mirror of https://gitlab.com/camelot/kickc.git
239 lines
7.1 KiB
Plaintext
239 lines
7.1 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::bscreen#0 = (bool *)$400
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main::bscreen#0[0] = true
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main::bscreen#0[1] = false
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main::$0 = main::bscreen#0 + 2
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main::bscreen#1 = main::$0
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*main::bscreen#1 = true
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main::$1 = ! *main::bscreen#1
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if(main::$1) goto main::@return
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to:main::@1
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main::@1: scope:[main] from main
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main::bscreen#3 = phi( main/main::bscreen#1 )
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main::bscreen#2 = ++ main::bscreen#3
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*main::bscreen#2 = true
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to:main::@return
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main::@return: scope:[main] from main main::@1
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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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bool *main::$0
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bool main::$1
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bool *main::bscreen
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bool *main::bscreen#0
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bool *main::bscreen#1
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bool *main::bscreen#2
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bool *main::bscreen#3
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Adding number conversion cast (unumber) 0 in main::bscreen#0[0] = true
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Adding number conversion cast (unumber) 1 in main::bscreen#0[1] = false
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Adding number conversion cast (unumber) 2 in main::$0 = main::bscreen#0 + 2
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Successful SSA optimization PassNAddNumberTypeConversions
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Simplifying constant pointer cast (bool *) 1024
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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 2
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Successful SSA optimization PassNCastSimplification
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Finalized unsigned number type (char) 0
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Finalized unsigned number type (char) 1
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Finalized unsigned number type (char) 2
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Successful SSA optimization PassNFinalizeNumberTypeConversions
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Alias main::bscreen#1 = main::$0 main::bscreen#3
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Successful SSA optimization Pass2AliasElimination
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Rewriting ! if()-condition to reversed if() [5] main::$1 = ! *main::bscreen#1
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Successful SSA optimization Pass2ConditionalAndOrRewriting
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Constant main::bscreen#0 = (bool *) 1024
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Successful SSA optimization Pass2ConstantIdentification
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Simplifying expression containing zero main::bscreen#0 in [1] main::bscreen#0[0] = true
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Successful SSA optimization PassNSimplifyExpressionWithZero
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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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Constant right-side identified [2] main::bscreen#1 = main::bscreen#0 + 2
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Successful SSA optimization Pass2ConstantRValueConsolidation
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Constant main::bscreen#1 = main::bscreen#0+2
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Successful SSA optimization Pass2ConstantIdentification
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Constant right-side identified [4] main::bscreen#2 = ++ main::bscreen#1
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Successful SSA optimization Pass2ConstantRValueConsolidation
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Constant main::bscreen#2 = ++main::bscreen#1
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Successful SSA optimization Pass2ConstantIdentification
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Inlining constant with different constant siblings main::bscreen#0
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Inlining constant with different constant siblings main::bscreen#1
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Inlining constant with different constant siblings main::bscreen#2
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Constant inlined main::bscreen#0 = (bool *) 1024
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Constant inlined main::bscreen#1 = (bool *) 1024+2
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Constant inlined main::bscreen#2 = ++(bool *) 1024+2
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Successful SSA optimization Pass2ConstantInlining
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Consolidated array index constant in *((bool *) 1024+1)
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Successful SSA optimization Pass2ConstantAdditionElimination
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Simplifying constant integer increment ++(bool *) 1024+2
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Successful SSA optimization Pass2ConstantSimplification
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CALL GRAPH
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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] *((bool *) 1024) = true
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[1] *((bool *) 1024+1) = false
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[2] *((bool *) 1024+2) = true
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[3] if(*((bool *) 1024+2)) goto main::@1
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to:main::@return
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main::@1: scope:[main] from main
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[4] *((bool *) 1024+3) = true
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to:main::@return
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main::@return: scope:[main] from main main::@1
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[5] return
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to:@return
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VARIABLE REGISTER WEIGHTS
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void main()
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bool *main::bscreen
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Initial phi equivalence classes
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Complete equivalence classes
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REGISTER UPLIFT POTENTIAL REGISTERS
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Statement [0] *((bool *) 1024) = true [ ] ( [ ] { } ) always clobbers reg byte a
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Statement [1] *((bool *) 1024+1) = false [ ] ( [ ] { } ) always clobbers reg byte a
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Statement [2] *((bool *) 1024+2) = true [ ] ( [ ] { } ) always clobbers reg byte a
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Statement [3] if(*((bool *) 1024+2)) goto main::@1 [ ] ( [ ] { } ) always clobbers reg byte a
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Statement [4] *((bool *) 1024+3) = true [ ] ( [ ] { } ) 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 44 combination
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Uplifting [] best 44 combination
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ASSEMBLER BEFORE OPTIMIZATION
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// File Comments
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// Tests a pointer to a boolean
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// Upstart
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// Commodore 64 PRG executable file
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.file [name="bool-pointer.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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// [0] *((bool *) 1024) = true -- _deref_pboc1=vboc2
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lda #1
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sta $400
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// [1] *((bool *) 1024+1) = false -- _deref_pboc1=vboc2
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lda #0
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sta $400+1
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// [2] *((bool *) 1024+2) = true -- _deref_pboc1=vboc2
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lda #1
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sta $400+2
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// [3] if(*((bool *) 1024+2)) goto main::@1 -- _deref_pboc1_then_la1
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lda $400+2
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cmp #0
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bne __b1
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jmp __breturn
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// main::@1
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__b1:
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// [4] *((bool *) 1024+3) = true -- _deref_pboc1=vboc2
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lda #1
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sta $400+3
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jmp __breturn
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// main::@return
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__breturn:
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// [5] 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 __breturn
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Succesful ASM optimization Pass5NextJumpElimination
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Removing instruction lda $400+2
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Succesful ASM optimization Pass5UnnecesaryLoadElimination
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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 __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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bool *main::bscreen
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FINAL ASSEMBLER
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Score: 40
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// File Comments
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// Tests a pointer to a boolean
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// Upstart
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// Commodore 64 PRG executable file
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.file [name="bool-pointer.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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// bscreen[0] = true
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// [0] *((bool *) 1024) = true -- _deref_pboc1=vboc2
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lda #1
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sta $400
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// bscreen[1] = false
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// [1] *((bool *) 1024+1) = false -- _deref_pboc1=vboc2
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lda #0
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sta $400+1
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// *bscreen = true
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// [2] *((bool *) 1024+2) = true -- _deref_pboc1=vboc2
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lda #1
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sta $400+2
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// if(*bscreen)
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// [3] if(*((bool *) 1024+2)) goto main::@1 -- _deref_pboc1_then_la1
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cmp #0
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bne __b1
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rts
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// main::@1
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__b1:
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// *(++bscreen)= true
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// [4] *((bool *) 1024+3) = true -- _deref_pboc1=vboc2
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lda #1
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sta $400+3
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// main::@return
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// }
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// [5] return
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rts
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}
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// File Data
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