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kickc/src/test/ref/double-indexing-arrays.log

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Identified constant variable (byte*) SCREEN
Identified constant variable (byte*) COLS
Culled Empty Block (label) main::@2
CONTROL FLOW GRAPH SSA
@begin: scope:[] from
(byte[$3e8]) MAPDATA#0 ← { fill( $3e8, 0) }
(byte[$100]) COLORMAP1#0 ← { fill( $100, 0) }
(byte[$100]) COLORMAP2#0 ← { fill( $100, 0) }
(byte*) SCREEN#0 ← ((byte*)) (number) $400
(byte*) COLS#0 ← ((byte*)) (number) $d800
to:@1
main: scope:[main] from @1
(byte) main::x#0 ← (byte) 0
to:main::@1
main::@1: scope:[main] from main main::@1
(byte) main::x#2 ← phi( main/(byte) main::x#0 main::@1/(byte) main::x#1 )
*((byte*) SCREEN#0 + (byte) main::x#2) ← *((byte[$3e8]) MAPDATA#0 + (byte) main::x#2)
*((byte*) COLS#0 + (byte) main::x#2) ← *((byte[$100]) COLORMAP1#0 + *((byte[$3e8]) MAPDATA#0 + (byte) main::x#2))
(number~) main::$0 ← (number) $c8 + (byte) main::x#2
(number~) main::$1 ← (number) $c8 + (byte) main::x#2
*((byte*) SCREEN#0 + (number~) main::$0) ← *((byte[$3e8]) MAPDATA#0 + (number~) main::$1)
(number~) main::$2 ← (number) $c8 + (byte) main::x#2
(number~) main::$3 ← (number) $c8 + (byte) main::x#2
*((byte*) COLS#0 + (number~) main::$2) ← *((byte[$100]) COLORMAP1#0 + *((byte[$3e8]) MAPDATA#0 + (number~) main::$3))
(number~) main::$4 ← (number) $190 + (byte) main::x#2
(number~) main::$5 ← (number) $190 + (byte) main::x#2
*((byte*) SCREEN#0 + (number~) main::$4) ← *((byte[$3e8]) MAPDATA#0 + (number~) main::$5)
(number~) main::$6 ← (number) $190 + (byte) main::x#2
(number~) main::$7 ← (number) $190 + (byte) main::x#2
*((byte*) COLS#0 + (number~) main::$6) ← *((byte[$100]) COLORMAP1#0 + *((byte[$3e8]) MAPDATA#0 + (number~) main::$7))
(number~) main::$8 ← (number) $258 + (byte) main::x#2
(number~) main::$9 ← (number) $258 + (byte) main::x#2
*((byte*) SCREEN#0 + (number~) main::$8) ← *((byte[$3e8]) MAPDATA#0 + (number~) main::$9)
(number~) main::$10 ← (number) $258 + (byte) main::x#2
(number~) main::$11 ← (number) $258 + (byte) main::x#2
*((byte*) COLS#0 + (number~) main::$10) ← *((byte[$100]) COLORMAP2#0 + *((byte[$3e8]) MAPDATA#0 + (number~) main::$11))
(number~) main::$12 ← (number) $320 + (byte) main::x#2
(number~) main::$13 ← (number) $320 + (byte) main::x#2
*((byte*) SCREEN#0 + (number~) main::$12) ← *((byte[$3e8]) MAPDATA#0 + (number~) main::$13)
(number~) main::$14 ← (number) $320 + (byte) main::x#2
(number~) main::$15 ← (number) $320 + (byte) main::x#2
*((byte*) COLS#0 + (number~) main::$14) ← *((byte[$100]) COLORMAP2#0 + *((byte[$3e8]) MAPDATA#0 + (number~) main::$15))
(byte) main::x#1 ← (byte) main::x#2 + rangenext(0,$c8)
(bool~) main::$16 ← (byte) main::x#1 != rangelast(0,$c8)
if((bool~) main::$16) goto main::@1
to:main::@return
main::@return: scope:[main] from main::@1
return
to:@return
@1: scope:[] from @begin
call main
to:@2
@2: scope:[] from @1
to:@end
@end: scope:[] from @2
SYMBOL TABLE SSA
(label) @1
(label) @2
(label) @begin
(label) @end
(byte[$100]) COLORMAP1
(byte[$100]) COLORMAP1#0
(byte[$100]) COLORMAP2
(byte[$100]) COLORMAP2#0
(byte*) COLS
(byte*) COLS#0
(byte[$3e8]) MAPDATA
(byte[$3e8]) MAPDATA#0
(byte*) SCREEN
(byte*) SCREEN#0
(void()) main()
(number~) main::$0
(number~) main::$1
(number~) main::$10
(number~) main::$11
(number~) main::$12
(number~) main::$13
(number~) main::$14
(number~) main::$15
(bool~) main::$16
(number~) main::$2
(number~) main::$3
(number~) main::$4
(number~) main::$5
(number~) main::$6
(number~) main::$7
(number~) main::$8
(number~) main::$9
(label) main::@1
(label) main::@return
(byte) main::x !reg byte y
(byte) main::x#0 !reg byte y
(byte) main::x#1 !reg byte y
(byte) main::x#2 !reg byte y
Adding number conversion cast (unumber) $c8 in (number~) main::$0 ← (number) $c8 + (byte) main::x#2
Adding number conversion cast (unumber) main::$0 in (number~) main::$0 ← (unumber)(number) $c8 + (byte) main::x#2
Adding number conversion cast (unumber) $c8 in (number~) main::$1 ← (number) $c8 + (byte) main::x#2
Adding number conversion cast (unumber) main::$1 in (number~) main::$1 ← (unumber)(number) $c8 + (byte) main::x#2
Adding number conversion cast (unumber) $c8 in (number~) main::$2 ← (number) $c8 + (byte) main::x#2
Adding number conversion cast (unumber) main::$2 in (number~) main::$2 ← (unumber)(number) $c8 + (byte) main::x#2
Adding number conversion cast (unumber) $c8 in (number~) main::$3 ← (number) $c8 + (byte) main::x#2
Adding number conversion cast (unumber) main::$3 in (number~) main::$3 ← (unumber)(number) $c8 + (byte) main::x#2
