mirror of
https://gitlab.com/camelot/kickc.git
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553 lines
16 KiB
Plaintext
553 lines
16 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) sum::a#0 ← (byte) 'a'
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(byte) sum::b#0 ← (number) 2
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call sum
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(byte) sum::return#0 ← (byte) sum::return#3
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to:main::@1
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main::@1: scope:[main] from main
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(byte) sum::return#4 ← phi( main/(byte) sum::return#0 )
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(byte~) main::$0 ← (byte) sum::return#4
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*((const nomodify byte*) SCREEN + (number) 0) ← (byte~) main::$0
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(byte) sum::a#1 ← (byte) 'a'
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(byte) sum::b#1 ← (number) $c
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call sum
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(byte) sum::return#1 ← (byte) sum::return#3
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to:main::@2
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main::@2: scope:[main] from main::@1
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(byte) sum::return#5 ← phi( main::@1/(byte) sum::return#1 )
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(byte~) main::$1 ← (byte) sum::return#5
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*((const nomodify byte*) SCREEN + (number) 1) ← (byte~) main::$1
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to:main::@return
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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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(byte()) sum((byte) sum::a , (byte) sum::b)
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sum: scope:[sum] from main main::@1
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(byte) sum::b#2 ← phi( main/(byte) sum::b#0 main::@1/(byte) sum::b#1 )
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(byte) sum::a#2 ← phi( main/(byte) sum::a#0 main::@1/(byte) sum::a#1 )
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(byte~) sum::$0 ← (byte) sum::a#2 + (byte) sum::b#2
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(byte) sum::return#2 ← (byte~) sum::$0
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to:sum::@return
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sum::@return: scope:[sum] from sum
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(byte) sum::return#6 ← phi( sum/(byte) sum::return#2 )
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(byte) sum::return#3 ← (byte) sum::return#6
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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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(const nomodify byte*) SCREEN = (byte*)(number) $400
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(void()) main()
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(byte~) main::$0
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(byte~) main::$1
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(label) main::@1
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(label) main::@2
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(label) main::@return
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(byte()) sum((byte) sum::a , (byte) sum::b)
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(byte~) sum::$0
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(label) sum::@return
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(byte) sum::a
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(byte) sum::a#0
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(byte) sum::a#1
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(byte) sum::a#2
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(byte) sum::b
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(byte) sum::b#0
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(byte) sum::b#1
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(byte) sum::b#2
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(byte) sum::return
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(byte) sum::return#0
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(byte) sum::return#1
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(byte) sum::return#2
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(byte) sum::return#3
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(byte) sum::return#4
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(byte) sum::return#5
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(byte) sum::return#6
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Adding number conversion cast (unumber) 2 in (byte) sum::b#0 ← (number) 2
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Adding number conversion cast (unumber) 0 in *((const nomodify byte*) SCREEN + (number) 0) ← (byte~) main::$0
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Adding number conversion cast (unumber) $c in (byte) sum::b#1 ← (number) $c
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Adding number conversion cast (unumber) 1 in *((const nomodify byte*) SCREEN + (number) 1) ← (byte~) main::$1
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Successful SSA optimization PassNAddNumberTypeConversions
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Inlining cast (byte) sum::b#0 ← (unumber)(number) 2
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Inlining cast (byte) sum::b#1 ← (unumber)(number) $c
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Successful SSA optimization Pass2InlineCast
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Simplifying constant pointer cast (byte*) 1024
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Simplifying constant integer cast 2
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Simplifying constant integer cast 0
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Simplifying constant integer cast $c
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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) 2
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Finalized unsigned number type (byte) 0
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Finalized unsigned number type (byte) $c
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Finalized unsigned number type (byte) 1
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Successful SSA optimization PassNFinalizeNumberTypeConversions
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Alias sum::return#0 = sum::return#4
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Alias sum::return#1 = sum::return#5
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Alias sum::return#2 = sum::$0 sum::return#6 sum::return#3
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Successful SSA optimization Pass2AliasElimination
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Constant (const byte) sum::a#0 = 'a'
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Constant (const byte) sum::b#0 = 2
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Constant (const byte) sum::a#1 = 'a'
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Constant (const byte) sum::b#1 = $c
