mirror of
https://gitlab.com/camelot/kickc.git
synced 2024-09-29 03:56:15 +00:00
363 lines
11 KiB
Plaintext
363 lines
11 KiB
Plaintext
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CONTROL FLOW GRAPH SSA
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@begin: scope:[] from
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to:@1
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(void()) main()
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main: scope:[main] from @1
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(byte) main::i#0 ← (byte) 5
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to:main::@1
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main::@1: scope:[main] from main main::@1
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(byte) main::i#2 ← phi( main/(byte) main::i#0 main::@1/(byte) main::i#1 )
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(number~) main::$0 ← (number) 2 + (byte) main::i#2
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(number~) main::$1 ← (number~) main::$0 + (number) 2
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*((const byte*) main::buf + (byte) main::i#2) ← (number~) main::$1
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(number~) main::$2 ← (byte) main::i#2 + (number) 1
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(byte) main::i#1 ← (number~) main::$2
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(bool~) main::$3 ← (byte) main::i#1 < (number) $a
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if((bool~) main::$3) goto main::@1
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to:main::@return
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main::@return: scope:[main] from main::@1
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return
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to:@return
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@1: scope:[] from @begin
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call main
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to:@2
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@2: scope:[] from @1
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to:@end
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@end: scope:[] from @2
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SYMBOL TABLE SSA
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(label) @1
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(label) @2
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(label) @begin
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(label) @end
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(void()) main()
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(number~) main::$0
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(number~) main::$1
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(number~) main::$2
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(bool~) main::$3
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(label) main::@1
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(label) main::@return
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(const byte*) main::buf[(number) $10] = (byte*)(number) $1100
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(byte) main::i
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(byte) main::i#0
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(byte) main::i#1
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(byte) main::i#2
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Adding number conversion cast (unumber) 2 in (number~) main::$0 ← (number) 2 + (byte) main::i#2
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Adding number conversion cast (unumber) main::$0 in (number~) main::$0 ← (unumber)(number) 2 + (byte) main::i#2
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Adding number conversion cast (unumber) 2 in (number~) main::$1 ← (unumber~) main::$0 + (number) 2
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Adding number conversion cast (unumber) main::$1 in (number~) main::$1 ← (unumber~) main::$0 + (unumber)(number) 2
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Adding number conversion cast (unumber) 1 in (number~) main::$2 ← (byte) main::i#2 + (number) 1
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Adding number conversion cast (unumber) main::$2 in (number~) main::$2 ← (byte) main::i#2 + (unumber)(number) 1
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Adding number conversion cast (unumber) $a in (bool~) main::$3 ← (byte) main::i#1 < (number) $a
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Successful SSA optimization PassNAddNumberTypeConversions
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Simplifying constant pointer cast (byte*) 4352
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Simplifying constant integer cast 2
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Simplifying constant integer cast 2
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Simplifying constant integer cast 1
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Simplifying constant integer cast $a
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Successful SSA optimization PassNCastSimplification
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Finalized unsigned number type (byte) 2
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Finalized unsigned number type (byte) 2
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Finalized unsigned number type (byte) 1
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Finalized unsigned number type (byte) $a
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Successful SSA optimization PassNFinalizeNumberTypeConversions
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Inferred type updated to byte in (unumber~) main::$0 ← (byte) 2 + (byte) main::i#2
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Inferred type updated to byte in (unumber~) main::$1 ← (byte~) main::$0 + (byte) 2
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Inferred type updated to byte in (unumber~) main::$2 ← (byte) main::i#2 + (byte) 1
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Alias main::i#1 = main::$2
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Successful SSA optimization Pass2AliasElimination
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Simple Condition (bool~) main::$3 [7] if((byte) main::i#1<(byte) $a) goto main::@1
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Successful SSA optimization Pass2ConditionalJumpSimplification
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Constant (const byte) main::i#0 = 5
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Successful SSA optimization Pass2ConstantIdentification
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Inlining constant with var siblings (const byte) main::i#0
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Constant inlined main::i#0 = (byte) 5
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Successful SSA optimization Pass2ConstantInlining
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Consolidated constant in assignment main::$1
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Successful SSA optimization Pass2ConstantAdditionElimination
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Alias main::i#2 = main::$0
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Successful SSA optimization Pass2AliasElimination
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Added new block during phi lifting main::@2(between main::@1 and main::@1)
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Adding NOP phi() at start of @begin
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Adding NOP phi() at start of @1
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Adding NOP phi() at start of @2
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Adding NOP phi() at start of @end
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Adding NOP phi() at start of main
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CALL GRAPH
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Calls in [] to main:2
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Created 1 initial phi equivalence classes
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Coalesced [12] main::i#3 ← main::i#1
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Coalesced down to 1 phi equivalence classes
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Culled Empty Block (label) @2
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Culled Empty Block (label) main::@2
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Adding NOP phi() at start of @begin
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Adding NOP phi() at start of @1
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Adding NOP phi() at start of @end
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Adding NOP phi() at start of main
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FINAL CONTROL FLOW GRAPH
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@begin: scope:[] from
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[0] phi()
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to:@1
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@1: scope:[] from @begin
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[1] phi()
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[2] call main
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to:@end