Adding number conversion cast (unumber) $190 in (number~) main::$4 ← (number) $190 + (byte) main::x#2
Adding number conversion cast (unumber) main::$4 in (number~) main::$4 ← (unumber)(number) $190 + (byte) main::x#2
Adding number conversion cast (unumber) $190 in (number~) main::$5 ← (number) $190 + (byte) main::x#2
Adding number conversion cast (unumber) main::$5 in (number~) main::$5 ← (unumber)(number) $190 + (byte) main::x#2
Adding number conversion cast (unumber) $190 in (number~) main::$6 ← (number) $190 + (byte) main::x#2
Adding number conversion cast (unumber) main::$6 in (number~) main::$6 ← (unumber)(number) $190 + (byte) main::x#2
Adding number conversion cast (unumber) $190 in (number~) main::$7 ← (number) $190 + (byte) main::x#2
Adding number conversion cast (unumber) main::$7 in (number~) main::$7 ← (unumber)(number) $190 + (byte) main::x#2
Adding number conversion cast (unumber) $258 in (number~) main::$8 ← (number) $258 + (byte) main::x#2
Adding number conversion cast (unumber) main::$8 in (number~) main::$8 ← (unumber)(number) $258 + (byte) main::x#2
Adding number conversion cast (unumber) $258 in (number~) main::$9 ← (number) $258 + (byte) main::x#2
Adding number conversion cast (unumber) main::$9 in (number~) main::$9 ← (unumber)(number) $258 + (byte) main::x#2
Adding number conversion cast (unumber) $258 in (number~) main::$10 ← (number) $258 + (byte) main::x#2
Adding number conversion cast (unumber) main::$10 in (number~) main::$10 ← (unumber)(number) $258 + (byte) main::x#2
Adding number conversion cast (unumber) $258 in (number~) main::$11 ← (number) $258 + (byte) main::x#2
Adding number conversion cast (unumber) main::$11 in (number~) main::$11 ← (unumber)(number) $258 + (byte) main::x#2
Adding number conversion cast (unumber) $320 in (number~) main::$12 ← (number) $320 + (byte) main::x#2
Adding number conversion cast (unumber) main::$12 in (number~) main::$12 ← (unumber)(number) $320 + (byte) main::x#2
Adding number conversion cast (unumber) $320 in (number~) main::$13 ← (number) $320 + (byte) main::x#2
Adding number conversion cast (unumber) main::$13 in (number~) main::$13 ← (unumber)(number) $320 + (byte) main::x#2
Adding number conversion cast (unumber) $320 in (number~) main::$14 ← (number) $320 + (byte) main::x#2
Adding number conversion cast (unumber) main::$14 in (number~) main::$14 ← (unumber)(number) $320 + (byte) main::x#2
Adding number conversion cast (unumber) $320 in (number~) main::$15 ← (number) $320 + (byte) main::x#2
Adding number conversion cast (unumber) main::$15 in (number~) main::$15 ← (unumber)(number) $320 + (byte) main::x#2
Successful SSA optimization PassNAddNumberTypeConversions
Inlining cast (byte*) SCREEN#0 ← (byte*)(number) $400
Inlining cast (byte*) COLS#0 ← (byte*)(number) $d800
Successful SSA optimization Pass2InlineCast
Simplifying constant pointer cast (byte*) 1024
Simplifying constant pointer cast (byte*) 55296
Simplifying constant integer cast $c8
Simplifying constant integer cast $c8
Simplifying constant integer cast $c8
Simplifying constant integer cast $c8
Simplifying constant integer cast $190
Simplifying constant integer cast $190
Simplifying constant integer cast $190
Simplifying constant integer cast $190
Simplifying constant integer cast $258
Simplifying constant integer cast $258
Simplifying constant integer cast $258
Simplifying constant integer cast $258
Simplifying constant integer cast $320
Simplifying constant integer cast $320
Simplifying constant integer cast $320
Simplifying constant integer cast $320
Successful SSA optimization PassNCastSimplification
Finalized unsigned number type (byte) $c8
Finalized unsigned number type (byte) $c8
Finalized unsigned number type (byte) $c8
Finalized unsigned number type (byte) $c8
Finalized unsigned number type (word) $190
Finalized unsigned number type (word) $190
Finalized unsigned number type (word) $190
Finalized unsigned number type (word) $190
Finalized unsigned number type (word) $258
Finalized unsigned number type (word) $258
Finalized unsigned number type (word) $258
Finalized unsigned number type (word) $258
Finalized unsigned number type (word) $320
Finalized unsigned number type (word) $320
Finalized unsigned number type (word) $320
Finalized unsigned number type (word) $320
Successful SSA optimization PassNFinalizeNumberTypeConversions
Inferred type updated to byte in (unumber~) main::$0 ← (byte) $c8 + (byte) main::x#2
Inferred type updated to byte in (unumber~) main::$1 ← (byte) $c8 + (byte) main::x#2
Inferred type updated to byte in (unumber~) main::$2 ← (byte) $c8 + (byte) main::x#2
