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kickc/src/test/ref/condition-integer-4.log

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CONTROL FLOW GRAPH SSA
(void()) main()
main: scope:[main] from __start
(byte) main::idx#0 ← (byte) 0
(byte) main::i#0 ← (byte) 0
to:main::@1
main::@1: scope:[main] from main main::@5
(byte) main::idx#7 ← phi( main/(byte) main::idx#0 main::@5/(byte) main::idx#1 )
(byte) main::i#2 ← phi( main/(byte) main::i#0 main::@5/(byte) main::i#1 )
(number~) main::$0 ← (byte) main::i#2 & (number) 1
(bool~) main::$13 ← (number) 0 != (number~) main::$0
(bool~) main::$1 ← ! (bool~) main::$13
if((bool~) main::$1) goto main::@2
to:main::@6
main::@2: scope:[main] from main::@1 main::@6
(byte) main::idx#8 ← phi( main::@1/(byte) main::idx#7 main::@6/(byte) main::idx#2 )
(byte) main::i#3 ← phi( main::@1/(byte) main::i#2 main::@6/(byte) main::i#7 )
(number~) main::$2 ← (byte) main::i#3 & (number) 2
(bool~) main::$14 ← (number) 0 != (number~) main::$2
(bool~) main::$3 ← ! (bool~) main::$14
if((bool~) main::$3) goto main::@3
to:main::@7
main::@6: scope:[main] from main::@1
(byte) main::i#7 ← phi( main::@1/(byte) main::i#2 )
(byte) main::idx#2 ← phi( main::@1/(byte) main::idx#7 )
*((const nomodify byte*) SCREEN+(number) $28*(number) 0 + (byte) main::idx#2) ← (byte) '+'
to:main::@2
main::@3: scope:[main] from main::@2 main::@7
(byte) main::idx#9 ← phi( main::@2/(byte) main::idx#8 main::@7/(byte) main::idx#3 )
(byte) main::i#4 ← phi( main::@2/(byte) main::i#3 main::@7/(byte) main::i#8 )
(number~) main::$4 ← (byte) main::i#4 & (number) 1
(number~) main::$5 ← (byte) main::i#4 & (number) 2
(bool~) main::$6 ← (number~) main::$4 && (number~) main::$5
(bool~) main::$7 ← ! (bool~) main::$6
if((bool~) main::$7) goto main::@4
to:main::@8
main::@7: scope:[main] from main::@2
(byte) main::i#8 ← phi( main::@2/(byte) main::i#3 )
(byte) main::idx#3 ← phi( main::@2/(byte) main::idx#8 )
*((const nomodify byte*) SCREEN+(number) $28*(number) 1 + (byte) main::idx#3) ← (byte) '+'
to:main::@3
main::@4: scope:[main] from main::@3 main::@8
(byte) main::idx#10 ← phi( main::@3/(byte) main::idx#9 main::@8/(byte) main::idx#4 )
(byte) main::i#5 ← phi( main::@3/(byte) main::i#4 main::@8/(byte) main::i#9 )
(number~) main::$8 ← (byte) main::i#5 & (number) 1
(number~) main::$9 ← (byte) main::i#5 & (number) 2
(bool~) main::$10 ← (number~) main::$8 || (number~) main::$9
(bool~) main::$11 ← ! (bool~) main::$10
if((bool~) main::$11) goto main::@5
to:main::@9
main::@8: scope:[main] from main::@3
(byte) main::i#9 ← phi( main::@3/(byte) main::i#4 )
(byte) main::idx#4 ← phi( main::@3/(byte) main::idx#9 )
*((const nomodify byte*) SCREEN+(number) $28*(number) 2 + (byte) main::idx#4) ← (byte) '+'
to:main::@4
main::@5: scope:[main] from main::@4 main::@9
(byte) main::i#6 ← phi( main::@4/(byte) main::i#5 main::@9/(byte) main::i#10 )
(byte) main::idx#5 ← phi( main::@4/(byte) main::idx#10 main::@9/(byte) main::idx#6 )
(byte) main::idx#1 ← ++ (byte) main::idx#5
(byte) main::i#1 ← (byte) main::i#6 + rangenext(0,7)
(bool~) main::$12 ← (byte) main::i#1 != rangelast(0,7)
if((bool~) main::$12) goto main::@1
to:main::@return
main::@9: scope:[main] from main::@4
(byte) main::i#10 ← phi( main::@4/(byte) main::i#5 )
(byte) main::idx#6 ← phi( main::@4/(byte) main::idx#10 )
*((const nomodify byte*) SCREEN+(number) $28*(number) 3 + (byte) main::idx#6) ← (byte) '+'
to:main::@5
main::@return: scope:[main] from main::@5
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*) SCREEN = (byte*)(number) $400
(void()) __start()
(label) __start::@1
(label) __start::@return
(void()) main()
(number~) main::$0
(bool~) main::$1
(bool~) main::$10
(bool~) main::$11
(bool~) main::$12
(bool~) main::$13
(bool~) main::$14
(number~) main::$2
(bool~) main::$3
(number~) main::$4
(number~) main::$5
(bool~) main::$6
