::$12) ← (number) 3
  (byte*) main::SCREEN#0 ← ((byte*)) (number) $400
  (byte) main::idx#0 ← (number) 0
  (struct Entry*) main::entry#0 ← (struct Entry*) ENTRIES#0
  to:main::@1
main::@1: scope:[main]  from main main::@2
  (byte) main::idx#6 ← phi( main/(byte) main::idx#0 main::@2/(byte) main::idx#4 )
  (struct Entry*) main::entry#2 ← phi( main/(struct Entry*) main::entry#0 main::@2/(struct Entry*) main::entry#1 )
  (bool~) main::$16 ← (number) 0 != (struct Entry*) main::entry#2
  if((bool~) main::$16) goto main::@2
  to:main::@return
main::@2: scope:[main]  from main::@1
  (byte) main::idx#5 ← phi( main::@1/(byte) main::idx#6 )
  (struct Entry*) main::entry#3 ← phi( main::@1/(struct Entry*) main::entry#2 )
  (byte*) main::$13 ← (byte*)(struct Entry*) main::entry#3 + (const byte) OFFSET_STRUCT_ENTRY_VALUE
  (byte~) main::$2 ← (byte) '0' + *((byte*) main::$13)
  *((byte*) main::SCREEN#0 + (byte) main::idx#5) ← (byte~) main::$2
  (byte) main::idx#1 ← ++ (byte) main::idx#5
  (struct Entry**) main::$14 ← (struct Entry**)(struct Entry*) main::entry#3 + (const byte) OFFSET_STRUCT_ENTRY_NEXT
  (struct Entry*) main::next#0 ← *((struct Entry**) main::$14)
  (byte~) main::$3 ← < (struct Entry*) main::next#0
  *((byte*) main::SCREEN#0 + (byte) main::idx#1) ← (byte~) main::$3
  (byte) main::idx#2 ← ++ (byte) main::idx#1
  (byte~) main::$4 ← > (struct Entry*) main::next#0
  *((byte*) main::SCREEN#0 + (byte) main::idx#2) ← (byte~) main::$4
  (byte) main::idx#3 ← ++ (byte) main::idx#2
  *((byte*) main::SCREEN#0 + (byte) main::idx#3) ← (byte) ' '
  (byte) main::idx#4 ← ++ (byte) main::idx#3
  (struct Entry**) main::$15 ← (struct Entry**)(struct Entry*) main::entry#3 + (const byte) OFFSET_STRUCT_ENTRY_NEXT
  (struct Entry*) main::entry#1 ← *((struct Entry**) main::$15)
  to:main::@1
main::@return: scope:[main]  from main::@1
  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
(struct Entry*) ENTRIES
(struct Entry*) ENTRIES#0
(struct Entry*) Entry::next
(byte) Entry::value
(const byte) OFFSET_STRUCT_ENTRY_NEXT = (byte) 0
(const byte) OFFSET_STRUCT_ENTRY_VALUE = (byte) 2
(const byte) SIZEOF_STRUCT_ENTRY = (byte) 3
(void()) main()
(struct Entry*~) main::$0
(struct Entry*~) main::$1
(byte*) main::$10
(struct Entry**) main::$11
(byte*) main::$12
(byte*) main::$13
(struct Entry**) main::$14
(struct Entry**) main::$15
(bool~) main::$16
(byte~) main::$2
(byte~) main::$3
(byte~) main::$4
(number~) main::$5
(number~) main::$6
(struct Entry**) main::$7
(byte*) main::$8
(struct Entry**) main::$9
(label) main::@1
(label) main::@2
(label) main::@return
(byte*) main::SCREEN
(byte*) main::SCREEN#0
(struct Entry*) main::entry
(struct Entry*) main::entry#0
(struct Entry*) main::entry#1
(struct Entry*) main::entry#2
(struct Entry*) main::entry#3
(struct Entry*) main::entry0
(struct Entry*) main::entry0#0
(struct Entry*) main::entry1
(struct Entry*) main::entry1#0
(struct Entry*) main::entry2
(struct Entry*) main::entry2#0
(byte) main::idx
(byte) main::idx#0
(byte) main::idx#1
(byte) main::idx#2
(byte) main::idx#3
(byte) main::idx#4
(byte) main::idx#5
(byte) main::idx#6
(struct Entry*) main::next
(struct Entry*) main::next#0

Adding number conversion cast (unumber) 1 in (number~) main::$5 ← (number) 1 * (const byte) SIZEOF_STRUCT_ENTRY
Adding number conversion cast (unumber) main::$5 in (number~) main::$5 ← (unumber)(number) 1 * (const byte) SIZEOF_STRUCT_ENTRY
Adding number conversion cast (unumber) 2 in (number~) main::$6 ← (number) 2 * (const byte) SIZEOF_STRUCT_ENTRY
Adding number conversion cast (unumber) main::$6 in (number~) main::$6 ← (unumber)(number) 2 * (const byte) SIZEOF_STRUCT_ENTRY
Adding number conversion cast (unumber) 1 in *((byte*) main::$8) ← (number) 1
Adding number conversion cast (unumber) 2 in *((byte*) main::$10) ← (number) 2
Adding number conversion cast (unumber) 3 in *((byte*) main::$12) ← (number) 3
Adding number conversion cast (unumber) 0 in (byte) main::idx#0 ← (number) 0
Adding number conversion cast (unumber) 0 in (bool~) main::$16 ← (number) 0 != (struct Entry*) main::entry#2
Successful SSA optimization PassNAddNumberTypeConversions
Inlining cast (struct Entry*) ENTRIES#0 ← (struct Entry*)(number) $1000
Inlining cast *((byte*) main::$8) ← (unumber)(number) 1
Inlining cast *((byte*) main::$10) ← (unumber)(number) 2
Inlining cast *((struct Entry**) main::$11) ← (struct Entry*)(number) 0
Inlining cast *((byte*) main::$12) ← (unumber)(number) 3
Inlining cast (byte*) main::SCREEN#0 ← (byte*)(number) $400
Inlining cast (byte) main::idx#0 ← (unumber)(number) 0
Successful SSA optimization Pass2InlineCast
Simplifying constant pointer cast (struct Entry*) 4096
Simplifying constant integer cast 1
Simplifying constant integer cast 2
Simplifying constant integer cast 1
Simplifying constant integer cast 2
Simplifying constant pointer cast (struct Entry*) 0
Simplifying constant integer cast 3
Simplifying constant pointer cast (byte*) 1024
Simplifying constant integer cast 0
Simplifying constant integer cast 0
Successful SSA optimization PassNCastSimplification
Finalized unsigned number type (byte) 1
Finalized unsigned number type (byte) 2
Finalized unsigned number type (byte) 1
Finalized unsigned number type (byte) 2
Finalized unsigned number type (byte) 3
Finalized unsigned number type (byte) 0