Inferred type updated to byte in (unumber~) main::$3 ← (byte) $c8 + (byte) main::x#2
Inferred type updated to word in (unumber~) main::$4 ← (word) $190 + (byte) main::x#2
Inferred type updated to word in (unumber~) main::$5 ← (word) $190 + (byte) main::x#2
Inferred type updated to word in (unumber~) main::$6 ← (word) $190 + (byte) main::x#2
Inferred type updated to word in (unumber~) main::$7 ← (word) $190 + (byte) main::x#2
Inferred type updated to word in (unumber~) main::$8 ← (word) $258 + (byte) main::x#2
Inferred type updated to word in (unumber~) main::$9 ← (word) $258 + (byte) main::x#2
Inferred type updated to word in (unumber~) main::$10 ← (word) $258 + (byte) main::x#2
Inferred type updated to word in (unumber~) main::$11 ← (word) $258 + (byte) main::x#2
Inferred type updated to word in (unumber~) main::$12 ← (word) $320 + (byte) main::x#2
Inferred type updated to word in (unumber~) main::$13 ← (word) $320 + (byte) main::x#2
Inferred type updated to word in (unumber~) main::$14 ← (word) $320 + (byte) main::x#2
Inferred type updated to word in (unumber~) main::$15 ← (word) $320 + (byte) main::x#2
Simple Condition (bool~) main::$16 [35] if((byte) main::x#1!=rangelast(0,$c8)) goto main::@1
Successful SSA optimization Pass2ConditionalJumpSimplification
Constant right-side identified [0] (byte[$3e8]) MAPDATA#0 ← { fill( $3e8, 0) }
Constant right-side identified [1] (byte[$100]) COLORMAP1#0 ← { fill( $100, 0) }
Constant right-side identified [2] (byte[$100]) COLORMAP2#0 ← { fill( $100, 0) }
Successful SSA optimization Pass2ConstantRValueConsolidation
Constant (const byte[$3e8]) MAPDATA#0 = { fill( $3e8, 0) }
Constant (const byte[$100]) COLORMAP1#0 = { fill( $100, 0) }
Constant (const byte[$100]) COLORMAP2#0 = { fill( $100, 0) }
Constant (const byte*) SCREEN#0 = (byte*) 1024
Constant (const byte*) COLS#0 = (byte*) 55296
Constant (const byte) main::x#0 = 0
Successful SSA optimization Pass2ConstantIdentification
Resolved ranged next value [33] main::x#1 ← ++ main::x#2 to ++
Resolved ranged comparison value [35] if(main::x#1!=rangelast(0,$c8)) goto main::@1 to (number) $c9
De-inlining pointer[w] to *(pointer+w) [17] *((const byte*) SCREEN#0 + (word~) main::$4) ← *((const byte[$3e8]) MAPDATA#0 + (word~) main::$5)
De-inlining pointer[w] to *(pointer+w) [17] *((const byte*) SCREEN#0 + (word~) main::$4) ← *((byte*~) main::$17)
De-inlining pointer[w] to *(pointer+w) [20] *((const byte*) COLS#0 + (word~) main::$6) ← *((const byte[$100]) COLORMAP1#0 + *((const byte[$3e8]) MAPDATA#0 + (word~) main::$7))
De-inlining pointer[w] to *(pointer+w) [20] *((const byte*) COLS#0 + (word~) main::$6) ← *((const byte[$100]) COLORMAP1#0 + *((byte*~) main::$19))
De-inlining pointer[w] to *(pointer+w) [23] *((const byte*) SCREEN#0 + (word~) main::$8) ← *((const byte[$3e8]) MAPDATA#0 + (word~) main::$9)
De-inlining pointer[w] to *(pointer+w) [23] *((const byte*) SCREEN#0 + (word~) main::$8) ← *((byte*~) main::$21)
De-inlining pointer[w] to *(pointer+w) [26] *((const byte*) COLS#0 + (word~) main::$10) ← *((const byte[$100]) COLORMAP2#0 + *((const byte[$3e8]) MAPDATA#0 + (word~) main::$11))
De-inlining pointer[w] to *(pointer+w) [26] *((const byte*) COLS#0 + (word~) main::$10) ← *((const byte[$100]) COLORMAP2#0 + *((byte*~) main::$23))
De-inlining pointer[w] to *(pointer+w) [29] *((const byte*) SCREEN#0 + (word~) main::$12) ← *((const byte[$3e8]) MAPDATA#0 + (word~) main::$13)
De-inlining pointer[w] to *(pointer+w) [29] *((const byte*) SCREEN#0 + (word~) main::$12) ← *((byte*~) main::$25)
De-inlining pointer[w] to *(pointer+w) [32] *((const byte*) COLS#0 + (word~) main::$14) ← *((const byte[$100]) COLORMAP2#0 + *((const byte[$3e8]) MAPDATA#0 + (word~) main::$15))
De-inlining pointer[w] to *(pointer+w) [32] *((const byte*) COLS#0 + (word~) main::$14) ← *((const byte[$100]) COLORMAP2#0 + *((byte*~) main::$27))
Successful SSA optimization Pass2DeInlineWordDerefIdx
Adding number conversion cast (unumber) $c9 in if((byte) main::x#1!=(number) $c9) goto main::@1
Successful SSA optimization PassNAddNumberTypeConversions
Simplifying constant integer cast $c9
Successful SSA optimization PassNCastSimplification
Finalized unsigned number type (byte) $c9
Successful SSA optimization PassNFinalizeNumberTypeConversions
Inlining constant with var siblings (const byte) main::x#0
Constant inlined main::x#0 = (byte) 0
Successful SSA optimization Pass2ConstantInlining
Consolidated array index constant in assignment *(MAPDATA#0+$c8 + main::$1)
Consolidated array index constant in assignment *(SCREEN#0+$c8 + main::$0)