(bool~) main::$7
(number~) main::$8
(number~) main::$9
(label) main::@1
(label) main::@2
(label) main::@3
(label) main::@4
(label) main::@5
(label) main::@6
(label) main::@7
(label) main::@8
(label) main::@9
(label) main::@return
(byte) main::i
(byte) main::i#0
(byte) main::i#1
(byte) main::i#10
(byte) main::i#2
(byte) main::i#3
(byte) main::i#4
(byte) main::i#5
(byte) main::i#6
(byte) main::i#7
(byte) main::i#8
(byte) main::i#9
(byte) main::idx
(byte) main::idx#0
(byte) main::idx#1
(byte) main::idx#10
(byte) main::idx#2
(byte) main::idx#3
(byte) main::idx#4
(byte) main::idx#5
(byte) main::idx#6
(byte) main::idx#7
(byte) main::idx#8
(byte) main::idx#9
Adding number conversion cast (unumber) 1 in (number~) main::$0 ← (byte) main::i#2 & (number) 1
Adding number conversion cast (unumber) main::$0 in (number~) main::$0 ← (byte) main::i#2 & (unumber)(number) 1
Adding number conversion cast (unumber) 0 in (bool~) main::$13 ← (number) 0 != (unumber~) main::$0
Adding number conversion cast (unumber) 2 in (number~) main::$2 ← (byte) main::i#3 & (number) 2
Adding number conversion cast (unumber) main::$2 in (number~) main::$2 ← (byte) main::i#3 & (unumber)(number) 2
Adding number conversion cast (unumber) 0 in (bool~) main::$14 ← (number) 0 != (unumber~) main::$2
Adding number conversion cast (unumber) $28*0 in *((const nomodify byte*) SCREEN+(number) $28*(number) 0 + (byte) main::idx#2) ← (byte) '+'
Adding number conversion cast (unumber) 1 in (number~) main::$4 ← (byte) main::i#4 & (number) 1
Adding number conversion cast (unumber) main::$4 in (number~) main::$4 ← (byte) main::i#4 & (unumber)(number) 1
Adding number conversion cast (unumber) 2 in (number~) main::$5 ← (byte) main::i#4 & (number) 2
Adding number conversion cast (unumber) main::$5 in (number~) main::$5 ← (byte) main::i#4 & (unumber)(number) 2
Adding number conversion cast (unumber) $28*1 in *((const nomodify byte*) SCREEN+(number) $28*(number) 1 + (byte) main::idx#3) ← (byte) '+'
Adding number conversion cast (unumber) 1 in (number~) main::$8 ← (byte) main::i#5 & (number) 1
Adding number conversion cast (unumber) main::$8 in (number~) main::$8 ← (byte) main::i#5 & (unumber)(number) 1
Adding number conversion cast (unumber) 2 in (number~) main::$9 ← (byte) main::i#5 & (number) 2
Adding number conversion cast (unumber) main::$9 in (number~) main::$9 ← (byte) main::i#5 & (unumber)(number) 2
Adding number conversion cast (unumber) $28*2 in *((const nomodify byte*) SCREEN+(number) $28*(number) 2 + (byte) main::idx#4) ← (byte) '+'
Adding number conversion cast (unumber) $28*3 in *((const nomodify byte*) SCREEN+(number) $28*(number) 3 + (byte) main::idx#6) ← (byte) '+'
Successful SSA optimization PassNAddNumberTypeConversions
Simplifying constant pointer cast (byte*) 1024
Simplifying constant integer cast 1
Simplifying constant integer cast 0
Simplifying constant integer cast 2
Simplifying constant integer cast 0
Simplifying constant integer cast 1
Simplifying constant integer cast 2
Simplifying constant integer cast 1
Simplifying constant integer cast 2
Successful SSA optimization PassNCastSimplification
Finalized unsigned number type (byte) 1
Finalized unsigned number type (byte) 0
Finalized unsigned number type (byte) 2
Finalized unsigned number type (byte) 0
Finalized unsigned number type (byte) 1
Finalized unsigned number type (byte) 2
Finalized unsigned number type (byte) 1
Finalized unsigned number type (byte) 2
Successful SSA optimization PassNFinalizeNumberTypeConversions
Inferred type updated to byte in (unumber~) main::$0 ← (byte) main::i#2 & (byte) 1
Inferred type updated to byte in (unumber~) main::$2 ← (byte) main::i#3 & (byte) 2
Inferred type updated to byte in (unumber~) main::$4 ← (byte) main::i#4 & (byte) 1
Inferred type updated to byte in (unumber~) main::$5 ← (byte) main::i#4 & (byte) 2
