mirror of
https://gitlab.com/camelot/kickc.git
synced 2024-09-09 08:54:40 +00:00
474 lines
14 KiB
Plaintext
474 lines
14 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) $64
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(byte) main::s#0 ← (byte) 0
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to:main::@1
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main::@1: scope:[main] from main main::@4 main::@5
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(byte) main::s#6 ← phi( main/(byte) main::s#0 main::@4/(byte) main::s#1 main::@5/(byte) main::s#2 )
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(byte) main::i#2 ← phi( main/(byte) main::i#0 main::@4/(byte) main::i#4 main::@5/(byte) main::i#5 )
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(byte) main::i#1 ← -- (byte) main::i#2
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(bool~) main::$0 ← (byte) main::i#1 > (number) 0
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if((bool~) main::$0) goto main::@2
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to:main::@3
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main::@2: scope:[main] from main::@1
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(byte) main::s#7 ← phi( main::@1/(byte) main::s#6 )
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(byte) main::i#3 ← phi( main::@1/(byte) main::i#1 )
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(bool~) main::$1 ← (byte) main::i#3 > (number) $32
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if((bool~) main::$1) goto main::@4
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to:main::@5
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main::@3: scope:[main] from main::@1
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(byte) main::s#3 ← phi( main::@1/(byte) main::s#6 )
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*((const nomodify byte*) main::SCREEN) ← (byte) main::s#3
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to:main::@return
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main::@4: scope:[main] from main::@2
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(byte) main::i#4 ← phi( main::@2/(byte) main::i#3 )
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(byte) main::s#4 ← phi( main::@2/(byte) main::s#7 )
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(byte) main::s#1 ← ++ (byte) main::s#4
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to:main::@1
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main::@5: scope:[main] from main::@2
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(byte) main::i#5 ← phi( main::@2/(byte) main::i#3 )
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(byte) main::s#5 ← phi( main::@2/(byte) main::s#7 )
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(byte) main::s#2 ← -- (byte) main::s#5
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to:main::@1
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main::@return: scope:[main] from main::@3
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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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(bool~) main::$0
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(bool~) main::$1
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(label) main::@1
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(label) main::@2
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(label) main::@3
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(label) main::@4
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(label) main::@5
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(label) main::@return
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(const nomodify byte*) main::SCREEN = (byte*)(number) $400
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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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(byte) main::i#3
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(byte) main::i#4
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(byte) main::i#5
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(byte) main::s
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(byte) main::s#0
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(byte) main::s#1
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(byte) main::s#2
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(byte) main::s#3
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(byte) main::s#4
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(byte) main::s#5
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(byte) main::s#6
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(byte) main::s#7
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Adding number conversion cast (unumber) 0 in (bool~) main::$0 ← (byte) main::i#1 > (number) 0
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Adding number conversion cast (unumber) $32 in (bool~) main::$1 ← (byte) main::i#3 > (number) $32
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Successful SSA optimization PassNAddNumberTypeConversions
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Simplifying constant pointer cast (byte*) 1024
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Simplifying constant integer cast 0
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Simplifying constant integer cast $32
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Successful SSA optimization PassNCastSimplification
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Finalized unsigned number type (byte) 0
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Finalized unsigned number type (byte) $32
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Successful SSA optimization PassNFinalizeNumberTypeConversions
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Alias main::i#1 = main::i#3 main::i#4 main::i#5
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Alias main::s#3 = main::s#7 main::s#6 main::s#4 main::s#5
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Successful SSA optimization Pass2AliasElimination
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Simple Condition (bool~) main::$0 [5] if((byte) main::i#1>(byte) 0) goto main::@2
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Simple Condition (bool~) main::$1 [7] if((byte) main::i#1>(byte) $32) goto main::@4
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Successful SSA optimization Pass2ConditionalJumpSimplification
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Constant (const byte) main::i#0 = $64
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Constant (const byte) main::s#0 = 0
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Successful SSA optimization Pass2ConstantIdentification
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Rewriting conditional comparison [7] if((byte) main::i#1>(byte) $32) goto main::@4
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Adding number conversion cast (unumber) $32+1 in if((byte) main::i#1>=(byte) $32+(number) 1) goto main::@4
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Adding number conversion cast (unumber) 1 in if((byte) main::i#1>=(unumber)(byte) $32+(number) 1) goto main::@4
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Successful SSA optimization PassNAddNumberTypeConversions
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Simplifying constant integer cast (byte) $32+(unumber)(number) 1
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Simplifying constant integer cast 1
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Successful SSA optimization PassNCastSimplification
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Finalized unsigned number type (byte) 1
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Successful SSA optimization PassNFinalizeNumberTypeConversions
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Inlining constant with var siblings (const byte) main::i#0
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Inlining constant with var siblings (const byte) main::s#0
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Constant inlined main::i#0 = (byte) $64
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Constant inlined main::s#0 = (byte) 0
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Successful SSA optimization Pass2ConstantInlining
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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 2 initial phi equivalence classes
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Coalesced [13] main::i#7 ← main::i#1
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Coalesced [14] main::s#9 ← main::s#2
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Coalesced (already) [16] main::i#6 ← main::i#1
