mirror of
https://gitlab.com/camelot/kickc.git
synced 2024-10-02 22:56:11 +00:00
307 lines
8.2 KiB
Plaintext
307 lines
8.2 KiB
Plaintext
Culled Empty Block (label) main::@1
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CONTROL FLOW GRAPH SSA
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@begin: scope:[] from
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(byte[]) strTemp ← (const string) $0
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to:@1
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(signed word()) main()
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main: scope:[main] from @1
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*((byte[]) strTemp + (number) 2) ← (byte) 'e'pm
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*((byte[]) strTemp + (number) 3) ← (number) 0
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asm { ldy#0 loop: ldastrTemp,y beqdone jsr$FFD2 iny jmploop done: }
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(signed word) main::return#0 ← (number) 0
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to:main::@return
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main::@return: scope:[main] from main
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(signed word) main::return#3 ← phi( main/(signed word) main::return#0 )
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(signed word) main::return#1 ← (signed word) main::return#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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(signed word) main::return#2 ← (signed word) main::return#1
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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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(const string) $0 = (string) "v=X"pm
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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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(signed word()) main()
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(label) main::@return
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(signed word) main::return
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(signed word) main::return#0
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(signed word) main::return#1
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(signed word) main::return#2
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(signed word) main::return#3
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(byte[]) strTemp
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Adding number conversion cast (unumber) 2 in *((byte[]) strTemp + (number) 2) ← (byte) 'e'pm
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Adding number conversion cast (unumber) 0 in *((byte[]) strTemp + (number) 3) ← (number) 0
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Adding number conversion cast (unumber) 3 in *((byte[]) strTemp + (number) 3) ← ((unumber)) (number) 0
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Adding number conversion cast (snumber) 0 in (signed word) main::return#0 ← (number) 0
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Successful SSA optimization PassNAddNumberTypeConversions
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Inlining cast *((byte[]) strTemp + (unumber)(number) 3) ← (unumber)(number) 0
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Inlining cast (signed word) main::return#0 ← (snumber)(number) 0
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Successful SSA optimization Pass2InlineCast
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Simplifying constant integer cast 2
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Simplifying constant integer cast 0
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Simplifying constant integer cast 3
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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 (byte) 2
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Finalized unsigned number type (byte) 0
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Finalized unsigned number type (byte) 3
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Finalized signed number type (signed byte) 0
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Successful SSA optimization PassNFinalizeNumberTypeConversions
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Alias (signed word) main::return#0 = (signed word) main::return#3 (signed word) main::return#1
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Successful SSA optimization Pass2AliasElimination
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Constant (const byte[]) strTemp = $0
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Constant (const signed word) main::return#0 = 0
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Successful SSA optimization Pass2ConstantIdentification
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Constant (const signed word) main::return#2 = main::return#0
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Successful SSA optimization Pass2ConstantIdentification
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Eliminating unused constant (const signed word) main::return#2
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Successful SSA optimization PassNEliminateUnusedVars
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Eliminating unused constant (const signed word) main::return#0
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Successful SSA optimization PassNEliminateUnusedVars
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Constant inlined $0 = (const byte[]) strTemp
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Successful SSA optimization Pass2ConstantInlining
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Consolidated array index constant in *(strTemp+2)
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Consolidated array index constant in *(strTemp+3)
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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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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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(signed word()) main()
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main: scope:[main] from @1
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[4] *((const byte[]) strTemp+(byte) 2) ← (byte) 'e'pm
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[5] *((const byte[]) strTemp+(byte) 3) ← (byte) 0
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asm { ldy#0 loop: ldastrTemp,y beqdone jsr$FFD2 iny jmploop done: }
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to:main::@return
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main::@return: scope:[main] from main
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[7] return
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to:@return
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VARIABLE REGISTER WEIGHTS
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(signed word()) main()
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(signed word) main::return
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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 = $80d "Program"
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// Global Constants & labels
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// @begin
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__bbegin:
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// [1] phi from @begin to @1 [phi:@begin->@1]
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__b1_from___bbegin:
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jmp __b1
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// @1
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__b1:
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// [2] call main
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jsr main
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// [3] phi from @1 to @end [phi:@1->@end]
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__bend_from___b1:
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jmp __bend
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// @end
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__bend:
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// main
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main: {
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// [4] *((const byte[]) strTemp+(byte) 2) ← (byte) 'e'pm -- _deref_pbuc1=vbuc2
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.encoding "petscii_mixed"
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lda #'e'
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sta strTemp+2
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// [5] *((const byte[]) strTemp+(byte) 3) ← (byte) 0 -- _deref_pbuc1=vbuc2
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lda #0
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sta strTemp+3