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@end: scope:[] from @1
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[3] phi()
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(void()) main()
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main: scope:[main] from @1
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[4] phi()
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to:main::@1
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main::@1: scope:[main] from main main::@1
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[5] (byte) main::i#2 ← phi( main/(byte) 5 main::@1/(byte) main::i#1 )
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[6] (byte~) main::$1 ← (byte) main::i#2 + (byte) 2+(byte) 2
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[7] *((const byte*) main::buf + (byte) main::i#2) ← (byte~) main::$1
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[8] (byte) main::i#1 ← (byte) main::i#2 + (byte) 1
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[9] if((byte) main::i#1<(byte) $a) goto main::@1
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to:main::@return
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main::@return: scope:[main] from main::@1
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[10] return
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to:@return
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VARIABLE REGISTER WEIGHTS
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(void()) main()
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(byte~) main::$1 202.0
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(byte) main::i
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(byte) main::i#1 151.5
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(byte) main::i#2 134.66666666666666
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Initial phi equivalence classes
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[ main::i#2 main::i#1 ]
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Added variable main::$1 to live range equivalence class [ main::$1 ]
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Complete equivalence classes
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[ main::i#2 main::i#1 ]
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[ main::$1 ]
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Allocated zp[1]:2 [ main::i#2 main::i#1 ]
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Allocated zp[1]:3 [ main::$1 ]
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INITIAL ASM
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Target platform is c64basic / MOS6502X
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// File Comments
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// Upstart
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.pc = $801 "Basic"
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:BasicUpstart(main)
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.pc = $80d "Program"
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// Global Constants & labels
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// @begin
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__bbegin:
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// [1] phi from @begin to @1 [phi:@begin->@1]
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__b1_from___bbegin:
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jmp __b1
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// @1
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__b1:
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// [2] call main
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// [4] phi from @1 to main [phi:@1->main]
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main_from___b1:
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jsr main
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// [3] phi from @1 to @end [phi:@1->@end]
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__bend_from___b1:
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jmp __bend
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// @end
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__bend:
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// main
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main: {
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.label buf = $1100
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.label __1 = 3
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.label i = 2
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// [5] phi from main to main::@1 [phi:main->main::@1]
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__b1_from_main:
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// [5] phi (byte) main::i#2 = (byte) 5 [phi:main->main::@1#0] -- vbuz1=vbuc1
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lda #5
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sta.z i
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jmp __b1
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// [5] phi from main::@1 to main::@1 [phi:main::@1->main::@1]
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__b1_from___b1:
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// [5] phi (byte) main::i#2 = (byte) main::i#1 [phi:main::@1->main::@1#0] -- register_copy
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jmp __b1
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// main::@1
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__b1:
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// [6] (byte~) main::$1 ← (byte) main::i#2 + (byte) 2+(byte) 2 -- vbuz1=vbuz2_plus_vbuc1
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lax.z i
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axs #-[2+2]
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stx.z __1
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// [7] *((const byte*) main::buf + (byte) main::i#2) ← (byte~) main::$1 -- pbuc1_derefidx_vbuz1=vbuz2
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lda.z __1
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ldy.z i
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sta buf,y
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// [8] (byte) main::i#1 ← (byte) main::i#2 + (byte) 1 -- vbuz1=vbuz1_plus_1
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inc.z i
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// [9] if((byte) main::i#1<(byte) $a) goto main::@1 -- vbuz1_lt_vbuc1_then_la1
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lda.z i
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cmp #$a
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bcc __b1_from___b1
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jmp __breturn
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// main::@return
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__breturn:
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// [10] return
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rts
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}
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// File Data
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REGISTER UPLIFT POTENTIAL REGISTERS
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Potential registers zp[1]:2 [ main::i#2 main::i#1 ] : zp[1]:2 , reg byte a , reg byte x , reg byte y ,
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Potential registers zp[1]:3 [ main::$1 ] : zp[1]:3 , reg byte a , reg byte x , reg byte y ,
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REGISTER UPLIFT SCOPES
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Uplift Scope [main] 286.17: zp[1]:2 [ main::i#2 main::i#1 ] 202: zp[1]:3 [ main::$1 ]
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Uplift Scope []
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Uplifting [main] best 303 combination reg byte x [ main::i#2 main::i#1 ] reg byte a [ main::$1 ]
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Uplifting [] best 303 combination
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ASSEMBLER BEFORE OPTIMIZATION
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// File Comments
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// Upstart
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.pc = $801 "Basic"
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:BasicUpstart(main)
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.pc = $80d "Program"
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// Global Constants & labels
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// @begin
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__bbegin:
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// [1] phi from @begin to @1 [phi:@begin->@1]
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__b1_from___bbegin:
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jmp __b1
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// @1
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__b1:
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// [2] call main
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// [4] phi from @1 to main [phi:@1->main]
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main_from___b1:
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jsr main
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// [3] phi from @1 to @end [phi:@1->@end]
