mirror of
https://gitlab.com/camelot/kickc.git
synced 2024-10-21 17:24:39 +00:00
554 lines
17 KiB
Plaintext
554 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::b#0 ← (byte) 0
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to:main::@1
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main::@1: scope:[main] from main main::@4
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(byte) main::b#2 ← phi( main/(byte) main::b#0 main::@4/(byte) main::b#1 )
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(bool~) main::$0 ← (byte) main::b#2 == (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::b#5 ← phi( main::@1/(byte) main::b#2 )
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(byte~) main::$6 ← (byte) 'a'
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to:main::@4
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main::@3: scope:[main] from main::@1
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(byte) main::b#3 ← phi( main::@1/(byte) main::b#2 )
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(bool~) main::$1 ← (byte) main::b#3 == (number) 1
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if((bool~) main::$1) goto main::@5
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to:main::@6
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main::@5: scope:[main] from main::@3
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(byte) main::b#7 ← phi( main::@3/(byte) main::b#3 )
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(byte~) main::$3 ← (byte) 'b'
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to:main::@7
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main::@6: scope:[main] from main::@3
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(byte) main::b#8 ← phi( main::@3/(byte) main::b#3 )
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(byte~) main::$2 ← (byte) 'c'
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to:main::@7
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main::@7: scope:[main] from main::@5 main::@6
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(byte) main::b#6 ← phi( main::@5/(byte) main::b#7 main::@6/(byte) main::b#8 )
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(byte~) main::$4 ← phi( main::@5/(byte~) main::$3 main::@6/(byte~) main::$2 )
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(byte~) main::$5 ← (byte~) main::$4
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to:main::@4
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main::@4: scope:[main] from main::@2 main::@7
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(byte) main::b#4 ← phi( main::@2/(byte) main::b#5 main::@7/(byte) main::b#6 )
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(byte~) main::$7 ← phi( main::@2/(byte~) main::$6 main::@7/(byte~) main::$5 )
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*((const nomodify byte*) main::SCREEN) ← (byte~) main::$7
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(byte) main::b#1 ← (byte) main::b#4 + rangenext(0,2)
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(bool~) main::$8 ← (byte) main::b#1 != rangelast(0,2)
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if((bool~) main::$8) goto main::@1
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to:main::@return
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main::@return: scope:[main] from main::@4
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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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(byte~) main::$2
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(byte~) main::$3
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(byte~) main::$4
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(byte~) main::$5
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(byte~) main::$6
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(byte~) main::$7
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(bool~) main::$8
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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::@6
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(label) main::@7
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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::b
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(byte) main::b#0
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(byte) main::b#1
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(byte) main::b#2
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(byte) main::b#3
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(byte) main::b#4
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(byte) main::b#5
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(byte) main::b#6
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(byte) main::b#7
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(byte) main::b#8
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Adding number conversion cast (unumber) 0 in (bool~) main::$0 ← (byte) main::b#2 == (number) 0
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Adding number conversion cast (unumber) 1 in (bool~) main::$1 ← (byte) main::b#3 == (number) 1
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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 1
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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) 1
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Successful SSA optimization PassNFinalizeNumberTypeConversions
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Alias main::b#2 = main::b#5 main::b#3 main::b#7 main::b#8
