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kickc/src/test/ref/inline-function-if.log

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Identified constant variable (byte*) screen
Inlined call (byte~) main::$0 ← call toUpper (byte) 'c' true
Inlined call (byte~) main::$1 ← call toUpper (byte) 'm' false
Culled Empty Block (label) main::toUpper1_@3
Culled Empty Block (label) main::toUpper2_@3
Culled Empty Block (label) @1
CONTROL FLOW GRAPH SSA
@begin: scope:[] from
to:@2
(void()) main()
main: scope:[main] from @2
(byte) main::toUpper1_ch#0 ← (byte) 'c'
(bool) main::toUpper1_bo#0 ← true
to:main::toUpper1
main::toUpper1: scope:[main] from main
(bool) main::toUpper1_bo#1 ← phi( main/(bool) main::toUpper1_bo#0 )
(byte) main::toUpper1_ch#1 ← phi( main/(byte) main::toUpper1_ch#0 )
(byte) main::toUpper1_res#0 ← (byte) main::toUpper1_ch#1
(bool~) main::toUpper1_$0 ← ! (bool) main::toUpper1_bo#1
if((bool~) main::toUpper1_$0) goto main::toUpper1_@1
to:main::toUpper1_@2
main::toUpper1_@1: scope:[main] from main::toUpper1 main::toUpper1_@2
(byte) main::toUpper1_res#2 ← phi( main::toUpper1/(byte) main::toUpper1_res#0 main::toUpper1_@2/(byte) main::toUpper1_res#1 )
(byte) main::toUpper1_return#0 ← (byte) main::toUpper1_res#2
to:main::toUpper1_@return
main::toUpper1_@2: scope:[main] from main::toUpper1
(byte) main::toUpper1_res#3 ← phi( main::toUpper1/(byte) main::toUpper1_res#0 )
(byte) main::toUpper1_res#1 ← (byte) main::toUpper1_res#3 + (number) $40
to:main::toUpper1_@1
main::toUpper1_@return: scope:[main] from main::toUpper1_@1
(byte) main::toUpper1_return#2 ← phi( main::toUpper1_@1/(byte) main::toUpper1_return#0 )
(byte) main::toUpper1_return#1 ← (byte) main::toUpper1_return#2
to:main::@1
main::@1: scope:[main] from main::toUpper1_@return
(byte) main::toUpper1_return#3 ← phi( main::toUpper1_@return/(byte) main::toUpper1_return#1 )
(byte~) main::$0 ← (byte) main::toUpper1_return#3
*((const byte*) screen + (number) 0) ← (byte~) main::$0
(byte) main::toUpper2_ch#0 ← (byte) 'm'
(bool) main::toUpper2_bo#0 ← false
to:main::toUpper2
main::toUpper2: scope:[main] from main::@1
(bool) main::toUpper2_bo#1 ← phi( main::@1/(bool) main::toUpper2_bo#0 )
(byte) main::toUpper2_ch#1 ← phi( main::@1/(byte) main::toUpper2_ch#0 )
(byte) main::toUpper2_res#0 ← (byte) main::toUpper2_ch#1
(bool~) main::toUpper2_$0 ← ! (bool) main::toUpper2_bo#1
if((bool~) main::toUpper2_$0) goto main::toUpper2_@1
to:main::toUpper2_@2
main::toUpper2_@1: scope:[main] from main::toUpper2 main::toUpper2_@2
(byte) main::toUpper2_res#2 ← phi( main::toUpper2/(byte) main::toUpper2_res#0 main::toUpper2_@2/(byte) main::toUpper2_res#1 )
(byte) main::toUpper2_return#0 ← (byte) main::toUpper2_res#2
to:main::toUpper2_@return
main::toUpper2_@2: scope:[main] from main::toUpper2
(byte) main::toUpper2_res#3 ← phi( main::toUpper2/(byte) main::toUpper2_res#0 )
(byte) main::toUpper2_res#1 ← (byte) main::toUpper2_res#3 + (number) $40
to:main::toUpper2_@1
main::toUpper2_@return: scope:[main] from main::toUpper2_@1
(byte) main::toUpper2_return#2 ← phi( main::toUpper2_@1/(byte) main::toUpper2_return#0 )
(byte) main::toUpper2_return#1 ← (byte) main::toUpper2_return#2
to:main::@2
main::@2: scope:[main] from main::toUpper2_@return
(byte) main::toUpper2_return#3 ← phi( main::toUpper2_@return/(byte) main::toUpper2_return#1 )