Inferred type updated to byte in (unumber~) main::$8 ← (byte) main::i#5 & (byte) 1
Inferred type updated to byte in (unumber~) main::$9 ← (byte) main::i#5 & (byte) 2
Inversing boolean not [5] (bool~) main::$1 ← (byte) 0 == (byte~) main::$0 from [4] (bool~) main::$13 ← (byte) 0 != (byte~) main::$0
Inversing boolean not [10] (bool~) main::$3 ← (byte) 0 == (byte~) main::$2 from [9] (bool~) main::$14 ← (byte) 0 != (byte~) main::$2
Successful SSA optimization Pass2UnaryNotSimplification
Alias main::idx#2 = main::idx#7
Alias main::i#2 = main::i#7
Alias main::idx#3 = main::idx#8
Alias main::i#3 = main::i#8
Alias main::idx#4 = main::idx#9
Alias main::i#4 = main::i#9
Alias main::idx#10 = main::idx#6
Alias main::i#10 = main::i#5
Successful SSA optimization Pass2AliasElimination
Alias main::i#10 = main::i#3 main::i#2 main::i#4 main::i#6
Alias main::idx#10 = main::idx#3 main::idx#2 main::idx#4 main::idx#5
Successful SSA optimization Pass2AliasElimination
Identified duplicate assignment right side [15] (byte~) main::$4 ← (byte) main::i#10 & (byte) 1
Identified duplicate assignment right side [16] (byte~) main::$5 ← (byte) main::i#10 & (byte) 2
Identified duplicate assignment right side [23] (byte~) main::$8 ← (byte) main::i#10 & (byte) 1
Identified duplicate assignment right side [24] (byte~) main::$9 ← (byte) main::i#10 & (byte) 2
Successful SSA optimization Pass2DuplicateRValueIdentification
Simple Condition (bool~) main::$1 [5] if((byte) 0==(byte~) main::$0) goto main::@2
Simple Condition (bool~) main::$3 [8] if((byte) 0==(byte~) main::$2) goto main::@3
Simple Condition (bool~) main::$12 [25] if((byte) main::i#1!=rangelast(0,7)) goto main::@1
Successful SSA optimization Pass2ConditionalJumpSimplification
Rewriting ! if()-condition to reversed if() [13] (bool~) main::$7 ← ! (bool~) main::$6
Rewriting && if()-condition to two if()s [12] (bool~) main::$6 ← (byte~) main::$4 && (byte~) main::$5
Rewriting ! if()-condition to reversed if() [19] (bool~) main::$11 ← ! (bool~) main::$10
Rewriting || if()-condition to two if()s [18] (bool~) main::$10 ← (byte~) main::$8 || (byte~) main::$9
Successful SSA optimization Pass2ConditionalAndOrRewriting
Warning! Adding boolean cast to non-boolean condition (byte~) main::$4
Warning! Adding boolean cast to non-boolean condition (byte~) main::$8
Warning! Adding boolean cast to non-boolean condition (byte~) main::$5
Warning! Adding boolean cast to non-boolean condition (byte~) main::$9
Constant (const byte) main::idx#0 = 0
Constant (const byte) main::i#0 = 0
Successful SSA optimization Pass2ConstantIdentification
Resolved ranged next value [23] main::i#1 ← ++ main::i#10 to ++
Resolved ranged comparison value [25] if(main::i#1!=rangelast(0,7)) goto main::@1 to (number) 8
Simplifying constant evaluating to zero (byte)(number) $28*(number) 0 in [9] *((const nomodify byte*) SCREEN+(byte)(number) $28*(number) 0 + (byte) main::idx#10) ← (byte) '+'
Successful SSA optimization PassNSimplifyConstantZero
Simplifying expression containing zero SCREEN in [9] *((const nomodify byte*) SCREEN+(byte) 0 + (byte) main::idx#10) ← (byte) '+'
Successful SSA optimization PassNSimplifyExpressionWithZero
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
Adding number conversion cast (unumber) 0 in [8] (bool~) main::$15 ← (number) 0 != (byte~) main::$4
Adding number conversion cast (unumber) 0 in [13] (bool~) main::$16 ← (number) 0 != (byte~) main::$8
Adding number conversion cast (unumber) 8 in [18] if((byte) main::i#1!=(number) 8) goto main::@1
Adding number conversion cast (unumber) 0 in [23] (bool~) main::$17 ← (number) 0 != (byte~) main::$5
Adding number conversion cast (unumber) 0 in [25] (bool~) main::$18 ← (number) 0 != (byte~) main::$9
Successful SSA optimization PassNAddNumberTypeConversions
Simplifying constant integer cast 0
