KT-23397 Optimize out field for property delegate when it's safe (JVM)

2022-06-03 16:54:12 +02:00
parent 9ee0268197
commit 65b2cee913
83 changed files with 3015 additions and 19 deletions
@@ -0,0 +1,8 @@
+// CHECK_BYTECODE_LISTING
+
+operator fun Any?.getValue(thisRef: Any?, property: Any?) =
+    if (this == 1 && thisRef == null) "OK" else "Failed"
+
+val s: String by 1
+
+fun box() = s
@@ -0,0 +1,10 @@
+@kotlin.Metadata
+public final class DelegateToConstKt {
+    // source: 'delegateToConst.kt'
+    synthetic final static field $$delegatedProperties: kotlin.reflect.KProperty[]
+    private final static field s$delegate: int
+    static method <clinit>(): void
+    public final static @org.jetbrains.annotations.NotNull method box(): java.lang.String
+    public final static @org.jetbrains.annotations.NotNull method getS(): java.lang.String
+    public final static @org.jetbrains.annotations.NotNull method getValue(@org.jetbrains.annotations.Nullable p0: java.lang.Object, @org.jetbrains.annotations.Nullable p1: java.lang.Object, @org.jetbrains.annotations.Nullable p2: java.lang.Object): java.lang.String
+}
@@ -0,0 +1,10 @@
+// CHECK_BYTECODE_LISTING
+
+operator fun Any?.getValue(thisRef: Any?, property: Any?) =
+    if (this == a && thisRef == null) "OK" else "Failed"
+
+const val a = "TEXT"
+
+val s: String by a
+
+fun box(): String = s
@@ -0,0 +1,11 @@
+@kotlin.Metadata
+public final class DelegateToConstPropertyKt {
+    // source: 'delegateToConstProperty.kt'
+    synthetic final static field $$delegatedProperties: kotlin.reflect.KProperty[]
+    public final static @org.jetbrains.annotations.NotNull field a: java.lang.String
+    private final static @org.jetbrains.annotations.NotNull field s$delegate: java.lang.String
+    static method <clinit>(): void
+    public final static @org.jetbrains.annotations.NotNull method box(): java.lang.String
+    public final static @org.jetbrains.annotations.NotNull method getS(): java.lang.String
+    public final static @org.jetbrains.annotations.NotNull method getValue(@org.jetbrains.annotations.Nullable p0: java.lang.Object, @org.jetbrains.annotations.Nullable p1: java.lang.Object, @org.jetbrains.annotations.Nullable p2: java.lang.Object): java.lang.String
+}
@@ -0,0 +1,11 @@
+@kotlin.Metadata
+public final class DelegateToConstPropertyKt {
+    // source: 'delegateToConstProperty.kt'
+    synthetic final static field $$delegatedProperties: kotlin.reflect.KProperty[]
+    public final static @org.jetbrains.annotations.NotNull field a: java.lang.String
+    static method <clinit>(): void
+    public final static @org.jetbrains.annotations.NotNull method box(): java.lang.String
+    private static method getS$delegate(): java.lang.Object
+    public final static @org.jetbrains.annotations.NotNull method getS(): java.lang.String
+    public final static @org.jetbrains.annotations.NotNull method getValue(@org.jetbrains.annotations.Nullable p0: java.lang.Object, @org.jetbrains.annotations.Nullable p1: java.lang.Object, @org.jetbrains.annotations.Nullable p2: java.lang.Object): java.lang.String
+}
@@ -0,0 +1,10 @@
+@kotlin.Metadata
+public final class DelegateToConstKt {
+    // source: 'delegateToConst.kt'
+    synthetic final static field $$delegatedProperties: kotlin.reflect.KProperty[]
+    static method <clinit>(): void
+    public final static @org.jetbrains.annotations.NotNull method box(): java.lang.String
+    private static method getS$delegate(): java.lang.Object
+    public final static @org.jetbrains.annotations.NotNull method getS(): java.lang.String
+    public final static @org.jetbrains.annotations.NotNull method getValue(@org.jetbrains.annotations.Nullable p0: java.lang.Object, @org.jetbrains.annotations.Nullable p1: java.lang.Object, @org.jetbrains.annotations.Nullable p2: java.lang.Object): java.lang.String
+}
@@ -0,0 +1,8 @@
+// CHECK_BYTECODE_LISTING
+
+operator fun Any?.getValue(thisRef: Any?, property: Any?) =
+    if (this == null && thisRef == null) "OK" else "Failed"
+
+val s: String by null
+
+fun box() = s
@@ -0,0 +1,10 @@
+@kotlin.Metadata
+public final class DelegateToNullKt {
+    // source: 'delegateToNull.kt'
+    synthetic final static field $$delegatedProperties: kotlin.reflect.KProperty[]
+    private final static @org.jetbrains.annotations.NotNull field s$delegate: java.lang.Void
+    static method <clinit>(): void
+    public final static @org.jetbrains.annotations.NotNull method box(): java.lang.String
+    public final static @org.jetbrains.annotations.NotNull method getS(): java.lang.String
+    public final static @org.jetbrains.annotations.NotNull method getValue(@org.jetbrains.annotations.Nullable p0: java.lang.Object, @org.jetbrains.annotations.Nullable p1: java.lang.Object, @org.jetbrains.annotations.Nullable p2: java.lang.Object): java.lang.String
+}
@@ -0,0 +1,10 @@
+@kotlin.Metadata
+public final class DelegateToNullKt {
+    // source: 'delegateToNull.kt'
+    synthetic final static field $$delegatedProperties: kotlin.reflect.KProperty[]
+    static method <clinit>(): void
+    public final static @org.jetbrains.annotations.NotNull method box(): java.lang.String
+    private static method getS$delegate(): java.lang.Object
+    public final static @org.jetbrains.annotations.NotNull method getS(): java.lang.String
+    public final static @org.jetbrains.annotations.NotNull method getValue(@org.jetbrains.annotations.Nullable p0: java.lang.Object, @org.jetbrains.annotations.Nullable p1: java.lang.Object, @org.jetbrains.annotations.Nullable p2: java.lang.Object): java.lang.String
+}