(byte~) main::$1 ← (byte) main::toUpper2_return#3
*((const byte*) screen + (number) 1) ← (byte~) main::$1
to:main::@return
main::@return: scope:[main] from main::@2
return
to:@return
@2: scope:[] from @begin
call main
to:@3
@3: scope:[] from @2
to:@end
@end: scope:[] from @3
SYMBOL TABLE SSA
(label) @2
(label) @3
(label) @begin
(label) @end
(void()) main()
(byte~) main::$0
(byte~) main::$1
(label) main::@1
(label) main::@2
(label) main::@return
(label) main::toUpper1
(bool~) main::toUpper1_$0
(label) main::toUpper1_@1
(label) main::toUpper1_@2
(label) main::toUpper1_@return
(bool) main::toUpper1_bo
(bool) main::toUpper1_bo#0
(bool) main::toUpper1_bo#1
(byte) main::toUpper1_ch
(byte) main::toUpper1_ch#0
(byte) main::toUpper1_ch#1
(byte) main::toUpper1_res
(byte) main::toUpper1_res#0
(byte) main::toUpper1_res#1
(byte) main::toUpper1_res#2
(byte) main::toUpper1_res#3
(byte) main::toUpper1_return
(byte) main::toUpper1_return#0
(byte) main::toUpper1_return#1
(byte) main::toUpper1_return#2
(byte) main::toUpper1_return#3
(label) main::toUpper2
(bool~) main::toUpper2_$0
(label) main::toUpper2_@1
(label) main::toUpper2_@2
(label) main::toUpper2_@return
(bool) main::toUpper2_bo
(bool) main::toUpper2_bo#0
(bool) main::toUpper2_bo#1
(byte) main::toUpper2_ch
(byte) main::toUpper2_ch#0
(byte) main::toUpper2_ch#1
(byte) main::toUpper2_res
(byte) main::toUpper2_res#0
(byte) main::toUpper2_res#1
(byte) main::toUpper2_res#2
(byte) main::toUpper2_res#3
(byte) main::toUpper2_return
(byte) main::toUpper2_return#0
(byte) main::toUpper2_return#1
(byte) main::toUpper2_return#2
(byte) main::toUpper2_return#3
(const byte*) screen = (byte*)(number) $400
Adding number conversion cast (unumber) $40 in (byte) main::toUpper1_res#1 ← (byte) main::toUpper1_res#3 + (number) $40
Adding number conversion cast (unumber) 0 in *((const byte*) screen + (number) 0) ← (byte~) main::$0
Adding number conversion cast (unumber) $40 in (byte) main::toUpper2_res#1 ← (byte) main::toUpper2_res#3 + (number) $40
Adding number conversion cast (unumber) 1 in *((const byte*) screen + (number) 1) ← (byte~) main::$1
Successful SSA optimization PassNAddNumberTypeConversions
Simplifying constant pointer cast (byte*) 1024
Simplifying constant integer cast $40
Simplifying constant integer cast 0
Simplifying constant integer cast $40
Simplifying constant integer cast 1
Successful SSA optimization PassNCastSimplification
Finalized unsigned number type (byte) $40
Finalized unsigned number type (byte) 0
Finalized unsigned number type (byte) $40
Finalized unsigned number type (byte) 1
Successful SSA optimization PassNFinalizeNumberTypeConversions
Alias main::toUpper1_ch#0 = main::toUpper1_ch#1 main::toUpper1_res#0 main::toUpper1_res#3
Alias main::toUpper1_bo#0 = main::toUpper1_bo#1
Alias main::toUpper1_return#0 = main::toUpper1_res#2 main::toUpper1_return#2 main::toUpper1_return#1 main::toUpper1_return#3 main::$0
Alias main::toUpper2_ch#0 = main::toUpper2_ch#1 main::toUpper2_res#0 main::toUpper2_res#3
Alias main::toUpper2_bo#0 = main::toUpper2_bo#1
Alias main::toUpper2_return#0 = main::toUpper2_res#2 main::toUpper2_return#2 main::toUpper2_return#1 main::toUpper2_return#3 main::$1
Successful SSA optimization Pass2AliasElimination
Rewriting ! if()-condition to reversed if() [2] (bool~) main::toUpper1_$0 ← ! (bool) main::toUpper1_bo#0