Consolidated array index constant in assignment *(MAPDATA#0+$c8 + main::$3)
Consolidated array index constant in assignment *(COLS#0+$c8 + main::$2)
Consolidated constant in assignment main::$17
Consolidated constant in assignment main::$18
Consolidated constant in assignment main::$19
Consolidated constant in assignment main::$20
Consolidated constant in assignment main::$21
Consolidated constant in assignment main::$22
Consolidated constant in assignment main::$23
Consolidated constant in assignment main::$24
Consolidated constant in assignment main::$25
Consolidated constant in assignment main::$26
Consolidated constant in assignment main::$27
Consolidated constant in assignment main::$28
Successful SSA optimization Pass2ConstantAdditionElimination
Alias (byte) main::x#2 = (byte~) main::$0 (byte~) main::$1 (byte~) main::$2 (byte~) main::$3 (word~) main::$4 (word~) main::$5 (word~) main::$6 (word~) main::$7 (word~) main::$8 (word~) main::$9 (word~) main::$10 (word~) main::$11 (word~) main::$12 (word~) main::$13 (word~) main::$14 (word~) main::$15
Successful SSA optimization Pass2AliasElimination
Converting *(pointer+n) to pointer[n] [13] *((byte*~) main::$18) ← *((byte*~) main::$17) -- *(MAPDATA#0+$190 + main::x#2)
Converting *(pointer+n) to pointer[n] [13] *((byte*~) main::$18) ← *((const byte[$3e8]) MAPDATA#0+(word) $190 + (byte) main::x#2) -- *(SCREEN#0+$190 + main::x#2)
Converting *(pointer+n) to pointer[n] [18] *((byte*~) main::$20) ← *((const byte[$100]) COLORMAP1#0 + *((byte*~) main::$19)) -- *(MAPDATA#0+$190 + main::x#2)
Converting *(pointer+n) to pointer[n] [18] *((byte*~) main::$20) ← *((const byte[$100]) COLORMAP1#0 + *((const byte[$3e8]) MAPDATA#0+(word) $190 + (byte) main::x#2)) -- *(COLS#0+$190 + main::x#2)
Converting *(pointer+n) to pointer[n] [23] *((byte*~) main::$22) ← *((byte*~) main::$21) -- *(MAPDATA#0+$258 + main::x#2)
Converting *(pointer+n) to pointer[n] [23] *((byte*~) main::$22) ← *((const byte[$3e8]) MAPDATA#0+(word) $258 + (byte) main::x#2) -- *(SCREEN#0+$258 + main::x#2)
Converting *(pointer+n) to pointer[n] [28] *((byte*~) main::$24) ← *((const byte[$100]) COLORMAP2#0 + *((byte*~) main::$23)) -- *(MAPDATA#0+$258 + main::x#2)
Converting *(pointer+n) to pointer[n] [28] *((byte*~) main::$24) ← *((const byte[$100]) COLORMAP2#0 + *((const byte[$3e8]) MAPDATA#0+(word) $258 + (byte) main::x#2)) -- *(COLS#0+$258 + main::x#2)
Converting *(pointer+n) to pointer[n] [33] *((byte*~) main::$26) ← *((byte*~) main::$25) -- *(MAPDATA#0+$320 + main::x#2)
Converting *(pointer+n) to pointer[n] [33] *((byte*~) main::$26) ← *((const byte[$3e8]) MAPDATA#0+(word) $320 + (byte) main::x#2) -- *(SCREEN#0+$320 + main::x#2)
Converting *(pointer+n) to pointer[n] [38] *((byte*~) main::$28) ← *((const byte[$100]) COLORMAP2#0 + *((byte*~) main::$27)) -- *(MAPDATA#0+$320 + main::x#2)
Converting *(pointer+n) to pointer[n] [38] *((byte*~) main::$28) ← *((const byte[$100]) COLORMAP2#0 + *((const byte[$3e8]) MAPDATA#0+(word) $320 + (byte) main::x#2)) -- *(COLS#0+$320 + main::x#2)
Successful SSA optimization Pass2InlineDerefIdx
Eliminating unused variable (byte*~) main::$17 and assignment [5] (byte*~) main::$17 ← (const byte[$3e8]) MAPDATA#0+(word) $190 + (byte) main::x#2
Eliminating unused variable (byte*~) main::$18 and assignment [6] (byte*~) main::$18 ← (const byte*) SCREEN#0+(word) $190 + (byte) main::x#2
Eliminating unused variable (byte*~) main::$19 and assignment [8] (byte*~) main::$19 ← (const byte[$3e8]) MAPDATA#0+(word) $190 + (byte) main::x#2
Eliminating unused variable (byte*~) main::$20 and assignment [9] (byte*~) main::$20 ← (const byte*) COLS#0+(word) $190 + (byte) main::x#2
Eliminating unused variable (byte*~) main::$21 and assignment [11] (byte*~) main::$21 ← (const byte[$3e8]) MAPDATA#0+(word) $258 + (byte) main::x#2
Eliminating unused variable (byte*~) main::$22 and assignment [12] (byte*~) main::$22 ← (const byte*) SCREEN#0+(word) $258 + (byte) main::x#2
Eliminating unused variable (byte*~) main::$23 and assignment [14] (byte*~) main::$23 ← (const byte[$3e8]) MAPDATA#0+(word) $258 + (byte) main::x#2
Eliminating unused variable (byte*~) main::$24 and assignment [15] (byte*~) main::$24 ← (const byte*) COLS#0+(word) $258 + (byte) main::x#2
Eliminating unused variable (byte*~) main::$25 and assignment [17] (byte*~) main::$25 ← (const byte[$3e8]) MAPDATA#0+(word) $320 + (byte) main::x#2
Eliminating unused variable (byte*~) main::$26 and assignment [18] (byte*~) main::$26 ← (const byte*) SCREEN#0+(word) $320 + (byte) main::x#2
