mirror of
https://gitlab.com/camelot/kickc.git
synced 2024-09-29 03:56:15 +00:00
545 lines
18 KiB
Plaintext
545 lines
18 KiB
Plaintext
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CONTROL FLOW GRAPH SSA
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void main()
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main: scope:[main] from __start
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main::a#0 = 0
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to:main::@1
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main::@1: scope:[main] from main main::@5
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main::a#7 = phi( main/main::a#0, main::@5/main::a#1 )
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main::b#0 = 0
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to:main::@2
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main::@2: scope:[main] from main::@1 main::@4
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main::b#4 = phi( main::@1/main::b#0, main::@4/main::b#1 )
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main::a#4 = phi( main::@1/main::a#7, main::@4/main::a#6 )
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main::c#0 = 0
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to:main::@3
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main::@3: scope:[main] from main::@2 main::@6
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main::b#2 = phi( main::@2/main::b#4, main::@6/main::b#5 )
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main::a#2 = phi( main::@2/main::a#4, main::@6/main::a#5 )
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main::c#2 = phi( main::@2/main::c#0, main::@6/main::c#1 )
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main::$0 = main::c#2 + main::a#2
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main::ca#0 = main::$0
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print::b#0 = main::b#2
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print::ca#0 = main::ca#0
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call print
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to:main::@6
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main::@6: scope:[main] from main::@3
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main::b#5 = phi( main::@3/main::b#2 )
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main::a#5 = phi( main::@3/main::a#2 )
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main::c#3 = phi( main::@3/main::c#2 )
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main::c#1 = main::c#3 + rangenext(0,$64)
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main::$2 = main::c#1 != rangelast(0,$64)
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if(main::$2) goto main::@3
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to:main::@4
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main::@4: scope:[main] from main::@6
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main::a#6 = phi( main::@6/main::a#5 )
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main::b#3 = phi( main::@6/main::b#5 )
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main::b#1 = main::b#3 + rangenext(0,$64)
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main::$3 = main::b#1 != rangelast(0,$64)
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if(main::$3) goto main::@2
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to:main::@5
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main::@5: scope:[main] from main::@4
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main::a#3 = phi( main::@4/main::a#6 )
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main::a#1 = main::a#3 + rangenext(0,$64)
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main::$4 = main::a#1 != rangelast(0,$64)
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if(main::$4) goto main::@1
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to:main::@return
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main::@return: scope:[main] from main::@5
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return
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to:@return
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void print(byte print::b , byte print::ca)
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print: scope:[print] from main::@3
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print::b#1 = phi( main::@3/print::b#0 )
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print::ca#1 = phi( main::@3/print::ca#0 )
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SCREEN[print::b#1] = print::ca#1
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to:print::@return
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print::@return: scope:[print] from print
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return
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to:@return
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void __start()
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__start: scope:[__start] from
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call main
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to:__start::@1
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__start::@1: scope:[__start] from __start
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to:__start::@return
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__start::@return: scope:[__start] from __start::@1
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return
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to:@return
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SYMBOL TABLE SSA
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constant byte* const SCREEN = (byte*)$400
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void __start()
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void main()
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byte~ main::$0
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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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byte main::a
