mirror of
https://gitlab.com/camelot/kickc.git
synced 2024-11-16 21:07:56 +00:00
526 lines
17 KiB
Plaintext
526 lines
17 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) 0
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to:main::@1
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main::@1: scope:[main] from main main::@2
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(byte) main::i#2 ← phi( main/(byte) main::i#0 main::@2/(byte) main::i#1 )
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(number~) main::$0 ← (byte) main::i#2 + (number) 5
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(byte) main::c#0 ← (number~) main::$0
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(number~) main::$1 ← (byte) main::i#2 & (number) 1
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(bool~) main::$2 ← (number~) main::$1 == (number) 0
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(bool~) main::$3 ← (byte) main::i#2 > (number) 5
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(bool~) main::$4 ← (bool~) main::$2 || (bool~) main::$3
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(bool~) main::$5 ← ! (bool~) main::$4
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if((bool~) main::$5) goto main::@2
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to:main::@3
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main::@2: scope:[main] from main::@1 main::@3
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(byte) main::i#3 ← phi( main::@1/(byte) main::i#2 main::@3/(byte) main::i#4 )
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(byte) main::c#2 ← phi( main::@1/(byte) main::c#0 main::@3/(byte) main::c#1 )
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*((const nomodify byte*) main::SCREEN + (byte) main::i#3) ← (byte) main::c#2
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(byte) main::i#1 ← (byte) main::i#3 + rangenext(0,$a)
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(bool~) main::$6 ← (byte) main::i#1 != rangelast(0,$a)
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if((bool~) main::$6) goto main::@1
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to:main::@return
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main::@3: scope:[main] from main::@1
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(byte) main::i#4 ← phi( main::@1/(byte) main::i#2 )
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(byte) main::c#3 ← phi( main::@1/(byte) main::c#0 )
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(byte) main::c#1 ← ++ (byte) main::c#3
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to:main::@2
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main::@return: scope:[main] from main::@2
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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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(bool~) main::$2
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(bool~) main::$3
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(bool~) main::$4
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(bool~) main::$5
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(bool~) main::$6
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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::@return
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(const nomodify byte*) main::SCREEN = (byte*)(number) $400
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(byte) main::c
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(byte) main::c#0
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(byte) main::c#1
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(byte) main::c#2
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(byte) main::c#3
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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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Adding number conversion cast (unumber) 5 in (number~) main::$0 ← (byte) main::i#2 + (number) 5
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Adding number conversion cast (unumber) main::$0 in (number~) main::$0 ← (byte) main::i#2 + (unumber)(number) 5
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Adding number conversion cast (unumber) 1 in (number~) main::$1 ← (byte) main::i#2 & (number) 1
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Adding number conversion cast (unumber) main::$1 in (number~) main::$1 ← (byte) main::i#2 & (unumber)(number) 1
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Adding number conversion cast (unumber) 0 in (bool~) main::$2 ← (unumber~) main::$1 == (number) 0
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Adding number conversion cast (unumber) 5 in (bool~) main::$3 ← (byte) main::i#2 > (number) 5
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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 5
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Simplifying constant integer cast 1
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Simplifying constant integer cast 0
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Simplifying constant integer cast 5
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Successful SSA optimization PassNCastSimplification