Simplifying constant integer cast 0
Simplifying constant integer cast 8
Simplifying constant integer cast 0
Simplifying constant integer cast 0
Successful SSA optimization PassNCastSimplification
Finalized unsigned number type (byte) 0
Finalized unsigned number type (byte) 0
Finalized unsigned number type (byte) 8
Finalized unsigned number type (byte) 0
Finalized unsigned number type (byte) 0
Successful SSA optimization PassNFinalizeNumberTypeConversions
Alias main::$4 = main::$0 main::$8
Alias main::$5 = main::$2 main::$9
Successful SSA optimization Pass2AliasElimination
Simple Condition (bool~) main::$15 [7] if((byte) 0!=(byte~) main::$4) goto main::@10
Simple Condition (bool~) main::$16 [10] if((byte) 0!=(byte~) main::$4) goto main::@9
Simple Condition (bool~) main::$17 [18] if((byte) 0!=(byte~) main::$5) goto main::@8
Simple Condition (bool~) main::$18 [20] if((byte) 0!=(byte~) main::$5) goto main::@9
Successful SSA optimization Pass2ConditionalJumpSimplification
Negating conditional jump and destination [7] if((byte) 0==(byte~) main::$4) goto main::@4
Negating conditional jump and destination [18] if((byte) 0==(byte~) main::$5) goto main::@4
Negating conditional jump and destination [20] if((byte) 0==(byte~) main::$5) goto main::@5
Successful SSA optimization Pass2ConditionalJumpSequenceImprovement
Inlining constant with var siblings (const byte) main::idx#0
Inlining constant with var siblings (const byte) main::i#0
Constant inlined main::i#0 = (byte) 0
Constant inlined main::idx#0 = (byte) 0
Successful SSA optimization Pass2ConstantInlining
Added new block during phi lifting main::@12(between main::@5 and main::@1)
Adding NOP phi() at start of main
CALL GRAPH
Created 2 initial phi equivalence classes
Coalesced [18] main::i#11 ← main::i#1
Coalesced [19] main::idx#11 ← main::idx#1
Coalesced down to 2 phi equivalence classes
Culled Empty Block (label) main::@12
Adding NOP phi() at start of main
FINAL CONTROL FLOW GRAPH
(void()) main()
main: scope:[main] from
[0] phi()
to:main::@1
main::@1: scope:[main] from main main::@5
[1] (byte) main::idx#10 ← phi( main/(byte) 0 main::@5/(byte) main::idx#1 )
[1] (byte) main::i#10 ← phi( main/(byte) 0 main::@5/(byte) main::i#1 )
[2] (byte~) main::$4 ← (byte) main::i#10 & (byte) 1
[3] if((byte) 0==(byte~) main::$4) goto main::@2
to:main::@6
main::@6: scope:[main] from main::@1
[4] *((const nomodify byte*) SCREEN + (byte) main::idx#10) ← (byte) '+'
to:main::@2
main::@2: scope:[main] from main::@1 main::@6
[5] (byte~) main::$5 ← (byte) main::i#10 & (byte) 2
[6] if((byte) 0==(byte~) main::$5) goto main::@3
to:main::@7
main::@7: scope:[main] from main::@2
[7] *((const nomodify byte*) SCREEN+(byte)(number) $28*(number) 1 + (byte) main::idx#10) ← (byte) '+'
to:main::@3
main::@3: scope:[main] from main::@2 main::@7
[8] if((byte) 0==(byte~) main::$4) goto main::@4
to:main::@10
main::@10: scope:[main] from main::@3
[9] if((byte) 0==(byte~) main::$5) goto main::@4
to:main::@8
main::@8: scope:[main] from main::@10
[10] *((const nomodify byte*) SCREEN+(byte)(number) $28*(number) 2 + (byte) main::idx#10) ← (byte) '+'
to:main::@4
main::@4: scope:[main] from main::@10 main::@3 main::@8
[11] if((byte) 0!=(byte~) main::$4) goto main::@9
to:main::@11
main::@11: scope:[main] from main::@4
[12] if((byte) 0==(byte~) main::$5) goto main::@5
to:main::@9
main::@9: scope:[main] from main::@11 main::@4
[13] *((const nomodify byte*) SCREEN+(byte)(number) $28*(number) 3 + (byte) main::idx#10) ← (byte) '+'
to:main::@5
main::@5: scope:[main] from main::@11 main::@9
[14] (byte) main::idx#1 ← ++ (byte) main::idx#10
[15] (byte) main::i#1 ← ++ (byte) main::i#10
[16] if((byte) main::i#1!=(byte) 8) goto main::@1
to:main::@return
main::@return: scope:[main] from main::@5
[17] return
to:@return
VARIABLE REGISTER WEIGHTS
(void()) main()
(byte~) main::$4 4.888888888888889