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byte main::a#0
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byte main::a#1
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byte main::a#2
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byte main::a#3
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byte main::a#4
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byte main::a#5
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byte main::a#6
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byte main::a#7
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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::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::ca
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byte main::ca#0
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void print(byte print::b , byte print::ca)
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byte print::b
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byte print::b#0
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byte print::b#1
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byte print::ca
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byte print::ca#0
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byte print::ca#1
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Simplifying constant pointer cast (byte*) 1024
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Successful SSA optimization PassNCastSimplification
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Alias main::ca#0 = main::$0
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Alias main::c#2 = main::c#3
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Alias main::a#2 = main::a#5 main::a#6 main::a#3
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Alias main::b#2 = main::b#5 main::b#3
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Successful SSA optimization Pass2AliasElimination
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Identical Phi Values main::a#2 main::a#4
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Identical Phi Values main::b#2 main::b#4
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Identical Phi Values print::ca#1 print::ca#0
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Identical Phi Values print::b#1 print::b#0
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Successful SSA optimization Pass2IdenticalPhiElimination
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Identical Phi Values main::a#4 main::a#7
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Successful SSA optimization Pass2IdenticalPhiElimination
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Simple Condition main::$2 [12] if(main::c#1!=rangelast(0,$64)) goto main::@3
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Simple Condition main::$3 [15] if(main::b#1!=rangelast(0,$64)) goto main::@2
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Simple Condition main::$4 [18] if(main::a#1!=rangelast(0,$64)) goto main::@1
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Successful SSA optimization Pass2ConditionalJumpSimplification
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Constant main::a#0 = 0
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Constant main::b#0 = 0
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Constant main::c#0 = 0
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Successful SSA optimization Pass2ConstantIdentification
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Resolved ranged next value [10] main::c#1 = ++ main::c#2 to ++
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Resolved ranged comparison value [12] if(main::c#1!=rangelast(0,$64)) goto main::@3 to $65
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Resolved ranged next value [13] main::b#1 = ++ main::b#4 to ++
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Resolved ranged comparison value [15] if(main::b#1!=rangelast(0,$64)) goto main::@2 to $65
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Resolved ranged next value [16] main::a#1 = ++ main::a#7 to ++
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Resolved ranged comparison value [18] if(main::a#1!=rangelast(0,$64)) goto main::@1 to $65
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Removing unused procedure __start
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Removing unused procedure block __start
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Removing unused procedure block __start::@1
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Removing unused procedure block __start::@return
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Successful SSA optimization PassNEliminateEmptyStart
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Adding number conversion cast (unumber) $65 in [8] if(main::c#1!=$65) goto main::@3
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Adding number conversion cast (unumber) $65 in [10] if(main::b#1!=$65) goto main::@2
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Adding number conversion cast (unumber) $65 in [12] if(main::a#1!=$65) goto main::@1
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Successful SSA optimization PassNAddNumberTypeConversions
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Simplifying constant integer cast $65
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Simplifying constant integer cast $65
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Simplifying constant integer cast $65
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Successful SSA optimization PassNCastSimplification
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Finalized unsigned number type (byte) $65
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Finalized unsigned number type (byte) $65
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Finalized unsigned number type (byte) $65
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Successful SSA optimization PassNFinalizeNumberTypeConversions