Finalized unsigned number type (byte) 0
Successful SSA optimization PassNFinalizeNumberTypeConversions
Inferred type updated to byte in (unumber~) main::$5 ← (byte) 1 * (const byte) SIZEOF_STRUCT_ENTRY
Inferred type updated to byte in (unumber~) main::$6 ← (byte) 2 * (const byte) SIZEOF_STRUCT_ENTRY
Alias (struct Entry*) main::entry1#0 = (struct Entry*~) main::$0 
Alias (struct Entry*) main::entry2#0 = (struct Entry*~) main::$1 
Alias (struct Entry*) main::entry#2 = (struct Entry*) main::entry#3 
Alias (byte) main::idx#5 = (byte) main::idx#6 
Successful SSA optimization Pass2AliasElimination
Simple Condition (bool~) main::$16 [25] if((byte) 0!=(struct Entry*) main::entry#2) goto main::@2
Successful SSA optimization Pass2ConditionalJumpSimplification
Constant right-side identified [2] (byte~) main::$5 ← (byte) 1 * (const byte) SIZEOF_STRUCT_ENTRY
Constant right-side identified [5] (byte~) main::$6 ← (byte) 2 * (const byte) SIZEOF_STRUCT_ENTRY
Successful SSA optimization Pass2ConstantRValueConsolidation
Constant (const struct Entry*) ENTRIES#0 = (struct Entry*) 4096
Constant (const byte) main::$5 = 1*SIZEOF_STRUCT_ENTRY
Constant (const byte) main::$6 = 2*SIZEOF_STRUCT_ENTRY
Constant (const byte*) main::SCREEN#0 = (byte*) 1024
Constant (const byte) main::idx#0 = 0
Successful SSA optimization Pass2ConstantIdentification
Constant (const struct Entry*) main::entry0#0 = ENTRIES#0
Constant (const struct Entry*) main::entry#0 = ENTRIES#0
Successful SSA optimization Pass2ConstantIdentification
Constant value identified (struct Entry**)main::entry0#0 in [8] (struct Entry**) main::$7 ← (struct Entry**)(const struct Entry*) main::entry0#0 + (const byte) OFFSET_STRUCT_ENTRY_NEXT
Constant value identified (byte*)main::entry0#0 in [10] (byte*) main::$8 ← (byte*)(const struct Entry*) main::entry0#0 + (const byte) OFFSET_STRUCT_ENTRY_VALUE
Successful SSA optimization Pass2ConstantValues
Converting *(pointer+n) to pointer[n] [9] *((struct Entry**) main::$7) ← (struct Entry*) main::entry2#0  -- *((struct Entry**)main::entry0#0 + OFFSET_STRUCT_ENTRY_NEXT)
Converting *(pointer+n) to pointer[n] [11] *((byte*) main::$8) ← (byte) 1  -- *((byte*)main::entry0#0 + OFFSET_STRUCT_ENTRY_VALUE)
Converting *(pointer+n) to pointer[n] [13] *((struct Entry**) main::$9) ← (struct Entry*) main::entry1#0  -- *((struct Entry**)main::entry2#0 + OFFSET_STRUCT_ENTRY_NEXT)
Converting *(pointer+n) to pointer[n] [15] *((byte*) main::$10) ← (byte) 2  -- *((byte*)main::entry2#0 + OFFSET_STRUCT_ENTRY_VALUE)
Converting *(pointer+n) to pointer[n] [17] *((struct Entry**) main::$11) ← (struct Entry*) 0  -- *((struct Entry**)main::entry1#0 + OFFSET_STRUCT_ENTRY_NEXT)
Converting *(pointer+n) to pointer[n] [19] *((byte*) main::$12) ← (byte) 3  -- *((byte*)main::entry1#0 + OFFSET_STRUCT_ENTRY_VALUE)
Converting *(pointer+n) to pointer[n] [28] (byte~) main::$2 ← (byte) '0' + *((byte*) main::$13)  -- *((byte*)main::entry#2 + OFFSET_STRUCT_ENTRY_VALUE)
Converting *(pointer+n) to pointer[n] [32] (struct Entry*) main::next#0 ← *((struct Entry**) main::$14)  -- *((struct Entry**)main::entry#2 + OFFSET_STRUCT_ENTRY_NEXT)
Converting *(pointer+n) to pointer[n] [42] (struct Entry*) main::entry#1 ← *((struct Entry**) main::$15)  -- *((struct Entry**)main::entry#2 + OFFSET_STRUCT_ENTRY_NEXT)
Successful SSA optimization Pass2InlineDerefIdx
Simplifying expression containing zero (struct Entry**)main::entry0#0 in [8] (struct Entry**) main::$7 ← (struct Entry**)(const struct Entry*) main::entry0#0 + (const byte) OFFSET_STRUCT_ENTRY_NEXT
Simplifying expression containing zero (struct Entry**)main::entry0#0 in [9] *((struct Entry**)(const struct Entry*) main::entry0#0 + (const byte) OFFSET_STRUCT_ENTRY_NEXT) ← (struct Entry*) main::entry2#0
Simplifying expression containing zero (struct Entry**)main::entry2#0 in [12] (struct Entry**) main::$9 ← (struct Entry**)(struct Entry*) main::entry2#0 + (const byte) OFFSET_STRUCT_ENTRY_NEXT
Simplifying expression containing zero (struct Entry**)main::entry2#0 in [13] *((struct Entry**)(struct Entry*) main::entry2#0 + (const byte) OFFSET_STRUCT_ENTRY_NEXT) ← (struct Entry*) main::entry1#0
Simplifying expression containing zero (struct Entry**)main::entry1#0 in [16] (struct Entry**) main::$11 ← (struct Entry**)(struct Entry*) main::entry1#0 + (const byte) OFFSET_STRUCT_ENTRY_NEXT
Simplifying expression containing zero (struct Entry**)main::entry1#0 in [17] *((struct Entry**)(struct Entry*) main::entry1#0 + (const byte) OFFSET_STRUCT_ENTRY_NEXT) ← (struct Entry*) 0
Simplifying expression containing zero (struct Entry**)main::entry#2 in [31] (struct Entry**) main::$14 ← (struct Entry**)(struct Entry*) main::entry#2 + (const byte) OFFSET_STRUCT_ENTRY_NEXT
Simplifying expression containing zero (struct Entry**)main::entry#2 in [32] (struct Entry*) main::next#0 ← *((struct Entry**)(struct Entry*) main::entry#2 + (const byte) OFFSET_STRUCT_ENTRY_NEXT)
Simplifying expression containing zero (struct Entry**)main::entry#2 in [41] (struct Entry**) main::$15 ← (struct Entry**)(struct Entry*) main::entry#2 + (const byte) OFFSET_STRUCT_ENTRY_NEXT
Simplifying expression containing zero (struct Entry**)main::entry#2 in [42] (struct Entry*) main::entry#1 ← *((struct Entry**)(struct Entry*) main::entry#2 + (const byte) OFFSET_STRUCT_ENTRY_NEXT)
