Ignore unreachable code on tail call optimization

#KT-21759: Fixed
2018-01-12 19:04:42 +03:00
parent 25998c1f9b
commit ed11528664
10 changed files with 299 additions and 3 deletions
@@ -0,0 +1,118 @@
+suspend fun empty() {}
+suspend fun withoutReturn() {
+    empty()
+}
+
+suspend fun twoReturns() {
+    return empty()
+    return empty()
+}
+
+suspend fun notTailCall() {
+    empty()
+    return empty()
+    empty()
+}
+
+suspend fun lambdaAsParameter(c: suspend () -> Unit) {
+    c()
+}
+
+suspend fun lambdaAsParameterNotTailCall(c: suspend () -> Unit) {
+    c()
+    return c()
+    c()
+}
+
+suspend fun lambdaAsParameterReturn(c: suspend () -> Unit) {
+    return c()
+    c()
+}
+
+suspend fun returnsInt() = 42
+suspend fun callsIntNotTailCall() {
+    returnsInt()
+    return
+    empty()
+}
+
+suspend fun multipleExitPoints(b: Boolean) {
+    if (b) empty() else withoutReturn()
+    return
+    empty()
+}
+
+suspend fun multipleExitPointsNotTailCall(b: Boolean) {
+    if (b) empty() else returnsInt()
+    return
+    empty()
+}
+
+fun ordinary() = 1
+inline fun ordinaryInline() {
+    ordinary()
+}
+
+suspend fun multipleExitPointsWithOrdinaryInline(b: Boolean) {
+    if (b) empty() else ordinaryInline()
+    return
+    empty()
+}
+
+suspend fun multipleExitPointsWhen(i: Int) {
+    when (i) {
+        1 -> empty()
+        2 -> twoReturns()
+        3 -> withoutReturn()
+        else -> lambdaAsParameter {}
+    }
+    return
+    empty()
+}
+
+suspend fun <T> generic(): T = TODO()
+suspend fun useGenericReturningUnit() {
+    generic<Unit>()
+    return
+    empty()
+}
+
+class Generic<T> {
+    suspend fun foo(): T = TODO()
+}
+
+suspend fun useGenericClass(g: Generic<Unit>) {
+    g.foo()
+    return
+    empty()
+}
+
+suspend fun <T> genericInferType(c: () -> T): T = TODO()
+suspend fun useGenericInferType() {
+    genericInferType {}
+    return
+    empty()
+}
+
+suspend fun nullableUnit(): Unit? = null
+suspend fun useNullableUnit() {
+    nullableUnit()
+    return
+    empty()
+}
+
+suspend fun useRunRunRunRunRun() {
+    run {
+        run {
+            run {
+                run {
+                    run {
+                        empty()
+                    }
+                }
+            }
+        }
+    }
+    return
+    empty()
+}
@@ -0,0 +1,115 @@
+@kotlin.Metadata
+public final class Generic {
+    public method <init>(): void
+    public final @org.jetbrains.annotations.Nullable method foo(@org.jetbrains.annotations.Nullable p0: java.lang.Object): java.lang.Object
+}
+
+@kotlin.Metadata
+final class UnreachableKt$callsIntNotTailCall$1 {
+    synthetic field data: java.lang.Object
+    synthetic field exception: java.lang.Throwable
+    inner class UnreachableKt$callsIntNotTailCall$1
+    method <init>(p0: kotlin.coroutines.experimental.Continuation): void
+    public final @org.jetbrains.annotations.Nullable method doResume(@org.jetbrains.annotations.Nullable p0: java.lang.Object, @org.jetbrains.annotations.Nullable p1: java.lang.Throwable): java.lang.Object
+    synthetic final method getLabel(): int
+    synthetic final method setLabel(p0: int): void
+}
+
+@kotlin.Metadata
+final class UnreachableKt$lambdaAsParameterNotTailCall$1 {
+    field L$0: java.lang.Object
+    synthetic field data: java.lang.Object
+    synthetic field exception: java.lang.Throwable
+    inner class UnreachableKt$lambdaAsParameterNotTailCall$1
+    method <init>(p0: kotlin.coroutines.experimental.Continuation): void
+    public final @org.jetbrains.annotations.Nullable method doResume(@org.jetbrains.annotations.Nullable p0: java.lang.Object, @org.jetbrains.annotations.Nullable p1: java.lang.Throwable): java.lang.Object