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Inlining constant with var siblings main::a#0
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Inlining constant with var siblings main::b#0
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Inlining constant with var siblings main::c#0
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Constant inlined main::a#0 = 0
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Constant inlined main::c#0 = 0
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Constant inlined main::b#0 = 0
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Successful SSA optimization Pass2ConstantInlining
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Added new block during phi lifting main::@7(between main::@5 and main::@1)
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Added new block during phi lifting main::@8(between main::@4 and main::@2)
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Added new block during phi lifting main::@9(between main::@6 and main::@3)
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Adding NOP phi() at start of main
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CALL GRAPH
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Calls in [main] to print:7
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Created 3 initial phi equivalence classes
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Coalesced [15] main::a#8 = main::a#1
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Coalesced [16] main::b#6 = main::b#1
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Coalesced [17] main::c#4 = main::c#1
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Coalesced down to 3 phi equivalence classes
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Culled Empty Block label main::@7
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Culled Empty Block label main::@8
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Culled Empty Block label main::@9
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Adding NOP phi() at start of main
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FINAL CONTROL FLOW GRAPH
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void main()
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main: scope:[main] from
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[0] phi()
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to:main::@1
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main::@1: scope:[main] from main main::@5
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[1] main::a#7 = phi( main/0, main::@5/main::a#1 )
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to:main::@2
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main::@2: scope:[main] from main::@1 main::@4
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[2] main::b#4 = phi( main::@1/0, main::@4/main::b#1 )
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to:main::@3
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main::@3: scope:[main] from main::@2 main::@6
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[3] main::c#2 = phi( main::@2/0, main::@6/main::c#1 )
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[4] main::ca#0 = main::c#2 + main::a#7
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[5] print::b#0 = main::b#4
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[6] print::ca#0 = main::ca#0
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[7] call print
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to:main::@6
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main::@6: scope:[main] from main::@3
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[8] main::c#1 = ++ main::c#2
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[9] if(main::c#1!=$65) goto main::@3
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to:main::@4
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main::@4: scope:[main] from main::@6
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[10] main::b#1 = ++ main::b#4
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[11] if(main::b#1!=$65) goto main::@2
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to:main::@5
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main::@5: scope:[main] from main::@4
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[12] main::a#1 = ++ main::a#7
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[13] if(main::a#1!=$65) goto main::@1
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to:main::@return
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main::@return: scope:[main] from main::@5
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[14] return
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to:@return
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void print(byte print::b , byte print::ca)
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print: scope:[print] from main::@3
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[15] SCREEN[print::b#0] = print::ca#0
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to:print::@return
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print::@return: scope:[print] from print
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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::a
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byte main::a#1 16.5
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byte main::a#7 93.0
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byte main::b
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byte main::b#1 151.5
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byte main::b#4 150.375
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byte main::c
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byte main::c#1 1501.5
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byte main::c#2 600.5999999999999
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byte main::ca
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byte main::ca#0 1001.0