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Coalesced [17] main::s#8 ← main::s#1
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Coalesced down to 2 phi equivalence classes
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Culled Empty Block (label) @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::@4 main::@5
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[5] (byte) main::s#3 ← phi( main/(byte) 0 main::@4/(byte) main::s#1 main::@5/(byte) main::s#2 )
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[5] (byte) main::i#2 ← phi( main/(byte) $64 main::@4/(byte) main::i#1 main::@5/(byte) main::i#1 )
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[6] (byte) main::i#1 ← -- (byte) main::i#2
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[7] if((byte) main::i#1>(byte) 0) goto main::@2
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to:main::@3
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main::@3: scope:[main] from main::@1
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[8] *((const nomodify byte*) main::SCREEN) ← (byte) main::s#3
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to:main::@return
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main::@return: scope:[main] from main::@3
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[9] return
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to:@return
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main::@2: scope:[main] from main::@1
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[10] if((byte) main::i#1>=(byte) $32+(byte) 1) goto main::@4
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to:main::@5
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main::@5: scope:[main] from main::@2
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[11] (byte) main::s#2 ← -- (byte) main::s#3
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to:main::@1
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main::@4: scope:[main] from main::@2
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[12] (byte) main::s#1 ← ++ (byte) main::s#3
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to:main::@1
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VARIABLE REGISTER WEIGHTS
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(void()) main()
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(byte) main::i
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(byte) main::i#1 101.0
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(byte) main::i#2 303.0
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(byte) main::s
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(byte) main::s#1 202.0
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(byte) main::s#2 202.0
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(byte) main::s#3 103.75
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Initial phi equivalence classes
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[ main::i#2 main::i#1 ]
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[ main::s#3 main::s#1 main::s#2 ]
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Complete equivalence classes
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[ main::i#2 main::i#1 ]
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[ main::s#3 main::s#1 main::s#2 ]
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Allocated zp[1]:2 [ main::i#2 main::i#1 ]
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Allocated zp[1]:3 [ main::s#3 main::s#1 main::s#2 ]
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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 SCREEN = $400
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.label i = 2
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.label s = 3
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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::s#3 = (byte) 0 [phi:main->main::@1#0] -- vbuz1=vbuc1
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lda #0
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sta.z s
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// [5] phi (byte) main::i#2 = (byte) $64 [phi:main->main::@1#1] -- vbuz1=vbuc1
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lda #$64
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sta.z i
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jmp __b1
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// main::@1
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__b1:
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// [6] (byte) main::i#1 ← -- (byte) main::i#2 -- vbuz1=_dec_vbuz1
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dec.z i
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// [7] if((byte) main::i#1>(byte) 0) goto main::@2 -- vbuz1_gt_0_then_la1
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lda.z i
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bne __b2
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jmp __b3
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// main::@3
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__b3:
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// [8] *((const nomodify byte*) main::SCREEN) ← (byte) main::s#3 -- _deref_pbuc1=vbuz1
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lda.z s
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sta SCREEN
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jmp __breturn
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// main::@return
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__breturn:
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// [9] return
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rts
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// main::@2
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__b2:
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// [10] if((byte) main::i#1>=(byte) $32+(byte) 1) goto main::@4 -- vbuz1_ge_vbuc1_then_la1
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lda.z i
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cmp #$32+1
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bcs __b4
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jmp __b5
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// main::@5
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__b5:
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// [11] (byte) main::s#2 ← -- (byte) main::s#3 -- vbuz1=_dec_vbuz1
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dec.z s
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// [5] phi from main::@4 main::@5 to main::@1 [phi:main::@4/main::@5->main::@1]
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__b1_from___b4:
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__b1_from___b5:
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// [5] phi (byte) main::s#3 = (byte) main::s#1 [phi:main::@4/main::@5->main::@1#0] -- register_copy
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// [5] phi (byte) main::i#2 = (byte) main::i#1 [phi:main::@4/main::@5->main::@1#1] -- register_copy
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jmp __b1
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// main::@4
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__b4:
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// [12] (byte) main::s#1 ← ++ (byte) main::s#3 -- vbuz1=_inc_vbuz1
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inc.z s
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jmp __b1_from___b4
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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::s#3 main::s#1 main::s#2 ] : 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] 507.75: zp[1]:3 [ main::s#3 main::s#1 main::s#2 ] 404: zp[1]:2 [ main::i#2 main::i#1 ]
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Uplift Scope []
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Uplifting [main] best 365 combination reg byte y [ main::s#3 main::s#1 main::s#2 ] reg byte x [ main::i#2 main::i#1 ]
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Uplifting [] best 365 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 SCREEN = $400
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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::s#3 = (byte) 0 [phi:main->main::@1#0] -- vbuyy=vbuc1
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ldy #0
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// [5] phi (byte) main::i#2 = (byte) $64 [phi:main->main::@1#1] -- vbuxx=vbuc1
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ldx #$64
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jmp __b1
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// main::@1
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__b1:
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// [6] (byte) main::i#1 ← -- (byte) main::i#2 -- vbuxx=_dec_vbuxx
