Fixing struct type size struct Person to 16
Fixing struct type size struct Person to 16
Fixing struct type SIZE_OF struct Person to 16
Fixing struct type SIZE_OF struct Person to 16
Fixing pointer increment (struct Person*) main::person ← ++ (struct Person*) main::person
Replacing struct member reference *((struct Person*) main::person).name with member unwinding reference (byte*~) main::$0
Replacing struct member reference *((struct Person*) main::person).name with member unwinding reference (byte*~) main::$1

CONTROL FLOW GRAPH SSA
@begin: scope:[]  from
  to:@1

(void()) main()
main: scope:[main]  from @1
  (struct Person*) main::person#0 ← (const struct Person*) persons
  (byte*~) main::$0 ← (byte*)(struct Person*) main::person#0 + (const byte) OFFSET_STRUCT_PERSON_NAME
  *((const byte*) main::SCREEN + (number) 0) ← *((byte*~) main::$0 + (number) 2)
  (struct Person*) main::person#1 ← (struct Person*) main::person#0 + (const byte) SIZEOF_STRUCT_PERSON
  (byte*~) main::$1 ← (byte*)(struct Person*) main::person#1 + (const byte) OFFSET_STRUCT_PERSON_NAME
  *((const byte*) main::SCREEN + (number) 1) ← *((byte*~) main::$1 + (number) 2)
  to:main::@return
main::@return: scope:[main]  from main
  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_PERSON_NAME = (byte) 1
(word) Person::age
(byte) Person::id
(const byte*) Person::name[(number) $d]  = { fill( $d, 0) }
(const byte) SIZEOF_STRUCT_PERSON = (byte) $10
(void()) main()
(byte*~) main::$0
(byte*~) main::$1
(label) main::@return
(const byte*) main::SCREEN = (byte*)(number) $400
(struct Person*) main::person
(struct Person*) main::person#0
(struct Person*) main::person#1
(const struct Person*) persons[(number) 2]  = { { id: (byte) 7, name: (string) "jesper", age: (word) $141 }, { id: (byte) 9, name: (string) "henry", age: (word) $7b } }

Adding number conversion cast (unumber) 2 in *((const byte*) main::SCREEN + (number) 0) ← *((byte*~) main::$0 + (number) 2)
Adding number conversion cast (unumber) 0 in *((const byte*) main::SCREEN + (number) 0) ← *((byte*~) main::$0 + (unumber)(number) 2)
Adding number conversion cast (unumber) 2 in *((const byte*) main::SCREEN + (number) 1) ← *((byte*~) main::$1 + (number) 2)
Adding number conversion cast (unumber) 1 in *((const byte*) main::SCREEN + (number) 1) ← *((byte*~) main::$1 + (unumber)(number) 2)
Successful SSA optimization PassNAddNumberTypeConversions
Simplifying constant pointer cast (byte*) 1024
Simplifying constant integer cast 2
Simplifying constant integer cast 0
Simplifying constant integer cast 2
Simplifying constant integer cast 1
Successful SSA optimization PassNCastSimplification
Finalized unsigned number type (byte) 2
Finalized unsigned number type (byte) 0
Finalized unsigned number type (byte) 2
Finalized unsigned number type (byte) 1
Successful SSA optimization PassNFinalizeNumberTypeConversions
Constant (const struct Person*) main::person#0 = persons
Successful SSA optimization Pass2ConstantIdentification
Constant value identified (byte*)main::person#0 in [1] (byte*~) main::$0 ← (byte*)(const struct Person*) main::person#0 + (const byte) OFFSET_STRUCT_PERSON_NAME
Successful SSA optimization Pass2ConstantValues
Simplifying expression containing zero main::SCREEN in [2] *((const byte*) main::SCREEN + (byte) 0) ← *((byte*~) main::$0 + (byte) 2)
Successful SSA optimization PassNSimplifyExpressionWithZero
Constant right-side identified [0] (byte*~) main::$0 ← (byte*)(const struct Person*) main::person#0 + (const byte) OFFSET_STRUCT_PERSON_NAME
Constant right-side identified [2] (struct Person*) main::person#1 ← (const struct Person*) main::person#0 + (const byte) SIZEOF_STRUCT_PERSON
Successful SSA optimization Pass2ConstantRValueConsolidation
Constant (const byte*) main::$0 = (byte*)main::person#0+OFFSET_STRUCT_PERSON_NAME
Constant (const struct Person*) main::person#1 = main::person#0+SIZEOF_STRUCT_PERSON
Successful SSA optimization Pass2ConstantIdentification
Constant value identified (byte*)main::person#1 in [3] (byte*~) main::$1 ← (byte*)(const struct Person*) main::person#1 + (const byte) OFFSET_STRUCT_PERSON_NAME
Successful SSA optimization Pass2ConstantValues
Constant right-side identified [1] (byte*~) main::$1 ← (byte*)(const struct Person*) main::person#1 + (const byte) OFFSET_STRUCT_PERSON_NAME
Successful SSA optimization Pass2ConstantRValueConsolidation
Constant (const byte*) main::$1 = (byte*)main::person#1+OFFSET_STRUCT_PERSON_NAME
Successful SSA optimization Pass2ConstantIdentification
Inlining constant with different constant siblings (const struct Person*) main::person#0
Constant inlined main::$1 = (byte*)(const struct Person*) main::person#1+(const byte) OFFSET_STRUCT_PERSON_NAME
Constant inlined main::person#0 = (const struct Person*) persons
Constant inlined main::$0 = (byte*)(const struct Person*) persons+(const byte) OFFSET_STRUCT_PERSON_NAME
Successful SSA optimization Pass2ConstantInlining
Consolidated array index constant in *((byte*)persons+OFFSET_STRUCT_PERSON_NAME+2)
Consolidated array index constant in *((byte*)main::person#1+OFFSET_STRUCT_PERSON_NAME+2)
Consolidated array index constant in *(main::SCREEN+1)
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 0 initial phi equivalence classes
Coalesced down to 0 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()