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void print(byte print::b , byte print::ca)
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byte print::b
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byte print::b#0 5501.0
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byte print::ca
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byte print::ca#0 11002.0
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Initial phi equivalence classes
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[ main::a#7 main::a#1 ]
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[ main::b#4 main::b#1 ]
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[ main::c#2 main::c#1 ]
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Added variable main::ca#0 to live range equivalence class [ main::ca#0 ]
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Added variable print::b#0 to live range equivalence class [ print::b#0 ]
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Added variable print::ca#0 to live range equivalence class [ print::ca#0 ]
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Complete equivalence classes
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[ main::a#7 main::a#1 ]
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[ main::b#4 main::b#1 ]
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[ main::c#2 main::c#1 ]
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[ main::ca#0 ]
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[ print::b#0 ]
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[ print::ca#0 ]
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Allocated zp[1]:2 [ main::a#7 main::a#1 ]
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Allocated zp[1]:3 [ main::b#4 main::b#1 ]
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Allocated zp[1]:4 [ main::c#2 main::c#1 ]
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Allocated zp[1]:5 [ main::ca#0 ]
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Allocated zp[1]:6 [ print::b#0 ]
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Allocated zp[1]:7 [ print::ca#0 ]
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REGISTER UPLIFT POTENTIAL REGISTERS
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Statement [4] main::ca#0 = main::c#2 + main::a#7 [ main::a#7 main::b#4 main::c#2 main::ca#0 ] ( [ main::a#7 main::b#4 main::c#2 main::ca#0 ] { { print::b#0 = main::b#4 } { print::ca#0 = main::ca#0 } } ) always clobbers reg byte a
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Removing always clobbered register reg byte a as potential for zp[1]:2 [ main::a#7 main::a#1 ]
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Removing always clobbered register reg byte a as potential for zp[1]:3 [ main::b#4 main::b#1 ]
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Removing always clobbered register reg byte a as potential for zp[1]:4 [ main::c#2 main::c#1 ]
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Statement [4] main::ca#0 = main::c#2 + main::a#7 [ main::a#7 main::b#4 main::c#2 main::ca#0 ] ( [ main::a#7 main::b#4 main::c#2 main::ca#0 ] { { print::b#0 = main::b#4 } { print::ca#0 = main::ca#0 } } ) always clobbers reg byte a
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Potential registers zp[1]:2 [ main::a#7 main::a#1 ] : zp[1]:2 , reg byte x , reg byte y ,
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Potential registers zp[1]:3 [ main::b#4 main::b#1 ] : zp[1]:3 , reg byte x , reg byte y ,
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Potential registers zp[1]:4 [ main::c#2 main::c#1 ] : zp[1]:4 , reg byte x , reg byte y ,
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Potential registers zp[1]:5 [ main::ca#0 ] : zp[1]:5 , reg byte a , reg byte x , reg byte y ,
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Potential registers zp[1]:6 [ print::b#0 ] : zp[1]:6 , reg byte a , reg byte x , reg byte y ,
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Potential registers zp[1]:7 [ print::ca#0 ] : zp[1]:7 , reg byte a , reg byte x , reg byte y ,
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REGISTER UPLIFT SCOPES
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Uplift Scope [print] 11,002: zp[1]:7 [ print::ca#0 ] 5,501: zp[1]:6 [ print::b#0 ]
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Uplift Scope [main] 2,102.1: zp[1]:4 [ main::c#2 main::c#1 ] 1,001: zp[1]:5 [ main::ca#0 ] 301.88: zp[1]:3 [ main::b#4 main::b#1 ] 109.5: zp[1]:2 [ main::a#7 main::a#1 ]
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Uplift Scope []
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Uplifting [print] best 55435 combination reg byte a [ print::ca#0 ] reg byte x [ print::b#0 ]
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Uplifting [main] best 35535 combination reg byte y [ main::c#2 main::c#1 ] reg byte a [ main::ca#0 ] reg byte x [ main::b#4 main::b#1 ] zp[1]:2 [ main::a#7 main::a#1 ]
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Limited combination testing to 100 combinations of 108 possible.
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Uplifting [] best 35535 combination
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Attempting to uplift remaining variables inzp[1]:2 [ main::a#7 main::a#1 ]
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Uplifting [main] best 35535 combination zp[1]:2 [ main::a#7 main::a#1 ]
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ASSEMBLER BEFORE OPTIMIZATION
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// File Comments
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// Test effective live range and register allocation
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// main::b and main::c should be allocated to hardware registers
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// Upstart
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// Commodore 64 PRG executable file
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.file [name="liverange-2.prg", type="prg", segments="Program"]