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Finalized unsigned number type (byte) 5
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Finalized unsigned number type (byte) 1
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Finalized unsigned number type (byte) 0
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Finalized unsigned number type (byte) 5
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Successful SSA optimization PassNFinalizeNumberTypeConversions
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Inferred type updated to byte in (unumber~) main::$0 ← (byte) main::i#2 + (byte) 5
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Inferred type updated to byte in (unumber~) main::$1 ← (byte) main::i#2 & (byte) 1
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Alias main::c#0 = main::$0 main::c#3
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Alias main::i#2 = main::i#4
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Successful SSA optimization Pass2AliasElimination
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Alias main::i#2 = main::i#3
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Successful SSA optimization Pass2AliasElimination
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Simple Condition (bool~) main::$6 [13] if((byte) main::i#1!=rangelast(0,$a)) goto main::@1
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Successful SSA optimization Pass2ConditionalJumpSimplification
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Rewriting ! if()-condition to reversed if() [7] (bool~) main::$5 ← ! (bool~) main::$4
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Rewriting || if()-condition to two if()s [6] (bool~) main::$4 ← (bool~) main::$2 || (bool~) main::$3
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Successful SSA optimization Pass2ConditionalAndOrRewriting
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Constant (const byte) main::i#0 = 0
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Successful SSA optimization Pass2ConstantIdentification
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Resolved ranged next value [11] main::i#1 ← ++ main::i#2 to ++
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Resolved ranged comparison value [13] if(main::i#1!=rangelast(0,$a)) goto main::@1 to (number) $b
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Adding number conversion cast (unumber) $b in if((byte) main::i#1!=(number) $b) goto main::@1
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Successful SSA optimization PassNAddNumberTypeConversions
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Simplifying constant integer cast $b
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Successful SSA optimization PassNCastSimplification
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Finalized unsigned number type (byte) $b
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Successful SSA optimization PassNFinalizeNumberTypeConversions
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Simple Condition (bool~) main::$2 [5] if((byte~) main::$1==(byte) 0) goto main::@3
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Simple Condition (bool~) main::$3 [13] if((byte) main::i#2>(byte) 5) goto main::@3
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Successful SSA optimization Pass2ConditionalJumpSimplification
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Negating conditional jump and destination [13] if((byte) main::i#2<=(byte) 5) goto main::@2
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Successful SSA optimization Pass2ConditionalJumpSequenceImprovement
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Rewriting conditional comparison [13] if((byte) main::i#2<=(byte) 5) goto main::@2
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Adding number conversion cast (unumber) 5+1 in if((byte) main::i#2<(byte) 5+(number) 1) goto main::@2
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Adding number conversion cast (unumber) 1 in if((byte) main::i#2<(unumber)(byte) 5+(number) 1) goto main::@2
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Successful SSA optimization PassNAddNumberTypeConversions
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Simplifying constant integer cast (byte) 5+(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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Constant inlined main::i#0 = (byte) 0
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Successful SSA optimization Pass2ConstantInlining
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Added new block during phi lifting main::@5(between main::@2 and main::@1)
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Added new block during phi lifting main::@6(between main::@4 and 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 @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 [12] main::c#5 ← main::c#1
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Coalesced [18] main::i#5 ← main::i#1
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Coalesced [19] main::c#4 ← main::c#0
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Coalesced down to 2 phi equivalence classes
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Culled Empty Block (label) @2
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Culled Empty Block (label) main::@5