Successful SSA optimization PassNSimplifyExpressionWithZero
Eliminating unused variable (struct Entry**) main::$7 and assignment [2] (struct Entry**) main::$7 ← (struct Entry**)(const struct Entry*) main::entry0#0
Eliminating unused variable (byte*) main::$8 and assignment [4] (byte*) main::$8 ← (byte*)(const struct Entry*) main::entry0#0 + (const byte) OFFSET_STRUCT_ENTRY_VALUE
Eliminating unused variable (struct Entry**) main::$9 and assignment [6] (struct Entry**) main::$9 ← (struct Entry**)(struct Entry*) main::entry2#0
Eliminating unused variable (byte*) main::$10 and assignment [8] (byte*) main::$10 ← (byte*)(struct Entry*) main::entry2#0 + (const byte) OFFSET_STRUCT_ENTRY_VALUE
Eliminating unused variable (struct Entry**) main::$11 and assignment [10] (struct Entry**) main::$11 ← (struct Entry**)(struct Entry*) main::entry1#0
Eliminating unused variable (byte*) main::$12 and assignment [12] (byte*) main::$12 ← (byte*)(struct Entry*) main::entry1#0 + (const byte) OFFSET_STRUCT_ENTRY_VALUE
Eliminating unused variable (byte*) main::$13 and assignment [16] (byte*) main::$13 ← (byte*)(struct Entry*) main::entry#2 + (const byte) OFFSET_STRUCT_ENTRY_VALUE
Eliminating unused variable (struct Entry**) main::$14 and assignment [20] (struct Entry**) main::$14 ← (struct Entry**)(struct Entry*) main::entry#2
Eliminating unused variable (struct Entry**) main::$15 and assignment [30] (struct Entry**) main::$15 ← (struct Entry**)(struct Entry*) main::entry#2
Eliminating unused constant (const byte) OFFSET_STRUCT_ENTRY_NEXT
Successful SSA optimization PassNEliminateUnusedVars
Constant right-side identified [0] (struct Entry*) main::entry1#0 ← (const struct Entry*) ENTRIES#0 + (const byte) main::$5
Constant right-side identified [1] (struct Entry*) main::entry2#0 ← (const struct Entry*) ENTRIES#0 + (const byte) main::$6
Successful SSA optimization Pass2ConstantRValueConsolidation
Constant (const struct Entry*) main::entry1#0 = ENTRIES#0+main::$5
Constant (const struct Entry*) main::entry2#0 = ENTRIES#0+main::$6
Successful SSA optimization Pass2ConstantIdentification
Constant value identified (struct Entry**)main::entry2#0 in [4] *((struct Entry**)(const struct Entry*) main::entry2#0) ← (const struct Entry*) main::entry1#0
Constant value identified (byte*)main::entry2#0 in [5] *((byte*)(const struct Entry*) main::entry2#0 + (const byte) OFFSET_STRUCT_ENTRY_VALUE) ← (byte) 2
Constant value identified (struct Entry**)main::entry1#0 in [6] *((struct Entry**)(const struct Entry*) main::entry1#0) ← (struct Entry*) 0
Constant value identified (byte*)main::entry1#0 in [7] *((byte*)(const struct Entry*) main::entry1#0 + (const byte) OFFSET_STRUCT_ENTRY_VALUE) ← (byte) 3
Successful SSA optimization Pass2ConstantValues
Inlining constant with var siblings (const byte) main::idx#0
Inlining constant with var siblings (const struct Entry*) main::entry#0
Constant inlined main::$5 = (byte) 1*(const byte) SIZEOF_STRUCT_ENTRY
Constant inlined main::$6 = (byte) 2*(const byte) SIZEOF_STRUCT_ENTRY
Constant inlined main::idx#0 = (byte) 0
Constant inlined main::entry0#0 = (const struct Entry*) ENTRIES#0
Constant inlined main::entry#0 = (const struct Entry*) ENTRIES#0
Successful SSA optimization Pass2ConstantInlining
Consolidated array index constant in *((byte*)ENTRIES#0+OFFSET_STRUCT_ENTRY_VALUE)
Consolidated array index constant in *((byte*)main::entry2#0+OFFSET_STRUCT_ENTRY_VALUE)
Consolidated array index constant in *((byte*)main::entry1#0+OFFSET_STRUCT_ENTRY_VALUE)
Successful SSA optimization Pass2ConstantAdditionElimination
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
CALL GRAPH
Calls in [] to main:2 

Created 2 initial phi equivalence classes
Coalesced [27] main::entry#4 ← main::entry#1
Coalesced [28] main::idx#7 ← main::idx#4
Coalesced down to 2 phi equivalence classes
Culled Empty Block (label) @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()
main: scope:[main]  from @1
  [4] *((struct Entry**)(const struct Entry*) ENTRIES#0) ← (const struct Entry*) main::entry2#0
  [5] *((byte*)(const struct Entry*) ENTRIES#0+(const byte) OFFSET_STRUCT_ENTRY_VALUE) ← (byte) 1
  [6] *((struct Entry**)(const struct Entry*) main::entry2#0) ← (const struct Entry*) main::entry1#0
  [7] *((byte*)(const struct Entry*) main::entry2#0+(const byte) OFFSET_STRUCT_ENTRY_VALUE) ← (byte) 2
  [8] *((struct Entry**)(const struct Entry*) main::entry1#0) ← (struct Entry*) 0
  [9] *((byte*)(const struct Entry*) main::entry1#0+(const byte) OFFSET_STRUCT_ENTRY_VALUE) ← (byte) 3
  to:main::@1
main::@1: scope:[main]  from main main::@2
  [10] (byte) main::idx#5 ← phi( main/(byte) 0 main::@2/(byte) main::idx#4 )
  [10] (struct Entry*) main::entry#2 ← phi( main/(const struct Entry*) ENTRIES#0 main::@2/(struct Entry*) main::entry#1 )
  [11] if((byte) 0!=(struct Entry*) main::entry#2) goto main::@2
  to:main::@return
main::@return: scope:[main]  from main::@1
  [12] return 
  to:@return
main::@2: scope:[main]  from main::@1
  [13] (byte~) main::$2 ← (byte) '0' + *((byte*)(struct Entry*) main::entry#2 + (const byte) OFFSET_STRUCT_ENTRY_VALUE)
  [14] *((const byte*) main::SCREEN#0 + (byte) main::idx#5) ← (byte~) main::$2
  [15] (byte) main::idx#1 ← ++ (byte) main::idx#5
