CONTROL FLOW GRAPH SSA

void main()
main: scope:[main]  from __start
  *BODY1 = '*'
  *BODY2 = '*'
  to:main::@return
main::@return: scope:[main]  from main
  return 
  to:@return

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

SYMBOL TABLE SSA
constant byte* const BODY1 = SCREEN+MARGIN_TOP*LINE_LEN+MARGIN_LEFT
constant byte* const BODY2 = SCREEN+OFFSET
constant const byte LINE_LEN = $28
constant const byte MARGIN_LEFT = 4
constant const byte MARGIN_TOP = 4
constant const word OFFSET = (word)$28*5+5
constant byte* const SCREEN = (byte*)$400
void __start()
void main()

Simplifying constant pointer cast (byte*) 1024
Successful SSA optimization PassNCastSimplification
Removing unused procedure __start
Removing unused procedure block __start
Removing unused procedure block __start::@1
Removing unused procedure block __start::@return
Successful SSA optimization PassNEliminateEmptyStart
Finalized unsigned number type (byte) $28
Finalized unsigned number type (byte) 5
Finalized unsigned number type (byte) 5
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] *BODY1 = '*'
  [1] *BODY2 = '*'
  to:main::@return
main::@return: scope:[main]  from main
  [2] return 
  to:@return


VARIABLE REGISTER WEIGHTS
void main()

Initial phi equivalence classes
Complete equivalence classes
REGISTER UPLIFT POTENTIAL REGISTERS
Statement [0] *BODY1 = '*' [ ] (  [ ] { }  ) always clobbers reg byte a 
Statement [1] *BODY2 = '*' [ ] (  [ ] { }  ) always clobbers reg byte a 

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

Uplifting [main] best 21 combination 
Uplifting [] best 21 combination 

ASSEMBLER BEFORE OPTIMIZATION
  // File Comments
// Tests a number of constant declarations
  // Upstart
  // Commodore 64 PRG executable file
.file [name="const-declaration.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
  .const LINE_LEN = $28
  .const MARGIN_TOP = 4
  .const MARGIN_LEFT = 4
  .const OFFSET = $28*5+5
  .label SCREEN = $400
  .label BODY1 = SCREEN+MARGIN_TOP*LINE_LEN+MARGIN_LEFT
  .label BODY2 = SCREEN+OFFSET
.segment Code
  // main
main: {
    // [0] *BODY1 = '*' -- _deref_pbuc1=vbuc2 
    lda #'*'
    sta BODY1
    // [1] *BODY2 = '*' -- _deref_pbuc1=vbuc2 
    lda #'*'
    sta BODY2
    jmp __breturn
    // main::@return
  __breturn:
    // [2] return 
    rts
}
  // File Data

ASSEMBLER OPTIMIZATIONS
Removing instruction jmp __breturn
Succesful ASM optimization Pass5NextJumpElimination
Removing instruction lda #'*'
Succesful ASM optimization Pass5UnnecesaryLoadElimination
Removing instruction __breturn:
Succesful ASM optimization Pass5UnusedLabelElimination

FINAL SYMBOL TABLE
constant byte* const BODY1 = SCREEN+MARGIN_TOP*LINE_LEN+MARGIN_LEFT
constant byte* const BODY2 = SCREEN+OFFSET
constant const byte LINE_LEN = $28
constant const byte MARGIN_LEFT = 4
constant const byte MARGIN_TOP = 4
constant const word OFFSET = (word)$28*5+5
constant byte* const SCREEN = (byte*) 1024
void main()



FINAL ASSEMBLER
Score: 16

  // File Comments
// Tests a number of constant declarations
  // Upstart
  // Commodore 64 PRG executable file
.file [name="const-declaration.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
  .const LINE_LEN = $28
  .const MARGIN_TOP = 4
  .const MARGIN_LEFT = 4
  .const OFFSET = $28*5+5
  .label SCREEN = $400
  .label BODY1 = SCREEN+MARGIN_TOP*LINE_LEN+MARGIN_LEFT
  .label BODY2 = SCREEN+OFFSET
.segment Code
  // main
main: {
    // *BODY1 = '*'
    // [0] *BODY1 = '*' -- _deref_pbuc1=vbuc2 
    lda #'*'
    sta BODY1
    // *BODY2 = '*'
    // [1] *BODY2 = '*' -- _deref_pbuc1=vbuc2 
    sta BODY2
    // main::@return
    // }
    // [2] return 
    rts
}
  // File Data