(byte~) main::$5 6.285714285714286
(byte) main::i
(byte) main::i#1 16.5
(byte) main::i#10 3.142857142857143
(byte) main::idx
(byte) main::idx#1 7.333333333333333
(byte) main::idx#10 5.076923076923077
Initial phi equivalence classes
[ main::i#10 main::i#1 ]
[ main::idx#10 main::idx#1 ]
Added variable main::$4 to live range equivalence class [ main::$4 ]
Added variable main::$5 to live range equivalence class [ main::$5 ]
Complete equivalence classes
[ main::i#10 main::i#1 ]
[ main::idx#10 main::idx#1 ]
[ main::$4 ]
[ main::$5 ]
Allocated zp[1]:2 [ main::i#10 main::i#1 ]
Allocated zp[1]:3 [ main::idx#10 main::idx#1 ]
Allocated zp[1]:4 [ main::$4 ]
Allocated zp[1]:5 [ main::$5 ]
INITIAL ASM
Target platform is c64basic / MOS6502X
// File Comments
// Tests using integer conditions in && and || operator
// This should produce '01010101', '00110011', '00010001', '01110111' at the top of the screen
// Upstart
.pc = $801 "Basic"
:BasicUpstart(main)
.pc = $80d "Program"
// Global Constants & labels
.label SCREEN = $400
// main
main: {
.label __4 = 4
.label __5 = 5
.label idx = 3
.label i = 2
// [1] phi from main to main::@1 [phi:main->main::@1]
__b1_from_main:
// [1] phi (byte) main::idx#10 = (byte) 0 [phi:main->main::@1#0] -- vbuz1=vbuc1
lda #0
sta.z idx
// [1] phi (byte) main::i#10 = (byte) 0 [phi:main->main::@1#1] -- vbuz1=vbuc1
lda #0
sta.z i
jmp __b1
// [1] phi from main::@5 to main::@1 [phi:main::@5->main::@1]
__b1_from___b5:
// [1] phi (byte) main::idx#10 = (byte) main::idx#1 [phi:main::@5->main::@1#0] -- register_copy
// [1] phi (byte) main::i#10 = (byte) main::i#1 [phi:main::@5->main::@1#1] -- register_copy
jmp __b1
// main::@1
__b1:
// [2] (byte~) main::$4 ← (byte) main::i#10 & (byte) 1 -- vbuz1=vbuz2_band_vbuc1
lda #1
and.z i
sta.z __4
// [3] if((byte) 0==(byte~) main::$4) goto main::@2 -- vbuc1_eq_vbuz1_then_la1
lda #0
cmp.z __4
beq __b2
jmp __b6
// main::@6
__b6:
// [4] *((const nomodify byte*) SCREEN + (byte) main::idx#10) ← (byte) '+' -- pbuc1_derefidx_vbuz1=vbuc2
lda #'+'
ldy.z idx
sta SCREEN,y
jmp __b2
// main::@2
__b2:
// [5] (byte~) main::$5 ← (byte) main::i#10 & (byte) 2 -- vbuz1=vbuz2_band_vbuc1
lda #2
and.z i
sta.z __5
// [6] if((byte) 0==(byte~) main::$5) goto main::@3 -- vbuc1_eq_vbuz1_then_la1
lda #0
cmp.z __5
beq __b3
jmp __b7
// main::@7
__b7:
// [7] *((const nomodify byte*) SCREEN+(byte)(number) $28*(number) 1 + (byte) main::idx#10) ← (byte) '+' -- pbuc1_derefidx_vbuz1=vbuc2
lda #'+'
ldy.z idx
sta SCREEN+$28*1,y
jmp __b3
// main::@3
__b3:
// [8] if((byte) 0==(byte~) main::$4) goto main::@4 -- vbuc1_eq_vbuz1_then_la1
lda #0
cmp.z __4
beq __b4
jmp __b10
// main::@10
__b10:
// [9] if((byte) 0==(byte~) main::$5) goto main::@4 -- vbuc1_eq_vbuz1_then_la1
lda #0
cmp.z __5
beq __b4
jmp __b8
// main::@8
__b8:
// [10] *((const nomodify byte*) SCREEN+(byte)(number) $28*(number) 2 + (byte) main::idx#10) ← (byte) '+' -- pbuc1_derefidx_vbuz1=vbuc2
lda #'+'
ldy.z idx
sta SCREEN+$28*2,y
jmp __b4
// main::@4
__b4:
// [11] if((byte) 0!=(byte~) main::$4) goto main::@9 -- vbuc1_neq_vbuz1_then_la1
lda #0
cmp.z __4
bne __b9
jmp __b11
// main::@11
__b11:
// [12] if((byte) 0==(byte~) main::$5) goto main::@5 -- vbuc1_eq_vbuz1_then_la1
lda #0
cmp.z __5
beq __b5
jmp __b9
// main::@9
__b9:
// [13] *((const nomodify byte*) SCREEN+(byte)(number) $28*(number) 3 + (byte) main::idx#10) ← (byte) '+' -- pbuc1_derefidx_vbuz1=vbuc2
lda #'+'
ldy.z idx
sta SCREEN+$28*3,y
jmp __b5
// main::@5
__b5:
// [14] (byte) main::idx#1 ← ++ (byte) main::idx#10 -- vbuz1=_inc_vbuz1
inc.z idx
// [15] (byte) main::i#1 ← ++ (byte) main::i#10 -- vbuz1=_inc_vbuz1
inc.z i
// [16] if((byte) main::i#1!=(byte) 8) goto main::@1 -- vbuz1_neq_vbuc1_then_la1
lda #8
cmp.z i
bne __b1_from___b5
jmp __breturn
// main::@return
__breturn:
// [17] return
rts
}
// File Data
REGISTER UPLIFT POTENTIAL REGISTERS