  [16] (struct Entry*) main::next#0 ← *((struct Entry**)(struct Entry*) main::entry#2)
  [17] (byte~) main::$3 ← < (struct Entry*) main::next#0
  [18] *((const byte*) main::SCREEN#0 + (byte) main::idx#1) ← (byte~) main::$3
  [19] (byte) main::idx#2 ← ++ (byte) main::idx#1
  [20] (byte~) main::$4 ← > (struct Entry*) main::next#0
  [21] *((const byte*) main::SCREEN#0 + (byte) main::idx#2) ← (byte~) main::$4
  [22] (byte) main::idx#3 ← ++ (byte) main::idx#2
  [23] *((const byte*) main::SCREEN#0 + (byte) main::idx#3) ← (byte) ' '
  [24] (byte) main::idx#4 ← ++ (byte) main::idx#3
  [25] (struct Entry*) main::entry#1 ← *((struct Entry**)(struct Entry*) main::entry#2)
  to:main::@1


VARIABLE REGISTER WEIGHTS
(struct Entry*) ENTRIES
(struct Entry*) Entry::next
(byte) Entry::value
(void()) main()
(byte~) main::$2 22.0
(byte~) main::$3 22.0
(byte~) main::$4 22.0
(byte*) main::SCREEN
(struct Entry*) main::entry
(struct Entry*) main::entry#1 22.0
(struct Entry*) main::entry#2 1.5714285714285714
(struct Entry*) main::entry0
(struct Entry*) main::entry1
(struct Entry*) main::entry2
(byte) main::idx
(byte) main::idx#1 8.25
(byte) main::idx#2 11.0
(byte) main::idx#3 16.5
(byte) main::idx#4 11.0
(byte) main::idx#5 8.25
(struct Entry*) main::next
(struct Entry*) main::next#0 8.25

Initial phi equivalence classes
[ main::entry#2 main::entry#1 ]
[ main::idx#5 main::idx#4 ]
Added variable main::$2 to zero page equivalence class [ main::$2 ]
Added variable main::idx#1 to zero page equivalence class [ main::idx#1 ]
Added variable main::next#0 to zero page equivalence class [ main::next#0 ]
Added variable main::$3 to zero page equivalence class [ main::$3 ]
Added variable main::idx#2 to zero page equivalence class [ main::idx#2 ]
Added variable main::$4 to zero page equivalence class [ main::$4 ]
Added variable main::idx#3 to zero page equivalence class [ main::idx#3 ]
Complete equivalence classes
[ main::entry#2 main::entry#1 ]
[ main::idx#5 main::idx#4 ]
[ main::$2 ]
[ main::idx#1 ]
[ main::next#0 ]
[ main::$3 ]
[ main::idx#2 ]
[ main::$4 ]
[ main::idx#3 ]
Allocated zp ZP_WORD:2 [ main::entry#2 main::entry#1 ]
Allocated zp ZP_BYTE:4 [ main::idx#5 main::idx#4 ]
Allocated zp ZP_BYTE:5 [ main::$2 ]
Allocated zp ZP_BYTE:6 [ main::idx#1 ]
Allocated zp ZP_WORD:7 [ main::next#0 ]
Allocated zp ZP_BYTE:9 [ main::$3 ]
Allocated zp ZP_BYTE:10 [ main::idx#2 ]
Allocated zp ZP_BYTE:11 [ main::$4 ]
Allocated zp ZP_BYTE:12 [ main::idx#3 ]

INITIAL ASM
//SEG0 File Comments
// Minimal struct - simple linked list implemented using pointers
//SEG1 Basic Upstart
.pc = $801 "Basic"
:BasicUpstart(bbegin)
.pc = $80d "Program"
//SEG2 Global Constants & labels
  .const SIZEOF_STRUCT_ENTRY = 3
  .const OFFSET_STRUCT_ENTRY_VALUE = 2
  .label ENTRIES = $1000
//SEG3 @begin
bbegin:
//SEG4 [1] phi from @begin to @1 [phi:@begin->@1]
b1_from_bbegin:
  jmp b1
//SEG5 @1
b1:
//SEG6 [2] call main 
  jsr main
//SEG7 [3] phi from @1 to @end [phi:@1->@end]
bend_from_b1:
  jmp bend
//SEG8 @end
bend:
//SEG9 main
main: {
    // Run through the linked list
    .label SCREEN = $400
    .label entry1 = ENTRIES+1*SIZEOF_STRUCT_ENTRY
    .label entry2 = ENTRIES+2*SIZEOF_STRUCT_ENTRY
    .label _2 = 5
    .label _3 = 9
    .label _4 = $b
    .label idx = 6
    .label next = 7
    .label idx_2 = $a
    .label idx_3 = $c
    .label idx_4 = 4
    .label entry = 2
    .label idx_5 = 4
  //SEG10 [4] *((struct Entry**)(const struct Entry*) ENTRIES#0) ← (const struct Entry*) main::entry2#0 -- _deref_pptc1=pssc2 
    lda #<entry2
    sta ENTRIES
    lda #>entry2
    sta ENTRIES+1
  //SEG11 [5] *((byte*)(const struct Entry*) ENTRIES#0+(const byte) OFFSET_STRUCT_ENTRY_VALUE) ← (byte) 1 -- _deref_pbuc1=vbuc2 
    lda #1
    sta ENTRIES+OFFSET_STRUCT_ENTRY_VALUE
  //SEG12 [6] *((struct Entry**)(const struct Entry*) main::entry2#0) ← (const struct Entry*) main::entry1#0 -- _deref_pptc1=pssc2 
    lda #<entry1
    sta entry2
    lda #>entry1
    sta entry2+1
  //SEG13 [7] *((byte*)(const struct Entry*) main::entry2#0+(const byte) OFFSET_STRUCT_ENTRY_VALUE) ← (byte) 2 -- _deref_pbuc1=vbuc2 
    lda #2
    sta entry2+OFFSET_STRUCT_ENTRY_VALUE
  //SEG14 [8] *((struct Entry**)(const struct Entry*) main::entry1#0) ← (struct Entry*) 0 -- _deref_pptc1=pssc2 
    lda #<0
    sta entry1
    lda #>0
    sta entry1+1
  //SEG15 [9] *((byte*)(const struct Entry*) main::entry1#0+(const byte) OFFSET_STRUCT_ENTRY_VALUE) ← (byte) 3 -- _deref_pbuc1=vbuc2 
    lda #3
    sta entry1+OFFSET_STRUCT_ENTRY_VALUE
  //SEG16 [10] phi from main to main::@1 [phi:main->main::@1]
  b1_from_main:
  //SEG17 [10] phi (byte) main::idx#5 = (byte) 0 [phi:main->main::@1#0] -- vbuz1=vbuc1 
    lda #0
    sta idx_5
  //SEG18 [10] phi (struct Entry*) main::entry#2 = (const struct Entry*) ENTRIES#0 [phi:main->main::@1#1] -- pssz1=pssc1 
    lda #<ENTRIES
    sta entry
    lda #>ENTRIES
    sta entry+1
    jmp b1
  //SEG19 main::@1
  b1:
  //SEG20 [11] if((byte) 0!=(struct Entry*) main::entry#2) goto main::@2 -- vwuc1_neq_pssz1_then_la1 
    lda entry+1
    cmp #>0
    bne b2
    lda entry
    cmp #<0
    bne b2
    jmp breturn
  //SEG21 main::@return
  breturn:
  //SEG22 [12] return 
    rts
  //SEG23 main::@2
  b2:
  //SEG24 [13] (byte~) main::$2 ← (byte) '0' + *((byte*)(struct Entry*) main::entry#2 + (const byte) OFFSET_STRUCT_ENTRY_VALUE) -- vbuz1=vbuc1_plus_pbuz2_derefidx_vbuc2 
