kickc/src/test/ref/const-declaration.log

CONTROL FLOW GRAPH SSA

(void()) main()
main: scope:[main]  from _start
  *((const nomodify byte*) BODY1) ← (byte) '*'
  *((const nomodify byte*) BODY2) ← (byte) '*'
  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
(const nomodify byte*) BODY1 = (const nomodify byte*) SCREEN+(const nomodify byte) MARGIN_TOP*(const nomodify byte) LINE_LEN+(const nomodify byte) MARGIN_LEFT
(const nomodify byte*) BODY2 = (const nomodify byte*) SCREEN+(const nomodify word) OFFSET
(const nomodify byte) LINE_LEN = (byte) $28
(const nomodify byte) MARGIN_LEFT = (byte) 4
(const nomodify byte) MARGIN_TOP = (byte) 4
(const nomodify word) OFFSET = (word)(number) $28*(number) 5+(number) 5
(const nomodify byte*) SCREEN = (byte*)(number) $400
(void()) _start()
(label) _start::@1
(label) _start::@return
(void()) main()
(label) main::@return

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
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] *((const nomodify byte*) BODY1) ← (byte) '*'
  [1] *((const nomodify byte*) BODY2) ← (byte) '*'
  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

INITIAL ASM
Target platform is c64basic / MOS6502X
  // File Comments
// Tests a number of constant declarations
  // Upstart
.pc = $801 "Basic"
:BasicUpstart(main)
.pc = $80d "Program"
  // 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
  // main
main: {
    // [0] *((const nomodify byte*) BODY1) ← (byte) '*' -- _deref_pbuc1=vbuc2 
    lda #'*'
    sta BODY1
    // [1] *((const nomodify byte*) BODY2) ← (byte) '*' -- _deref_pbuc1=vbuc2 
    lda #'*'
    sta BODY2
    jmp __breturn
    // main::@return
  __breturn:
    // [2] return 
    rts
}
  // File Data

REGISTER UPLIFT POTENTIAL REGISTERS
Statement [0] *((const nomodify byte*) BODY1) ← (byte) '*' [ ] (  [ ] { }  ) always clobbers reg byte a 
Statement [1] *((const nomodify byte*) BODY2) ← (byte) '*' [ ] (  [ ] { }  ) 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
.pc = $801 "Basic"
:BasicUpstart(main)
.pc = $80d "Program"
  // 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
  // main
main: {
    // [0] *((const nomodify byte*) BODY1) ← (byte) '*' -- _deref_pbuc1=vbuc2 
    lda #'*'
    sta BODY1
    // [1] *((const nomodify byte*) BODY2) ← (byte) '*' -- _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
(const nomodify byte*) BODY1 = (const nomodify byte*) SCREEN+(const nomodify byte) MARGIN_TOP*(const nomodify byte) LINE_LEN+(const nomodify byte) MARGIN_LEFT
(const nomodify byte*) BODY2 = (const nomodify byte*) SCREEN+(const nomodify word) OFFSET
(const nomodify byte) LINE_LEN = (byte) $28
(const nomodify byte) MARGIN_LEFT = (byte) 4
(const nomodify byte) MARGIN_TOP = (byte) 4
(const nomodify word) OFFSET = (word)(number) $28*(number) 5+(number) 5
(const nomodify byte*) SCREEN = (byte*) 1024
(void()) main()
(label) main::@return



FINAL ASSEMBLER
Score: 16

  // File Comments
// Tests a number of constant declarations
  // Upstart
.pc = $801 "Basic"
:BasicUpstart(main)
.pc = $80d "Program"
  // 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
  // main
main: {
    // *BODY1 = '*'
    // [0] *((const nomodify byte*) BODY1) ← (byte) '*' -- _deref_pbuc1=vbuc2 
    lda #'*'
    sta BODY1
    // *BODY2 = '*'
    // [1] *((const nomodify byte*) BODY2) ← (byte) '*' -- _deref_pbuc1=vbuc2 
    sta BODY2
    // main::@return
    // }
    // [2] return 
    rts
}
  // File Data