Eliminating unused variable (byte*~) main::$27 and assignment [20] (byte*~) main::$27 ← (const byte[$3e8]) MAPDATA#0+(word) $320 + (byte) main::x#2
Eliminating unused variable (byte*~) main::$28 and assignment [21] (byte*~) main::$28 ← (const byte*) COLS#0+(word) $320 + (byte) main::x#2
Successful SSA optimization PassNEliminateUnusedVars
Added new block during phi lifting main::@3(between main::@1 and main::@1)
Adding NOP phi() at start of @begin
Adding NOP phi() at start of @1
Adding NOP phi() at start of @2
Adding NOP phi() at start of @end
Adding NOP phi() at start of main
CALL GRAPH
Calls in [] to main:2
Created 1 initial phi equivalence classes
Coalesced [20] main::x#3 ← main::x#1
Coalesced down to 1 phi equivalence classes
Culled Empty Block (label) @2
Culled Empty Block (label) main::@3
Adding NOP phi() at start of @begin
Adding NOP phi() at start of @1
Adding NOP phi() at start of @end
Adding NOP phi() at start of main
FINAL CONTROL FLOW GRAPH
@begin: scope:[] from
[0] phi()
to:@1
@1: scope:[] from @begin
[1] phi()
[2] call main
to:@end
@end: scope:[] from @1
[3] phi()
main: scope:[main] from @1
[4] phi()
to:main::@1
main::@1: scope:[main] from main main::@1
[5] (byte) main::x#2 ← phi( main/(byte) 0 main::@1/(byte) main::x#1 )
[6] *((const byte*) SCREEN#0 + (byte) main::x#2) ← *((const byte[$3e8]) MAPDATA#0 + (byte) main::x#2)
[7] *((const byte*) COLS#0 + (byte) main::x#2) ← *((const byte[$100]) COLORMAP1#0 + *((const byte[$3e8]) MAPDATA#0 + (byte) main::x#2))
[8] *((const byte*) SCREEN#0+(byte) $c8 + (byte) main::x#2) ← *((const byte[$3e8]) MAPDATA#0+(byte) $c8 + (byte) main::x#2)
[9] *((const byte*) COLS#0+(byte) $c8 + (byte) main::x#2) ← *((const byte[$100]) COLORMAP1#0 + *((const byte[$3e8]) MAPDATA#0+(byte) $c8 + (byte) main::x#2))
[10] *((const byte*) SCREEN#0+(word) $190 + (byte) main::x#2) ← *((const byte[$3e8]) MAPDATA#0+(word) $190 + (byte) main::x#2)
[11] *((const byte*) COLS#0+(word) $190 + (byte) main::x#2) ← *((const byte[$100]) COLORMAP1#0 + *((const byte[$3e8]) MAPDATA#0+(word) $190 + (byte) main::x#2))
[12] *((const byte*) SCREEN#0+(word) $258 + (byte) main::x#2) ← *((const byte[$3e8]) MAPDATA#0+(word) $258 + (byte) main::x#2)
[13] *((const byte*) COLS#0+(word) $258 + (byte) main::x#2) ← *((const byte[$100]) COLORMAP2#0 + *((const byte[$3e8]) MAPDATA#0+(word) $258 + (byte) main::x#2))
[14] *((const byte*) SCREEN#0+(word) $320 + (byte) main::x#2) ← *((const byte[$3e8]) MAPDATA#0+(word) $320 + (byte) main::x#2)
[15] *((const byte*) COLS#0+(word) $320 + (byte) main::x#2) ← *((const byte[$100]) COLORMAP2#0 + *((const byte[$3e8]) MAPDATA#0+(word) $320 + (byte) main::x#2))
[16] (byte) main::x#1 ← ++ (byte) main::x#2
[17] if((byte) main::x#1!=(byte) $c9) goto main::@1
to:main::@return
main::@return: scope:[main] from main::@1
[18] return
to:@return
VARIABLE REGISTER WEIGHTS
(byte[$100]) COLORMAP1
(byte[$100]) COLORMAP2
(byte*) COLS
(byte[$3e8]) MAPDATA
(byte*) SCREEN
(void()) main()
(byte) main::x !reg byte y
(byte) main::x#1 !reg byte y 16.5
(byte) main::x#2 !reg byte y 22.0
Initial phi equivalence classes
[ main::x#2 main::x#1 ]
Complete equivalence classes
[ main::x#2 main::x#1 ]
INITIAL ASM
Target platform is c64basic / MOS6502X
// File Comments
// Tests that constant offset indexing into arrays is handled correctly
// Upstart
.pc = $801 "Basic"
:BasicUpstart(bbegin)
.pc = $80d "Program"
// Global Constants & labels
.label SCREEN = $400
.label COLS = $d800
// @begin
bbegin:
// [1] phi from @begin to @1 [phi:@begin->@1]
b1_from_bbegin:
jmp b1
// @1
b1:
// [2] call main
// [4] phi from @1 to main [phi:@1->main]
main_from_b1:
jsr main
// [3] phi from @1 to @end [phi:@1->@end]
bend_from_b1:
jmp bend
// @end
bend:
// main
main: {
// [5] phi from main to main::@1 [phi:main->main::@1]
b1_from_main:
// [5] phi (byte) main::x#2 = (byte) 0 [phi:main->main::@1#0] -- vbuyy=vbuc1
ldy #0
jmp b1
// [5] phi from main::@1 to main::@1 [phi:main::@1->main::@1]
b1_from_b1:
// [5] phi (byte) main::x#2 = (byte) main::x#1 [phi:main::@1->main::@1#0] -- register_copy
jmp b1
// main::@1
b1:
// [6] *((const byte*) SCREEN#0 + (byte) main::x#2) ← *((const byte[$3e8]) MAPDATA#0 + (byte) main::x#2) -- pbuc1_derefidx_vbuyy=pbuc2_derefidx_vbuyy
lda MAPDATA,y
sta SCREEN,y
// [7] *((const byte*) COLS#0 + (byte) main::x#2) ← *((const byte[$100]) COLORMAP1#0 + *((const byte[$3e8]) MAPDATA#0 + (byte) main::x#2)) -- pbuc1_derefidx_vbuyy=pbuc2_derefidx_(pbuc3_derefidx_vbuyy)
ldx MAPDATA,y
lda COLORMAP1,x
sta COLS,y
// [8] *((const byte*) SCREEN#0+(byte) $c8 + (byte) main::x#2) ← *((const byte[$3e8]) MAPDATA#0+(byte) $c8 + (byte) main::x#2) -- pbuc1_derefidx_vbuyy=pbuc2_derefidx_vbuyy