    lda #'0'
    ldy #OFFSET_STRUCT_ENTRY_VALUE
    clc
    adc (entry),y
    sta _2
  //SEG25 [14] *((const byte*) main::SCREEN#0 + (byte) main::idx#5) ← (byte~) main::$2 -- pbuc1_derefidx_vbuz1=vbuz2 
    lda _2
    ldy idx_5
    sta SCREEN,y
  //SEG26 [15] (byte) main::idx#1 ← ++ (byte) main::idx#5 -- vbuz1=_inc_vbuz2 
    ldy idx_5
    iny
    sty idx
  //SEG27 [16] (struct Entry*) main::next#0 ← *((struct Entry**)(struct Entry*) main::entry#2) -- pssz1=_deref_pptz2 
    ldy #0
    lda (entry),y
    sta next
    iny
    lda (entry),y
    sta next+1
  //SEG28 [17] (byte~) main::$3 ← < (struct Entry*) main::next#0 -- vbuz1=_lo_pssz2 
    lda next
    sta _3
  //SEG29 [18] *((const byte*) main::SCREEN#0 + (byte) main::idx#1) ← (byte~) main::$3 -- pbuc1_derefidx_vbuz1=vbuz2 
    lda _3
    ldy idx
    sta SCREEN,y
  //SEG30 [19] (byte) main::idx#2 ← ++ (byte) main::idx#1 -- vbuz1=_inc_vbuz2 
    ldy idx
    iny
    sty idx_2
  //SEG31 [20] (byte~) main::$4 ← > (struct Entry*) main::next#0 -- vbuz1=_hi_pssz2 
    lda next+1
    sta _4
  //SEG32 [21] *((const byte*) main::SCREEN#0 + (byte) main::idx#2) ← (byte~) main::$4 -- pbuc1_derefidx_vbuz1=vbuz2 
    lda _4
    ldy idx_2
    sta SCREEN,y
  //SEG33 [22] (byte) main::idx#3 ← ++ (byte) main::idx#2 -- vbuz1=_inc_vbuz2 
    ldy idx_2
    iny
    sty idx_3
  //SEG34 [23] *((const byte*) main::SCREEN#0 + (byte) main::idx#3) ← (byte) ' ' -- pbuc1_derefidx_vbuz1=vbuc2 
    lda #' '
    ldy idx_3
    sta SCREEN,y
  //SEG35 [24] (byte) main::idx#4 ← ++ (byte) main::idx#3 -- vbuz1=_inc_vbuz2 
    ldy idx_3
    iny
    sty idx_4
  //SEG36 [25] (struct Entry*) main::entry#1 ← *((struct Entry**)(struct Entry*) main::entry#2) -- pssz1=_deref_pptz1 
    ldy #0
    lda (entry),y
    pha
    iny
    lda (entry),y
    sta entry+1
    pla
    sta entry
  //SEG37 [10] phi from main::@2 to main::@1 [phi:main::@2->main::@1]
  b1_from_b2:
  //SEG38 [10] phi (byte) main::idx#5 = (byte) main::idx#4 [phi:main::@2->main::@1#0] -- register_copy 
  //SEG39 [10] phi (struct Entry*) main::entry#2 = (struct Entry*) main::entry#1 [phi:main::@2->main::@1#1] -- register_copy 
    jmp b1
}

REGISTER UPLIFT POTENTIAL REGISTERS
Statement [4] *((struct Entry**)(const struct Entry*) ENTRIES#0) ← (const struct Entry*) main::entry2#0 [ ] ( main:2 [ ] ) always clobbers reg byte a 
Statement [5] *((byte*)(const struct Entry*) ENTRIES#0+(const byte) OFFSET_STRUCT_ENTRY_VALUE) ← (byte) 1 [ ] ( main:2 [ ] ) always clobbers reg byte a 
Statement [6] *((struct Entry**)(const struct Entry*) main::entry2#0) ← (const struct Entry*) main::entry1#0 [ ] ( main:2 [ ] ) always clobbers reg byte a 
Statement [7] *((byte*)(const struct Entry*) main::entry2#0+(const byte) OFFSET_STRUCT_ENTRY_VALUE) ← (byte) 2 [ ] ( main:2 [ ] ) always clobbers reg byte a 
Statement [8] *((struct Entry**)(const struct Entry*) main::entry1#0) ← (struct Entry*) 0 [ ] ( main:2 [ ] ) always clobbers reg byte a 
Statement [9] *((byte*)(const struct Entry*) main::entry1#0+(const byte) OFFSET_STRUCT_ENTRY_VALUE) ← (byte) 3 [ ] ( main:2 [ ] ) always clobbers reg byte a 
Statement [11] if((byte) 0!=(struct Entry*) main::entry#2) goto main::@2 [ main::entry#2 main::idx#5 ] ( main:2 [ main::entry#2 main::idx#5 ] ) always clobbers reg byte a 
Removing always clobbered register reg byte a as potential for zp ZP_BYTE:4 [ main::idx#5 main::idx#4 ]
Statement [13] (byte~) main::$2 ← (byte) '0' + *((byte*)(struct Entry*) main::entry#2 + (const byte) OFFSET_STRUCT_ENTRY_VALUE) [ main::entry#2 main::idx#5 main::$2 ] ( main:2 [ main::entry#2 main::idx#5 main::$2 ] ) always clobbers reg byte a reg byte y 
Removing always clobbered register reg byte y as potential for zp ZP_BYTE:4 [ main::idx#5 main::idx#4 ]
Statement [16] (struct Entry*) main::next#0 ← *((struct Entry**)(struct Entry*) main::entry#2) [ main::entry#2 main::idx#1 main::next#0 ] ( main:2 [ main::entry#2 main::idx#1 main::next#0 ] ) always clobbers reg byte a reg byte y 
Removing always clobbered register reg byte a as potential for zp ZP_BYTE:6 [ main::idx#1 ]
Removing always clobbered register reg byte y as potential for zp ZP_BYTE:6 [ main::idx#1 ]
Statement [17] (byte~) main::$3 ← < (struct Entry*) main::next#0 [ main::entry#2 main::idx#1 main::next#0 main::$3 ] ( main:2 [ main::entry#2 main::idx#1 main::next#0 main::$3 ] ) always clobbers reg byte a 
Statement [20] (byte~) main::$4 ← > (struct Entry*) main::next#0 [ main::entry#2 main::idx#2 main::$4 ] ( main:2 [ main::entry#2 main::idx#2 main::$4 ] ) always clobbers reg byte a 
Removing always clobbered register reg byte a as potential for zp ZP_BYTE:10 [ main::idx#2 ]
Statement [23] *((const byte*) main::SCREEN#0 + (byte) main::idx#3) ← (byte) ' ' [ main::entry#2 main::idx#3 ] ( main:2 [ main::entry#2 main::idx#3 ] ) always clobbers reg byte a 
Removing always clobbered register reg byte a as potential for zp ZP_BYTE:12 [ main::idx#3 ]
Statement [25] (struct Entry*) main::entry#1 ← *((struct Entry**)(struct Entry*) main::entry#2) [ main::entry#1 main::idx#4 ] ( main:2 [ main::entry#1 main::idx#4 ] ) always clobbers reg byte a reg byte y 
Statement [4] *((struct Entry**)(const struct Entry*) ENTRIES#0) ← (const struct Entry*) main::entry2#0 [ ] ( main:2 [ ] ) always clobbers reg byte a 
