mirror of
https://gitlab.com/camelot/kickc.git
synced 2024-09-08 17:54:40 +00:00
468 lines
15 KiB
Plaintext
468 lines
15 KiB
Plaintext
Identified constant variable (byte) main::b
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Identified constant variable (byte*) main::pos
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Identified constant variable (byte*) main::bgcol
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Culled Empty Block (label) main::@2
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Culled Empty Block (label) main::@4
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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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main: scope:[main] from @1
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(byte[]) main::bs#0 ← { (byte) 'c', (byte) 'm' }
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(byte) main::b#0 ← (number) 4
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(word) main::w#0 ← ((word)) { (byte) main::b#0, (number) 0 }
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(word~) main::$0 ← ((word)) { (number) 1, (number) 1 }
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(word~) main::$1 ← (word~) main::$0 + (word) main::w#0
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(word~) main::$2 ← ((word)) { (number) 0, (number) 0 }
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(word~) main::$3 ← (word~) main::$1 + (word~) main::$2
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(word) main::w2#0 ← (word~) main::$3
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(byte*) main::sc#0 ← ((byte*)) (word) main::w2#0
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*((byte*) main::sc#0) ← *((byte[]) main::bs#0 + (number) 1)
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(byte*) main::pos#0 ← ((byte*)) (number) $501
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(byte*) main::bgcol#0 ← ((byte*)) (number) $d021
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(bool~) main::$4 ← *((byte*) main::pos#0) == (byte) 'm'
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if((bool~) main::$4) goto main::@1
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to:main::@3
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main::@1: scope:[main] from main
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*((byte*) main::bgcol#0) ← (number) 5
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to:main::@return
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main::@3: scope:[main] from main
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*((byte*) main::bgcol#0) ← (number) 2
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to:main::@return
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main::@return: scope:[main] from main::@1 main::@3
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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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(word~) main::$0
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(word~) main::$1
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(word~) main::$2
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(word~) main::$3
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(bool~) main::$4
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(label) main::@1
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(label) main::@3
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(label) main::@return
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(byte) main::b
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(byte) main::b#0
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(byte*) main::bgcol
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(byte*) main::bgcol#0
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(byte[]) main::bs
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(byte[]) main::bs#0
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(byte*) main::pos
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(byte*) main::pos#0
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(byte*) main::sc
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(byte*) main::sc#0
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(word) main::w
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(word) main::w#0
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(word) main::w2
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(word) main::w2#0
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Fixing inline constructor with main::$5 ← (byte)main::b#0 w= (byte)0
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Fixing inline constructor with main::$6 ← (byte)1 w= (byte)1
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Fixing inline constructor with main::$7 ← (byte)0 w= (byte)0
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Successful SSA optimization Pass2FixInlineConstructors
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Adding number conversion cast (unumber) 4 in (byte) main::b#0 ← (number) 4
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Adding number conversion cast (unumber) 1 in *((byte*) main::sc#0) ← *((byte[]) main::bs#0 + (number) 1)
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Adding number conversion cast (unumber) 5 in *((byte*) main::bgcol#0) ← (number) 5
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Adding number conversion cast (unumber) 2 in *((byte*) main::bgcol#0) ← (number) 2
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Successful SSA optimization PassNAddNumberTypeConversions
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Inlining cast (byte) main::b#0 ← (unumber)(number) 4
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Inlining cast (byte*) main::sc#0 ← (byte*)(word) main::w2#0
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Inlining cast (byte*) main::pos#0 ← (byte*)(number) $501
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Inlining cast (byte*) main::bgcol#0 ← (byte*)(number) $d021
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Inlining cast *((byte*) main::bgcol#0) ← (unumber)(number) 5
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Inlining cast *((byte*) main::bgcol#0) ← (unumber)(number) 2
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Successful SSA optimization Pass2InlineCast
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Simplifying constant integer cast 4
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Simplifying constant integer cast (byte) main::b#0
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Simplifying constant integer cast 0
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Simplifying constant integer cast 1
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Simplifying constant integer cast 1
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Simplifying constant integer cast 0
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Simplifying constant integer cast 0
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Simplifying constant integer cast 1
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Simplifying constant pointer cast (byte*) 1281
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Simplifying constant pointer cast (byte*) 53281
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Simplifying constant integer cast 5
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Simplifying constant integer cast 2
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Successful SSA optimization PassNCastSimplification
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Finalized unsigned number type (byte) 4
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Finalized unsigned number type (byte) 1
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Finalized unsigned number type (byte) 5
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Finalized unsigned number type (byte) 2
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Successful SSA optimization PassNFinalizeNumberTypeConversions
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Alias (word) main::w#0 = (word~) main::$5
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Alias (word~) main::$0 = (word~) main::$6
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Alias (word~) main::$2 = (word~) main::$7
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Alias (word) main::w2#0 = (word~) main::$3
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Successful SSA optimization Pass2AliasElimination
