mirror of
https://gitlab.com/camelot/kickc.git
synced 2024-09-29 03:56:15 +00:00
329 lines
9.6 KiB
Plaintext
329 lines
9.6 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::i = 0
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to:main::@1
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main::@1: scope:[main] from main main::@2
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sub1::i#0 = main::i
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call sub1
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sub1::return#0 = sub1::return#2
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to:main::@2
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main::@2: scope:[main] from main::@1
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sub1::return#3 = phi( main::@1/sub1::return#0 )
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main::$0 = sub1::return#3
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main::SCREEN[main::i] = main::$0
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main::i = main::i + rangenext(0,2)
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main::$1 = main::i != rangelast(0,2)
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if(main::$1) goto main::@1
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to:main::@return
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main::@return: scope:[main] from main::@2
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return
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to:@return
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char sub1(char i)
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sub1: scope:[sub1] from main::@1
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sub1::i#1 = phi( main::@1/sub1::i#0 )
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sub1::$0 = sub1::i#1 + sub1::i#1
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sub1::return#1 = sub1::$0
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to:sub1::@return
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sub1::@return: scope:[sub1] from sub1
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sub1::return#4 = phi( sub1/sub1::return#1 )
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sub1::return#2 = sub1::return#4
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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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void __start()
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void main()
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char main::$0
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bool main::$1
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__constant char * const main::SCREEN = (char *)$400
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__loadstore volatile char main::i
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char sub1(char i)
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char sub1::$0
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char sub1::i
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char sub1::i#0
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char sub1::i#1
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char sub1::return
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char sub1::return#0
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char sub1::return#1
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char sub1::return#2
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char sub1::return#3
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char sub1::return#4
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Simplifying constant pointer cast (char *) 1024
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Successful SSA optimization PassNCastSimplification
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Alias sub1::return#0 = sub1::return#3
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Alias sub1::return#1 = sub1::$0 sub1::return#4 sub1::return#2
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Successful SSA optimization Pass2AliasElimination
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Identical Phi Values sub1::i#1 sub1::i#0
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Successful SSA optimization Pass2IdenticalPhiElimination
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Simple Condition main::$1 [8] if(main::i!=rangelast(0,2)) goto main::@1
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Successful SSA optimization Pass2ConditionalJumpSimplification
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Resolved ranged next value [6] main::i = ++ main::i to ++
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Resolved ranged comparison value [8] if(main::i!=rangelast(0,2)) goto main::@1 to 3
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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) 3 in [7] if(main::i!=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 (char) 3
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Successful SSA optimization PassNFinalizeNumberTypeConversions
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CALL GRAPH
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Calls in [main] to sub1:2
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Created 0 initial phi equivalence classes
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Coalesced down to 0 phi equivalence classes
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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] main::i = 0
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to:main::@1
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main::@1: scope:[main] from main main::@2
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[1] sub1::i#0 = main::i
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[2] call sub1
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[3] sub1::return#0 = sub1::return#1
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to:main::@2
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main::@2: scope:[main] from main::@1
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[4] main::$0 = sub1::return#0
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[5] main::SCREEN[main::i] = main::$0
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[6] main::i = ++ main::i
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[7] if(main::i!=3) goto main::@1
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to:main::@return
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main::@return: scope:[main] from main::@2
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[8] return
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to:@return
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char sub1(char i)
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sub1: scope:[sub1] from main::@1
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[9] sub1::return#1 = sub1::i#0 + sub1::i#0
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to:sub1::@return
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sub1::@return: scope:[sub1] from sub1
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[10] return
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to:@return
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VARIABLE REGISTER WEIGHTS
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void main()
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char main::$0 // 22.0
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__loadstore volatile char main::i // 7.125
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char sub1(char i)
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char sub1::i
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char sub1::i#0 // 213.0
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char sub1::return
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char sub1::return#0 // 22.0
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char sub1::return#1 // 37.33333333333333
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Initial phi equivalence classes
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Added variable main::i to live range equivalence class [ main::i ]
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Added variable sub1::i#0 to live range equivalence class [ sub1::i#0 ]
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Added variable sub1::return#0 to live range equivalence class [ sub1::return#0 ]
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Added variable main::$0 to live range equivalence class [ main::$0 ]
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Added variable sub1::return#1 to live range equivalence class [ sub1::return#1 ]
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Complete equivalence classes
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[ main::i ]
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[ sub1::i#0 ]
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[ sub1::return#0 ]
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[ main::$0 ]
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[ sub1::return#1 ]
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Allocated zp[1]:129 [ sub1::i#0 ]
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Allocated zp[1]:130 [ sub1::return#1 ]
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Allocated zp[1]:131 [ sub1::return#0 ]
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Allocated zp[1]:132 [ main::$0 ]
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Allocated zp[1]:133 [ main::i ]
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REGISTER UPLIFT POTENTIAL REGISTERS
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Statement [0] main::i = 0 [ main::i ] ( [ main::i ] { } ) always clobbers reg byte a
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Statement [5] main::SCREEN[main::i] = main::$0 [ main::i ] ( [ main::i ] { } ) always clobbers reg byte y
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Statement [7] if(main::i!=3) goto main::@1 [ main::i ] ( [ main::i ] { } ) always clobbers reg byte a
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Statement [9] sub1::return#1 = sub1::i#0 + sub1::i#0 [ sub1::return#1 ] ( sub1:2 [ main::i sub1::return#1 ] { { sub1::i#0 = main::i } { sub1::return#0 = sub1::return#1 } } ) always clobbers reg byte a
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Potential registers zp[1]:133 [ main::i ] : zp[1]:133 ,
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Potential registers zp[1]:129 [ sub1::i#0 ] : zp[1]:129 , reg byte a , reg byte x , reg byte y ,
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Potential registers zp[1]:131 [ sub1::return#0 ] : zp[1]:131 , reg byte a , reg byte x , reg byte y ,