Rewriting ! if()-condition to reversed if() [9] (bool~) main::toUpper2_$0 ← ! (bool) main::toUpper2_bo#0
Successful SSA optimization Pass2ConditionalAndOrRewriting
Constant (const byte) main::toUpper1_ch#0 = 'c'
Constant (const bool) main::toUpper1_bo#0 = true
Constant (const byte) main::toUpper2_ch#0 = 'm'
Constant (const bool) main::toUpper2_bo#0 = false
Successful SSA optimization Pass2ConstantIdentification
Removing PHI-reference to removed block (main::toUpper1) in block main::toUpper1_@1
if() condition always true - replacing block destination [3] if((const bool) main::toUpper1_bo#0) goto main::toUpper1_@2
if() condition always false - eliminating [10] if((const bool) main::toUpper2_bo#0) goto main::toUpper2_@2
Successful SSA optimization Pass2ConstantIfs
Simplifying expression containing zero screen in [6] *((const byte*) screen + (byte) 0) ← (byte) main::toUpper1_return#0
Successful SSA optimization PassNSimplifyExpressionWithZero
Eliminating unused constant (const bool) main::toUpper1_bo#0
Eliminating unused constant (const bool) main::toUpper2_bo#0
Successful SSA optimization PassNEliminateUnusedVars
Eliminating variable (byte) main::toUpper2_res#1 from unused block main::toUpper2_@2
Removing PHI-reference to removed block (main::toUpper2_@2) in block main::toUpper2_@1
Removing unused block main::toUpper2_@2
Successful SSA optimization Pass2EliminateUnusedBlocks
Alias main::toUpper1_return#0 = main::toUpper1_res#1
Successful SSA optimization Pass2AliasElimination
Identical Phi Values (byte) main::toUpper2_return#0 (const byte) main::toUpper2_ch#0
Successful SSA optimization Pass2IdenticalPhiElimination
Constant right-side identified [0] (byte) main::toUpper1_return#0 ← (const byte) main::toUpper1_ch#0 + (byte) $40
Successful SSA optimization Pass2ConstantRValueConsolidation
Constant (const byte) main::toUpper1_return#0 = main::toUpper1_ch#0+$40
Successful SSA optimization Pass2ConstantIdentification
Consolidated array index constant in *(screen+1)
Successful SSA optimization Pass2ConstantAdditionElimination
Adding NOP phi() at start of @begin
Adding NOP phi() at start of @2
Adding NOP phi() at start of @3
Adding NOP phi() at start of @end
Adding NOP phi() at start of main
Adding NOP phi() at start of main::toUpper1
Adding NOP phi() at start of main::toUpper1_@2
Adding NOP phi() at start of main::toUpper1_@1
Adding NOP phi() at start of main::toUpper1_@return
Adding NOP phi() at start of main::toUpper2
Adding NOP phi() at start of main::toUpper2_@1
Adding NOP phi() at start of main::toUpper2_@return
CALL GRAPH
Calls in [] to main:2
Created 0 initial phi equivalence classes
Coalesced down to 0 phi equivalence classes
Culled Empty Block (label) @3
Culled Empty Block (label) main::toUpper1_@2
Culled Empty Block (label) main::toUpper1_@1
Culled Empty Block (label) main::toUpper1_@return
Culled Empty Block (label) main::toUpper2_@1
Culled Empty Block (label) main::toUpper2_@return
Renumbering block @2 to @1
Adding NOP phi() at start of @begin
Adding NOP phi() at start of @1
Adding NOP phi() at start of @end
Adding NOP phi() at start of main
Adding NOP phi() at start of main::toUpper1
Adding NOP phi() at start of main::toUpper2
FINAL CONTROL FLOW GRAPH
@begin: scope:[] from
[0] phi()
to:@1
@1: scope:[] from @begin