Statement [4] *((const nomodify byte*) SCREEN + (byte) main::idx#10) ← (byte) '+' [ main::i#10 main::idx#10 main::$4 ] ( [ main::i#10 main::idx#10 main::$4 ] { } ) always clobbers reg byte a
Removing always clobbered register reg byte a as potential for zp[1]:2 [ main::i#10 main::i#1 ]
Removing always clobbered register reg byte a as potential for zp[1]:3 [ main::idx#10 main::idx#1 ]
Removing always clobbered register reg byte a as potential for zp[1]:4 [ main::$4 ]
Statement [5] (byte~) main::$5 ← (byte) main::i#10 & (byte) 2 [ main::i#10 main::idx#10 main::$4 main::$5 ] ( [ main::i#10 main::idx#10 main::$4 main::$5 ] { } ) always clobbers reg byte a
Statement [7] *((const nomodify byte*) SCREEN+(byte)(number) $28*(number) 1 + (byte) main::idx#10) ← (byte) '+' [ main::i#10 main::idx#10 main::$4 main::$5 ] ( [ main::i#10 main::idx#10 main::$4 main::$5 ] { } ) always clobbers reg byte a
Removing always clobbered register reg byte a as potential for zp[1]:5 [ main::$5 ]
Statement [10] *((const nomodify byte*) SCREEN+(byte)(number) $28*(number) 2 + (byte) main::idx#10) ← (byte) '+' [ main::i#10 main::idx#10 main::$4 main::$5 ] ( [ main::i#10 main::idx#10 main::$4 main::$5 ] { } ) always clobbers reg byte a
Statement [13] *((const nomodify byte*) SCREEN+(byte)(number) $28*(number) 3 + (byte) main::idx#10) ← (byte) '+' [ main::i#10 main::idx#10 ] ( [ main::i#10 main::idx#10 ] { } ) always clobbers reg byte a
Statement [2] (byte~) main::$4 ← (byte) main::i#10 & (byte) 1 [ main::i#10 main::idx#10 main::$4 ] ( [ main::i#10 main::idx#10 main::$4 ] { } ) always clobbers reg byte a
Statement [4] *((const nomodify byte*) SCREEN + (byte) main::idx#10) ← (byte) '+' [ main::i#10 main::idx#10 main::$4 ] ( [ main::i#10 main::idx#10 main::$4 ] { } ) always clobbers reg byte a
Statement [5] (byte~) main::$5 ← (byte) main::i#10 & (byte) 2 [ main::i#10 main::idx#10 main::$4 main::$5 ] ( [ main::i#10 main::idx#10 main::$4 main::$5 ] { } ) always clobbers reg byte a
Statement [7] *((const nomodify byte*) SCREEN+(byte)(number) $28*(number) 1 + (byte) main::idx#10) ← (byte) '+' [ main::i#10 main::idx#10 main::$4 main::$5 ] ( [ main::i#10 main::idx#10 main::$4 main::$5 ] { } ) always clobbers reg byte a
Statement [10] *((const nomodify byte*) SCREEN+(byte)(number) $28*(number) 2 + (byte) main::idx#10) ← (byte) '+' [ main::i#10 main::idx#10 main::$4 main::$5 ] ( [ main::i#10 main::idx#10 main::$4 main::$5 ] { } ) always clobbers reg byte a
Statement [13] *((const nomodify byte*) SCREEN+(byte)(number) $28*(number) 3 + (byte) main::idx#10) ← (byte) '+' [ main::i#10 main::idx#10 ] ( [ main::i#10 main::idx#10 ] { } ) always clobbers reg byte a
Potential registers zp[1]:2 [ main::i#10 main::i#1 ] : zp[1]:2 , reg byte x , reg byte y ,
Potential registers zp[1]:3 [ main::idx#10 main::idx#1 ] : zp[1]:3 , reg byte x , reg byte y ,
Potential registers zp[1]:4 [ main::$4 ] : zp[1]:4 , reg byte x , reg byte y ,
Potential registers zp[1]:5 [ main::$5 ] : zp[1]:5 , reg byte x , reg byte y ,
REGISTER UPLIFT SCOPES
Uplift Scope [main] 19.64: zp[1]:2 [ main::i#10 main::i#1 ] 12.41: zp[1]:3 [ main::idx#10 main::idx#1 ] 6.29: zp[1]:5 [ main::$5 ] 4.89: zp[1]:4 [ main::$4 ]
Uplift Scope []
Uplifting [main] best 1351 combination reg byte x [ main::i#10 main::i#1 ] reg byte y [ main::idx#10 main::idx#1 ] zp[1]:5 [ main::$5 ] zp[1]:4 [ main::$4 ]
Uplifting [] best 1351 combination
Attempting to uplift remaining variables inzp[1]:5 [ main::$5 ]
Uplifting [main] best 1351 combination zp[1]:5 [ main::$5 ]
Attempting to uplift remaining variables inzp[1]:4 [ main::$4 ]
Uplifting [main] best 1351 combination zp[1]:4 [ main::$4 ]
Allocated (was zp[1]:4) zp[1]:2 [ main::$4 ]
Allocated (was zp[1]:5) zp[1]:3 [ main::$5 ]
ASSEMBLER BEFORE OPTIMIZATION
// File Comments