+    synthetic final method getLabel(): int
+    synthetic final method setLabel(p0: int): void
+}
+
+@kotlin.Metadata
+final class UnreachableKt$multipleExitPointsNotTailCall$1 {
+    field Z$0: boolean
+    synthetic field data: java.lang.Object
+    synthetic field exception: java.lang.Throwable
+    inner class UnreachableKt$multipleExitPointsNotTailCall$1
+    method <init>(p0: kotlin.coroutines.experimental.Continuation): void
+    public final @org.jetbrains.annotations.Nullable method doResume(@org.jetbrains.annotations.Nullable p0: java.lang.Object, @org.jetbrains.annotations.Nullable p1: java.lang.Throwable): java.lang.Object
+    synthetic final method getLabel(): int
+    synthetic final method setLabel(p0: int): void
+}
+
+@kotlin.Metadata
+final class UnreachableKt$multipleExitPointsWhen$2 {
+    inner class UnreachableKt$multipleExitPointsWhen$2
+    method <init>(p0: kotlin.coroutines.experimental.Continuation): void
+    public final @org.jetbrains.annotations.Nullable method create(@org.jetbrains.annotations.Nullable p0: java.lang.Object): java.lang.Object
+    public final @org.jetbrains.annotations.Nullable method doResume(@org.jetbrains.annotations.Nullable p0: java.lang.Object, @org.jetbrains.annotations.Nullable p1: java.lang.Throwable): java.lang.Object
+    public final @org.jetbrains.annotations.Nullable method invoke(@org.jetbrains.annotations.Nullable p0: java.lang.Object): java.lang.Object
+}
+
+@kotlin.Metadata
+final class UnreachableKt$notTailCall$1 {
+    synthetic field data: java.lang.Object
+    synthetic field exception: java.lang.Throwable
+    inner class UnreachableKt$notTailCall$1
+    method <init>(p0: kotlin.coroutines.experimental.Continuation): void
+    public final @org.jetbrains.annotations.Nullable method doResume(@org.jetbrains.annotations.Nullable p0: java.lang.Object, @org.jetbrains.annotations.Nullable p1: java.lang.Throwable): java.lang.Object
+    synthetic final method getLabel(): int
+    synthetic final method setLabel(p0: int): void
+}
+
+@kotlin.Metadata
+final class UnreachableKt$useGenericInferType$2 {
+    public final static field INSTANCE: UnreachableKt$useGenericInferType$2
+    inner class UnreachableKt$useGenericInferType$2
+    static method <clinit>(): void
+    method <init>(): void
+    public synthetic method invoke(): java.lang.Object
+    public final method invoke(): void
+}
+
+@kotlin.Metadata
+final class UnreachableKt$useNullableUnit$1 {
+    synthetic field data: java.lang.Object
+    synthetic field exception: java.lang.Throwable
+    inner class UnreachableKt$useNullableUnit$1
+    method <init>(p0: kotlin.coroutines.experimental.Continuation): void
+    public final @org.jetbrains.annotations.Nullable method doResume(@org.jetbrains.annotations.Nullable p0: java.lang.Object, @org.jetbrains.annotations.Nullable p1: java.lang.Throwable): java.lang.Object
+    synthetic final method getLabel(): int
+    synthetic final method setLabel(p0: int): void
+}
+
+@kotlin.Metadata
+public final class UnreachableKt {
+    inner class UnreachableKt$callsIntNotTailCall$1
+    inner class UnreachableKt$lambdaAsParameterNotTailCall$1
+    inner class UnreachableKt$multipleExitPointsNotTailCall$1
+    inner class UnreachableKt$multipleExitPointsWhen$2
+    inner class UnreachableKt$notTailCall$1
+    inner class UnreachableKt$useGenericInferType$2
+    inner class UnreachableKt$useNullableUnit$1
+    public final static @org.jetbrains.annotations.Nullable method callsIntNotTailCall(@org.jetbrains.annotations.Nullable p0: java.lang.Object): java.lang.Object
