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JVM IR: optimize isStaticInlineClassReplacementDelegatingCall

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Static inline class replacements are possible only in inline classes.

Iterating over class declarations here took ~0.5% of backend time on
average projects, and up to 4% of total compilation time on degenerate
projects such as the one in KT-20055.
This commit is contained in:
Alexander Udalov
2022-01-31 15:04:11 +01:00
parent 6e999f6e84
commit d0f958d7a1
1 changed files with 10 additions and 4 deletions
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compiler/ir/backend.jvm/src/org/jetbrains/kotlin/backend/jvm/ir/JvmIrCoroutineUtils.kt
+10 -4
View File
@@ -42,10 +42,16 @@ private fun IrFunction.isBridgeToSuspendImplMethod(): Boolean =
it.name.asString() == name.asString() + SUSPEND_IMPL_NAME_SUFFIX && it.attributeOwnerId == attributeOwnerId it.name.asString() == name.asString() + SUSPEND_IMPL_NAME_SUFFIX && it.attributeOwnerId == attributeOwnerId
} }
private fun IrFunction.isStaticInlineClassReplacementDelegatingCall(): Boolean = private fun IrFunction.isStaticInlineClassReplacementDelegatingCall(): Boolean {
this is IrAttributeContainer && !isStaticInlineClassReplacement && if (this !is IrAttributeContainer || isStaticInlineClassReplacement) return false
(parent as? IrClass)?.declarations?.find { it is IrAttributeContainer && it.attributeOwnerId == attributeOwnerId && it !== this }
?.isStaticInlineClassReplacement == true val parentClass = parent as? IrClass ?: return false
if (!parentClass.isSingleFieldValueClass) return false
return parentClass.declarations.find {
it is IrAttributeContainer && it.attributeOwnerId == attributeOwnerId && it !== this
}?.isStaticInlineClassReplacement == true
}
private val BRIDGE_ORIGINS = setOf( private val BRIDGE_ORIGINS = setOf(
IrDeclarationOrigin.FUNCTION_FOR_DEFAULT_PARAMETER, IrDeclarationOrigin.FUNCTION_FOR_DEFAULT_PARAMETER,