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Potential registers zp[1]:132 [ main::$0 ] : zp[1]:132 , reg byte a , reg byte x , reg byte y ,
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Potential registers zp[1]:130 [ sub1::return#1 ] : zp[1]:130 , reg byte a , reg byte x , reg byte y ,
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REGISTER UPLIFT SCOPES
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Uplift Scope [sub1] 213: zp[1]:129 [ sub1::i#0 ] 37.33: zp[1]:130 [ sub1::return#1 ] 22: zp[1]:131 [ sub1::return#0 ]
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Uplift Scope [main] 22: zp[1]:132 [ main::$0 ] 7.12: zp[1]:133 [ main::i ]
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Uplift Scope []
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Uplifting [sub1] best 440 combination reg byte a [ sub1::i#0 ] reg byte a [ sub1::return#1 ] reg byte a [ sub1::return#0 ]
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Uplifting [main] best 380 combination reg byte a [ main::$0 ] zp[1]:133 [ main::i ]
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Uplifting [] best 380 combination
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Attempting to uplift remaining variables inzp[1]:133 [ main::i ]
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Uplifting [main] best 380 combination zp[1]:133 [ main::i ]
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Allocated (was zp[1]:133) zp[1]:129 [ main::i ]
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ASSEMBLER BEFORE OPTIMIZATION
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// File Comments
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// Demonstrates global directive reserving a range of addresses on zeropage
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// Upstart
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// Commodore 64 PRG executable file
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.file [name="reserve-zp-global-range.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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.segment Code
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// main
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main: {
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.label SCREEN = $400
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.label i = $81
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// [0] main::i = 0 -- vbuz1=vbuc1
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lda #0
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sta.z i
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jmp __b1
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// main::@1
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__b1:
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// [1] sub1::i#0 = main::i -- vbuaa=vbuz1
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lda.z i
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// [2] call sub1
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jsr sub1
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// [3] sub1::return#0 = sub1::return#1
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jmp __b2
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// main::@2
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__b2:
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// [4] main::$0 = sub1::return#0
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// [5] main::SCREEN[main::i] = main::$0 -- pbuc1_derefidx_vbuz1=vbuaa
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ldy.z i
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sta SCREEN,y
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// [6] main::i = ++ main::i -- vbuz1=_inc_vbuz1
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inc.z i
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// [7] if(main::i!=3) goto main::@1 -- vbuz1_neq_vbuc1_then_la1
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lda #3
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cmp.z i
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bne __b1
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jmp __breturn
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// main::@return
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__breturn:
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// [8] return
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rts
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}
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// sub1
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// __register(A) char sub1(__register(A) char i)
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sub1: {
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// [9] sub1::return#1 = sub1::i#0 + sub1::i#0 -- vbuaa=vbuaa_plus_vbuaa
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asl
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jmp __breturn
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// sub1::@return
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__breturn:
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// [10] 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 __breturn
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Removing instruction jmp __breturn
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Succesful ASM optimization Pass5NextJumpElimination
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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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FINAL SYMBOL TABLE
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void main()
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char main::$0 // reg byte a 22.0
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__constant char * const main::SCREEN = (char *) 1024
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__loadstore volatile char main::i // zp[1]:129 7.125
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char sub1(char i)
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char sub1::i
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char sub1::i#0 // reg byte a 213.0
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char sub1::return
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char sub1::return#0 // reg byte a 22.0
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char sub1::return#1 // reg byte a 37.33333333333333
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zp[1]:129 [ main::i ]
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reg byte a [ sub1::i#0 ]
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reg byte a [ sub1::return#0 ]
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reg byte a [ main::$0 ]
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reg byte a [ sub1::return#1 ]
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FINAL ASSEMBLER
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Score: 314
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// File Comments
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// Demonstrates global directive reserving a range of addresses on zeropage
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// Upstart
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// Commodore 64 PRG executable file
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.file [name="reserve-zp-global-range.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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.segment Code
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// main
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main: {
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.label SCREEN = $400
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.label i = $81
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// for( volatile byte i : 0..2)
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// [0] main::i = 0 -- vbuz1=vbuc1
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lda #0
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sta.z i
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// main::@1
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__b1:
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// sub1(i)
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// [1] sub1::i#0 = main::i -- vbuaa=vbuz1
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lda.z i
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// [2] call sub1
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jsr sub1
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// [3] sub1::return#0 = sub1::return#1
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// main::@2
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// [4] main::$0 = sub1::return#0
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// SCREEN[i] = sub1(i)
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// [5] main::SCREEN[main::i] = main::$0 -- pbuc1_derefidx_vbuz1=vbuaa
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ldy.z i
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sta SCREEN,y
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// for( volatile byte i : 0..2)
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// [6] main::i = ++ main::i -- vbuz1=_inc_vbuz1
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inc.z i
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// [7] if(main::i!=3) goto main::@1 -- vbuz1_neq_vbuc1_then_la1
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lda #3
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cmp.z i
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bne __b1
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// main::@return
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// }
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// [8] return
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rts
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}
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// sub1
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// __register(A) char sub1(__register(A) char i)
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sub1: {
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// i+i
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// [9] sub1::return#1 = sub1::i#0 + sub1::i#0 -- vbuaa=vbuaa_plus_vbuaa
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asl
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// sub1::@return
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// }
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// [10] return
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rts
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}
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// File Data
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