[1] phi()
[2] call main
to:@end
@end: scope:[] from @1
[3] phi()
(void()) main()
main: scope:[main] from @1
[4] phi()
to:main::toUpper1
main::toUpper1: scope:[main] from main
[5] phi()
to:main::@1
main::@1: scope:[main] from main::toUpper1
[6] *((const byte*) screen) ← (const byte) main::toUpper1_return#0
to:main::toUpper2
main::toUpper2: scope:[main] from main::@1
[7] phi()
to:main::@2
main::@2: scope:[main] from main::toUpper2
[8] *((const byte*) screen+(byte) 1) ← (const byte) main::toUpper2_ch#0
to:main::@return
main::@return: scope:[main] from main::@2
[9] return
to:@return
VARIABLE REGISTER WEIGHTS
(void()) main()
(bool) main::toUpper1_bo
(byte) main::toUpper1_ch
(byte) main::toUpper1_res
(byte) main::toUpper1_return
(bool) main::toUpper2_bo
(byte) main::toUpper2_ch
(byte) main::toUpper2_res
(byte) main::toUpper2_return
Initial phi equivalence classes
Complete equivalence classes
INITIAL ASM
Target platform is c64basic / MOS6502X
// File Comments
// Test inlining a slightly complex print function (containing an if)
// Upstart
.pc = $801 "Basic"
:BasicUpstart(__bbegin)
.pc = $80d "Program"
// Global Constants & labels
.label screen = $400
// @begin
__bbegin:
// [1] phi from @begin to @1 [phi:@begin->@1]
__b1_from___bbegin:
jmp __b1
// @1
__b1:
// [2] call main
// [4] phi from @1 to main [phi:@1->main]
main_from___b1:
jsr main
// [3] phi from @1 to @end [phi:@1->@end]
__bend_from___b1:
jmp __bend
// @end
__bend:
// main
main: {
.const toUpper1_ch = 'c'
.const toUpper2_ch = 'm'
.const toUpper1_return = toUpper1_ch+$40
// [5] phi from main to main::toUpper1 [phi:main->main::toUpper1]
toUpper1_from_main:
jmp toUpper1
// main::toUpper1
toUpper1:
jmp __b1
// main::@1
__b1:
// [6] *((const byte*) screen) ← (const byte) main::toUpper1_return#0 -- _deref_pbuc1=vbuc2
lda #toUpper1_return
sta screen
// [7] phi from main::@1 to main::toUpper2 [phi:main::@1->main::toUpper2]
toUpper2_from___b1:
jmp toUpper2
// main::toUpper2
toUpper2:
jmp __b2
// main::@2
__b2:
// [8] *((const byte*) screen+(byte) 1) ← (const byte) main::toUpper2_ch#0 -- _deref_pbuc1=vbuc2
lda #toUpper2_ch
sta screen+1
jmp __breturn
// main::@return
__breturn:
// [9] return
rts
}
// File Data
REGISTER UPLIFT POTENTIAL REGISTERS
Statement [6] *((const byte*) screen) ← (const byte) main::toUpper1_return#0 [ ] ( main:2 [ ] { } ) always clobbers reg byte a
Statement [8] *((const byte*) screen+(byte) 1) ← (const byte) main::toUpper2_ch#0 [ ] ( main:2 [ ] { } ) always clobbers reg byte a
REGISTER UPLIFT SCOPES
Uplift Scope [main]
Uplift Scope []
Uplifting [main] best 99 combination
Uplifting [] best 99 combination
ASSEMBLER BEFORE OPTIMIZATION
// File Comments
// Test inlining a slightly complex print function (containing an if)
// Upstart
.pc = $801 "Basic"
:BasicUpstart(__bbegin)
.pc = $80d "Program"
// Global Constants & labels
.label screen = $400
// @begin
__bbegin:
// [1] phi from @begin to @1 [phi:@begin->@1]
__b1_from___bbegin:
jmp __b1
// @1
__b1:
// [2] call main
// [4] phi from @1 to main [phi:@1->main]
main_from___b1:
jsr main
// [3] phi from @1 to @end [phi:@1->@end]
__bend_from___b1:
jmp __bend
// @end
__bend:
// main
main: {
.const toUpper1_ch = 'c'
.const toUpper2_ch = 'm'
.const toUpper1_return = toUpper1_ch+$40
// [5] phi from main to main::toUpper1 [phi:main->main::toUpper1]