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Alias main::$5 = main::$4
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Successful SSA optimization Pass2AliasElimination
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Alias main::b#2 = main::b#6
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Successful SSA optimization Pass2AliasElimination
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Alias main::b#2 = main::b#4
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Successful SSA optimization Pass2AliasElimination
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Simple Condition (bool~) main::$0 [3] if((byte) main::b#2==(byte) 0) goto main::@2
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Simple Condition (bool~) main::$1 [6] if((byte) main::b#2==(byte) 1) goto main::@5
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Simple Condition (bool~) main::$8 [14] if((byte) main::b#1!=rangelast(0,2)) goto main::@1
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Successful SSA optimization Pass2ConditionalJumpSimplification
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Constant (const byte) main::b#0 = 0
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Constant (const byte) main::$6 = 'a'
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Constant (const byte) main::$3 = 'b'
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Constant (const byte) main::$2 = 'c'
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Successful SSA optimization Pass2ConstantIdentification
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Resolved ranged next value [12] main::b#1 ← ++ main::b#2 to ++
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Resolved ranged comparison value [14] if(main::b#1!=rangelast(0,2)) goto main::@1 to (number) 3
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Adding number conversion cast (unumber) 3 in if((byte) main::b#1!=(number) 3) goto main::@1
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Successful SSA optimization PassNAddNumberTypeConversions
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Simplifying constant integer cast 3
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Successful SSA optimization PassNCastSimplification
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Finalized unsigned number type (byte) 3
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Successful SSA optimization PassNFinalizeNumberTypeConversions
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Inlining constant with var siblings (const byte) main::b#0
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Constant inlined main::$6 = (byte) 'a'
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Constant inlined main::$3 = (byte) 'b'
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Constant inlined main::b#0 = (byte) 0
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Constant inlined main::$2 = (byte) 'c'
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Successful SSA optimization Pass2ConstantInlining
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Added new block during phi lifting main::@8(between main::@4 and main::@1)
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Adding NOP phi() at start of @begin
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Adding NOP phi() at start of @1
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Adding NOP phi() at start of @2
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Adding NOP phi() at start of @end
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Adding NOP phi() at start of main
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Adding NOP phi() at start of main::@6
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Adding NOP phi() at start of main::@5
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Adding NOP phi() at start of main::@2
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CALL GRAPH
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Calls in [] to main:2
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Created 3 initial phi equivalence classes
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Coalesced [11] main::$9 ← main::$5
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Coalesced [17] main::b#9 ← main::b#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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Culled Empty Block (label) main::@6
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Culled Empty Block (label) main::@8
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Culled Empty Block (label) main::@2
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Renumbering block main::@3 to main::@2
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Renumbering block main::@4 to main::@3
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Renumbering block main::@5 to main::@4
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Renumbering block main::@7 to main::@5
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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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Adding NOP phi() at start of main::@4
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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::@3
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[5] (byte) main::b#2 ← phi( main/(byte) 0 main::@3/(byte) main::b#1 )
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[6] if((byte) main::b#2==(byte) 0) goto main::@3
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to:main::@2
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main::@2: scope:[main] from main::@1
