Inlined call call __init

CONTROL FLOW GRAPH SSA

void main()
main: scope:[main]  from __start::@1
  b[0] = 'c'
  *SCREEN = b[0]
  main::$0 = SCREEN + 1
  *main::$0 = c[1]
  main::$1 = SCREEN + 2
  *main::$1 = d[2]
  to:main::@return
main::@return: scope:[main]  from main
  return 
  to:@return

void __start()
__start: scope:[__start]  from
  to:__start::__init1
__start::__init1: scope:[__start]  from __start
  to:__start::@1
__start::@1: scope:[__start]  from __start::__init1
  call main
  to:__start::@2
__start::@2: scope:[__start]  from __start::@1
  to:__start::@return
__start::@return: scope:[__start]  from __start::@2
  return 
  to:@return

SYMBOL TABLE SSA
__constant char *SCREEN = (char *)$400
void __start()
__constant char b[3] = { fill( 3, 0) }
__constant char c[] = { 'c', 'm', 'l' }
__constant char d[] = "cml"z
void main()
char *main::$0
char *main::$1

Adding number conversion cast (unumber) 0 in b[0] = 'c'
Adding number conversion cast (unumber) 0 in *SCREEN = b[0]
Adding number conversion cast (unumber) 1 in main::$0 = SCREEN + 1
Adding number conversion cast (unumber) 1 in *main::$0 = c[1]
Adding number conversion cast (unumber) 2 in main::$1 = SCREEN + 2
Adding number conversion cast (unumber) 2 in *main::$1 = d[2]
Successful SSA optimization PassNAddNumberTypeConversions
Simplifying constant pointer cast (char *) 1024
Simplifying constant integer cast 0
Simplifying constant integer cast 0
Simplifying constant integer cast 1
Simplifying constant integer cast 1
Simplifying constant integer cast 2
Simplifying constant integer cast 2
Successful SSA optimization PassNCastSimplification
Finalized unsigned number type (char) 0
Finalized unsigned number type (char) 0
Finalized unsigned number type (char) 1
Finalized unsigned number type (char) 1
Finalized unsigned number type (char) 2
Finalized unsigned number type (char) 2
Successful SSA optimization PassNFinalizeNumberTypeConversions
Constant right-side identified [2] main::$0 = SCREEN + 1
Constant right-side identified [4] main::$1 = SCREEN + 2
Successful SSA optimization Pass2ConstantRValueConsolidation
Constant main::$0 = SCREEN+1
Constant main::$1 = SCREEN+2
Successful SSA optimization Pass2ConstantIdentification
Simplifying expression containing zero b in [0] b[0] = 'c'
Simplifying expression containing zero b in [1] *SCREEN = b[0]
Successful SSA optimization PassNSimplifyExpressionWithZero
Removing unused procedure __start
Removing unused procedure block __start
Removing unused procedure block __start::__init1
Removing unused procedure block __start::@1
Removing unused procedure block __start::@2
Removing unused procedure block __start::@return
Successful SSA optimization PassNEliminateEmptyStart
Constant inlined main::$1 = SCREEN+2
Constant inlined main::$0 = SCREEN+1
Successful SSA optimization Pass2ConstantInlining
Consolidated array index constant in *(c+1)
Consolidated array index constant in *(d+2)
Successful SSA optimization Pass2ConstantAdditionElimination
Finalized unsigned number type (char) 3
Finalized unsigned number type (char) 3
Successful SSA optimization PassNFinalizeNumberTypeConversions
CALL GRAPH

Created 0 initial phi equivalence classes
Coalesced down to 0 phi equivalence classes

FINAL CONTROL FLOW GRAPH

void main()
main: scope:[main]  from
  [0] *b = 'c'
  [1] *SCREEN = *b
  [2] *(SCREEN+1) = *(c+1)
  [3] *(SCREEN+2) = *(d+2)
  to:main::@return
main::@return: scope:[main]  from main
  [4] return 
  to:@return


VARIABLE REGISTER WEIGHTS
void main()