Statement [5] *((byte*)(const struct Entry*) ENTRIES#0+(const byte) OFFSET_STRUCT_ENTRY_VALUE) ← (byte) 1 [ ] ( main:2 [ ] ) always clobbers reg byte a 
Statement [6] *((struct Entry**)(const struct Entry*) main::entry2#0) ← (const struct Entry*) main::entry1#0 [ ] ( main:2 [ ] ) always clobbers reg byte a 
Statement [7] *((byte*)(const struct Entry*) main::entry2#0+(const byte) OFFSET_STRUCT_ENTRY_VALUE) ← (byte) 2 [ ] ( main:2 [ ] ) always clobbers reg byte a 
Statement [8] *((struct Entry**)(const struct Entry*) main::entry1#0) ← (struct Entry*) 0 [ ] ( main:2 [ ] ) always clobbers reg byte a 
Statement [9] *((byte*)(const struct Entry*) main::entry1#0+(const byte) OFFSET_STRUCT_ENTRY_VALUE) ← (byte) 3 [ ] ( main:2 [ ] ) always clobbers reg byte a 
Statement [11] if((byte) 0!=(struct Entry*) main::entry#2) goto main::@2 [ main::entry#2 main::idx#5 ] ( main:2 [ main::entry#2 main::idx#5 ] ) always clobbers reg byte a 
Statement [13] (byte~) main::$2 ← (byte) '0' + *((byte*)(struct Entry*) main::entry#2 + (const byte) OFFSET_STRUCT_ENTRY_VALUE) [ main::entry#2 main::idx#5 main::$2 ] ( main:2 [ main::entry#2 main::idx#5 main::$2 ] ) always clobbers reg byte a reg byte y 
Statement [16] (struct Entry*) main::next#0 ← *((struct Entry**)(struct Entry*) main::entry#2) [ main::entry#2 main::idx#1 main::next#0 ] ( main:2 [ main::entry#2 main::idx#1 main::next#0 ] ) always clobbers reg byte a reg byte y 
Statement [17] (byte~) main::$3 ← < (struct Entry*) main::next#0 [ main::entry#2 main::idx#1 main::next#0 main::$3 ] ( main:2 [ main::entry#2 main::idx#1 main::next#0 main::$3 ] ) always clobbers reg byte a 
Statement [20] (byte~) main::$4 ← > (struct Entry*) main::next#0 [ main::entry#2 main::idx#2 main::$4 ] ( main:2 [ main::entry#2 main::idx#2 main::$4 ] ) always clobbers reg byte a 
Statement [23] *((const byte*) main::SCREEN#0 + (byte) main::idx#3) ← (byte) ' ' [ main::entry#2 main::idx#3 ] ( main:2 [ main::entry#2 main::idx#3 ] ) always clobbers reg byte a 
Statement [25] (struct Entry*) main::entry#1 ← *((struct Entry**)(struct Entry*) main::entry#2) [ main::entry#1 main::idx#4 ] ( main:2 [ main::entry#1 main::idx#4 ] ) always clobbers reg byte a reg byte y 
Potential registers zp ZP_WORD:2 [ main::entry#2 main::entry#1 ] : zp ZP_WORD:2 , 
Potential registers zp ZP_BYTE:4 [ main::idx#5 main::idx#4 ] : zp ZP_BYTE:4 , reg byte x , 
Potential registers zp ZP_BYTE:5 [ main::$2 ] : zp ZP_BYTE:5 , reg byte a , reg byte x , reg byte y , 
Potential registers zp ZP_BYTE:6 [ main::idx#1 ] : zp ZP_BYTE:6 , reg byte x , 
Potential registers zp ZP_WORD:7 [ main::next#0 ] : zp ZP_WORD:7 , 
Potential registers zp ZP_BYTE:9 [ main::$3 ] : zp ZP_BYTE:9 , reg byte a , reg byte x , reg byte y , 
Potential registers zp ZP_BYTE:10 [ main::idx#2 ] : zp ZP_BYTE:10 , reg byte x , reg byte y , 
Potential registers zp ZP_BYTE:11 [ main::$4 ] : zp ZP_BYTE:11 , reg byte a , reg byte x , reg byte y , 
Potential registers zp ZP_BYTE:12 [ main::idx#3 ] : zp ZP_BYTE:12 , reg byte x , reg byte y , 

REGISTER UPLIFT SCOPES
Uplift Scope [main] 23.57: zp ZP_WORD:2 [ main::entry#2 main::entry#1 ] 22: zp ZP_BYTE:5 [ main::$2 ] 22: zp ZP_BYTE:9 [ main::$3 ] 22: zp ZP_BYTE:11 [ main::$4 ] 19.25: zp ZP_BYTE:4 [ main::idx#5 main::idx#4 ] 16.5: zp ZP_BYTE:12 [ main::idx#3 ] 11: zp ZP_BYTE:10 [ main::idx#2 ] 8.25: zp ZP_BYTE:6 [ main::idx#1 ] 8.25: zp ZP_WORD:7 [ main::next#0 ] 
Uplift Scope [Entry] 
Uplift Scope [] 

Uplifting [main] best 1667 combination zp ZP_WORD:2 [ main::entry#2 main::entry#1 ] reg byte a [ main::$2 ] reg byte a [ main::$3 ] reg byte a [ main::$4 ] reg byte x [ main::idx#5 main::idx#4 ] zp ZP_BYTE:12 [ main::idx#3 ] zp ZP_BYTE:10 [ main::idx#2 ] zp ZP_BYTE:6 [ main::idx#1 ] zp ZP_WORD:7 [ main::next#0 ] 
Limited combination testing to 100 combinations of 2304 possible.
Uplifting [Entry] best 1667 combination 
Uplifting [] best 1667 combination 
Attempting to uplift remaining variables inzp ZP_BYTE:12 [ main::idx#3 ]
Uplifting [main] best 1577 combination reg byte x [ main::idx#3 ] 
Attempting to uplift remaining variables inzp ZP_BYTE:10 [ main::idx#2 ]
Uplifting [main] best 1487 combination reg byte x [ main::idx#2 ] 
Attempting to uplift remaining variables inzp ZP_BYTE:6 [ main::idx#1 ]
Uplifting [main] best 1397 combination reg byte x [ main::idx#1 ] 
Allocated (was zp ZP_WORD:7) zp ZP_WORD:4 [ main::next#0 ]

ASSEMBLER BEFORE OPTIMIZATION
//SEG0 File Comments
// Minimal struct - simple linked list implemented using pointers
//SEG1 Basic Upstart
.pc = $801 "Basic"
:BasicUpstart(bbegin)
.pc = $80d "Program"
//SEG2 Global Constants & labels
  .const SIZEOF_STRUCT_ENTRY = 3
  .const OFFSET_STRUCT_ENTRY_VALUE = 2
  .label ENTRIES = $1000
//SEG3 @begin
bbegin:
//SEG4 [1] phi from @begin to @1 [phi:@begin->@1]
b1_from_bbegin:
  jmp b1
//SEG5 @1
b1:
//SEG6 [2] call main 
  jsr main
//SEG7 [3] phi from @1 to @end [phi:@1->@end]
bend_from_b1:
  jmp bend
//SEG8 @end
bend:
//SEG9 main
main: {
    // Run through the linked list
    .label SCREEN = $400
    .label entry1 = ENTRIES+1*SIZEOF_STRUCT_ENTRY
    .label entry2 = ENTRIES+2*SIZEOF_STRUCT_ENTRY
    .label next = 4
    .label entry = 2
  //SEG10 [4] *((struct Entry**)(const struct Entry*) ENTRIES#0) ← (const struct Entry*) main::entry2#0 -- _deref_pptc1=pssc2 