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__bend_from___b1:
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jmp __bend
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// @end
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__bend:
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// main
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main: {
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.label buf = $1100
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// [5] phi from main to main::@1 [phi:main->main::@1]
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__b1_from_main:
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// [5] phi (byte) main::i#2 = (byte) 5 [phi:main->main::@1#0] -- vbuxx=vbuc1
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ldx #5
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jmp __b1
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// [5] phi from main::@1 to main::@1 [phi:main::@1->main::@1]
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__b1_from___b1:
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// [5] phi (byte) main::i#2 = (byte) main::i#1 [phi:main::@1->main::@1#0] -- register_copy
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jmp __b1
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// main::@1
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__b1:
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// [6] (byte~) main::$1 ← (byte) main::i#2 + (byte) 2+(byte) 2 -- vbuaa=vbuxx_plus_vbuc1
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txa
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clc
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adc #2+2
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// [7] *((const byte*) main::buf + (byte) main::i#2) ← (byte~) main::$1 -- pbuc1_derefidx_vbuxx=vbuaa
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sta buf,x
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// [8] (byte) main::i#1 ← (byte) main::i#2 + (byte) 1 -- vbuxx=vbuxx_plus_1
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inx
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// [9] if((byte) main::i#1<(byte) $a) goto main::@1 -- vbuxx_lt_vbuc1_then_la1
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cpx #$a
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bcc __b1_from___b1
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jmp __breturn
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// main::@return
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__breturn:
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// [10] return
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rts
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}
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// File Data
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ASSEMBLER OPTIMIZATIONS
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Removing instruction jmp __b1
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Removing instruction jmp __bend
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Removing instruction jmp __b1
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Removing instruction jmp __breturn
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Succesful ASM optimization Pass5NextJumpElimination
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Replacing label __b1_from___b1 with __b1
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Removing instruction __b1_from___bbegin:
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Removing instruction __b1:
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Removing instruction main_from___b1:
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Removing instruction __bend_from___b1:
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Removing instruction __b1_from___b1:
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Succesful ASM optimization Pass5RedundantLabelElimination
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Removing instruction __bbegin:
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Removing instruction __bend:
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Removing instruction __b1_from_main:
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Removing instruction __breturn:
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Succesful ASM optimization Pass5UnusedLabelElimination
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Removing instruction jsr main
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Succesful ASM optimization Pass5SkipBegin
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Removing instruction jmp __b1
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Succesful ASM optimization Pass5NextJumpElimination
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FINAL SYMBOL TABLE
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(label) @1
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(label) @begin
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(label) @end
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(void()) main()
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(byte~) main::$1 reg byte a 202.0
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(label) main::@1
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(label) main::@return
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(const byte*) main::buf[(number) $10] = (byte*) 4352
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(byte) main::i
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(byte) main::i#1 reg byte x 151.5
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(byte) main::i#2 reg byte x 134.66666666666666
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reg byte x [ main::i#2 main::i#1 ]
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reg byte a [ main::$1 ]
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FINAL ASSEMBLER
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Score: 201
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// File Comments
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// Upstart
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.pc = $801 "Basic"
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:BasicUpstart(main)
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.pc = $80d "Program"
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// Global Constants & labels
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// @begin
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// [1] phi from @begin to @1 [phi:@begin->@1]
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// @1
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// [2] call main
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// [4] phi from @1 to main [phi:@1->main]
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// [3] phi from @1 to @end [phi:@1->@end]
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// @end
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// main
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main: {
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.label buf = $1100
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// [5] phi from main to main::@1 [phi:main->main::@1]
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// [5] phi (byte) main::i#2 = (byte) 5 [phi:main->main::@1#0] -- vbuxx=vbuc1
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ldx #5
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// [5] phi from main::@1 to main::@1 [phi:main::@1->main::@1]
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// [5] phi (byte) main::i#2 = (byte) main::i#1 [phi:main::@1->main::@1#0] -- register_copy
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// main::@1
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__b1:
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// 2+i+2
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// [6] (byte~) main::$1 ← (byte) main::i#2 + (byte) 2+(byte) 2 -- vbuaa=vbuxx_plus_vbuc1
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txa
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clc
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adc #2+2
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// buf[i] = 2+i+2
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// [7] *((const byte*) main::buf + (byte) main::i#2) ← (byte~) main::$1 -- pbuc1_derefidx_vbuxx=vbuaa
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sta buf,x
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// i = i+1
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// [8] (byte) main::i#1 ← (byte) main::i#2 + (byte) 1 -- vbuxx=vbuxx_plus_1
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inx
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// while(i<10)
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// [9] if((byte) main::i#1<(byte) $a) goto main::@1 -- vbuxx_lt_vbuc1_then_la1
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cpx #$a
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bcc __b1
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// main::@return
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// }
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// [10] return
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rts
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}
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// File Data
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