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IR: '!!' is generated as 'CHECK_NOT_NULL' intrinsic

Browse Source 
```
fun <T : Any> CHECK_NOT_NULL(x: T?): x =
  if (x != null) x else throw NullPointerException(...)
```

This allows to compile both Kotlin/JVM and Kotlin/JS effectively.
This commit is contained in:
Dmitry Petrov
2019-08-08 16:22:48 +03:00
parent b9db4148cc
commit 7170439517
12 changed files with 217 additions and 161 deletions
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compiler/testData/ir/irText/expressions/floatingPointComparisons/eqeqRhsConditionPossiblyAffectingLhs.txt
Vendored
+3 -12
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@@ -9,18 +9,9 @@ FILE fqName:<root> fileName:/eqeqRhsConditionPossiblyAffectingLhs.kt
BRANCH
if: TYPE_OP type=kotlin.Boolean origin=NOT_INSTANCEOF typeOperand=kotlin.Double
GET_VAR 'x: kotlin.Any declared in <root>.test' type=kotlin.Any origin=null
then: BLOCK type=kotlin.Nothing origin=EXCLEXCL
VAR IR_TEMPORARY_VARIABLE name:tmp0_notnull type:kotlin.Nothing? [val]
CONST Null type=kotlin.Nothing? value=null
WHEN type=kotlin.Nothing origin=null
BRANCH
if: CALL 'public final fun EQEQ (arg0: kotlin.Any?, arg1: kotlin.Any?): kotlin.Boolean declared in kotlin.internal.ir' type=kotlin.Boolean origin=EQEQ
arg0: GET_VAR 'val tmp0_notnull: kotlin.Nothing? [val] declared in <root>.test' type=kotlin.Nothing? origin=null
arg1: CONST Null type=kotlin.Nothing? value=null
then: CALL 'public final fun THROW_NPE (): kotlin.Nothing declared in kotlin.internal.ir' type=kotlin.Nothing origin=EXCLEXCL
BRANCH
if: CONST Boolean type=kotlin.Boolean value=true
then: GET_VAR 'val tmp0_notnull: kotlin.Nothing? [val] declared in <root>.test' type=kotlin.Nothing? origin=null
then: CALL 'public final fun CHECK_NOT_NULL <T> (x: T of kotlin.internal.ir.CHECK_NOT_NULL?): T of kotlin.internal.ir.CHECK_NOT_NULL declared in kotlin.internal.ir' type=kotlin.Nothing origin=EXCLEXCL
<T>: kotlin.Nothing
x: CONST Null type=kotlin.Nothing? value=null
BRANCH
if: CONST Boolean type=kotlin.Boolean value=true
then: TYPE_OP type=kotlin.Double origin=IMPLICIT_CAST typeOperand=kotlin.Double