toUpper1_from_main:
jmp toUpper1
// main::toUpper1
toUpper1:
jmp __b1
// main::@1
__b1:
// [6] *((const byte*) screen) ← (const byte) main::toUpper1_return#0 -- _deref_pbuc1=vbuc2
lda #toUpper1_return
sta screen
// [7] phi from main::@1 to main::toUpper2 [phi:main::@1->main::toUpper2]
toUpper2_from___b1:
jmp toUpper2
// main::toUpper2
toUpper2:
jmp __b2
// main::@2
__b2:
// [8] *((const byte*) screen+(byte) 1) ← (const byte) main::toUpper2_ch#0 -- _deref_pbuc1=vbuc2
lda #toUpper2_ch
sta screen+1
jmp __breturn
// main::@return
__breturn:
// [9] return
rts
}
// File Data
ASSEMBLER OPTIMIZATIONS
Removing instruction jmp __b1
Removing instruction jmp __bend
Removing instruction jmp toUpper1
Removing instruction jmp __b1
Removing instruction jmp toUpper2
Removing instruction jmp __b2
Removing instruction jmp __breturn
Succesful ASM optimization Pass5NextJumpElimination
Removing instruction __b1_from___bbegin:
Removing instruction __b1:
Removing instruction main_from___b1:
Removing instruction __bend_from___b1:
Removing instruction toUpper1_from_main:
Removing instruction toUpper1:
Removing instruction toUpper2_from___b1:
Removing instruction toUpper2:
Succesful ASM optimization Pass5RedundantLabelElimination
Removing instruction __bend:
Removing instruction __b1:
Removing instruction __b2:
Removing instruction __breturn:
Succesful ASM optimization Pass5UnusedLabelElimination
Updating BasicUpstart to call main directly
Removing instruction jsr main
Succesful ASM optimization Pass5SkipBegin
Removing instruction __bbegin:
Succesful ASM optimization Pass5UnusedLabelElimination
FINAL SYMBOL TABLE
(label) @1
(label) @begin
(label) @end
(void()) main()
(label) main::@1
(label) main::@2
(label) main::@return
(label) main::toUpper1
(bool) main::toUpper1_bo
(byte) main::toUpper1_ch
(const byte) main::toUpper1_ch#0 toUpper1_ch = (byte) 'c'
(byte) main::toUpper1_res
(byte) main::toUpper1_return
(const byte) main::toUpper1_return#0 toUpper1_return = (const byte) main::toUpper1_ch#0+(byte) $40
(label) main::toUpper2
(bool) main::toUpper2_bo
(byte) main::toUpper2_ch
(const byte) main::toUpper2_ch#0 toUpper2_ch = (byte) 'm'
(byte) main::toUpper2_res
(byte) main::toUpper2_return
(const byte*) screen = (byte*) 1024
FINAL ASSEMBLER
Score: 18
// File Comments
// Test inlining a slightly complex print function (containing an if)
// Upstart
.pc = $801 "Basic"
:BasicUpstart(main)
.pc = $80d "Program"
// Global Constants & labels
.label screen = $400
// @begin
// [1] phi from @begin to @1 [phi:@begin->@1]
// @1
// [2] call main
// [4] phi from @1 to main [phi:@1->main]
// [3] phi from @1 to @end [phi:@1->@end]
// @end
// main
main: {
.const toUpper1_ch = 'c'
.const toUpper2_ch = 'm'
.const toUpper1_return = toUpper1_ch+$40
// [5] phi from main to main::toUpper1 [phi:main->main::toUpper1]
// main::toUpper1
// main::@1
// screen[0] = toUpper('c',true)
// [6] *((const byte*) screen) ← (const byte) main::toUpper1_return#0 -- _deref_pbuc1=vbuc2
lda #toUpper1_return
sta screen
// [7] phi from main::@1 to main::toUpper2 [phi:main::@1->main::toUpper2]
// main::toUpper2
// main::@2
// screen[1] = toUpper('m',false)
// [8] *((const byte*) screen+(byte) 1) ← (const byte) main::toUpper2_ch#0 -- _deref_pbuc1=vbuc2
lda #toUpper2_ch
sta screen+1
// main::@return
// }
// [9] return
rts
}
// File Data