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Culled Empty Block (label) main::@6
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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::@2
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[5] (byte) main::i#2 ← phi( main/(byte) 0 main::@2/(byte) main::i#1 )
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[6] (byte) main::c#0 ← (byte) main::i#2 + (byte) 5
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[7] (byte~) main::$1 ← (byte) main::i#2 & (byte) 1
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[8] if((byte~) main::$1==(byte) 0) goto main::@3
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to:main::@4
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main::@4: scope:[main] from main::@1
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[9] if((byte) main::i#2<(byte) 5+(byte) 1) goto main::@2
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to:main::@3
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main::@3: scope:[main] from main::@1 main::@4
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[10] (byte) main::c#1 ← ++ (byte) main::c#0
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to:main::@2
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main::@2: scope:[main] from main::@3 main::@4
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[11] (byte) main::c#2 ← phi( main::@4/(byte) main::c#0 main::@3/(byte) main::c#1 )
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[12] *((const nomodify byte*) main::SCREEN + (byte) main::i#2) ← (byte) main::c#2
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[13] (byte) main::i#1 ← ++ (byte) main::i#2
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[14] if((byte) main::i#1!=(byte) $b) goto main::@1
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to:main::@return
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main::@return: scope:[main] from main::@2
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[15] 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::c
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(byte) main::c#0 75.75
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(byte) main::c#1 202.0
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(byte) main::c#2 303.0
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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 75.75
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Initial phi equivalence classes
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[ main::i#2 main::i#1 ]
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[ main::c#2 main::c#0 main::c#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::c#2 main::c#0 main::c#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::c#2 main::c#0 main::c#1 ]
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Allocated zp[1]:4 [ 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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// Tests statement sequence generation
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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 __1 = 4
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.label c = 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) 0 [phi:main->main::@1#0] -- vbuz1=vbuc1
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lda #0
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sta.z i
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jmp __b1
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// [5] phi from main::@2 to main::@1 [phi:main::@2->main::@1]
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__b1_from___b2:
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// [5] phi (byte) main::i#2 = (byte) main::i#1 [phi:main::@2->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::c#0 ← (byte) main::i#2 + (byte) 5 -- vbuz1=vbuz2_plus_vbuc1
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lax.z i
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axs #-[5]
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stx.z c
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// [7] (byte~) main::$1 ← (byte) main::i#2 & (byte) 1 -- vbuz1=vbuz2_band_vbuc1
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lda #1
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and.z i
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sta.z __1
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// [8] if((byte~) main::$1==(byte) 0) goto main::@3 -- vbuz1_eq_0_then_la1
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lda.z __1
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cmp #0
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beq __b3
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jmp __b4
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// main::@4
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__b4:
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// [9] if((byte) main::i#2<(byte) 5+(byte) 1) goto main::@2 -- vbuz1_lt_vbuc1_then_la1
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lda.z i
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cmp #5+1
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bcc __b2_from___b4
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jmp __b3