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Simple Condition (bool~) main::$4 [16] if(*((byte*) main::pos#0)==(byte) 'm') goto main::@1
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Successful SSA optimization Pass2ConditionalJumpSimplification
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Constant right-side identified [4] (word~) main::$0 ← (byte) 1 w= (byte) 1
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Constant right-side identified [7] (word~) main::$2 ← (byte) 0 w= (byte) 0
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Successful SSA optimization Pass2ConstantRValueConsolidation
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Identified constant from value list (byte[]) { (byte) 'c', (byte) 'm' }
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Successful SSA optimization Pass2ConstantInitializerValueLists
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Constant (const byte[]) main::bs#0 = { 'c', 'm' }
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Constant (const byte) main::b#0 = 4
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Constant (const byte*) main::pos#0 = (byte*) 1281
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Constant (const byte*) main::bgcol#0 = (byte*) 53281
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Successful SSA optimization Pass2ConstantIdentification
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Simplifying constant evaluating to zero (byte) 0*(number) $100+(byte) 0 in [7] (word~) main::$2 ← (byte) 0*(number) $100+(byte) 0
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Successful SSA optimization PassNSimplifyConstantZero
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Adding number conversion cast (unumber) 1*$100+1 in (word~) main::$0 ← (byte) 1*(number) $100+(byte) 1
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Adding number conversion cast (unumber) 1*$100 in (word~) main::$0 ← ((unumber)) (byte) 1*(number) $100+(byte) 1
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Adding number conversion cast (unumber) $100 in (word~) main::$0 ← ((unumber)) (unumber)(byte) 1*(number) $100+(byte) 1
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Adding number conversion cast (unumber) 0 in (word~) main::$2 ← (number) 0
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Successful SSA optimization PassNAddNumberTypeConversions
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Inlining cast (word~) main::$0 ← (unumber)(unumber)(byte) 1*(unumber)(number) $100+(byte) 1
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Inlining cast (word~) main::$2 ← (unumber)(number) 0
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Successful SSA optimization Pass2InlineCast
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Simplifying constant integer cast (unumber)(byte) 1*(unumber)(number) $100+(byte) 1
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Simplifying constant integer cast (byte) 1*(unumber)(number) $100
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Simplifying constant integer cast $100
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Simplifying constant integer cast 0
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Successful SSA optimization PassNCastSimplification
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Finalized unsigned number type (word) $100
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Finalized unsigned number type (byte) 0
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Successful SSA optimization PassNFinalizeNumberTypeConversions
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Constant right-side identified [0] (word) main::w#0 ← (const byte) main::b#0 w= (byte) 0
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Successful SSA optimization Pass2ConstantRValueConsolidation
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Constant (const word) main::$0 = 1*$100+1
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Constant (const word) main::$2 = 0
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Successful SSA optimization Pass2ConstantIdentification
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Simplifying expression containing zero main::b#0*$100 in [0] (word) main::w#0 ← (const byte) main::b#0*(number) $100+(byte) 0
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Simplifying expression containing zero main::$1 in [4] (word) main::w2#0 ← (word~) main::$1 + (const word) main::$2
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Successful SSA optimization PassNSimplifyExpressionWithZero
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Eliminating unused constant (const word) main::$2
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Successful SSA optimization PassNEliminateUnusedVars
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Adding number conversion cast (unumber) main::b#0*$100 in (word) main::w#0 ← (const byte) main::b#0*(number) $100
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Adding number conversion cast (unumber) $100 in (word) main::w#0 ← ((unumber)) (const byte) main::b#0*(number) $100
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Successful SSA optimization PassNAddNumberTypeConversions
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Inlining cast (word) main::w#0 ← (unumber)(const byte) main::b#0*(unumber)(number) $100
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Successful SSA optimization Pass2InlineCast
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Simplifying constant integer cast (const byte) main::b#0*(unumber)(number) $100
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Simplifying constant integer cast $100
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Successful SSA optimization PassNCastSimplification
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Finalized unsigned number type (word) $100
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Successful SSA optimization PassNFinalizeNumberTypeConversions
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Alias (word) main::w2#0 = (word~) main::$1
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Successful SSA optimization Pass2AliasElimination
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Constant (const word) main::w#0 = main::b#0*$100
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Successful SSA optimization Pass2ConstantIdentification
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Constant right-side identified [0] (word) main::w2#0 ← (const word) main::$0 + (const word) main::w#0
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Successful SSA optimization Pass2ConstantRValueConsolidation
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Constant (const word) main::w2#0 = main::$0+main::w#0
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Successful SSA optimization Pass2ConstantIdentification
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Constant value identified (byte*)main::w2#0 in [1] (byte*) main::sc#0 ← (byte*)(const word) main::w2#0
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Successful SSA optimization Pass2ConstantValues
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Constant (const byte*) main::sc#0 = (byte*)main::w2#0
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Successful SSA optimization Pass2ConstantIdentification
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Constant inlined main::$0 = (byte) 1*(word) $100+(byte) 1
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Successful SSA optimization Pass2ConstantInlining
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Consolidated array index constant in *(main::bs#0+1)
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Successful SSA optimization Pass2ConstantAdditionElimination
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Adding NOP phi() at start of @begin
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Adding NOP phi() at start of @1
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Adding NOP phi() at start of @2
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Adding NOP phi() at start of @end
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CALL GRAPH
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Calls in [] to main: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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Culled Empty Block (label) @2
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Renumbering block main::@3 to main::@2
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Adding NOP phi() at start of @begin
