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Replace CHECKCAST kotlin/Unit with ARETURN for tail call optimization

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Sometimes instead of {POP, GETSTATIC Unit.INSTANCE, ARETURN} sequence
the codegen emits {CHECKCAST Unit, ARETURN} sequence, which breaks tail
call optimization. By replacing CHECKCAST with ARETURN we eliminate
this issue.

 #KT-19790: Fixed
This commit is contained in:
Ilmir Usmanov
2018-03-27 19:59:17 +03:00
parent 7b2de2de5e
commit eb81c205c7
18 changed files with 223 additions and 58 deletions
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compiler/testData/codegen/bytecodeListing/tailcall/tailCallIntrinsics.txt
Vendored
+20
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@@ -0,0 +1,20 @@
@kotlin.Metadata
final class TailCallIntrinsicsKt$withoutInline$c$1 {
public final static field INSTANCE: TailCallIntrinsicsKt$withoutInline$c$1
inner class TailCallIntrinsicsKt$withoutInline$c$1
static method <clinit>(): void
method <init>(): void
public final @org.jetbrains.annotations.NotNull method invoke(@org.jetbrains.annotations.NotNull p0: kotlin.coroutines.experimental.Continuation): java.lang.Object
public synthetic method invoke(p0: java.lang.Object): java.lang.Object
}
@kotlin.Metadata
public final class TailCallIntrinsicsKt {
private static field p: int
inner class TailCallIntrinsicsKt$withoutInline$c$1
static method <clinit>(): void
public final static method getP(): int
public final static method setP(p0: int): void
final static @org.jetbrains.annotations.Nullable method withInline(@org.jetbrains.annotations.NotNull p0: kotlin.coroutines.experimental.Continuation): java.lang.Object
final static @org.jetbrains.annotations.Nullable method withoutInline(@org.jetbrains.annotations.NotNull p0: kotlin.coroutines.experimental.Continuation): java.lang.Object
}