lda MAPDATA+$c8,y
sta SCREEN+$c8,y
// [9] *((const byte*) COLS#0+(byte) $c8 + (byte) main::x#2) ← *((const byte[$100]) COLORMAP1#0 + *((const byte[$3e8]) MAPDATA#0+(byte) $c8 + (byte) main::x#2)) -- pbuc1_derefidx_vbuyy=pbuc2_derefidx_(pbuc3_derefidx_vbuyy)
ldx MAPDATA+$c8,y
lda COLORMAP1,x
sta COLS+$c8,y
// [10] *((const byte*) SCREEN#0+(word) $190 + (byte) main::x#2) ← *((const byte[$3e8]) MAPDATA#0+(word) $190 + (byte) main::x#2) -- pbuc1_derefidx_vbuyy=pbuc2_derefidx_vbuyy
lda MAPDATA+$190,y
sta SCREEN+$190,y
// [11] *((const byte*) COLS#0+(word) $190 + (byte) main::x#2) ← *((const byte[$100]) COLORMAP1#0 + *((const byte[$3e8]) MAPDATA#0+(word) $190 + (byte) main::x#2)) -- pbuc1_derefidx_vbuyy=pbuc2_derefidx_(pbuc3_derefidx_vbuyy)
ldx MAPDATA+$190,y
lda COLORMAP1,x
sta COLS+$190,y
// [12] *((const byte*) SCREEN#0+(word) $258 + (byte) main::x#2) ← *((const byte[$3e8]) MAPDATA#0+(word) $258 + (byte) main::x#2) -- pbuc1_derefidx_vbuyy=pbuc2_derefidx_vbuyy
lda MAPDATA+$258,y
sta SCREEN+$258,y
// [13] *((const byte*) COLS#0+(word) $258 + (byte) main::x#2) ← *((const byte[$100]) COLORMAP2#0 + *((const byte[$3e8]) MAPDATA#0+(word) $258 + (byte) main::x#2)) -- pbuc1_derefidx_vbuyy=pbuc2_derefidx_(pbuc3_derefidx_vbuyy)
ldx MAPDATA+$258,y
lda COLORMAP2,x
sta COLS+$258,y
// [14] *((const byte*) SCREEN#0+(word) $320 + (byte) main::x#2) ← *((const byte[$3e8]) MAPDATA#0+(word) $320 + (byte) main::x#2) -- pbuc1_derefidx_vbuyy=pbuc2_derefidx_vbuyy
lda MAPDATA+$320,y
sta SCREEN+$320,y
// [15] *((const byte*) COLS#0+(word) $320 + (byte) main::x#2) ← *((const byte[$100]) COLORMAP2#0 + *((const byte[$3e8]) MAPDATA#0+(word) $320 + (byte) main::x#2)) -- pbuc1_derefidx_vbuyy=pbuc2_derefidx_(pbuc3_derefidx_vbuyy)
ldx MAPDATA+$320,y
lda COLORMAP2,x
sta COLS+$320,y
// [16] (byte) main::x#1 ← ++ (byte) main::x#2 -- vbuyy=_inc_vbuyy
iny
// [17] if((byte) main::x#1!=(byte) $c9) goto main::@1 -- vbuyy_neq_vbuc1_then_la1
cpy #$c9
bne b1_from_b1
jmp breturn
// main::@return
breturn:
// [18] return
rts
}
// File Data
MAPDATA: .fill $3e8, 0
COLORMAP1: .fill $100, 0
COLORMAP2: .fill $100, 0
REGISTER UPLIFT POTENTIAL REGISTERS
Statement [6] *((const byte*) SCREEN#0 + (byte) main::x#2) ← *((const byte[$3e8]) MAPDATA#0 + (byte) main::x#2) [ main::x#2 ] ( main:2 [ main::x#2 ] ) always clobbers reg byte a
Statement [7] *((const byte*) COLS#0 + (byte) main::x#2) ← *((const byte[$100]) COLORMAP1#0 + *((const byte[$3e8]) MAPDATA#0 + (byte) main::x#2)) [ main::x#2 ] ( main:2 [ main::x#2 ] ) always clobbers reg byte a reg byte x
Statement [8] *((const byte*) SCREEN#0+(byte) $c8 + (byte) main::x#2) ← *((const byte[$3e8]) MAPDATA#0+(byte) $c8 + (byte) main::x#2) [ main::x#2 ] ( main:2 [ main::x#2 ] ) always clobbers reg byte a
Statement [9] *((const byte*) COLS#0+(byte) $c8 + (byte) main::x#2) ← *((const byte[$100]) COLORMAP1#0 + *((const byte[$3e8]) MAPDATA#0+(byte) $c8 + (byte) main::x#2)) [ main::x#2 ] ( main:2 [ main::x#2 ] ) always clobbers reg byte a reg byte x
Statement [10] *((const byte*) SCREEN#0+(word) $190 + (byte) main::x#2) ← *((const byte[$3e8]) MAPDATA#0+(word) $190 + (byte) main::x#2) [ main::x#2 ] ( main:2 [ main::x#2 ] ) always clobbers reg byte a
Statement [11] *((const byte*) COLS#0+(word) $190 + (byte) main::x#2) ← *((const byte[$100]) COLORMAP1#0 + *((const byte[$3e8]) MAPDATA#0+(word) $190 + (byte) main::x#2)) [ main::x#2 ] ( main:2 [ main::x#2 ] ) always clobbers reg byte a reg byte x
Statement [12] *((const byte*) SCREEN#0+(word) $258 + (byte) main::x#2) ← *((const byte[$3e8]) MAPDATA#0+(word) $258 + (byte) main::x#2) [ main::x#2 ] ( main:2 [ main::x#2 ] ) always clobbers reg byte a
Statement [13] *((const byte*) COLS#0+(word) $258 + (byte) main::x#2) ← *((const byte[$100]) COLORMAP2#0 + *((const byte[$3e8]) MAPDATA#0+(word) $258 + (byte) main::x#2)) [ main::x#2 ] ( main:2 [ main::x#2 ] ) always clobbers reg byte a reg byte x
Statement [14] *((const byte*) SCREEN#0+(word) $320 + (byte) main::x#2) ← *((const byte[$3e8]) MAPDATA#0+(word) $320 + (byte) main::x#2) [ main::x#2 ] ( main:2 [ main::x#2 ] ) always clobbers reg byte a
Statement [15] *((const byte*) COLS#0+(word) $320 + (byte) main::x#2) ← *((const byte[$100]) COLORMAP2#0 + *((const byte[$3e8]) MAPDATA#0+(word) $320 + (byte) main::x#2)) [ main::x#2 ] ( main:2 [ main::x#2 ] ) always clobbers reg byte a reg byte x
Statement [16] (byte) main::x#1 ← ++ (byte) main::x#2 [ main::x#1 ] ( main:2 [ main::x#1 ] ) always clobbers reg byte y
Potential registers reg byte y [ main::x#2 main::x#1 ] : reg byte y ,
