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[FIR] Capture receiver for pre/postfix dec/increment of qualified access

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This prevents double-evaluation of the receiver expression, which may
have side-effects. E.g.: a.b++
This commit is contained in:
Mark Punzalan
2020-09-17 22:42:43 -07:00
committed by Mikhail Glukhikh
parent 393189db8d
commit f55ff8eb1b
13 changed files with 278 additions and 117 deletions
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compiler/testData/ir/irText/expressions/complexAugmentedAssignment.fir.txt
Vendored
+26 -20
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@@ -143,33 +143,39 @@ FILE fqName:<root> fileName:/complexAugmentedAssignment.kt
GET_VAR 'val tmp_0: kotlin.Int [val] declared in <root>.test1' type=kotlin.Int origin=null
FUN name:test2 visibility:public modality:FINAL <> () returnType:kotlin.Unit
BLOCK_BODY
VAR IR_TEMPORARY_VARIABLE name:tmp_3 type:kotlin.Int [val]
CALL 'public final fun <get-x1> (): kotlin.Int declared in <root>.X1' type=kotlin.Int origin=GET_PROPERTY
$this: GET_OBJECT 'CLASS OBJECT name:X1 modality:FINAL visibility:public superTypes:[kotlin.Any]' type=<root>.X1
CALL 'public final fun <set-x1> (<set-?>: kotlin.Int): kotlin.Unit declared in <root>.X1' type=kotlin.Unit origin=EQ
$this: GET_OBJECT 'CLASS OBJECT name:X1 modality:FINAL visibility:public superTypes:[kotlin.Any]' type=<root>.X1
<set-?>: CALL 'public final fun inc (): kotlin.Int [operator] declared in kotlin.Int' type=kotlin.Int origin=null
$this: GET_VAR 'val tmp_3: kotlin.Int [val] declared in <root>.test2' type=kotlin.Int origin=null
TYPE_OP type=kotlin.Unit origin=IMPLICIT_COERCION_TO_UNIT typeOperand=kotlin.Unit
GET_VAR 'val tmp_3: kotlin.Int [val] declared in <root>.test2' type=kotlin.Int origin=null
VAR IR_TEMPORARY_VARIABLE name:tmp_3 type:<root>.X1 [val]
GET_OBJECT 'CLASS OBJECT name:X1 modality:FINAL visibility:public superTypes:[kotlin.Any]' type=<root>.X1
VAR IR_TEMPORARY_VARIABLE name:tmp_4 type:kotlin.Int [val]
CALL 'public final fun <get-x2> (): kotlin.Int declared in <root>.X1.X2' type=kotlin.Int origin=GET_PROPERTY
$this: GET_OBJECT 'CLASS OBJECT name:X2 modality:FINAL visibility:public superTypes:[kotlin.Any]' type=<root>.X1.X2
CALL 'public final fun <set-x2> (<set-?>: kotlin.Int): kotlin.Unit declared in <root>.X1.X2' type=kotlin.Unit origin=EQ
$this: GET_OBJECT 'CLASS OBJECT name:X2 modality:FINAL visibility:public superTypes:[kotlin.Any]' type=<root>.X1.X2
CALL 'public final fun <get-x1> (): kotlin.Int declared in <root>.X1' type=kotlin.Int origin=GET_PROPERTY
$this: GET_VAR 'val tmp_3: <root>.X1 [val] declared in <root>.test2' type=<root>.X1 origin=null
CALL 'public final fun <set-x1> (<set-?>: kotlin.Int): kotlin.Unit declared in <root>.X1' type=kotlin.Unit origin=EQ
$this: GET_VAR 'val tmp_3: <root>.X1 [val] declared in <root>.test2' type=<root>.X1 origin=null
<set-?>: CALL 'public final fun inc (): kotlin.Int [operator] declared in kotlin.Int' type=kotlin.Int origin=null
$this: GET_VAR 'val tmp_4: kotlin.Int [val] declared in <root>.test2' type=kotlin.Int origin=null
TYPE_OP type=kotlin.Unit origin=IMPLICIT_COERCION_TO_UNIT typeOperand=kotlin.Unit