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.segmentdef Program [segments="Basic, Code, Data"]
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.segmentdef Basic [start=$0801]
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.segmentdef Code [start=$80d]
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.segmentdef Data [startAfter="Code"]
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.segment Basic
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:BasicUpstart(main)
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// Global Constants & labels
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.label SCREEN = $400
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.segment Code
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// main
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main: {
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.label a = 2
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// [1] phi from main to main::@1 [phi:main->main::@1]
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__b1_from_main:
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// [1] phi main::a#7 = 0 [phi:main->main::@1#0] -- vbuz1=vbuc1
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lda #0
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sta.z a
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jmp __b1
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// [1] phi from main::@5 to main::@1 [phi:main::@5->main::@1]
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__b1_from___b5:
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// [1] phi main::a#7 = main::a#1 [phi:main::@5->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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// [2] phi from main::@1 to main::@2 [phi:main::@1->main::@2]
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__b2_from___b1:
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// [2] phi main::b#4 = 0 [phi:main::@1->main::@2#0] -- vbuxx=vbuc1
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ldx #0
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jmp __b2
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// [2] phi from main::@4 to main::@2 [phi:main::@4->main::@2]
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__b2_from___b4:
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// [2] phi main::b#4 = main::b#1 [phi: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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// [3] phi from main::@2 to main::@3 [phi:main::@2->main::@3]
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__b3_from___b2:
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// [3] phi main::c#2 = 0 [phi:main::@2->main::@3#0] -- vbuyy=vbuc1
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ldy #0
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jmp __b3
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// [3] phi from main::@6 to main::@3 [phi:main::@6->main::@3]
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__b3_from___b6:
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// [3] phi main::c#2 = main::c#1 [phi:main::@6->main::@3#0] -- register_copy
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jmp __b3
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// main::@3
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__b3:
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// [4] main::ca#0 = main::c#2 + main::a#7 -- vbuaa=vbuyy_plus_vbuz1
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tya
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clc
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adc.z a
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// [5] print::b#0 = main::b#4
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// [6] print::ca#0 = main::ca#0
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// [7] call print
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jsr print
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jmp __b6
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// main::@6
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__b6:
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// [8] main::c#1 = ++ main::c#2 -- vbuyy=_inc_vbuyy
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iny
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// [9] if(main::c#1!=$65) goto main::@3 -- vbuyy_neq_vbuc1_then_la1
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cpy #$65
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bne __b3_from___b6
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jmp __b4
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// main::@4
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__b4:
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// [10] main::b#1 = ++ main::b#4 -- vbuxx=_inc_vbuxx
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inx
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// [11] if(main::b#1!=$65) goto main::@2 -- vbuxx_neq_vbuc1_then_la1
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cpx #$65
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bne __b2_from___b4
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jmp __b5
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// main::@5
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__b5:
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// [12] main::a#1 = ++ main::a#7 -- vbuz1=_inc_vbuz1
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inc.z a
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// [13] if(main::a#1!=$65) goto main::@1 -- vbuz1_neq_vbuc1_then_la1
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lda #$65
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cmp.z a
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bne __b1_from___b5
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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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// print
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// print(byte register(X) b, byte register(A) ca)