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// main::@3
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__b3:
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// [10] (byte) main::c#1 ← ++ (byte) main::c#0 -- vbuz1=_inc_vbuz1
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inc.z c
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// [11] phi from main::@3 main::@4 to main::@2 [phi:main::@3/main::@4->main::@2]
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__b2_from___b3:
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__b2_from___b4:
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// [11] phi (byte) main::c#2 = (byte) main::c#1 [phi:main::@3/main::@4->main::@2#0] -- register_copy
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jmp __b2
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// main::@2
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__b2:
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// [12] *((const nomodify byte*) main::SCREEN + (byte) main::i#2) ← (byte) main::c#2 -- pbuc1_derefidx_vbuz1=vbuz2
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lda.z c
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ldy.z i
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sta SCREEN,y
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// [13] (byte) main::i#1 ← ++ (byte) main::i#2 -- vbuz1=_inc_vbuz1
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inc.z i
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// [14] if((byte) main::i#1!=(byte) $b) goto main::@1 -- vbuz1_neq_vbuc1_then_la1
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lda #$b
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cmp.z i
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bne __b1_from___b2
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jmp __breturn
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// main::@return
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__breturn:
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// [15] 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::c#2 main::c#0 main::c#1 ] : zp[1]:3 , reg byte a , reg byte x , reg byte y ,
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Potential registers zp[1]:4 [ main::$1 ] : zp[1]:4 , reg byte a , reg byte x , reg byte y ,
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REGISTER UPLIFT SCOPES
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Uplift Scope [main] 580.75: zp[1]:3 [ main::c#2 main::c#0 main::c#1 ] 227.25: zp[1]:2 [ main::i#2 main::i#1 ] 202: zp[1]:4 [ main::$1 ]
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Uplift Scope []
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Uplifting [main] best 563 combination reg byte x [ main::c#2 main::c#0 main::c#1 ] reg byte y [ main::i#2 main::i#1 ] reg byte a [ main::$1 ]
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Uplifting [] best 563 combination
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ASSEMBLER BEFORE OPTIMIZATION
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// File Comments
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// Tests statement sequence generation
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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::i#2 = (byte) 0 [phi:main->main::@1#0] -- vbuyy=vbuc1
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ldy #0
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jmp __b1
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// [5] phi from main::@2 to main::@1 [phi:main::@2->main::@1]
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__b1_from___b2:
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// [5] phi (byte) main::i#2 = (byte) main::i#1 [phi:main::@2->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::c#0 ← (byte) main::i#2 + (byte) 5 -- vbuxx=vbuyy_plus_vbuc1
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tya
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tax
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axs #-[5]
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// [7] (byte~) main::$1 ← (byte) main::i#2 & (byte) 1 -- vbuaa=vbuyy_band_vbuc1
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tya
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and #1
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// [8] if((byte~) main::$1==(byte) 0) goto main::@3 -- vbuaa_eq_0_then_la1
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cmp #0
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beq __b3
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jmp __b4
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// main::@4
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__b4:
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// [9] if((byte) main::i#2<(byte) 5+(byte) 1) goto main::@2 -- vbuyy_lt_vbuc1_then_la1
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cpy #5+1
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bcc __b2_from___b4
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jmp __b3
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// main::@3
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__b3:
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// [10] (byte) main::c#1 ← ++ (byte) main::c#0 -- vbuxx=_inc_vbuxx