(void()) main()
main: scope:[main]  from @1
  [4] *((const byte*) main::SCREEN) ← *((byte*)(const struct Person*) persons+(const byte) OFFSET_STRUCT_PERSON_NAME+(byte) 2)
  [5] *((const byte*) main::SCREEN+(byte) 1) ← *((byte*)(const struct Person*) main::person#1+(const byte) OFFSET_STRUCT_PERSON_NAME+(byte) 2)
  to:main::@return
main::@return: scope:[main]  from main
  [6] return 
  to:@return


VARIABLE REGISTER WEIGHTS
(word) Person::age
(byte) Person::id
(void()) main()
(struct Person*) main::person

Initial phi equivalence classes
Complete equivalence classes

INITIAL ASM
Target platform is c64basic / MOS6502X
  // File Comments
// Example of a struct containing an array
  // Upstart
.pc = $801 "Basic"
:BasicUpstart(__bbegin)
.pc = $80d "Program"
  // Global Constants & labels
  .const SIZEOF_STRUCT_PERSON = $10
  .const OFFSET_STRUCT_PERSON_NAME = 1
  // @begin
__bbegin:
  // [1] phi from @begin to @1 [phi:@begin->@1]
__b1_from___bbegin:
  jmp __b1
  // @1
__b1:
  // [2] call main 
  jsr main
  // [3] phi from @1 to @end [phi:@1->@end]
__bend_from___b1:
  jmp __bend
  // @end
__bend:
  // main
main: {
    .label SCREEN = $400
    .label person = persons+SIZEOF_STRUCT_PERSON
    // [4] *((const byte*) main::SCREEN) ← *((byte*)(const struct Person*) persons+(const byte) OFFSET_STRUCT_PERSON_NAME+(byte) 2) -- _deref_pbuc1=_deref_pbuc2 
    lda persons+OFFSET_STRUCT_PERSON_NAME+2
    sta SCREEN
    // [5] *((const byte*) main::SCREEN+(byte) 1) ← *((byte*)(const struct Person*) main::person#1+(const byte) OFFSET_STRUCT_PERSON_NAME+(byte) 2) -- _deref_pbuc1=_deref_pbuc2 
    lda person+OFFSET_STRUCT_PERSON_NAME+2
    sta SCREEN+1
    jmp __breturn
    // main::@return
  __breturn:
    // [6] return 
    rts
}
  // File Data
  persons: .byte 7
  .text "jesper"
  .byte 0
  .fill 6, 0
  .word $141
  .byte 9
  .text "henry"
  .byte 0
  .fill 7, 0
  .word $7b

REGISTER UPLIFT POTENTIAL REGISTERS
Statement [4] *((const byte*) main::SCREEN) ← *((byte*)(const struct Person*) persons+(const byte) OFFSET_STRUCT_PERSON_NAME+(byte) 2) [ ] ( main:2 [ ] ) always clobbers reg byte a 
Statement [5] *((const byte*) main::SCREEN+(byte) 1) ← *((byte*)(const struct Person*) main::person#1+(const byte) OFFSET_STRUCT_PERSON_NAME+(byte) 2) [ ] ( main:2 [ ] ) always clobbers reg byte a 

REGISTER UPLIFT SCOPES
Uplift Scope [Person] 
Uplift Scope [main] 
Uplift Scope [] 

Uplifting [Person] best 37 combination 
Uplifting [main] best 37 combination 
Uplifting [] best 37 combination 