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Successful SSA optimization Pass2ConstantIdentification
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Simplifying expression containing zero SCREEN in [5] *((const nomodify byte*) SCREEN + (byte) 0) ← (byte~) main::$0
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Successful SSA optimization PassNSimplifyExpressionWithZero
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Inlining constant with var siblings (const byte) sum::a#0
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Inlining constant with var siblings (const byte) sum::b#0
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Inlining constant with var siblings (const byte) sum::a#1
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Inlining constant with var siblings (const byte) sum::b#1
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Constant inlined sum::b#1 = (byte) $c
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Constant inlined sum::b#0 = (byte) 2
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Constant inlined sum::a#1 = (byte) 'a'
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Constant inlined sum::a#0 = (byte) 'a'
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Successful SSA optimization Pass2ConstantInlining
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Consolidated array index constant in *(SCREEN+1)
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Successful SSA optimization Pass2ConstantAdditionElimination
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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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Calls in [main] to sum:6 sum:10
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Created 2 initial phi equivalence classes
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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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[5] call sum
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[6] (byte) sum::return#0 ← (byte) sum::return#2
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to:main::@1
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main::@1: scope:[main] from main
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[7] (byte~) main::$0 ← (byte) sum::return#0
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[8] *((const nomodify byte*) SCREEN) ← (byte~) main::$0
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[9] call sum
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[10] (byte) sum::return#1 ← (byte) sum::return#2
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to:main::@2
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main::@2: scope:[main] from main::@1
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[11] (byte~) main::$1 ← (byte) sum::return#1
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[12] *((const nomodify byte*) SCREEN+(byte) 1) ← (byte~) main::$1
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to:main::@return
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main::@return: scope:[main] from main::@2
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[13] return
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to:@return
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(byte()) sum((byte) sum::a , (byte) sum::b)
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sum: scope:[sum] from main main::@1
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[14] (byte) sum::b#2 ← phi( main/(byte) 2 main::@1/(byte) $c )
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[14] (byte) sum::a#2 ← phi( main/(byte) 'a' main::@1/(byte) 'a' )
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[15] (byte) sum::return#2 ← (byte) sum::a#2 + (byte) sum::b#2
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to:sum::@return
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sum::@return: scope:[sum] from sum
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[16] 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::$0 22.0
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(byte~) main::$1 22.0
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(byte()) sum((byte) sum::a , (byte) sum::b)
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(byte) sum::a
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(byte) sum::a#2 101.0
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(byte) sum::b
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(byte) sum::b#2 101.0
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(byte) sum::return
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(byte) sum::return#0 22.0
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(byte) sum::return#1 22.0
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(byte) sum::return#2 30.75
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Initial phi equivalence classes
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[ sum::a#2 ]
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[ sum::b#2 ]
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Added variable sum::return#0 to live range equivalence class [ sum::return#0 ]
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Added variable main::$0 to live range equivalence class [ main::$0 ]
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Added variable sum::return#1 to live range equivalence class [ sum::return#1 ]
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Added variable main::$1 to live range equivalence class [ main::$1 ]
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Added variable sum::return#2 to live range equivalence class [ sum::return#2 ]
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Complete equivalence classes
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[ sum::a#2 ]
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[ sum::b#2 ]
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[ sum::return#0 ]
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[ main::$0 ]
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[ sum::return#1 ]
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[ main::$1 ]
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[ sum::return#2 ]
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Allocated zp[1]:2 [ sum::a#2 ]
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Allocated zp[1]:3 [ sum::b#2 ]
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Allocated zp[1]:4 [ sum::return#0 ]
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Allocated zp[1]:5 [ main::$0 ]
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Allocated zp[1]:6 [ sum::return#1 ]
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Allocated zp[1]:7 [ main::$1 ]
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Allocated zp[1]:8 [ sum::return#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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// Test declarations without body
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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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.label SCREEN = $400
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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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// Definition of main()
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main: {
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.label __0 = 5