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dex
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// [7] if((byte) main::i#1>(byte) 0) goto main::@2 -- vbuxx_gt_0_then_la1
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cpx #0
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bne __b2
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jmp __b3
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// main::@3
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__b3:
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// [8] *((const nomodify byte*) main::SCREEN) ← (byte) main::s#3 -- _deref_pbuc1=vbuyy
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sty SCREEN
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jmp __breturn
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// main::@return
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__breturn:
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// [9] return
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rts
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// main::@2
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__b2:
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// [10] if((byte) main::i#1>=(byte) $32+(byte) 1) goto main::@4 -- vbuxx_ge_vbuc1_then_la1
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cpx #$32+1
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bcs __b4
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jmp __b5
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// main::@5
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__b5:
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// [11] (byte) main::s#2 ← -- (byte) main::s#3 -- vbuyy=_dec_vbuyy
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dey
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// [5] phi from main::@4 main::@5 to main::@1 [phi:main::@4/main::@5->main::@1]
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__b1_from___b4:
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__b1_from___b5:
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// [5] phi (byte) main::s#3 = (byte) main::s#1 [phi:main::@4/main::@5->main::@1#0] -- register_copy
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// [5] phi (byte) main::i#2 = (byte) main::i#1 [phi:main::@4/main::@5->main::@1#1] -- register_copy
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jmp __b1
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// main::@4
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__b4:
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// [12] (byte) main::s#1 ← ++ (byte) main::s#3 -- vbuyy=_inc_vbuyy
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iny
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jmp __b1_from___b4
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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 __b3
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Removing instruction jmp __breturn
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Removing instruction jmp __b5
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Succesful ASM optimization Pass5NextJumpElimination
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Replacing label __b1_from___b4 with __b1_from___b5
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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___b4:
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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 __b3:
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Removing instruction __breturn:
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Removing instruction __b5:
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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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Skipping double jump to __b1 in jmp __b1_from___b5
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Succesful ASM optimization Pass5DoubleJumpElimination
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Relabelling long label __b1_from___b5 to __b3
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Succesful ASM optimization Pass5RelabelLongLabels
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Removing instruction __b3:
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Succesful ASM optimization Pass5UnusedLabelElimination
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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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(label) main::@1
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(label) main::@2
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(label) main::@3
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(label) main::@4
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(label) main::@5
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(label) main::@return
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(const nomodify byte*) main::SCREEN = (byte*) 1024
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(byte) main::i
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(byte) main::i#1 reg byte x 101.0
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(byte) main::i#2 reg byte x 303.0
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(byte) main::s
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(byte) main::s#1 reg byte y 202.0
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(byte) main::s#2 reg byte y 202.0
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(byte) main::s#3 reg byte y 103.75
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reg byte x [ main::i#2 main::i#1 ]
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reg byte y [ main::s#3 main::s#1 main::s#2 ]
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FINAL ASSEMBLER
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Score: 260
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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 SCREEN = $400
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// [5] phi from main to main::@1 [phi:main->main::@1]
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// [5] phi (byte) main::s#3 = (byte) 0 [phi:main->main::@1#0] -- vbuyy=vbuc1
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ldy #0
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// [5] phi (byte) main::i#2 = (byte) $64 [phi:main->main::@1#1] -- vbuxx=vbuc1
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ldx #$64
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// main::@1
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__b1:
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// while(--i>0)
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// [6] (byte) main::i#1 ← -- (byte) main::i#2 -- vbuxx=_dec_vbuxx
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|
dex
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// [7] if((byte) main::i#1>(byte) 0) goto main::@2 -- vbuxx_gt_0_then_la1
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|
cpx #0
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bne __b2
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|
// main::@3
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|
// *SCREEN = s
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|
// [8] *((const nomodify byte*) main::SCREEN) ← (byte) main::s#3 -- _deref_pbuc1=vbuyy
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|
sty SCREEN
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// main::@return
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// }
|
|
// [9] return
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rts
|
|
// main::@2
|
|
__b2:
|
|
// if(i>50)
|
|
// [10] if((byte) main::i#1>=(byte) $32+(byte) 1) goto main::@4 -- vbuxx_ge_vbuc1_then_la1
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|
cpx #$32+1
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|
bcs __b4
|
|
// main::@5
|
|
// s--;
|
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// [11] (byte) main::s#2 ← -- (byte) main::s#3 -- vbuyy=_dec_vbuyy
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|
dey
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// [5] phi from main::@4 main::@5 to main::@1 [phi:main::@4/main::@5->main::@1]
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|
// [5] phi (byte) main::s#3 = (byte) main::s#1 [phi:main::@4/main::@5->main::@1#0] -- register_copy
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|
// [5] phi (byte) main::i#2 = (byte) main::i#1 [phi:main::@4/main::@5->main::@1#1] -- register_copy
|
|
jmp __b1
|
|
// main::@4
|
|
__b4:
|
|
// s++;
|
|
// [12] (byte) main::s#1 ← ++ (byte) main::s#3 -- vbuyy=_inc_vbuyy
|
|
iny
|
|
jmp __b1
|
|
}
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// File Data
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