ASSEMBLER BEFORE OPTIMIZATION
  // File Comments
// Example of a struct containing an array
  // Upstart
.pc = $801 "Basic"
:BasicUpstart(__bbegin)
.pc = $80d "Program"
  // Global Constants & labels
  .const SIZEOF_STRUCT_PERSON = $10
  .const OFFSET_STRUCT_PERSON_NAME = 1
  // @begin
__bbegin:
  // [1] phi from @begin to @1 [phi:@begin->@1]
__b1_from___bbegin:
  jmp __b1
  // @1
__b1:
  // [2] call main 
  jsr main
  // [3] phi from @1 to @end [phi:@1->@end]
__bend_from___b1:
  jmp __bend
  // @end
__bend:
  // main
main: {
    .label SCREEN = $400
    .label person = persons+SIZEOF_STRUCT_PERSON
    // [4] *((const byte*) main::SCREEN) ← *((byte*)(const struct Person*) persons+(const byte) OFFSET_STRUCT_PERSON_NAME+(byte) 2) -- _deref_pbuc1=_deref_pbuc2 
    lda persons+OFFSET_STRUCT_PERSON_NAME+2
    sta SCREEN
    // [5] *((const byte*) main::SCREEN+(byte) 1) ← *((byte*)(const struct Person*) main::person#1+(const byte) OFFSET_STRUCT_PERSON_NAME+(byte) 2) -- _deref_pbuc1=_deref_pbuc2 
    lda person+OFFSET_STRUCT_PERSON_NAME+2
    sta SCREEN+1
    jmp __breturn
    // main::@return
  __breturn:
    // [6] return 
    rts
}
  // File Data
  persons: .byte 7
  .text "jesper"
  .byte 0
  .fill 6, 0
  .word $141
  .byte 9
  .text "henry"
  .byte 0
  .fill 7, 0
  .word $7b

ASSEMBLER OPTIMIZATIONS
Removing instruction jmp __b1
Removing instruction jmp __bend
Removing instruction jmp __breturn
Succesful ASM optimization Pass5NextJumpElimination
Replacing label __bbegin with __b1
Removing instruction __bbegin:
Removing instruction __b1_from___bbegin:
Removing instruction __bend_from___b1:
Succesful ASM optimization Pass5RedundantLabelElimination
Removing instruction __bend:
Removing instruction __breturn:
Succesful ASM optimization Pass5UnusedLabelElimination
Updating BasicUpstart to call main directly
Removing instruction jsr main
Succesful ASM optimization Pass5SkipBegin
Removing instruction __b1:
Succesful ASM optimization Pass5UnusedLabelElimination

FINAL SYMBOL TABLE
(label) @1
(label) @begin
(label) @end
(const byte) OFFSET_STRUCT_PERSON_NAME = (byte) 1
(word) Person::age
(byte) Person::id
(const byte*) Person::name[(number) $d]  = { fill( $d, 0) }
(const byte) SIZEOF_STRUCT_PERSON = (byte) $10
(void()) main()
(label) main::@return
(const byte*) main::SCREEN = (byte*) 1024
(struct Person*) main::person
(const struct Person*) main::person#1 person = (const struct Person*) persons+(const byte) SIZEOF_STRUCT_PERSON
(const struct Person*) persons[(number) 2]  = { { id: (byte) 7, name: (string) "jesper", age: (word) $141 }, { id: (byte) 9, name: (string) "henry", age: (word) $7b } }



FINAL ASSEMBLER
Score: 22

  // File Comments
// Example of a struct containing an array
  // Upstart
.pc = $801 "Basic"
:BasicUpstart(main)
.pc = $80d "Program"
  // Global Constants & labels
  .const SIZEOF_STRUCT_PERSON = $10
  .const OFFSET_STRUCT_PERSON_NAME = 1
  // @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: {
    .label SCREEN = $400
    .label person = persons+SIZEOF_STRUCT_PERSON
    // SCREEN[0] = person->name[2]
    // [4] *((const byte*) main::SCREEN) ← *((byte*)(const struct Person*) persons+(const byte) OFFSET_STRUCT_PERSON_NAME+(byte) 2) -- _deref_pbuc1=_deref_pbuc2 
    lda persons+OFFSET_STRUCT_PERSON_NAME+2
    sta SCREEN
    // SCREEN[1] = person->name[2]
    // [5] *((const byte*) main::SCREEN+(byte) 1) ← *((byte*)(const struct Person*) main::person#1+(const byte) OFFSET_STRUCT_PERSON_NAME+(byte) 2) -- _deref_pbuc1=_deref_pbuc2 
    lda person+OFFSET_STRUCT_PERSON_NAME+2
    sta SCREEN+1
    // main::@return
    // }
    // [6] return 
    rts
}
  // File Data
  persons: .byte 7
  .text "jesper"
  .byte 0
  .fill 6, 0
  .word $141
  .byte 9
  .text "henry"
  .byte 0
  .fill 7, 0
  .word $7b