    lda #<entry2
    sta ENTRIES
    lda #>entry2
    sta ENTRIES+1
  //SEG11 [5] *((byte*)(const struct Entry*) ENTRIES#0+(const byte) OFFSET_STRUCT_ENTRY_VALUE) ← (byte) 1 -- _deref_pbuc1=vbuc2 
    lda #1
    sta ENTRIES+OFFSET_STRUCT_ENTRY_VALUE
  //SEG12 [6] *((struct Entry**)(const struct Entry*) main::entry2#0) ← (const struct Entry*) main::entry1#0 -- _deref_pptc1=pssc2 
    lda #<entry1
    sta entry2
    lda #>entry1
    sta entry2+1
  //SEG13 [7] *((byte*)(const struct Entry*) main::entry2#0+(const byte) OFFSET_STRUCT_ENTRY_VALUE) ← (byte) 2 -- _deref_pbuc1=vbuc2 
    lda #2
    sta entry2+OFFSET_STRUCT_ENTRY_VALUE
  //SEG14 [8] *((struct Entry**)(const struct Entry*) main::entry1#0) ← (struct Entry*) 0 -- _deref_pptc1=pssc2 
    lda #<0
    sta entry1
    lda #>0
    sta entry1+1
  //SEG15 [9] *((byte*)(const struct Entry*) main::entry1#0+(const byte) OFFSET_STRUCT_ENTRY_VALUE) ← (byte) 3 -- _deref_pbuc1=vbuc2 
    lda #3
    sta entry1+OFFSET_STRUCT_ENTRY_VALUE
  //SEG16 [10] phi from main to main::@1 [phi:main->main::@1]
  b1_from_main:
  //SEG17 [10] phi (byte) main::idx#5 = (byte) 0 [phi:main->main::@1#0] -- vbuxx=vbuc1 
    ldx #0
  //SEG18 [10] phi (struct Entry*) main::entry#2 = (const struct Entry*) ENTRIES#0 [phi:main->main::@1#1] -- pssz1=pssc1 
    lda #<ENTRIES
    sta entry
    lda #>ENTRIES
    sta entry+1
    jmp b1
  //SEG19 main::@1
  b1:
  //SEG20 [11] if((byte) 0!=(struct Entry*) main::entry#2) goto main::@2 -- vwuc1_neq_pssz1_then_la1 
    lda entry+1
    cmp #>0
    bne b2
    lda entry
    cmp #<0
    bne b2
    jmp breturn
  //SEG21 main::@return
  breturn:
  //SEG22 [12] return 
    rts
  //SEG23 main::@2
  b2:
  //SEG24 [13] (byte~) main::$2 ← (byte) '0' + *((byte*)(struct Entry*) main::entry#2 + (const byte) OFFSET_STRUCT_ENTRY_VALUE) -- vbuaa=vbuc1_plus_pbuz1_derefidx_vbuc2 
    lda #'0'
    ldy #OFFSET_STRUCT_ENTRY_VALUE
    clc
    adc (entry),y
  //SEG25 [14] *((const byte*) main::SCREEN#0 + (byte) main::idx#5) ← (byte~) main::$2 -- pbuc1_derefidx_vbuxx=vbuaa 
    sta SCREEN,x
  //SEG26 [15] (byte) main::idx#1 ← ++ (byte) main::idx#5 -- vbuxx=_inc_vbuxx 
    inx
  //SEG27 [16] (struct Entry*) main::next#0 ← *((struct Entry**)(struct Entry*) main::entry#2) -- pssz1=_deref_pptz2 
    ldy #0
    lda (entry),y
    sta next
    iny
    lda (entry),y
    sta next+1
  //SEG28 [17] (byte~) main::$3 ← < (struct Entry*) main::next#0 -- vbuaa=_lo_pssz1 
    lda next
  //SEG29 [18] *((const byte*) main::SCREEN#0 + (byte) main::idx#1) ← (byte~) main::$3 -- pbuc1_derefidx_vbuxx=vbuaa 
    sta SCREEN,x
  //SEG30 [19] (byte) main::idx#2 ← ++ (byte) main::idx#1 -- vbuxx=_inc_vbuxx 
    inx
  //SEG31 [20] (byte~) main::$4 ← > (struct Entry*) main::next#0 -- vbuaa=_hi_pssz1 
    lda next+1
  //SEG32 [21] *((const byte*) main::SCREEN#0 + (byte) main::idx#2) ← (byte~) main::$4 -- pbuc1_derefidx_vbuxx=vbuaa 
    sta SCREEN,x
  //SEG33 [22] (byte) main::idx#3 ← ++ (byte) main::idx#2 -- vbuxx=_inc_vbuxx 
    inx
  //SEG34 [23] *((const byte*) main::SCREEN#0 + (byte) main::idx#3) ← (byte) ' ' -- pbuc1_derefidx_vbuxx=vbuc2 
    lda #' '
    sta SCREEN,x
  //SEG35 [24] (byte) main::idx#4 ← ++ (byte) main::idx#3 -- vbuxx=_inc_vbuxx 
    inx
  //SEG36 [25] (struct Entry*) main::entry#1 ← *((struct Entry**)(struct Entry*) main::entry#2) -- pssz1=_deref_pptz1 
    ldy #0
    lda (entry),y
    pha
    iny
    lda (entry),y
    sta entry+1
    pla
    sta entry
  //SEG37 [10] phi from main::@2 to main::@1 [phi:main::@2->main::@1]
  b1_from_b2:
  //SEG38 [10] phi (byte) main::idx#5 = (byte) main::idx#4 [phi:main::@2->main::@1#0] -- register_copy 
  //SEG39 [10] phi (struct Entry*) main::entry#2 = (struct Entry*) main::entry#1 [phi:main::@2->main::@1#1] -- register_copy 
    jmp b1
}

ASSEMBLER OPTIMIZATIONS
Removing instruction jmp b1
Removing instruction jmp bend
Removing instruction jmp b1
Removing instruction jmp breturn
Succesful ASM optimization Pass5NextJumpElimination
Removing instruction lda #>0
Succesful ASM optimization Pass5UnnecesaryLoadElimination
Removing instruction b1_from_bbegin:
Removing instruction b1:
Removing instruction bend_from_b1:
Succesful ASM optimization Pass5RedundantLabelElimination
Removing instruction bend:
Removing instruction b1_from_main:
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 bbegin:
Succesful ASM optimization Pass5UnusedLabelElimination

FINAL SYMBOL TABLE
(label) @1
(label) @begin
(label) @end
(struct Entry*) ENTRIES
(const struct Entry*) ENTRIES#0 ENTRIES = (struct Entry*) 4096
(struct Entry*) Entry::next
(byte) Entry::value
(const byte) OFFSET_STRUCT_ENTRY_VALUE OFFSET_STRUCT_ENTRY_VALUE = (byte) 2
(const byte) SIZEOF_STRUCT_ENTRY SIZEOF_STRUCT_ENTRY = (byte) 3
(void()) main()
(byte~) main::$2 reg byte a 22.0
(byte~) main::$3 reg byte a 22.0
(byte~) main::$4 reg byte a 22.0
(label) main::@1
(label) main::@2
(label) main::@return
(byte*) main::SCREEN
(const byte*) main::SCREEN#0 SCREEN = (byte*) 1024
(struct Entry*) main::entry
(struct Entry*) main::entry#1 entry zp ZP_WORD:2 22.0
(struct Entry*) main::entry#2 entry zp ZP_WORD:2 1.5714285714285714
(struct Entry*) main::entry0
(struct Entry*) main::entry1