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.label __1 = 7
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// [5] call sum
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// [14] phi from main to sum [phi:main->sum]
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sum_from_main:
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// [14] phi (byte) sum::b#2 = (byte) 2 [phi:main->sum#0] -- vbuz1=vbuc1
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lda #2
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sta.z sum.b
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// [14] phi (byte) sum::a#2 = (byte) 'a' [phi:main->sum#1] -- vbuz1=vbuc1
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lda #'a'
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sta.z sum.a
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jsr sum
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// [6] (byte) sum::return#0 ← (byte) sum::return#2 -- vbuz1=vbuz2
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lda.z sum.return_2
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sta.z sum.return
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jmp __b1
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// main::@1
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__b1:
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// [7] (byte~) main::$0 ← (byte) sum::return#0 -- vbuz1=vbuz2
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lda.z sum.return
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sta.z __0
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// [8] *((const nomodify byte*) SCREEN) ← (byte~) main::$0 -- _deref_pbuc1=vbuz1
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lda.z __0
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sta SCREEN
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// [9] call sum
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// [14] phi from main::@1 to sum [phi:main::@1->sum]
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sum_from___b1:
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// [14] phi (byte) sum::b#2 = (byte) $c [phi:main::@1->sum#0] -- vbuz1=vbuc1
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lda #$c
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sta.z sum.b
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// [14] phi (byte) sum::a#2 = (byte) 'a' [phi:main::@1->sum#1] -- vbuz1=vbuc1
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lda #'a'
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sta.z sum.a
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jsr sum
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// [10] (byte) sum::return#1 ← (byte) sum::return#2 -- vbuz1=vbuz2
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lda.z sum.return_2
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sta.z sum.return_1
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jmp __b2
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// main::@2
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__b2:
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// [11] (byte~) main::$1 ← (byte) sum::return#1 -- vbuz1=vbuz2
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lda.z sum.return_1
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sta.z __1
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// [12] *((const nomodify byte*) SCREEN+(byte) 1) ← (byte~) main::$1 -- _deref_pbuc1=vbuz1
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lda.z __1
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sta SCREEN+1
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jmp __breturn
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// main::@return
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__breturn:
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// [13] return
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rts
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}
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// sum
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// Definition of sum()
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// sum(byte zp(2) a, byte zp(3) b)
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sum: {
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.label return = 4
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.label return_1 = 6
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.label return_2 = 8
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.label a = 2
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.label b = 3
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// [15] (byte) sum::return#2 ← (byte) sum::a#2 + (byte) sum::b#2 -- vbuz1=vbuz2_plus_vbuz3
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lda.z a
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clc
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adc.z b
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sta.z return_2
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jmp __breturn
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// sum::@return
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__breturn:
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// [16] 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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Statement [15] (byte) sum::return#2 ← (byte) sum::a#2 + (byte) sum::b#2 [ sum::return#2 ] ( main:2::sum:5 [ sum::return#2 ] { { sum::return#0 = sum::return#2 } } main:2::sum:9 [ sum::return#2 ] { { sum::return#1 = sum::return#2 } } ) always clobbers reg byte a
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Potential registers zp[1]:2 [ sum::a#2 ] : zp[1]:2 , reg byte a , reg byte x , reg byte y ,
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Potential registers zp[1]:3 [ sum::b#2 ] : zp[1]:3 , reg byte a , reg byte x , reg byte y ,
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Potential registers zp[1]:4 [ sum::return#0 ] : zp[1]:4 , reg byte a , reg byte x , reg byte y ,
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Potential registers zp[1]:5 [ main::$0 ] : zp[1]:5 , reg byte a , reg byte x , reg byte y ,
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Potential registers zp[1]:6 [ sum::return#1 ] : zp[1]:6 , reg byte a , reg byte x , reg byte y ,
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Potential registers zp[1]:7 [ main::$1 ] : zp[1]:7 , reg byte a , reg byte x , reg byte y ,
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Potential registers zp[1]:8 [ sum::return#2 ] : zp[1]:8 , reg byte a , reg byte x , reg byte y ,
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REGISTER UPLIFT SCOPES
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Uplift Scope [sum] 101: zp[1]:2 [ sum::a#2 ] 101: zp[1]:3 [ sum::b#2 ] 30.75: zp[1]:8 [ sum::return#2 ] 22: zp[1]:4 [ sum::return#0 ] 22: zp[1]:6 [ sum::return#1 ]
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Uplift Scope [main] 22: zp[1]:5 [ main::$0 ] 22: zp[1]:7 [ main::$1 ]
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Uplift Scope []
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Uplifting [sum] best 90 combination reg byte x [ sum::a#2 ] reg byte a [ sum::b#2 ] reg byte a [ sum::return#2 ] reg byte a [ sum::return#0 ] zp[1]:6 [ sum::return#1 ]
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Limited combination testing to 100 combinations of 1024 possible.