REGISTER UPLIFT SCOPES
Uplift Scope [main] 38.5: reg byte y [ main::x#2 main::x#1 ]
Uplift Scope []
Uplifting [main] best 1368 combination reg byte y [ main::x#2 main::x#1 ]
Uplifting [] best 1368 combination
ASSEMBLER BEFORE OPTIMIZATION
// File Comments
// Tests that constant offset indexing into arrays is handled correctly
// Upstart
.pc = $801 "Basic"
:BasicUpstart(bbegin)
.pc = $80d "Program"
// Global Constants & labels
.label SCREEN = $400
.label COLS = $d800
// @begin
bbegin:
// [1] phi from @begin to @1 [phi:@begin->@1]
b1_from_bbegin:
jmp b1
// @1
b1:
// [2] call main
// [4] phi from @1 to main [phi:@1->main]
main_from_b1:
jsr main
// [3] phi from @1 to @end [phi:@1->@end]
bend_from_b1:
jmp bend
// @end
bend:
// main
main: {
// [5] phi from main to main::@1 [phi:main->main::@1]
b1_from_main:
// [5] phi (byte) main::x#2 = (byte) 0 [phi:main->main::@1#0] -- vbuyy=vbuc1
ldy #0
jmp b1
// [5] phi from main::@1 to main::@1 [phi:main::@1->main::@1]
b1_from_b1:
// [5] phi (byte) main::x#2 = (byte) main::x#1 [phi:main::@1->main::@1#0] -- register_copy
jmp b1
// main::@1
b1:
// [6] *((const byte*) SCREEN#0 + (byte) main::x#2) ← *((const byte[$3e8]) MAPDATA#0 + (byte) main::x#2) -- pbuc1_derefidx_vbuyy=pbuc2_derefidx_vbuyy
lda MAPDATA,y
sta SCREEN,y
// [7] *((const byte*) COLS#0 + (byte) main::x#2) ← *((const byte[$100]) COLORMAP1#0 + *((const byte[$3e8]) MAPDATA#0 + (byte) main::x#2)) -- pbuc1_derefidx_vbuyy=pbuc2_derefidx_(pbuc3_derefidx_vbuyy)
ldx MAPDATA,y
lda COLORMAP1,x
sta COLS,y
// [8] *((const byte*) SCREEN#0+(byte) $c8 + (byte) main::x#2) ← *((const byte[$3e8]) MAPDATA#0+(byte) $c8 + (byte) main::x#2) -- pbuc1_derefidx_vbuyy=pbuc2_derefidx_vbuyy
lda MAPDATA+$c8,y
sta SCREEN+$c8,y
// [9] *((const byte*) COLS#0+(byte) $c8 + (byte) main::x#2) ← *((const byte[$100]) COLORMAP1#0 + *((const byte[$3e8]) MAPDATA#0+(byte) $c8 + (byte) main::x#2)) -- pbuc1_derefidx_vbuyy=pbuc2_derefidx_(pbuc3_derefidx_vbuyy)
ldx MAPDATA+$c8,y
lda COLORMAP1,x
sta COLS+$c8,y
// [10] *((const byte*) SCREEN#0+(word) $190 + (byte) main::x#2) ← *((const byte[$3e8]) MAPDATA#0+(word) $190 + (byte) main::x#2) -- pbuc1_derefidx_vbuyy=pbuc2_derefidx_vbuyy
lda MAPDATA+$190,y
sta SCREEN+$190,y
// [11] *((const byte*) COLS#0+(word) $190 + (byte) main::x#2) ← *((const byte[$100]) COLORMAP1#0 + *((const byte[$3e8]) MAPDATA#0+(word) $190 + (byte) main::x#2)) -- pbuc1_derefidx_vbuyy=pbuc2_derefidx_(pbuc3_derefidx_vbuyy)
ldx MAPDATA+$190,y
lda COLORMAP1,x
sta COLS+$190,y
// [12] *((const byte*) SCREEN#0+(word) $258 + (byte) main::x#2) ← *((const byte[$3e8]) MAPDATA#0+(word) $258 + (byte) main::x#2) -- pbuc1_derefidx_vbuyy=pbuc2_derefidx_vbuyy
lda MAPDATA+$258,y
sta SCREEN+$258,y
// [13] *((const byte*) COLS#0+(word) $258 + (byte) main::x#2) ← *((const byte[$100]) COLORMAP2#0 + *((const byte[$3e8]) MAPDATA#0+(word) $258 + (byte) main::x#2)) -- pbuc1_derefidx_vbuyy=pbuc2_derefidx_(pbuc3_derefidx_vbuyy)
ldx MAPDATA+$258,y
lda COLORMAP2,x
sta COLS+$258,y
// [14] *((const byte*) SCREEN#0+(word) $320 + (byte) main::x#2) ← *((const byte[$3e8]) MAPDATA#0+(word) $320 + (byte) main::x#2) -- pbuc1_derefidx_vbuyy=pbuc2_derefidx_vbuyy
lda MAPDATA+$320,y
sta SCREEN+$320,y
// [15] *((const byte*) COLS#0+(word) $320 + (byte) main::x#2) ← *((const byte[$100]) COLORMAP2#0 + *((const byte[$3e8]) MAPDATA#0+(word) $320 + (byte) main::x#2)) -- pbuc1_derefidx_vbuyy=pbuc2_derefidx_(pbuc3_derefidx_vbuyy)
ldx MAPDATA+$320,y
lda COLORMAP2,x
sta COLS+$320,y
// [16] (byte) main::x#1 ← ++ (byte) main::x#2 -- vbuyy=_inc_vbuyy
iny
// [17] if((byte) main::x#1!=(byte) $c9) goto main::@1 -- vbuyy_neq_vbuc1_then_la1
cpy #$c9
bne b1_from_b1
jmp breturn
// main::@return
breturn:
// [18] return
rts
}
// File Data
MAPDATA: .fill $3e8, 0
COLORMAP1: .fill $100, 0
COLORMAP2: .fill $100, 0
ASSEMBLER OPTIMIZATIONS
Removing instruction jmp b1
Removing instruction jmp bend
Removing instruction jmp b1
Removing instruction jmp breturn
Succesful ASM optimization Pass5NextJumpElimination
Replacing label b1_from_b1 with b1
Removing instruction b1_from_bbegin:
Removing instruction b1:
Removing instruction main_from_b1:
Removing instruction bend_from_b1:
Removing instruction b1_from_b1:
Succesful ASM optimization Pass5RedundantLabelElimination
Removing instruction bend:
Removing instruction b1_from_main:
Removing instruction breturn:
Succesful ASM optimization Pass5UnusedLabelElimination
Updating BasicUpstart to call main directly
Removing instruction jsr main
Succesful ASM optimization Pass5SkipBegin
Removing instruction jmp b1
Succesful ASM optimization Pass5NextJumpElimination