(const struct Entry*) main::entry1#0 entry1 = (const struct Entry*) ENTRIES#0+(byte) 1*(const byte) SIZEOF_STRUCT_ENTRY
(struct Entry*) main::entry2
(const struct Entry*) main::entry2#0 entry2 = (const struct Entry*) ENTRIES#0+(byte) 2*(const byte) SIZEOF_STRUCT_ENTRY
(byte) main::idx
(byte) main::idx#1 reg byte x 8.25
(byte) main::idx#2 reg byte x 11.0
(byte) main::idx#3 reg byte x 16.5
(byte) main::idx#4 reg byte x 11.0
(byte) main::idx#5 reg byte x 8.25
(struct Entry*) main::next
(struct Entry*) main::next#0 next zp ZP_WORD:4 8.25

zp ZP_WORD:2 [ main::entry#2 main::entry#1 ]
reg byte x [ main::idx#5 main::idx#4 ]
reg byte a [ main::$2 ]
reg byte x [ main::idx#1 ]
zp ZP_WORD:4 [ main::next#0 ]
reg byte a [ main::$3 ]
reg byte x [ main::idx#2 ]
reg byte a [ main::$4 ]
reg byte x [ main::idx#3 ]


FINAL ASSEMBLER
Score: 1323

//SEG0 File Comments
// Minimal struct - simple linked list implemented using pointers
//SEG1 Basic Upstart
.pc = $801 "Basic"
:BasicUpstart(main)
.pc = $80d "Program"
//SEG2 Global Constants & labels
  .const SIZEOF_STRUCT_ENTRY = 3
  .const OFFSET_STRUCT_ENTRY_VALUE = 2
  .label ENTRIES = $1000
//SEG3 @begin
//SEG4 [1] phi from @begin to @1 [phi:@begin->@1]
//SEG5 @1
//SEG6 [2] call main 
//SEG7 [3] phi from @1 to @end [phi:@1->@end]
//SEG8 @end
//SEG9 main
main: {
    // Run through the linked list
    .label SCREEN = $400
    .label entry1 = ENTRIES+1*SIZEOF_STRUCT_ENTRY
    .label entry2 = ENTRIES+2*SIZEOF_STRUCT_ENTRY
    .label next = 4
    .label entry = 2
  //SEG10 [4] *((struct Entry**)(const struct Entry*) ENTRIES#0) ← (const struct Entry*) main::entry2#0 -- _deref_pptc1=pssc2 
    lda #<entry2
    sta ENTRIES
    lda #>entry2
    sta ENTRIES+1
  //SEG11 [5] *((byte*)(const struct Entry*) ENTRIES#0+(const byte) OFFSET_STRUCT_ENTRY_VALUE) ← (byte) 1 -- _deref_pbuc1=vbuc2 
    lda #1
    sta ENTRIES+OFFSET_STRUCT_ENTRY_VALUE
  //SEG12 [6] *((struct Entry**)(const struct Entry*) main::entry2#0) ← (const struct Entry*) main::entry1#0 -- _deref_pptc1=pssc2 
    lda #<entry1
    sta entry2
    lda #>entry1
    sta entry2+1
  //SEG13 [7] *((byte*)(const struct Entry*) main::entry2#0+(const byte) OFFSET_STRUCT_ENTRY_VALUE) ← (byte) 2 -- _deref_pbuc1=vbuc2 
    lda #2
    sta entry2+OFFSET_STRUCT_ENTRY_VALUE
  //SEG14 [8] *((struct Entry**)(const struct Entry*) main::entry1#0) ← (struct Entry*) 0 -- _deref_pptc1=pssc2 
    lda #<0
    sta entry1
    sta entry1+1
  //SEG15 [9] *((byte*)(const struct Entry*) main::entry1#0+(const byte) OFFSET_STRUCT_ENTRY_VALUE) ← (byte) 3 -- _deref_pbuc1=vbuc2 
    lda #3
    sta entry1+OFFSET_STRUCT_ENTRY_VALUE
  //SEG16 [10] phi from main to main::@1 [phi:main->main::@1]
  //SEG17 [10] phi (byte) main::idx#5 = (byte) 0 [phi:main->main::@1#0] -- vbuxx=vbuc1 
    ldx #0
  //SEG18 [10] phi (struct Entry*) main::entry#2 = (const struct Entry*) ENTRIES#0 [phi:main->main::@1#1] -- pssz1=pssc1 
    lda #<ENTRIES
    sta entry
    lda #>ENTRIES
    sta entry+1
  //SEG19 main::@1
  b1:
  //SEG20 [11] if((byte) 0!=(struct Entry*) main::entry#2) goto main::@2 -- vwuc1_neq_pssz1_then_la1 
    lda entry+1
    cmp #>0
    bne b2
    lda entry
    cmp #<0
    bne b2
  //SEG21 main::@return
  //SEG22 [12] return 
    rts
  //SEG23 main::@2
  b2:
  //SEG24 [13] (byte~) main::$2 ← (byte) '0' + *((byte*)(struct Entry*) main::entry#2 + (const byte) OFFSET_STRUCT_ENTRY_VALUE) -- vbuaa=vbuc1_plus_pbuz1_derefidx_vbuc2 
    lda #'0'
    ldy #OFFSET_STRUCT_ENTRY_VALUE
    clc
    adc (entry),y
  //SEG25 [14] *((const byte*) main::SCREEN#0 + (byte) main::idx#5) ← (byte~) main::$2 -- pbuc1_derefidx_vbuxx=vbuaa 
    sta SCREEN,x
  //SEG26 [15] (byte) main::idx#1 ← ++ (byte) main::idx#5 -- vbuxx=_inc_vbuxx 
    inx
  //SEG27 [16] (struct Entry*) main::next#0 ← *((struct Entry**)(struct Entry*) main::entry#2) -- pssz1=_deref_pptz2 
    ldy #0
    lda (entry),y
    sta next
    iny
    lda (entry),y
    sta next+1
  //SEG28 [17] (byte~) main::$3 ← < (struct Entry*) main::next#0 -- vbuaa=_lo_pssz1 
    lda next
  //SEG29 [18] *((const byte*) main::SCREEN#0 + (byte) main::idx#1) ← (byte~) main::$3 -- pbuc1_derefidx_vbuxx=vbuaa 
    sta SCREEN,x
  //SEG30 [19] (byte) main::idx#2 ← ++ (byte) main::idx#1 -- vbuxx=_inc_vbuxx 
    inx
  //SEG31 [20] (byte~) main::$4 ← > (struct Entry*) main::next#0 -- vbuaa=_hi_pssz1 
    lda next+1
  //SEG32 [21] *((const byte*) main::SCREEN#0 + (byte) main::idx#2) ← (byte~) main::$4 -- pbuc1_derefidx_vbuxx=vbuaa 
    sta SCREEN,x
  //SEG33 [22] (byte) main::idx#3 ← ++ (byte) main::idx#2 -- vbuxx=_inc_vbuxx 
    inx
  //SEG34 [23] *((const byte*) main::SCREEN#0 + (byte) main::idx#3) ← (byte) ' ' -- pbuc1_derefidx_vbuxx=vbuc2 
    lda #' '
    sta SCREEN,x
  //SEG35 [24] (byte) main::idx#4 ← ++ (byte) main::idx#3 -- vbuxx=_inc_vbuxx 
    inx
  //SEG36 [25] (struct Entry*) main::entry#1 ← *((struct Entry**)(struct Entry*) main::entry#2) -- pssz1=_deref_pptz1 
    ldy #0
    lda (entry),y
    pha
    iny
    lda (entry),y
    sta entry+1
    pla
    sta entry
  //SEG37 [10] phi from main::@2 to main::@1 [phi:main::@2->main::@1]
  //SEG38 [10] phi (byte) main::idx#5 = (byte) main::idx#4 [phi:main::@2->main::@1#0] -- register_copy 
  //SEG39 [10] phi (struct Entry*) main::entry#2 = (struct Entry*) main::entry#1 [phi:main::@2->main::@1#1] -- register_copy 
    jmp b1
}