GET_VAR 'val tmp_4: kotlin.Int [val] declared in <root>.test2' type=kotlin.Int origin=null
VAR IR_TEMPORARY_VARIABLE name:tmp_5 type:kotlin.Int [val]
CALL 'public final fun <get-x3> (): kotlin.Int declared in <root>.X1.X2.X3' type=kotlin.Int origin=GET_PROPERTY
$this: GET_OBJECT 'CLASS OBJECT name:X3 modality:FINAL visibility:public superTypes:[kotlin.Any]' type=<root>.X1.X2.X3
CALL 'public final fun <set-x3> (<set-?>: kotlin.Int): kotlin.Unit declared in <root>.X1.X2.X3' type=kotlin.Unit origin=EQ
$this: GET_OBJECT 'CLASS OBJECT name:X3 modality:FINAL visibility:public superTypes:[kotlin.Any]' type=<root>.X1.X2.X3
VAR IR_TEMPORARY_VARIABLE name:tmp_5 type:<root>.X1.X2 [val]
GET_OBJECT 'CLASS OBJECT name:X2 modality:FINAL visibility:public superTypes:[kotlin.Any]' type=<root>.X1.X2
VAR IR_TEMPORARY_VARIABLE name:tmp_6 type:kotlin.Int [val]
CALL 'public final fun <get-x2> (): kotlin.Int declared in <root>.X1.X2' type=kotlin.Int origin=GET_PROPERTY
$this: GET_VAR 'val tmp_5: <root>.X1.X2 [val] declared in <root>.test2' type=<root>.X1.X2 origin=null
CALL 'public final fun <set-x2> (<set-?>: kotlin.Int): kotlin.Unit declared in <root>.X1.X2' type=kotlin.Unit origin=EQ
$this: GET_VAR 'val tmp_5: <root>.X1.X2 [val] declared in <root>.test2' type=<root>.X1.X2 origin=null
<set-?>: CALL 'public final fun inc (): kotlin.Int [operator] declared in kotlin.Int' type=kotlin.Int origin=null
$this: GET_VAR 'val tmp_5: kotlin.Int [val] declared in <root>.test2' type=kotlin.Int origin=null
$this: GET_VAR 'val tmp_6: kotlin.Int [val] declared in <root>.test2' type=kotlin.Int origin=null
TYPE_OP type=kotlin.Unit origin=IMPLICIT_COERCION_TO_UNIT typeOperand=kotlin.Unit
GET_VAR 'val tmp_5: kotlin.Int [val] declared in <root>.test2' type=kotlin.Int origin=null
GET_VAR 'val tmp_6: kotlin.Int [val] declared in <root>.test2' type=kotlin.Int origin=null
VAR IR_TEMPORARY_VARIABLE name:tmp_7 type:<root>.X1.X2.X3 [val]
GET_OBJECT 'CLASS OBJECT name:X3 modality:FINAL visibility:public superTypes:[kotlin.Any]' type=<root>.X1.X2.X3
VAR IR_TEMPORARY_VARIABLE name:tmp_8 type:kotlin.Int [val]
CALL 'public final fun <get-x3> (): kotlin.Int declared in <root>.X1.X2.X3' type=kotlin.Int origin=GET_PROPERTY
$this: GET_VAR 'val tmp_7: <root>.X1.X2.X3 [val] declared in <root>.test2' type=<root>.X1.X2.X3 origin=null
CALL 'public final fun <set-x3> (<set-?>: kotlin.Int): kotlin.Unit declared in <root>.X1.X2.X3' type=kotlin.Unit origin=EQ
$this: GET_VAR 'val tmp_7: <root>.X1.X2.X3 [val] declared in <root>.test2' type=<root>.X1.X2.X3 origin=null
<set-?>: CALL 'public final fun inc (): kotlin.Int [operator] declared in kotlin.Int' type=kotlin.Int origin=null
$this: GET_VAR 'val tmp_8: kotlin.Int [val] declared in <root>.test2' type=kotlin.Int origin=null
TYPE_OP type=kotlin.Unit origin=IMPLICIT_COERCION_TO_UNIT typeOperand=kotlin.Unit
GET_VAR 'val tmp_8: kotlin.Int [val] declared in <root>.test2' type=kotlin.Int origin=null
CLASS CLASS name:B modality:FINAL visibility:public superTypes:[kotlin.Any]
$this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:<root>.B
CONSTRUCTOR visibility:public <> (s:kotlin.Int) returnType:<root>.B [primary]