Removing instruction bbegin:
Succesful ASM optimization Pass5UnusedLabelElimination
FINAL SYMBOL TABLE
(label) @1
(label) @begin
(label) @end
(byte[$100]) COLORMAP1
(const byte[$100]) COLORMAP1#0 COLORMAP1 = { fill( $100, 0) }
(byte[$100]) COLORMAP2
(const byte[$100]) COLORMAP2#0 COLORMAP2 = { fill( $100, 0) }
(byte*) COLS
(const byte*) COLS#0 COLS = (byte*) 55296
(byte[$3e8]) MAPDATA
(const byte[$3e8]) MAPDATA#0 MAPDATA = { fill( $3e8, 0) }
(byte*) SCREEN
(const byte*) SCREEN#0 SCREEN = (byte*) 1024
(void()) main()
(label) main::@1
(label) main::@return
(byte) main::x !reg byte y
(byte) main::x#1 !reg byte y 16.5
(byte) main::x#2 !reg byte y 22.0
reg byte y [ main::x#2 main::x#1 ]
FINAL ASSEMBLER
Score: 1266
// File Comments
// Tests that constant offset indexing into arrays is handled correctly
// Upstart
.pc = $801 "Basic"
:BasicUpstart(main)
.pc = $80d "Program"
// Global Constants & labels
.label SCREEN = $400
.label COLS = $d800
// @begin
// [1] phi from @begin to @1 [phi:@begin->@1]
// @1
// [2] call main
// [4] phi from @1 to main [phi:@1->main]
// [3] phi from @1 to @end [phi:@1->@end]
// @end
// main
main: {
// [5] phi from main to main::@1 [phi:main->main::@1]
// [5] phi (byte) main::x#2 = (byte) 0 [phi:main->main::@1#0] -- vbuyy=vbuc1
ldy #0
// [5] phi from main::@1 to main::@1 [phi:main::@1->main::@1]
// [5] phi (byte) main::x#2 = (byte) main::x#1 [phi:main::@1->main::@1#0] -- register_copy
// main::@1
b1:
// SCREEN[x] = MAPDATA[x]
// [6] *((const byte*) SCREEN#0 + (byte) main::x#2) ← *((const byte[$3e8]) MAPDATA#0 + (byte) main::x#2) -- pbuc1_derefidx_vbuyy=pbuc2_derefidx_vbuyy
lda MAPDATA,y
sta SCREEN,y
// COLS[x] = COLORMAP1[MAPDATA[x]]
// [7] *((const byte*) COLS#0 + (byte) main::x#2) ← *((const byte[$100]) COLORMAP1#0 + *((const byte[$3e8]) MAPDATA#0 + (byte) main::x#2)) -- pbuc1_derefidx_vbuyy=pbuc2_derefidx_(pbuc3_derefidx_vbuyy)
ldx MAPDATA,y
lda COLORMAP1,x
sta COLS,y
// SCREEN[200+x] = MAPDATA[200+x]
// [8] *((const byte*) SCREEN#0+(byte) $c8 + (byte) main::x#2) ← *((const byte[$3e8]) MAPDATA#0+(byte) $c8 + (byte) main::x#2) -- pbuc1_derefidx_vbuyy=pbuc2_derefidx_vbuyy
lda MAPDATA+$c8,y
sta SCREEN+$c8,y
// COLS[200+x] = COLORMAP1[MAPDATA[200+x]]
// [9] *((const byte*) COLS#0+(byte) $c8 + (byte) main::x#2) ← *((const byte[$100]) COLORMAP1#0 + *((const byte[$3e8]) MAPDATA#0+(byte) $c8 + (byte) main::x#2)) -- pbuc1_derefidx_vbuyy=pbuc2_derefidx_(pbuc3_derefidx_vbuyy)
ldx MAPDATA+$c8,y
lda COLORMAP1,x
sta COLS+$c8,y
// SCREEN[400+x] = MAPDATA[400+x]
// [10] *((const byte*) SCREEN#0+(word) $190 + (byte) main::x#2) ← *((const byte[$3e8]) MAPDATA#0+(word) $190 + (byte) main::x#2) -- pbuc1_derefidx_vbuyy=pbuc2_derefidx_vbuyy
lda MAPDATA+$190,y
sta SCREEN+$190,y
// COLS[400+x] = COLORMAP1[MAPDATA[400+x]]
// [11] *((const byte*) COLS#0+(word) $190 + (byte) main::x#2) ← *((const byte[$100]) COLORMAP1#0 + *((const byte[$3e8]) MAPDATA#0+(word) $190 + (byte) main::x#2)) -- pbuc1_derefidx_vbuyy=pbuc2_derefidx_(pbuc3_derefidx_vbuyy)
ldx MAPDATA+$190,y
lda COLORMAP1,x
sta COLS+$190,y
// SCREEN[600+x] = MAPDATA[600+x]
// [12] *((const byte*) SCREEN#0+(word) $258 + (byte) main::x#2) ← *((const byte[$3e8]) MAPDATA#0+(word) $258 + (byte) main::x#2) -- pbuc1_derefidx_vbuyy=pbuc2_derefidx_vbuyy
lda MAPDATA+$258,y
sta SCREEN+$258,y
// COLS[600+x] = COLORMAP2[MAPDATA[600+x]]
// [13] *((const byte*) COLS#0+(word) $258 + (byte) main::x#2) ← *((const byte[$100]) COLORMAP2#0 + *((const byte[$3e8]) MAPDATA#0+(word) $258 + (byte) main::x#2)) -- pbuc1_derefidx_vbuyy=pbuc2_derefidx_(pbuc3_derefidx_vbuyy)
ldx MAPDATA+$258,y
lda COLORMAP2,x
sta COLS+$258,y
// SCREEN[800+x] = MAPDATA[800+x]
// [14] *((const byte*) SCREEN#0+(word) $320 + (byte) main::x#2) ← *((const byte[$3e8]) MAPDATA#0+(word) $320 + (byte) main::x#2) -- pbuc1_derefidx_vbuyy=pbuc2_derefidx_vbuyy
lda MAPDATA+$320,y
sta SCREEN+$320,y
// COLS[800+x] = COLORMAP2[MAPDATA[800+x]]
// [15] *((const byte*) COLS#0+(word) $320 + (byte) main::x#2) ← *((const byte[$100]) COLORMAP2#0 + *((const byte[$3e8]) MAPDATA#0+(word) $320 + (byte) main::x#2)) -- pbuc1_derefidx_vbuyy=pbuc2_derefidx_(pbuc3_derefidx_vbuyy)
ldx MAPDATA+$320,y
lda COLORMAP2,x
sta COLS+$320,y
// for (byte register(y) x: 0..200)
// [16] (byte) main::x#1 ← ++ (byte) main::x#2 -- vbuyy=_inc_vbuyy
iny
// [17] if((byte) main::x#1!=(byte) $c9) goto main::@1 -- vbuyy_neq_vbuc1_then_la1
cpy #$c9
bne b1
// main::@return
// }
// [18] return
rts
}
// File Data
MAPDATA: .fill $3e8, 0
COLORMAP1: .fill $100, 0
COLORMAP2: .fill $100, 0
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