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[7] if((byte) main::b#2==(byte) 1) goto main::@4
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to:main::@5
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main::@4: scope:[main] from main::@2
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[8] phi()
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to:main::@5
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main::@5: scope:[main] from main::@2 main::@4
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[9] (byte~) main::$5 ← phi( main::@4/(byte) 'b' main::@2/(byte) 'c' )
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to:main::@3
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main::@3: scope:[main] from main::@1 main::@5
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[10] (byte~) main::$7 ← phi( main::@1/(byte) 'a' main::@5/(byte~) main::$5 )
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[11] *((const nomodify byte*) main::SCREEN) ← (byte~) main::$7
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[12] (byte) main::b#1 ← ++ (byte) main::b#2
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[13] if((byte) main::b#1!=(byte) 3) goto main::@1
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to:main::@return
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main::@return: scope:[main] from main::@3
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[14] 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::$5 101.0
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(byte~) main::$7 202.0
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(byte) main::b
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(byte) main::b#1 151.5
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(byte) main::b#2 57.714285714285715
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Initial phi equivalence classes
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[ main::b#2 main::b#1 ]
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[ main::$7 main::$5 ]
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Complete equivalence classes
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[ main::b#2 main::b#1 ]
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[ main::$7 main::$5 ]
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Allocated zp[1]:2 [ main::b#2 main::b#1 ]
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Allocated zp[1]:3 [ main::$7 main::$5 ]
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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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// Demonstrates error with nested ternary operator
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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 __5 = 3
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.label __7 = 3
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.label b = 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::b#2 = (byte) 0 [phi:main->main::@1#0] -- vbuz1=vbuc1
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lda #0
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sta.z b
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jmp __b1
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// [5] phi from main::@3 to main::@1 [phi:main::@3->main::@1]
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__b1_from___b3:
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// [5] phi (byte) main::b#2 = (byte) main::b#1 [phi:main::@3->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] if((byte) main::b#2==(byte) 0) goto main::@3 -- vbuz1_eq_0_then_la1
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lda.z b
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cmp #0
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beq __b3_from___b1
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jmp __b2
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// main::@2
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__b2:
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// [7] if((byte) main::b#2==(byte) 1) goto main::@4 -- vbuz1_eq_vbuc1_then_la1
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lda #1
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cmp.z b
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beq __b4_from___b2
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// [9] phi from main::@2 to main::@5 [phi:main::@2->main::@5]
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__b5_from___b2:
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// [9] phi (byte~) main::$5 = (byte) 'c' [phi:main::@2->main::@5#0] -- vbuz1=vbuc1
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lda #'c'
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sta.z __5
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jmp __b5
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// [8] phi from main::@2 to main::@4 [phi:main::@2->main::@4]
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__b4_from___b2:
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jmp __b4
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// main::@4
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__b4:
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// [9] phi from main::@4 to main::@5 [phi:main::@4->main::@5]
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__b5_from___b4:
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// [9] phi (byte~) main::$5 = (byte) 'b' [phi:main::@4->main::@5#0] -- vbuz1=vbuc1
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lda #'b'
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sta.z __5
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jmp __b5