+    public final static @org.jetbrains.annotations.Nullable method empty(@org.jetbrains.annotations.Nullable p0: java.lang.Object): java.lang.Object
+    public final static @org.jetbrains.annotations.Nullable method generic(@org.jetbrains.annotations.Nullable p0: java.lang.Object): java.lang.Object
+    public final static @org.jetbrains.annotations.Nullable method genericInferType(@org.jetbrains.annotations.NotNull p0: kotlin.jvm.functions.Function0, @org.jetbrains.annotations.Nullable p1: java.lang.Object): java.lang.Object
+    public final static @org.jetbrains.annotations.Nullable method lambdaAsParameter(@org.jetbrains.annotations.NotNull p0: kotlin.jvm.functions.Function1, @org.jetbrains.annotations.Nullable p1: java.lang.Object): java.lang.Object
+    public final static @org.jetbrains.annotations.Nullable method lambdaAsParameterNotTailCall(@org.jetbrains.annotations.NotNull p0: kotlin.jvm.functions.Function1, @org.jetbrains.annotations.Nullable p1: java.lang.Object): java.lang.Object
+    public final static @org.jetbrains.annotations.Nullable method lambdaAsParameterReturn(@org.jetbrains.annotations.NotNull p0: kotlin.jvm.functions.Function1, @org.jetbrains.annotations.Nullable p1: java.lang.Object): java.lang.Object
+    public final static @org.jetbrains.annotations.Nullable method multipleExitPoints(p0: boolean, @org.jetbrains.annotations.Nullable p1: java.lang.Object): java.lang.Object
+    public final static @org.jetbrains.annotations.Nullable method multipleExitPointsNotTailCall(p0: boolean, @org.jetbrains.annotations.Nullable p1: java.lang.Object): java.lang.Object
+    public final static @org.jetbrains.annotations.Nullable method multipleExitPointsWhen(p0: int, @org.jetbrains.annotations.Nullable p1: java.lang.Object): java.lang.Object
+    public final static @org.jetbrains.annotations.Nullable method multipleExitPointsWithOrdinaryInline(p0: boolean, @org.jetbrains.annotations.Nullable p1: java.lang.Object): java.lang.Object
+    public final static @org.jetbrains.annotations.Nullable method notTailCall(@org.jetbrains.annotations.Nullable p0: java.lang.Object): java.lang.Object
+    public final static @org.jetbrains.annotations.Nullable method nullableUnit(@org.jetbrains.annotations.Nullable p0: java.lang.Object): java.lang.Object
+    public final static method ordinary(): int
+    public final static method ordinaryInline(): void
+    public final static @org.jetbrains.annotations.Nullable method returnsInt(@org.jetbrains.annotations.Nullable p0: java.lang.Object): java.lang.Object
+    public final static @org.jetbrains.annotations.Nullable method twoReturns(@org.jetbrains.annotations.Nullable p0: java.lang.Object): java.lang.Object
+    public final static @org.jetbrains.annotations.Nullable method useGenericClass(@org.jetbrains.annotations.NotNull p0: Generic, @org.jetbrains.annotations.Nullable p1: java.lang.Object): java.lang.Object
+    public final static @org.jetbrains.annotations.Nullable method useGenericInferType(@org.jetbrains.annotations.Nullable p0: java.lang.Object): java.lang.Object
+    public final static @org.jetbrains.annotations.Nullable method useGenericReturningUnit(@org.jetbrains.annotations.Nullable p0: java.lang.Object): java.lang.Object
+    public final static @org.jetbrains.annotations.Nullable method useNullableUnit(@org.jetbrains.annotations.Nullable p0: java.lang.Object): java.lang.Object
+    public final static @org.jetbrains.annotations.Nullable method useRunRunRunRunRun(@org.jetbrains.annotations.Nullable p0: java.lang.Object): java.lang.Object
+    public final static @org.jetbrains.annotations.Nullable method withoutReturn(@org.jetbrains.annotations.Nullable p0: java.lang.Object): java.lang.Object
+}