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Uplifting [main] best 78 combination reg byte a [ main::$0 ] reg byte a [ main::$1 ]
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Uplifting [] best 78 combination
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Attempting to uplift remaining variables inzp[1]:6 [ sum::return#1 ]
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Uplifting [sum] best 72 combination reg byte a [ sum::return#1 ]
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ASSEMBLER BEFORE OPTIMIZATION
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// File Comments
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// Test declarations without body
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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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.label SCREEN = $400
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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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// Definition of main()
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main: {
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// [5] call sum
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// [14] phi from main to sum [phi:main->sum]
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sum_from_main:
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// [14] phi (byte) sum::b#2 = (byte) 2 [phi:main->sum#0] -- vbuaa=vbuc1
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lda #2
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// [14] phi (byte) sum::a#2 = (byte) 'a' [phi:main->sum#1] -- vbuxx=vbuc1
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ldx #'a'
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jsr sum
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// [6] (byte) sum::return#0 ← (byte) sum::return#2
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jmp __b1
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// main::@1
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__b1:
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// [7] (byte~) main::$0 ← (byte) sum::return#0
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// [8] *((const nomodify byte*) SCREEN) ← (byte~) main::$0 -- _deref_pbuc1=vbuaa
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sta SCREEN
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// [9] call sum
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// [14] phi from main::@1 to sum [phi:main::@1->sum]
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sum_from___b1:
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// [14] phi (byte) sum::b#2 = (byte) $c [phi:main::@1->sum#0] -- vbuaa=vbuc1
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lda #$c
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// [14] phi (byte) sum::a#2 = (byte) 'a' [phi:main::@1->sum#1] -- vbuxx=vbuc1
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ldx #'a'
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jsr sum
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// [10] (byte) sum::return#1 ← (byte) sum::return#2
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jmp __b2
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// main::@2
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__b2:
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// [11] (byte~) main::$1 ← (byte) sum::return#1
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// [12] *((const nomodify byte*) SCREEN+(byte) 1) ← (byte~) main::$1 -- _deref_pbuc1=vbuaa
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sta SCREEN+1
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jmp __breturn
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// main::@return
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__breturn:
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// [13] return
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rts
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}
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// sum
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// Definition of sum()
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// sum(byte register(X) a, byte register(A) b)
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sum: {
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// [15] (byte) sum::return#2 ← (byte) sum::a#2 + (byte) sum::b#2 -- vbuaa=vbuxx_plus_vbuaa
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stx.z $ff
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clc
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adc.z $ff
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jmp __breturn
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// sum::@return
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__breturn:
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// [16] 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 __b2
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Removing instruction jmp __breturn
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Removing instruction jmp __breturn
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Succesful ASM optimization Pass5NextJumpElimination
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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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Succesful ASM optimization Pass5RedundantLabelElimination
