Added struct type cast to parameter value list main::$0 = call print('c', (struct format){ '-', '-' })
Inlined call call __init

CONTROL FLOW GRAPH SSA

void main()
main: scope:[main]  from __start::@1
  idx#15 = phi( __start::@1/idx#16 )
  print::c#0 = 'c'
  print::fmt_prefix#0 = '-'
  print::fmt_postfix#0 = '-'
  call print
  to:main::@1
main::@1: scope:[main]  from main
  idx#9 = phi( main/idx#5 )
  idx#0 = idx#9
  to:main::@return
main::@return: scope:[main]  from main::@1
  idx#10 = phi( main::@1/idx#0 )
  idx#1 = idx#10
  return 
  to:@return

void print(char c , char fmt_prefix , char fmt_postfix)
print: scope:[print]  from main
  print::fmt_postfix#1 = phi( main/print::fmt_postfix#0 )
  print::c#1 = phi( main/print::c#0 )
  idx#11 = phi( main/idx#15 )
  print::fmt_prefix#1 = phi( main/print::fmt_prefix#0 )
  SCREEN[idx#11] = print::fmt_prefix#1
  idx#2 = ++ idx#11
  SCREEN[idx#2] = print::c#1
  idx#3 = ++ idx#2
  SCREEN[idx#3] = print::fmt_postfix#1
  idx#4 = ++ idx#3
  to:print::@return
print::@return: scope:[print]  from print
  idx#12 = phi( print/idx#4 )
  idx#5 = idx#12
  return 
  to:@return

void __start()
__start: scope:[__start]  from
  to:__start::__init1
__start::__init1: scope:[__start]  from __start
  idx#6 = 0
  to:__start::@1
__start::@1: scope:[__start]  from __start::__init1
  idx#16 = phi( __start::__init1/idx#6 )
  call main
  to:__start::@2
__start::@2: scope:[__start]  from __start::@1
  idx#13 = phi( __start::@1/idx#1 )
  idx#7 = idx#13
  to:__start::@return
__start::@return: scope:[__start]  from __start::@2
  idx#14 = phi( __start::@2/idx#7 )
  idx#8 = idx#14
  return 
  to:@return

SYMBOL TABLE SSA
__constant char * const SCREEN = (char *)$400
void __start()
char idx
char idx#0
char idx#1
char idx#10
char idx#11
char idx#12
char idx#13
char idx#14
char idx#15
char idx#16
char idx#2
char idx#3
char idx#4
char idx#5
char idx#6
char idx#7
char idx#8
char idx#9
void main()
void print(char c , char fmt_prefix , char fmt_postfix)
char print::c
char print::c#0
char print::c#1
struct format print::fmt
char print::fmt_postfix
char print::fmt_postfix#0
char print::fmt_postfix#1
char print::fmt_prefix
char print::fmt_prefix#0
char print::fmt_prefix#1

Simplifying constant pointer cast (char *) 1024
Successful SSA optimization PassNCastSimplification
Alias idx#0 = idx#9 idx#10 idx#1 
Alias idx#12 = idx#4 idx#5 
Alias idx#16 = idx#6 
Alias idx#13 = idx#7 idx#14 idx#8 
Successful SSA optimization Pass2AliasElimination
Identical Phi Values idx#15 idx#16
Identical Phi Values idx#0 idx#12
Identical Phi Values print::fmt_prefix#1 print::fmt_prefix#0
Identical Phi Values idx#11 idx#15
Identical Phi Values print::c#1 print::c#0
Identical Phi Values print::fmt_postfix#1 print::fmt_postfix#0
Identical Phi Values idx#13 idx#0
Successful SSA optimization Pass2IdenticalPhiElimination
Constant print::c#0 = 'c'
Constant print::fmt_prefix#0 = '-'
Constant print::fmt_postfix#0 = '-'
Constant idx#16 = 0
Successful SSA optimization Pass2ConstantIdentification
Simplifying expression containing zero SCREEN in [8] SCREEN[idx#16] = print::fmt_prefix#0
Successful SSA optimization PassNSimplifyExpressionWithZero
Eliminating unused variable idx#12 and assignment [7] idx#12 = ++ idx#3
Successful SSA optimization PassNEliminateUnusedVars
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 right-side identified [3] idx#2 = ++ idx#16
Successful SSA optimization Pass2ConstantRValueConsolidation
Constant idx#2 = ++idx#16
Successful SSA optimization Pass2ConstantIdentification
Constant right-side identified [4] idx#3 = ++ idx#2
Successful SSA optimization Pass2ConstantRValueConsolidation
Constant idx#3 = ++idx#2
Successful SSA optimization Pass2ConstantIdentification
Inlining constant with different constant siblings idx#16
Inlining constant with different constant siblings idx#2
Inlining constant with different constant siblings idx#3
Constant inlined idx#2 = ++0
Constant inlined idx#16 = 0
Constant inlined idx#3 = ++++0
Successful SSA optimization Pass2ConstantInlining
Consolidated array index constant in *(SCREEN+++0)
Consolidated array index constant in *(SCREEN+++++0)
Successful SSA optimization Pass2ConstantAdditionElimination
Simplifying constant integer increment ++0
Simplifying constant integer increment ++0
Successful SSA optimization Pass2ConstantSimplification
Simplifying constant integer increment ++1
Successful SSA optimization Pass2ConstantSimplification
Adding NOP phi() at start of main
Adding NOP phi() at start of main::@1
CALL GRAPH
Calls in [main] to print:1 