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Adding NOP phi() at start of @1
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Adding NOP phi() at start of @end
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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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main: scope:[main] from @1
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[4] *((const byte*) main::sc#0) ← *((const byte[]) main::bs#0+(byte) 1)
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[5] if(*((const byte*) main::pos#0)==(byte) 'm') goto main::@1
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to:main::@2
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main::@2: scope:[main] from main
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[6] *((const byte*) main::bgcol#0) ← (byte) 2
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to:main::@return
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main::@return: scope:[main] from main::@1 main::@2
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[7] return
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to:@return
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main::@1: scope:[main] from main
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[8] *((const byte*) main::bgcol#0) ← (byte) 5
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to:main::@return
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VARIABLE REGISTER WEIGHTS
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(void()) main()
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(byte) main::b
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(byte*) main::bgcol
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(byte[]) main::bs
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(byte*) main::pos
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(byte*) main::sc
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(word) main::w
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(word) main::w2
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Initial phi equivalence classes
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Complete equivalence classes
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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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// Upstart
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.pc = $801 "Basic"
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:BasicUpstart(bbegin)
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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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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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// constant byte array
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.const b = 4
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// Test the result
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.label pos = $501
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.label bgcol = $d021
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.const w = b*$100
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.const w2 = 1*$100+1+w
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// constant inline words inside expression
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.label sc = w2
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// [4] *((const byte*) main::sc#0) ← *((const byte[]) main::bs#0+(byte) 1) -- _deref_pbuc1=_deref_pbuc2
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// implicit cast to (byte*)
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lda bs+1
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sta sc
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// [5] if(*((const byte*) main::pos#0)==(byte) 'm') goto main::@1 -- _deref_pbuc1_eq_vbuc2_then_la1
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lda #'m'
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cmp pos
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beq b1
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jmp b2
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// main::@2
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b2:
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// [6] *((const byte*) main::bgcol#0) ← (byte) 2 -- _deref_pbuc1=vbuc2
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lda #2
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sta bgcol
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jmp breturn
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// main::@return
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breturn:
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// [7] return
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rts
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// main::@1
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b1:
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// [8] *((const byte*) main::bgcol#0) ← (byte) 5 -- _deref_pbuc1=vbuc2
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lda #5
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sta bgcol
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jmp breturn
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bs: .byte 'c', 'm'
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}
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// File Data
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REGISTER UPLIFT POTENTIAL REGISTERS
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Statement [4] *((const byte*) main::sc#0) ← *((const byte[]) main::bs#0+(byte) 1) [ ] ( main:2 [ ] ) always clobbers reg byte a
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Statement [5] if(*((const byte*) main::pos#0)==(byte) 'm') goto main::@1 [ ] ( main:2 [ ] ) always clobbers reg byte a
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Statement [6] *((const byte*) main::bgcol#0) ← (byte) 2 [ ] ( main:2 [ ] ) always clobbers reg byte a
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Statement [8] *((const byte*) main::bgcol#0) ← (byte) 5 [ ] ( main:2 [ ] ) always clobbers reg byte a
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REGISTER UPLIFT SCOPES
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Uplift Scope [main]
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Uplift Scope []
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Uplifting [main] best 55 combination
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Uplifting [] best 55 combination
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ASSEMBLER BEFORE OPTIMIZATION
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// File Comments
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// Upstart
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.pc = $801 "Basic"
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:BasicUpstart(bbegin)
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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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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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// constant byte array
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.const b = 4
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// Test the result
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.label pos = $501
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.label bgcol = $d021
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.const w = b*$100
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.const w2 = 1*$100+1+w
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// constant inline words inside expression
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.label sc = w2
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// [4] *((const byte*) main::sc#0) ← *((const byte[]) main::bs#0+(byte) 1) -- _deref_pbuc1=_deref_pbuc2
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// implicit cast to (byte*)
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lda bs+1
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sta sc
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// [5] if(*((const byte*) main::pos#0)==(byte) 'm') goto main::@1 -- _deref_pbuc1_eq_vbuc2_then_la1
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lda #'m'
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cmp pos
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beq b1