Initial phi equivalence classes
Complete equivalence classes
REGISTER UPLIFT POTENTIAL REGISTERS
Statement [0] *b = 'c' [ ] (  [ ] { }  ) always clobbers reg byte a 
Statement [1] *SCREEN = *b [ ] (  [ ] { }  ) always clobbers reg byte a 
Statement [2] *(SCREEN+1) = *(c+1) [ ] (  [ ] { }  ) always clobbers reg byte a 
Statement [3] *(SCREEN+2) = *(d+2) [ ] (  [ ] { }  ) always clobbers reg byte a 

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

Uplifting [main] best 39 combination 
Uplifting [] best 39 combination 

ASSEMBLER BEFORE OPTIMIZATION
  // File Comments
  // Upstart
  // Commodore 64 PRG executable file
.file [name="arrays-init.prg", type="prg", segments="Program"]
.segmentdef Program [segments="Basic, Code, Data"]
.segmentdef Basic [start=$0801]
.segmentdef Code [start=$80d]
.segmentdef Data [startAfter="Code"]
.segment Basic
:BasicUpstart(main)
  // Global Constants & labels
  .label SCREEN = $400
.segment Code
  // main
main: {
    // [0] *b = 'c' -- _deref_pbuc1=vbuc2 
    lda #'c'
    sta b
    // [1] *SCREEN = *b -- _deref_pbuc1=_deref_pbuc2 
    lda b
    sta SCREEN
    // [2] *(SCREEN+1) = *(c+1) -- _deref_pbuc1=_deref_pbuc2 
    lda c+1
    sta SCREEN+1
    // [3] *(SCREEN+2) = *(d+2) -- _deref_pbuc1=_deref_pbuc2 
    lda d+2
    sta SCREEN+2
    jmp __breturn
    // main::@return
  __breturn:
    // [4] return 
    rts
}
  // File Data
.segment Data
  b: .fill 3, 0
  c: .byte 'c', 'm', 'l'
  d: .text "cml"

ASSEMBLER OPTIMIZATIONS
Removing instruction jmp __breturn
Succesful ASM optimization Pass5NextJumpElimination
Removing instruction lda b
Succesful ASM optimization Pass5UnnecesaryLoadElimination
Removing instruction __breturn:
Succesful ASM optimization Pass5UnusedLabelElimination

FINAL SYMBOL TABLE
__constant char *SCREEN = (char *) 1024
__constant char b[3] = { fill( 3, 0) }
__constant char c[] = { 'c', 'm', 'l' }
__constant char d[] = "cml"z
void main()



FINAL ASSEMBLER
Score: 32

  // File Comments
  // Upstart
  // Commodore 64 PRG executable file
.file [name="arrays-init.prg", type="prg", segments="Program"]
.segmentdef Program [segments="Basic, Code, Data"]
.segmentdef Basic [start=$0801]
.segmentdef Code [start=$80d]
.segmentdef Data [startAfter="Code"]
.segment Basic
:BasicUpstart(main)
  // Global Constants & labels
  .label SCREEN = $400
.segment Code
  // main
main: {
    // b[0] = 'c'
    // [0] *b = 'c' -- _deref_pbuc1=vbuc2 
    lda #'c'
    sta b
    // *SCREEN = b[0]
    // [1] *SCREEN = *b -- _deref_pbuc1=_deref_pbuc2 
    sta SCREEN
    // *(SCREEN+1) = c[1]
    // [2] *(SCREEN+1) = *(c+1) -- _deref_pbuc1=_deref_pbuc2 
    lda c+1
    sta SCREEN+1
    // *(SCREEN+2) = d[2]
    // [3] *(SCREEN+2) = *(d+2) -- _deref_pbuc1=_deref_pbuc2 
    lda d+2
    sta SCREEN+2
    // main::@return
    // }
    // [4] return 
    rts
}
  // File Data
.segment Data
  b: .fill 3, 0
  c: .byte 'c', 'm', 'l'
  d: .text "cml"