// Tests using integer conditions in && and || operator
// This should produce '01010101', '00110011', '00010001', '01110111' at the top of the screen
// Upstart
.pc = $801 "Basic"
:BasicUpstart(main)
.pc = $80d "Program"
// Global Constants & labels
.label SCREEN = $400
// main
main: {
.label __4 = 2
.label __5 = 3
// [1] phi from main to main::@1 [phi:main->main::@1]
__b1_from_main:
// [1] phi (byte) main::idx#10 = (byte) 0 [phi:main->main::@1#0] -- vbuyy=vbuc1
ldy #0
// [1] phi (byte) main::i#10 = (byte) 0 [phi:main->main::@1#1] -- vbuxx=vbuc1
ldx #0
jmp __b1
// [1] phi from main::@5 to main::@1 [phi:main::@5->main::@1]
__b1_from___b5:
// [1] phi (byte) main::idx#10 = (byte) main::idx#1 [phi:main::@5->main::@1#0] -- register_copy
// [1] phi (byte) main::i#10 = (byte) main::i#1 [phi:main::@5->main::@1#1] -- register_copy
jmp __b1
// main::@1
__b1:
// [2] (byte~) main::$4 ← (byte) main::i#10 & (byte) 1 -- vbuz1=vbuxx_band_vbuc1
lda #1
sax.z __4
// [3] if((byte) 0==(byte~) main::$4) goto main::@2 -- vbuc1_eq_vbuz1_then_la1
lda #0
cmp.z __4
beq __b2
jmp __b6
// main::@6
__b6:
// [4] *((const nomodify byte*) SCREEN + (byte) main::idx#10) ← (byte) '+' -- pbuc1_derefidx_vbuyy=vbuc2
lda #'+'
sta SCREEN,y
jmp __b2
// main::@2
__b2:
// [5] (byte~) main::$5 ← (byte) main::i#10 & (byte) 2 -- vbuz1=vbuxx_band_vbuc1
lda #2
sax.z __5
// [6] if((byte) 0==(byte~) main::$5) goto main::@3 -- vbuc1_eq_vbuz1_then_la1
lda #0
cmp.z __5
beq __b3
jmp __b7
// main::@7
__b7:
// [7] *((const nomodify byte*) SCREEN+(byte)(number) $28*(number) 1 + (byte) main::idx#10) ← (byte) '+' -- pbuc1_derefidx_vbuyy=vbuc2
lda #'+'
sta SCREEN+$28*1,y
jmp __b3
// main::@3
__b3:
// [8] if((byte) 0==(byte~) main::$4) goto main::@4 -- vbuc1_eq_vbuz1_then_la1
lda #0
cmp.z __4
beq __b4
jmp __b10
// main::@10
__b10:
// [9] if((byte) 0==(byte~) main::$5) goto main::@4 -- vbuc1_eq_vbuz1_then_la1
lda #0
cmp.z __5
beq __b4
jmp __b8
// main::@8
__b8:
// [10] *((const nomodify byte*) SCREEN+(byte)(number) $28*(number) 2 + (byte) main::idx#10) ← (byte) '+' -- pbuc1_derefidx_vbuyy=vbuc2
lda #'+'
sta SCREEN+$28*2,y
jmp __b4
// main::@4
__b4:
// [11] if((byte) 0!=(byte~) main::$4) goto main::@9 -- vbuc1_neq_vbuz1_then_la1
lda #0
cmp.z __4
bne __b9
jmp __b11
// main::@11
__b11:
// [12] if((byte) 0==(byte~) main::$5) goto main::@5 -- vbuc1_eq_vbuz1_then_la1
lda #0
cmp.z __5
beq __b5
jmp __b9
// main::@9
__b9:
// [13] *((const nomodify byte*) SCREEN+(byte)(number) $28*(number) 3 + (byte) main::idx#10) ← (byte) '+' -- pbuc1_derefidx_vbuyy=vbuc2
lda #'+'
sta SCREEN+$28*3,y
jmp __b5
// main::@5
__b5:
// [14] (byte) main::idx#1 ← ++ (byte) main::idx#10 -- vbuyy=_inc_vbuyy
iny
// [15] (byte) main::i#1 ← ++ (byte) main::i#10 -- vbuxx=_inc_vbuxx
inx
// [16] if((byte) main::i#1!=(byte) 8) goto main::@1 -- vbuxx_neq_vbuc1_then_la1
cpx #8
bne __b1_from___b5
jmp __breturn
// main::@return
__breturn:
// [17] return
rts
}
// File Data
ASSEMBLER OPTIMIZATIONS
Removing instruction jmp __b1
Removing instruction jmp __b6
Removing instruction jmp __b2
Removing instruction jmp __b7
Removing instruction jmp __b3
Removing instruction jmp __b10
Removing instruction jmp __b8
Removing instruction jmp __b4
Removing instruction jmp __b11
Removing instruction jmp __b9
Removing instruction jmp __b5
Removing instruction jmp __breturn
Succesful ASM optimization Pass5NextJumpElimination
Replacing label __b1_from___b5 with __b1
Removing instruction __b1_from___b5:
Succesful ASM optimization Pass5RedundantLabelElimination
Removing instruction __b1_from_main:
Removing instruction __b6:
Removing instruction __b7:
Removing instruction __b10:
Removing instruction __b8:
Removing instruction __b11:
Removing instruction __breturn:
Succesful ASM optimization Pass5UnusedLabelElimination
Removing instruction jmp __b1
Succesful ASM optimization Pass5NextJumpElimination