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jmp b2
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// main::@2
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b2:
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// [6] *((const byte*) main::bgcol#0) ← (byte) 2 -- _deref_pbuc1=vbuc2
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lda #2
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sta bgcol
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jmp breturn
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// main::@return
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breturn:
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// [7] return
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rts
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// main::@1
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b1:
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// [8] *((const byte*) main::bgcol#0) ← (byte) 5 -- _deref_pbuc1=vbuc2
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lda #5
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sta bgcol
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jmp breturn
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bs: .byte 'c', 'm'
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}
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// File Data
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ASSEMBLER OPTIMIZATIONS
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Removing instruction jmp b1
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Removing instruction jmp bend
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Removing instruction jmp b2
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Removing instruction jmp breturn
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Succesful ASM optimization Pass5NextJumpElimination
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Removing instruction b1_from_bbegin:
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Removing instruction b1:
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Removing instruction bend_from_b1:
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Succesful ASM optimization Pass5RedundantLabelElimination
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Removing instruction bend:
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Removing instruction b2:
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Succesful ASM optimization Pass5UnusedLabelElimination
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Updating BasicUpstart to call main directly
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Removing instruction jsr main
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Succesful ASM optimization Pass5SkipBegin
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Replacing jump to rts with rts in jmp breturn
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Succesful ASM optimization Pass5DoubleJumpElimination
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Removing instruction bbegin:
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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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(label) @1
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(label) @begin
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(label) @end
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(void()) main()
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(label) main::@1
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(label) main::@2
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(label) main::@return
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(byte) main::b
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(const byte) main::b#0 b = (byte) 4
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(byte*) main::bgcol
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(const byte*) main::bgcol#0 bgcol = (byte*) 53281
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(byte[]) main::bs
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(const byte[]) main::bs#0 bs = { (byte) 'c', (byte) 'm' }
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(byte*) main::pos
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(const byte*) main::pos#0 pos = (byte*) 1281
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(byte*) main::sc
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(const byte*) main::sc#0 sc = (byte*)(const word) main::w2#0
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(word) main::w
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(const word) main::w#0 w = (const byte) main::b#0*(word) $100
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(word) main::w2
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(const word) main::w2#0 w2 = (byte) 1*(word) $100+(byte) 1+(const word) main::w#0
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FINAL ASSEMBLER
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Score: 40
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// File Comments
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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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// [1] phi from @begin to @1 [phi:@begin->@1]
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// @1
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// [2] call main
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// [3] phi from @1 to @end [phi:@1->@end]
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// @end
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// main
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main: {
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// constant byte array
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.const b = 4
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// Test the result
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.label pos = $501
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.label bgcol = $d021
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.const w = b*$100
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.const w2 = 1*$100+1+w
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// constant inline words inside expression
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.label sc = w2
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// *sc = bs[1]
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// [4] *((const byte*) main::sc#0) ← *((const byte[]) main::bs#0+(byte) 1) -- _deref_pbuc1=_deref_pbuc2
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// implicit cast to (byte*)
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lda bs+1
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sta sc
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// if(*pos=='m')
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// [5] if(*((const byte*) main::pos#0)==(byte) 'm') goto main::@1 -- _deref_pbuc1_eq_vbuc2_then_la1
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lda #'m'
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cmp pos
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beq b1
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// main::@2
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// *bgcol = 2
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// [6] *((const byte*) main::bgcol#0) ← (byte) 2 -- _deref_pbuc1=vbuc2
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|
lda #2
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|
sta bgcol
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// main::@return
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// }
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// [7] return
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rts
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// main::@1
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b1:
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// *bgcol = 5
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// [8] *((const byte*) main::bgcol#0) ← (byte) 5 -- _deref_pbuc1=vbuc2
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|
lda #5
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|
sta bgcol
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|
rts
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|
bs: .byte 'c', 'm'
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|
}
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// File Data
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