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// main::@5
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__b5:
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// [10] phi from main::@5 to main::@3 [phi:main::@5->main::@3]
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__b3_from___b5:
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// [10] phi (byte~) main::$7 = (byte~) main::$5 [phi:main::@5->main::@3#0] -- register_copy
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jmp __b3
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// [10] phi from main::@1 to main::@3 [phi:main::@1->main::@3]
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__b3_from___b1:
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// [10] phi (byte~) main::$7 = (byte) 'a' [phi:main::@1->main::@3#0] -- vbuz1=vbuc1
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lda #'a'
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sta.z __7
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jmp __b3
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// main::@3
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__b3:
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// [11] *((const nomodify byte*) main::SCREEN) ← (byte~) main::$7 -- _deref_pbuc1=vbuz1
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lda.z __7
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sta SCREEN
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// [12] (byte) main::b#1 ← ++ (byte) main::b#2 -- vbuz1=_inc_vbuz1
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inc.z b
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// [13] if((byte) main::b#1!=(byte) 3) goto main::@1 -- vbuz1_neq_vbuc1_then_la1
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lda #3
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cmp.z b
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bne __b1_from___b3
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jmp __breturn
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// main::@return
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__breturn:
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// [14] 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::b#2 main::b#1 ] : zp[1]:2 , reg byte a , reg byte x , reg byte y ,
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Potential registers zp[1]:3 [ main::$7 main::$5 ] : 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] 303: zp[1]:3 [ main::$7 main::$5 ] 209.21: zp[1]:2 [ main::b#2 main::b#1 ]
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Uplift Scope []
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Uplifting [main] best 563 combination reg byte a [ main::$7 main::$5 ] reg byte x [ main::b#2 main::b#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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// Demonstrates error with nested ternary operator
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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::b#2 = (byte) 0 [phi:main->main::@1#0] -- vbuxx=vbuc1
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ldx #0
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jmp __b1
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// [5] phi from main::@3 to main::@1 [phi:main::@3->main::@1]
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__b1_from___b3:
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// [5] phi (byte) main::b#2 = (byte) main::b#1 [phi:main::@3->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] if((byte) main::b#2==(byte) 0) goto main::@3 -- vbuxx_eq_0_then_la1
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cpx #0
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beq __b3_from___b1
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jmp __b2
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// main::@2
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__b2:
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// [7] if((byte) main::b#2==(byte) 1) goto main::@4 -- vbuxx_eq_vbuc1_then_la1
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cpx #1
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beq __b4_from___b2
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// [9] phi from main::@2 to main::@5 [phi:main::@2->main::@5]
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__b5_from___b2:
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// [9] phi (byte~) main::$5 = (byte) 'c' [phi:main::@2->main::@5#0] -- vbuaa=vbuc1
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lda #'c'
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jmp __b5
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// [8] phi from main::@2 to main::@4 [phi:main::@2->main::@4]
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__b4_from___b2:
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jmp __b4
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// main::@4
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__b4:
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// [9] phi from main::@4 to main::@5 [phi:main::@4->main::@5]
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__b5_from___b4:
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// [9] phi (byte~) main::$5 = (byte) 'b' [phi:main::@4->main::@5#0] -- vbuaa=vbuc1
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lda #'b'
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jmp __b5
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// main::@5
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__b5:
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// [10] phi from main::@5 to main::@3 [phi:main::@5->main::@3]