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// asm { ldy#0 loop: ldastrTemp,y beqdone jsr$FFD2 iny jmploop done: }
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ldy #0
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loop:
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lda strTemp,y
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beq done
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jsr $ffd2
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iny
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jmp loop
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done:
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jmp __breturn
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// main::@return
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__breturn:
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// [7] return
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rts
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}
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// File Data
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strTemp: .text "v=X"
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.byte 0
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REGISTER UPLIFT POTENTIAL REGISTERS
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Statement [4] *((const byte[]) strTemp+(byte) 2) ← (byte) 'e'pm [ ] ( main:2 [ ] ) always clobbers reg byte a
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Statement [5] *((const byte[]) strTemp+(byte) 3) ← (byte) 0 [ ] ( main:2 [ ] ) always clobbers reg byte a
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Statement asm { ldy#0 loop: ldastrTemp,y beqdone jsr$FFD2 iny jmploop done: } always clobbers reg byte a reg byte x reg byte y
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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 53 combination
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Uplifting [] best 53 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 = $80d "Program"
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// Global Constants & labels
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// @begin
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__bbegin:
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// [1] phi from @begin to @1 [phi:@begin->@1]
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__b1_from___bbegin:
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jmp __b1
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// @1
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__b1:
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// [2] call main
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jsr main
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// [3] phi from @1 to @end [phi:@1->@end]
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__bend_from___b1:
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jmp __bend
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// @end
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__bend:
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// main
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main: {
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// [4] *((const byte[]) strTemp+(byte) 2) ← (byte) 'e'pm -- _deref_pbuc1=vbuc2
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.encoding "petscii_mixed"
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lda #'e'
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sta strTemp+2
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// [5] *((const byte[]) strTemp+(byte) 3) ← (byte) 0 -- _deref_pbuc1=vbuc2
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lda #0
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sta strTemp+3
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// asm { ldy#0 loop: ldastrTemp,y beqdone jsr$FFD2 iny jmploop done: }
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ldy #0
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loop:
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lda strTemp,y
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beq done
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jsr $ffd2
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iny
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jmp loop
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done:
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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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}
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// File Data
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strTemp: .text "v=X"
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.byte 0
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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 __breturn
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Succesful ASM optimization Pass5NextJumpElimination
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Replacing instruction ldy #0 with TAY
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Replacing label __bbegin with __b1
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Removing instruction __bbegin:
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Removing instruction __b1_from___bbegin:
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Removing instruction __bend_from___b1:
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Removing instruction __breturn:
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Succesful ASM optimization Pass5RedundantLabelElimination
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Removing instruction __bend:
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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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Removing instruction __b1:
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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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(signed word()) main()
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(label) main::@return
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(signed word) main::return
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(const byte[]) strTemp strTemp = (string) "v=X"pm
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FINAL ASSEMBLER
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Score: 38
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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 = $80d "Program"
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// Global Constants & labels
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// @begin
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// [1] phi from @begin to @1 [phi:@begin->@1]
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// @1
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// [2] call main
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// [3] phi from @1 to @end [phi:@1->@end]
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// @end
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// main
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main: {
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// strTemp[2] = 'e'
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// [4] *((const byte[]) strTemp+(byte) 2) ← (byte) 'e'pm -- _deref_pbuc1=vbuc2
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.encoding "petscii_mixed"
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lda #'e'
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sta strTemp+2
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// strTemp[3] = 0
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// [5] *((const byte[]) strTemp+(byte) 3) ← (byte) 0 -- _deref_pbuc1=vbuc2
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lda #0
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sta strTemp+3
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// asm
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// asm { ldy#0 loop: ldastrTemp,y beqdone jsr$FFD2 iny jmploop done: }
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tay
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loop:
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lda strTemp,y
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beq done
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jsr $ffd2
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iny
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jmp loop
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done:
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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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}
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// File Data
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strTemp: .text "v=X"
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.byte 0
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