Removing instruction lda #0
Removing instruction lda #0
Succesful ASM optimization Pass5UnnecesaryLoadElimination
FINAL SYMBOL TABLE
(const nomodify byte*) SCREEN = (byte*) 1024
(void()) main()
(byte~) main::$4 zp[1]:2 4.888888888888889
(byte~) main::$5 zp[1]:3 6.285714285714286
(label) main::@1
(label) main::@10
(label) main::@11
(label) main::@2
(label) main::@3
(label) main::@4
(label) main::@5
(label) main::@6
(label) main::@7
(label) main::@8
(label) main::@9
(label) main::@return
(byte) main::i
(byte) main::i#1 reg byte x 16.5
(byte) main::i#10 reg byte x 3.142857142857143
(byte) main::idx
(byte) main::idx#1 reg byte y 7.333333333333333
(byte) main::idx#10 reg byte y 5.076923076923077
reg byte x [ main::i#10 main::i#1 ]
reg byte y [ main::idx#10 main::idx#1 ]
zp[1]:2 [ main::$4 ]
zp[1]:3 [ main::$5 ]
FINAL ASSEMBLER
Score: 921
// File Comments
// Tests using integer conditions in && and || operator
// This should produce '01010101', '00110011', '00010001', '01110111' at the top of the screen
// Upstart
.pc = $801 "Basic"
:BasicUpstart(main)
.pc = $80d "Program"
// Global Constants & labels
.label SCREEN = $400
// main
main: {
.label __4 = 2
.label __5 = 3
// [1] phi from main to main::@1 [phi:main->main::@1]
// [1] phi (byte) main::idx#10 = (byte) 0 [phi:main->main::@1#0] -- vbuyy=vbuc1
ldy #0
// [1] phi (byte) main::i#10 = (byte) 0 [phi:main->main::@1#1] -- vbuxx=vbuc1
ldx #0
// [1] phi from main::@5 to main::@1 [phi:main::@5->main::@1]
// [1] phi (byte) main::idx#10 = (byte) main::idx#1 [phi:main::@5->main::@1#0] -- register_copy
// [1] phi (byte) main::i#10 = (byte) main::i#1 [phi:main::@5->main::@1#1] -- register_copy
// main::@1
__b1:
// i&1
// [2] (byte~) main::$4 ← (byte) main::i#10 & (byte) 1 -- vbuz1=vbuxx_band_vbuc1
lda #1
sax.z __4
// if(i&1)
// [3] if((byte) 0==(byte~) main::$4) goto main::@2 -- vbuc1_eq_vbuz1_then_la1
lda #0
cmp.z __4
beq __b2
// main::@6
// (SCREEN+40*0)[idx] = '+'
// [4] *((const nomodify byte*) SCREEN + (byte) main::idx#10) ← (byte) '+' -- pbuc1_derefidx_vbuyy=vbuc2
lda #'+'
sta SCREEN,y
// main::@2
__b2:
// i&2
// [5] (byte~) main::$5 ← (byte) main::i#10 & (byte) 2 -- vbuz1=vbuxx_band_vbuc1
lda #2
sax.z __5
// if(i&2)
// [6] if((byte) 0==(byte~) main::$5) goto main::@3 -- vbuc1_eq_vbuz1_then_la1
lda #0
cmp.z __5
beq __b3
// main::@7
// (SCREEN+40*1)[idx] = '+'
// [7] *((const nomodify byte*) SCREEN+(byte)(number) $28*(number) 1 + (byte) main::idx#10) ← (byte) '+' -- pbuc1_derefidx_vbuyy=vbuc2
lda #'+'
sta SCREEN+$28*1,y
// main::@3
__b3:
// if(i&1 && i&2)
// [8] if((byte) 0==(byte~) main::$4) goto main::@4 -- vbuc1_eq_vbuz1_then_la1
lda #0
cmp.z __4
beq __b4
// main::@10
// [9] if((byte) 0==(byte~) main::$5) goto main::@4 -- vbuc1_eq_vbuz1_then_la1
cmp.z __5
beq __b4
// main::@8
// (SCREEN+40*2)[idx] = '+'
// [10] *((const nomodify byte*) SCREEN+(byte)(number) $28*(number) 2 + (byte) main::idx#10) ← (byte) '+' -- pbuc1_derefidx_vbuyy=vbuc2
lda #'+'
sta SCREEN+$28*2,y
// main::@4
__b4:
// if(i&1 || i&2)
// [11] if((byte) 0!=(byte~) main::$4) goto main::@9 -- vbuc1_neq_vbuz1_then_la1
lda #0
cmp.z __4
bne __b9
// main::@11
// [12] if((byte) 0==(byte~) main::$5) goto main::@5 -- vbuc1_eq_vbuz1_then_la1
cmp.z __5
beq __b5
// main::@9
__b9:
// (SCREEN+40*3)[idx] = '+'
// [13] *((const nomodify byte*) SCREEN+(byte)(number) $28*(number) 3 + (byte) main::idx#10) ← (byte) '+' -- pbuc1_derefidx_vbuyy=vbuc2
lda #'+'
sta SCREEN+$28*3,y
// main::@5
__b5:
// idx++;
// [14] (byte) main::idx#1 ← ++ (byte) main::idx#10 -- vbuyy=_inc_vbuyy
iny
// for( byte i:0..7)
// [15] (byte) main::i#1 ← ++ (byte) main::i#10 -- vbuxx=_inc_vbuxx
inx
// [16] if((byte) main::i#1!=(byte) 8) goto main::@1 -- vbuxx_neq_vbuc1_then_la1
cpx #8
bne __b1
// main::@return
// }
// [17] return
rts
}
// File Data
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