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Removing instruction __bbegin:
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Removing instruction __bend:
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Removing instruction sum_from_main:
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Removing instruction __b1:
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Removing instruction sum_from___b1:
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Removing instruction __b2:
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Removing instruction __breturn:
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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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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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(const nomodify byte*) SCREEN = (byte*) 1024
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(void()) main()
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(byte~) main::$0 reg byte a 22.0
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(byte~) main::$1 reg byte a 22.0
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(label) main::@1
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(label) main::@2
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(label) main::@return
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(byte()) sum((byte) sum::a , (byte) sum::b)
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(label) sum::@return
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(byte) sum::a
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(byte) sum::a#2 reg byte x 101.0
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(byte) sum::b
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(byte) sum::b#2 reg byte a 101.0
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(byte) sum::return
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(byte) sum::return#0 reg byte a 22.0
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(byte) sum::return#1 reg byte a 22.0
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(byte) sum::return#2 reg byte a 30.75
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reg byte x [ sum::a#2 ]
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reg byte a [ sum::b#2 ]
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reg byte a [ sum::return#0 ]
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reg byte a [ main::$0 ]
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reg byte a [ sum::return#1 ]
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reg byte a [ main::$1 ]
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reg byte a [ sum::return#2 ]
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FINAL ASSEMBLER
|
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Score: 48
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|
|
// File Comments
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// Test declarations without body
|
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// Upstart
|
|
.pc = $801 "Basic"
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:BasicUpstart(main)
|
|
.pc = $80d "Program"
|
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// Global Constants & labels
|
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.label SCREEN = $400
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|
// @begin
|
|
// [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]
|
|
// @end
|
|
// main
|
|
// Definition of main()
|
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main: {
|
|
// sum('a', 2)
|
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// [5] call sum
|
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// [14] phi from main to sum [phi:main->sum]
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// [14] phi (byte) sum::b#2 = (byte) 2 [phi:main->sum#0] -- vbuaa=vbuc1
|
|
lda #2
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|
// [14] phi (byte) sum::a#2 = (byte) 'a' [phi:main->sum#1] -- vbuxx=vbuc1
|
|
ldx #'a'
|
|
jsr sum
|
|
// sum('a', 2)
|
|
// [6] (byte) sum::return#0 ← (byte) sum::return#2
|
|
// main::@1
|
|
// [7] (byte~) main::$0 ← (byte) sum::return#0
|
|
// SCREEN[0] = sum('a', 2)
|
|
// [8] *((const nomodify byte*) SCREEN) ← (byte~) main::$0 -- _deref_pbuc1=vbuaa
|
|
sta SCREEN
|
|
// sum('a', 12)
|
|
// [9] call sum
|
|
// [14] phi from main::@1 to sum [phi:main::@1->sum]
|
|
// [14] phi (byte) sum::b#2 = (byte) $c [phi:main::@1->sum#0] -- vbuaa=vbuc1
|
|
lda #$c
|
|
// [14] phi (byte) sum::a#2 = (byte) 'a' [phi:main::@1->sum#1] -- vbuxx=vbuc1
|
|
ldx #'a'
|
|
jsr sum
|
|
// sum('a', 12)
|
|
// [10] (byte) sum::return#1 ← (byte) sum::return#2
|
|
// main::@2
|
|
// [11] (byte~) main::$1 ← (byte) sum::return#1
|
|
// SCREEN[1] = sum('a', 12)
|
|
// [12] *((const nomodify byte*) SCREEN+(byte) 1) ← (byte~) main::$1 -- _deref_pbuc1=vbuaa
|
|
sta SCREEN+1
|
|
// main::@return
|
|
// }
|
|
// [13] return
|
|
rts
|
|
}
|
|
// sum
|
|
// Definition of sum()
|
|
// sum(byte register(X) a, byte register(A) b)
|
|
sum: {
|
|
// a+b
|
|
// [15] (byte) sum::return#2 ← (byte) sum::a#2 + (byte) sum::b#2 -- vbuaa=vbuxx_plus_vbuaa
|
|
stx.z $ff
|
|
clc
|
|
adc.z $ff
|
|
// sum::@return
|
|
// }
|
|
// [16] return
|
|
rts
|
|
}
|
|
// File Data
|
|
|