Created 0 initial phi equivalence classes
Coalesced down to 0 phi equivalence classes
Culled Empty Block label main::@1
Adding NOP phi() at start of main

FINAL CONTROL FLOW GRAPH

void main()
main: scope:[main]  from
  [0] phi()
  [1] call print
  to:main::@return
main::@return: scope:[main]  from main
  [2] return 
  to:@return

void print(char c , char fmt_prefix , char fmt_postfix)
print: scope:[print]  from main
  [3] *SCREEN = print::fmt_prefix#0
  [4] *(SCREEN+1) = print::c#0
  [5] *(SCREEN+2) = print::fmt_postfix#0
  to:print::@return
print::@return: scope:[print]  from print
  [6] return 
  to:@return


VARIABLE REGISTER WEIGHTS
char idx
void main()
void print(char c , char fmt_prefix , char fmt_postfix)
char print::c
struct format print::fmt
char print::fmt_postfix
char print::fmt_prefix

Initial phi equivalence classes
Complete equivalence classes
REGISTER UPLIFT POTENTIAL REGISTERS
Statement [3] *SCREEN = print::fmt_prefix#0 [ ] ( print:1 [ ] { }  ) always clobbers reg byte a 
Statement [4] *(SCREEN+1) = print::c#0 [ ] ( print:1 [ ] { }  ) always clobbers reg byte a 
Statement [5] *(SCREEN+2) = print::fmt_postfix#0 [ ] ( print:1 [ ] { }  ) always clobbers reg byte a 

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

Uplifting [format] best 42 combination 
Uplifting [main] best 42 combination 
Uplifting [print] best 42 combination 
Uplifting [] best 42 combination 

ASSEMBLER BEFORE OPTIMIZATION
  // File Comments
// Illustrates problem with passing an inline struct value as a parameter
  // Upstart
  // Commodore 64 PRG executable file
.file [name="problem-struct-inline-parameter-1.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: {
    // [1] call print
    jsr print
    jmp __breturn
    // main::@return
  __breturn:
    // [2] return 
    rts
}
  // print
// void print(char c, char fmt_prefix, char fmt_postfix)
print: {
    .const c = 'c'
    .const fmt_prefix = '-'
    .const fmt_postfix = '-'
    // [3] *SCREEN = print::fmt_prefix#0 -- _deref_pbuc1=vbuc2 
    lda #fmt_prefix
    sta SCREEN
    // [4] *(SCREEN+1) = print::c#0 -- _deref_pbuc1=vbuc2 
    lda #c
    sta SCREEN+1
    // [5] *(SCREEN+2) = print::fmt_postfix#0 -- _deref_pbuc1=vbuc2 
    lda #fmt_postfix
    sta SCREEN+2
    jmp __breturn
    // print::@return
  __breturn:
    // [6] return 
    rts
}
  // File Data

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

FINAL SYMBOL TABLE
__constant char * const SCREEN = (char *) 1024
char idx
void main()
void print(char c , char fmt_prefix , char fmt_postfix)
char print::c
__constant char print::c#0 = 'c' // c
struct format print::fmt
char print::fmt_postfix
__constant char print::fmt_postfix#0 = '-' // fmt_postfix
char print::fmt_prefix
__constant char print::fmt_prefix#0 = '-' // fmt_prefix



FINAL ASSEMBLER
Score: 36

  // File Comments
// Illustrates problem with passing an inline struct value as a parameter
  // Upstart
  // Commodore 64 PRG executable file
.file [name="problem-struct-inline-parameter-1.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: {
    // print('c', { '-', '-' } )
    // [1] call print
    jsr print
    // main::@return
    // }
    // [2] return 
    rts
}
  // print
// void print(char c, char fmt_prefix, char fmt_postfix)
print: {
    .const c = 'c'
    .const fmt_prefix = '-'
    .const fmt_postfix = '-'
    // SCREEN[idx++] = fmt.prefix
    // [3] *SCREEN = print::fmt_prefix#0 -- _deref_pbuc1=vbuc2 
    lda #fmt_prefix
    sta SCREEN
    // SCREEN[idx++] = c
    // [4] *(SCREEN+1) = print::c#0 -- _deref_pbuc1=vbuc2 
    lda #c
    sta SCREEN+1
    // SCREEN[idx++] = fmt.postfix
    // [5] *(SCREEN+2) = print::fmt_postfix#0 -- _deref_pbuc1=vbuc2 
    lda #fmt_postfix
    sta SCREEN+2
    // print::@return
    // }
    // [6] return 
    rts
}
  // File Data