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inx
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// [11] phi from main::@3 main::@4 to main::@2 [phi:main::@3/main::@4->main::@2]
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__b2_from___b3:
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__b2_from___b4:
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// [11] phi (byte) main::c#2 = (byte) main::c#1 [phi:main::@3/main::@4->main::@2#0] -- register_copy
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jmp __b2
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// main::@2
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__b2:
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// [12] *((const nomodify byte*) main::SCREEN + (byte) main::i#2) ← (byte) main::c#2 -- pbuc1_derefidx_vbuyy=vbuxx
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txa
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sta SCREEN,y
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// [13] (byte) main::i#1 ← ++ (byte) main::i#2 -- vbuyy=_inc_vbuyy
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iny
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// [14] if((byte) main::i#1!=(byte) $b) goto main::@1 -- vbuyy_neq_vbuc1_then_la1
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cpy #$b
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|
bne __b1_from___b2
|
|
jmp __breturn
|
|
// main::@return
|
|
__breturn:
|
|
// [15] return
|
|
rts
|
|
}
|
|
// File Data
|
|
|
|
ASSEMBLER OPTIMIZATIONS
|
|
Removing instruction jmp __b1
|
|
Removing instruction jmp __bend
|
|
Removing instruction jmp __b1
|
|
Removing instruction jmp __b4
|
|
Removing instruction jmp __b3
|
|
Removing instruction jmp __b2
|
|
Removing instruction jmp __breturn
|
|
Succesful ASM optimization Pass5NextJumpElimination
|
|
Replacing label __b2_from___b4 with __b2
|
|
Replacing label __b1_from___b2 with __b1
|
|
Removing instruction __b1_from___bbegin:
|
|
Removing instruction __b1:
|
|
Removing instruction main_from___b1:
|
|
Removing instruction __bend_from___b1:
|
|
Removing instruction __b1_from___b2:
|
|
Removing instruction __b2_from___b3:
|
|
Removing instruction __b2_from___b4:
|
|
Succesful ASM optimization Pass5RedundantLabelElimination
|
|
Removing instruction __bbegin:
|
|
Removing instruction __bend:
|
|
Removing instruction __b1_from_main:
|
|
Removing instruction __b4:
|
|
Removing instruction __breturn:
|
|
Succesful ASM optimization Pass5UnusedLabelElimination
|
|
Removing instruction jsr main
|
|
Succesful ASM optimization Pass5SkipBegin
|
|
Removing instruction jmp __b1
|
|
Succesful ASM optimization Pass5NextJumpElimination
|
|
|
|
FINAL SYMBOL TABLE
|
|
(label) @1
|
|
(label) @begin
|
|
(label) @end
|
|
(void()) main()
|
|
(byte~) main::$1 reg byte a 202.0
|
|
(label) main::@1
|
|
(label) main::@2
|
|
(label) main::@3
|
|
(label) main::@4
|
|
(label) main::@return
|
|
(const nomodify byte*) main::SCREEN = (byte*) 1024
|
|
(byte) main::c
|
|
(byte) main::c#0 reg byte x 75.75
|
|
(byte) main::c#1 reg byte x 202.0
|
|
(byte) main::c#2 reg byte x 303.0
|
|
(byte) main::i
|
|
(byte) main::i#1 reg byte y 151.5
|
|
(byte) main::i#2 reg byte y 75.75
|
|
|
|
reg byte y [ main::i#2 main::i#1 ]
|
|
reg byte x [ main::c#2 main::c#0 main::c#1 ]
|
|
reg byte a [ main::$1 ]
|
|
|
|
|
|
FINAL ASSEMBLER
|
|
Score: 371
|
|
|
|
// File Comments
|
|
// Tests statement sequence generation
|
|
// Upstart
|
|
.pc = $801 "Basic"
|
|
:BasicUpstart(main)
|
|
.pc = $80d "Program"
|
|
// Global Constants & labels
|
|
// @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: {
|
|
.label SCREEN = $400
|
|
// [5] phi from main to main::@1 [phi:main->main::@1]
|
|
// [5] phi (byte) main::i#2 = (byte) 0 [phi:main->main::@1#0] -- vbuyy=vbuc1
|
|
ldy #0
|
|
// [5] phi from main::@2 to main::@1 [phi:main::@2->main::@1]
|
|
// [5] phi (byte) main::i#2 = (byte) main::i#1 [phi:main::@2->main::@1#0] -- register_copy
|
|
// main::@1
|
|
__b1:
|
|
// c = i+5
|
|
// [6] (byte) main::c#0 ← (byte) main::i#2 + (byte) 5 -- vbuxx=vbuyy_plus_vbuc1
|
|
tya
|
|
tax
|
|
axs #-[5]
|
|
// i&1
|
|
// [7] (byte~) main::$1 ← (byte) main::i#2 & (byte) 1 -- vbuaa=vbuyy_band_vbuc1
|
|
tya
|
|
and #1
|
|
// if((i&1)==0 || i>5)
|
|
// [8] if((byte~) main::$1==(byte) 0) goto main::@3 -- vbuaa_eq_0_then_la1
|
|
cmp #0
|
|
beq __b3
|
|
// main::@4
|
|
// [9] if((byte) main::i#2<(byte) 5+(byte) 1) goto main::@2 -- vbuyy_lt_vbuc1_then_la1
|
|
cpy #5+1
|
|
bcc __b2
|
|
// main::@3
|
|
__b3:
|
|
// c++;
|
|
// [10] (byte) main::c#1 ← ++ (byte) main::c#0 -- vbuxx=_inc_vbuxx
|
|
inx
|
|
// [11] phi from main::@3 main::@4 to main::@2 [phi:main::@3/main::@4->main::@2]
|
|
// [11] phi (byte) main::c#2 = (byte) main::c#1 [phi:main::@3/main::@4->main::@2#0] -- register_copy
|
|
// main::@2
|
|
__b2:
|
|
// SCREEN[i] = c
|
|
// [12] *((const nomodify byte*) main::SCREEN + (byte) main::i#2) ← (byte) main::c#2 -- pbuc1_derefidx_vbuyy=vbuxx
|
|
txa
|
|
sta SCREEN,y
|
|
// for(byte i: 0..10)
|
|
// [13] (byte) main::i#1 ← ++ (byte) main::i#2 -- vbuyy=_inc_vbuyy
|
|
iny
|
|
// [14] if((byte) main::i#1!=(byte) $b) goto main::@1 -- vbuyy_neq_vbuc1_then_la1
|
|
cpy #$b
|
|
bne __b1
|
|
// main::@return
|
|
// }
|
|
// [15] return
|
|
rts
|
|
}
|
|
// File Data
|
|
|