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print: {
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// [15] SCREEN[print::b#0] = print::ca#0 -- pbuc1_derefidx_vbuxx=vbuaa
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sta SCREEN,x
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jmp __breturn
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// print::@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 __b2
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Removing instruction jmp __b3
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Removing instruction jmp __b6
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Removing instruction jmp __b4
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Removing instruction jmp __b5
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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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Replacing label __b3_from___b6 with __b3
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Replacing label __b2_from___b4 with __b2
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Replacing label __b1_from___b5 with __b1
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Removing instruction __b1_from___b5:
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Removing instruction __b2_from___b1:
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Removing instruction __b2_from___b4:
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Removing instruction __b3_from___b2:
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Removing instruction __b3_from___b6:
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Succesful ASM optimization Pass5RedundantLabelElimination
|
|
Removing instruction __b1_from_main:
|
|
Removing instruction __b6:
|
|
Removing instruction __b4:
|
|
Removing instruction __b5:
|
|
Removing instruction __breturn:
|
|
Removing instruction __breturn:
|
|
Succesful ASM optimization Pass5UnusedLabelElimination
|
|
Removing instruction jmp __b1
|
|
Removing instruction jmp __b2
|
|
Removing instruction jmp __b3
|
|
Succesful ASM optimization Pass5NextJumpElimination
|
|
|
|
FINAL SYMBOL TABLE
|
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constant byte* const SCREEN = (byte*) 1024
|
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void main()
|
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byte main::a
|
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byte main::a#1 a zp[1]:2 16.5
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byte main::a#7 a zp[1]:2 93.0
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|
byte main::b
|
|
byte main::b#1 reg byte x 151.5
|
|
byte main::b#4 reg byte x 150.375
|
|
byte main::c
|
|
byte main::c#1 reg byte y 1501.5
|
|
byte main::c#2 reg byte y 600.5999999999999
|
|
byte main::ca
|
|
byte main::ca#0 reg byte a 1001.0
|
|
void print(byte print::b , byte print::ca)
|
|
byte print::b
|
|
byte print::b#0 reg byte x 5501.0
|
|
byte print::ca
|
|
byte print::ca#0 reg byte a 11002.0
|
|
|
|
zp[1]:2 [ main::a#7 main::a#1 ]
|
|
reg byte x [ main::b#4 main::b#1 ]
|
|
reg byte y [ main::c#2 main::c#1 ]
|
|
reg byte a [ main::ca#0 ]
|
|
reg byte x [ print::b#0 ]
|
|
reg byte a [ print::ca#0 ]
|
|
|
|
|
|
FINAL ASSEMBLER
|
|
Score: 22542
|
|
|
|
// File Comments
|
|
// Test effective live range and register allocation
|
|
// main::b and main::c should be allocated to hardware registers
|
|
// Upstart
|
|
// Commodore 64 PRG executable file
|
|
.file [name="liverange-2.prg", type="prg", segments="Program"]
|
|
.segmentdef Program [segments="Basic, Code, Data"]
|
|
.segmentdef Basic [start=$0801]
|
|
.segmentdef Code [start=$80d]
|
|
.segmentdef Data [startAfter="Code"]
|
|
.segment Basic
|
|
:BasicUpstart(main)
|
|
// Global Constants & labels
|
|
.label SCREEN = $400
|
|
.segment Code
|
|
// main
|
|
main: {
|
|
.label a = 2
|
|
// [1] phi from main to main::@1 [phi:main->main::@1]
|
|
// [1] phi main::a#7 = 0 [phi:main->main::@1#0] -- vbuz1=vbuc1
|
|
lda #0
|
|
sta.z a
|
|
// [1] phi from main::@5 to main::@1 [phi:main::@5->main::@1]
|
|
// [1] phi main::a#7 = main::a#1 [phi:main::@5->main::@1#0] -- register_copy
|
|
// main::@1
|
|
__b1:
|
|
// [2] phi from main::@1 to main::@2 [phi:main::@1->main::@2]
|
|
// [2] phi main::b#4 = 0 [phi:main::@1->main::@2#0] -- vbuxx=vbuc1
|
|
ldx #0
|
|
// [2] phi from main::@4 to main::@2 [phi:main::@4->main::@2]
|
|
// [2] phi main::b#4 = main::b#1 [phi:main::@4->main::@2#0] -- register_copy
|
|
// main::@2
|
|
__b2:
|
|
// [3] phi from main::@2 to main::@3 [phi:main::@2->main::@3]
|
|
// [3] phi main::c#2 = 0 [phi:main::@2->main::@3#0] -- vbuyy=vbuc1
|
|
ldy #0
|
|
// [3] phi from main::@6 to main::@3 [phi:main::@6->main::@3]
|
|
// [3] phi main::c#2 = main::c#1 [phi:main::@6->main::@3#0] -- register_copy
|
|
// main::@3
|
|
__b3:
|
|
// char ca = c+a
|
|
// [4] main::ca#0 = main::c#2 + main::a#7 -- vbuaa=vbuyy_plus_vbuz1
|
|
tya
|
|
clc
|
|
adc.z a
|
|
// print(b, ca)
|
|
// [5] print::b#0 = main::b#4
|
|
// [6] print::ca#0 = main::ca#0
|
|
// [7] call print
|
|
jsr print
|
|
// main::@6
|
|
// for( char c: 0..100 )
|
|
// [8] main::c#1 = ++ main::c#2 -- vbuyy=_inc_vbuyy
|
|
iny
|
|
// [9] if(main::c#1!=$65) goto main::@3 -- vbuyy_neq_vbuc1_then_la1
|
|
cpy #$65
|
|
bne __b3
|
|
// main::@4
|
|
// for( char b: 0..100 )
|
|
// [10] main::b#1 = ++ main::b#4 -- vbuxx=_inc_vbuxx
|
|
inx
|
|
// [11] if(main::b#1!=$65) goto main::@2 -- vbuxx_neq_vbuc1_then_la1
|
|
cpx #$65
|
|
bne __b2
|
|
// main::@5
|
|
// for(char a: 0..100 )
|
|
// [12] main::a#1 = ++ main::a#7 -- vbuz1=_inc_vbuz1
|
|
inc.z a
|
|
// [13] if(main::a#1!=$65) goto main::@1 -- vbuz1_neq_vbuc1_then_la1
|
|
lda #$65
|
|
cmp.z a
|
|
bne __b1
|
|
// main::@return
|
|
// }
|
|
// [14] return
|
|
rts
|
|
}
|
|
// print
|
|
// print(byte register(X) b, byte register(A) ca)
|
|
print: {
|
|
// SCREEN[b] = ca
|
|
// [15] SCREEN[print::b#0] = print::ca#0 -- pbuc1_derefidx_vbuxx=vbuaa
|
|
sta SCREEN,x
|
|
// print::@return
|
|
// }
|
|
// [16] return
|
|
rts
|
|
}
|
|
// File Data
|
|
|