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__b3_from___b5:
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// [10] phi (byte~) main::$7 = (byte~) main::$5 [phi:main::@5->main::@3#0] -- register_copy
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jmp __b3
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// [10] phi from main::@1 to main::@3 [phi:main::@1->main::@3]
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__b3_from___b1:
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// [10] phi (byte~) main::$7 = (byte) 'a' [phi:main::@1->main::@3#0] -- vbuaa=vbuc1
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lda #'a'
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jmp __b3
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// main::@3
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__b3:
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// [11] *((const nomodify byte*) main::SCREEN) ← (byte~) main::$7 -- _deref_pbuc1=vbuaa
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sta SCREEN
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// [12] (byte) main::b#1 ← ++ (byte) main::b#2 -- vbuxx=_inc_vbuxx
|
|
inx
|
|
// [13] if((byte) main::b#1!=(byte) 3) goto main::@1 -- vbuxx_neq_vbuc1_then_la1
|
|
cpx #3
|
|
bne __b1_from___b3
|
|
jmp __breturn
|
|
// main::@return
|
|
__breturn:
|
|
// [14] return
|
|
rts
|
|
}
|
|
// File Data
|
|
|
|
ASSEMBLER OPTIMIZATIONS
|
|
Removing instruction jmp __b1
|
|
Removing instruction jmp __bend
|
|
Removing instruction jmp __b1
|
|
Removing instruction jmp __b2
|
|
Removing instruction jmp __b4
|
|
Removing instruction jmp __b5
|
|
Removing instruction jmp __b3
|
|
Removing instruction jmp __breturn
|
|
Succesful ASM optimization Pass5NextJumpElimination
|
|
Replacing label __b4_from___b2 with __b4
|
|
Replacing label __b1_from___b3 with __b1
|
|
Removing instruction __b1_from___bbegin:
|
|
Removing instruction __b1:
|
|
Removing instruction main_from___b1:
|
|
Removing instruction __bend_from___b1:
|
|
Removing instruction __b1_from___b3:
|
|
Removing instruction __b4_from___b2:
|
|
Removing instruction __b5_from___b4:
|
|
Removing instruction __b3_from___b5:
|
|
Succesful ASM optimization Pass5RedundantLabelElimination
|
|
Removing instruction __bbegin:
|
|
Removing instruction __bend:
|
|
Removing instruction __b1_from_main:
|
|
Removing instruction __b2:
|
|
Removing instruction __b5_from___b2:
|
|
Removing instruction __breturn:
|
|
Succesful ASM optimization Pass5UnusedLabelElimination
|
|
Removing instruction jsr main
|
|
Succesful ASM optimization Pass5SkipBegin
|
|
Skipping double jump to __b3 in jmp __b5
|
|
Succesful ASM optimization Pass5DoubleJumpElimination
|
|
Relabelling long label __b3_from___b1 to __b2
|
|
Succesful ASM optimization Pass5RelabelLongLabels
|
|
Removing instruction jmp __b1
|
|
Succesful ASM optimization Pass5NextJumpElimination
|
|
Removing instruction __b5:
|
|
Succesful ASM optimization Pass5UnusedLabelElimination
|
|
|
|
FINAL SYMBOL TABLE
|
|
(label) @1
|
|
(label) @begin
|
|
(label) @end
|
|
(void()) main()
|
|
(byte~) main::$5 reg byte a 101.0
|
|
(byte~) main::$7 reg byte a 202.0
|
|
(label) main::@1
|
|
(label) main::@2
|
|
(label) main::@3
|
|
(label) main::@4
|
|
(label) main::@5
|
|
(label) main::@return
|
|
(const nomodify byte*) main::SCREEN = (byte*) 1024
|
|
(byte) main::b
|
|
(byte) main::b#1 reg byte x 151.5
|
|
(byte) main::b#2 reg byte x 57.714285714285715
|
|
|
|
reg byte x [ main::b#2 main::b#1 ]
|
|
reg byte a [ main::$7 main::$5 ]
|
|
|
|
|
|
FINAL ASSEMBLER
|
|
Score: 341
|
|
|
|
// File Comments
|
|
// Demonstrates error with nested ternary operator
|
|
// 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::b#2 = (byte) 0 [phi:main->main::@1#0] -- vbuxx=vbuc1
|
|
ldx #0
|
|
// [5] phi from main::@3 to main::@1 [phi:main::@3->main::@1]
|
|
// [5] phi (byte) main::b#2 = (byte) main::b#1 [phi:main::@3->main::@1#0] -- register_copy
|
|
// main::@1
|
|
__b1:
|
|
// (b == 0) ? 'a' : ((b == 1) ? 'b' : 'c')
|
|
// [6] if((byte) main::b#2==(byte) 0) goto main::@3 -- vbuxx_eq_0_then_la1
|
|
cpx #0
|
|
beq __b2
|
|
// main::@2
|
|
// (b == 1) ? 'b' : 'c'
|
|
// [7] if((byte) main::b#2==(byte) 1) goto main::@4 -- vbuxx_eq_vbuc1_then_la1
|
|
cpx #1
|
|
beq __b4
|
|
// [9] phi from main::@2 to main::@5 [phi:main::@2->main::@5]
|
|
// [9] phi (byte~) main::$5 = (byte) 'c' [phi:main::@2->main::@5#0] -- vbuaa=vbuc1
|
|
lda #'c'
|
|
jmp __b3
|
|
// [8] phi from main::@2 to main::@4 [phi:main::@2->main::@4]
|
|
// main::@4
|
|
__b4:
|
|
// (b == 1) ? 'b' : 'c'
|
|
// [9] phi from main::@4 to main::@5 [phi:main::@4->main::@5]
|
|
// [9] phi (byte~) main::$5 = (byte) 'b' [phi:main::@4->main::@5#0] -- vbuaa=vbuc1
|
|
lda #'b'
|
|
// main::@5
|
|
// (b == 0) ? 'a' : ((b == 1) ? 'b' : 'c')
|
|
// [10] phi from main::@5 to main::@3 [phi:main::@5->main::@3]
|
|
// [10] phi (byte~) main::$7 = (byte~) main::$5 [phi:main::@5->main::@3#0] -- register_copy
|
|
jmp __b3
|
|
// [10] phi from main::@1 to main::@3 [phi:main::@1->main::@3]
|
|
__b2:
|
|
// [10] phi (byte~) main::$7 = (byte) 'a' [phi:main::@1->main::@3#0] -- vbuaa=vbuc1
|
|
lda #'a'
|
|
// main::@3
|
|
__b3:
|
|
// *SCREEN = (b == 0) ? 'a' : ((b == 1) ? 'b' : 'c')
|
|
// [11] *((const nomodify byte*) main::SCREEN) ← (byte~) main::$7 -- _deref_pbuc1=vbuaa
|
|
sta SCREEN
|
|
// for ( byte b: 0..2 )
|
|
// [12] (byte) main::b#1 ← ++ (byte) main::b#2 -- vbuxx=_inc_vbuxx
|
|
inx
|
|
// [13] if((byte) main::b#1!=(byte) 3) goto main::@1 -- vbuxx_neq_vbuc1_then_la1
|
|
cpx #3
|
|
bne __b1
|
|
// main::@return
|
|
// }
|
|
// [14] return
|
|
rts
|
|
}
|
|
// File Data
|
|
|