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IR: build primitive array only when required

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This commit is contained in:
Vasily Levchenko
2017-02-16 15:39:59 +03:00
committed by vvlevchenko
parent e3c2f78b63
commit f0a99963a7
1 changed files with 20 additions and 12 deletions
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backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/lower/VarargLowering.kt
+20 -12
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@@ -5,6 +5,8 @@ import org.jetbrains.kotlin.backend.konan.Context
import org.jetbrains.kotlin.backend.konan.KonanPlatform
import org.jetbrains.kotlin.backend.konan.ir.ir2string
import org.jetbrains.kotlin.builtins.KotlinBuiltIns
import org.jetbrains.kotlin.builtins.KotlinBuiltIns.FQ_NAMES
import org.jetbrains.kotlin.builtins.PrimitiveType
import org.jetbrains.kotlin.descriptors.*
import org.jetbrains.kotlin.incremental.components.NoLookupLocation
import org.jetbrains.kotlin.ir.IrElement
@@ -21,6 +23,7 @@ import org.jetbrains.kotlin.name.FqName
import org.jetbrains.kotlin.name.Name
import org.jetbrains.kotlin.resolve.DescriptorUtils
import org.jetbrains.kotlin.types.KotlinType
import org.jetbrains.kotlin.types.TypeUtils
class VarargInjectionLowering internal constructor(val context: Context): FunctionLoweringPass {
@@ -72,7 +75,8 @@ class VarargInjectionLowering internal constructor(val context: Context): Functi
log("skipped vararg expression because it's string array literal")
return@forEach
}
val arrayHandle = arrayType(type)
log ("$it: array type:$type, is array of primitives ${KotlinBuiltIns.isArray(it.type)}")
val arrayHandle = arrayType(it.type)
val arrayConstructor = arrayHandle.arrayDescriptor.constructors.find { it.valueParameters.size == 1 }!!
val block = irBlock(arrayHandle.arrayDescriptor.defaultType)
val arrayConstructorCall = irCall(
@@ -146,18 +150,22 @@ class VarargInjectionLowering internal constructor(val context: Context): Functi
null
}
private fun arrayType(type: KotlinType): ArrayHandle {
return when {
KotlinBuiltIns.isByte(type) -> kByteArrayHandler
KotlinBuiltIns.isShort(type) -> kShortArrayHandler
KotlinBuiltIns.isChar(type) -> kCharArrayHandler
KotlinBuiltIns.isInt(type) -> kIntArrayHandler
KotlinBuiltIns.isLong(type) -> kLongArrayHandler
KotlinBuiltIns.isFloat(type) -> kFloatArrayHandler
KotlinBuiltIns.isDouble(type) -> kDoubleArrayHandler
KotlinBuiltIns.isBoolean(type) -> kBooleanArrayHandler
else -> kArrayHandler
private fun arrayType(type: KotlinType): ArrayHandle = when {
KotlinBuiltIns.isPrimitiveArray(type) -> {
val primitiveType = KotlinBuiltIns.getPrimitiveTypeByArrayClassFqName(DescriptorUtils.getFqName(type.constructor.declarationDescriptor!!))
when (primitiveType) {
PrimitiveType.BYTE -> kByteArrayHandler
PrimitiveType.SHORT -> kShortArrayHandler
PrimitiveType.CHAR -> kCharArrayHandler
PrimitiveType.INT -> kIntArrayHandler
PrimitiveType.LONG -> kLongArrayHandler
PrimitiveType.FLOAT -> kFloatArrayHandler
PrimitiveType.DOUBLE -> kDoubleArrayHandler
PrimitiveType.BOOLEAN -> kBooleanArrayHandler
else -> TODO("unsupported type: $primitiveType")
}
}
else -> kArrayHandler
}
private fun Offset.intPlus() = irCall(kIntPlusDescriptor, null)