Reproduce invoke-virtual to interface after interface merging
Bug: b/320824618
Change-Id: I5c6cb21febc7170c5dbca40129bac2f11993d5fb
diff --git a/src/test/java/com/android/tools/r8/classmerging/vertical/VerticalClassMergerInvokeVirtualToInterfaceTest.java b/src/test/java/com/android/tools/r8/classmerging/vertical/VerticalClassMergerInvokeVirtualToInterfaceTest.java
new file mode 100644
index 0000000..797ae11
--- /dev/null
+++ b/src/test/java/com/android/tools/r8/classmerging/vertical/VerticalClassMergerInvokeVirtualToInterfaceTest.java
@@ -0,0 +1,96 @@
+// Copyright (c) 2024, the R8 project authors. Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+package com.android.tools.r8.classmerging.vertical;
+
+import static com.android.tools.r8.utils.codeinspector.AssertUtils.assertFailsCompilation;
+
+import com.android.tools.r8.NeverClassInline;
+import com.android.tools.r8.NeverInline;
+import com.android.tools.r8.NoParameterTypeStrengthening;
+import com.android.tools.r8.NoUnusedInterfaceRemoval;
+import com.android.tools.r8.NoVerticalClassMerging;
+import com.android.tools.r8.TestBase;
+import com.android.tools.r8.TestParameters;
+import com.android.tools.r8.TestParametersCollection;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.Parameterized;
+import org.junit.runners.Parameterized.Parameter;
+import org.junit.runners.Parameterized.Parameters;
+
+@RunWith(Parameterized.class)
+public class VerticalClassMergerInvokeVirtualToInterfaceTest extends TestBase {
+
+ @Parameter(0)
+ public TestParameters parameters;
+
+ @Parameters(name = "{0}")
+ public static TestParametersCollection data() {
+ return getTestParameters().withAllRuntimesAndApiLevels().build();
+ }
+
+ @Test
+ public void test() throws Exception {
+ assertFailsCompilation(
+ () ->
+ testForR8(parameters.getBackend())
+ .addInnerClasses(getClass())
+ .addKeepMainRule(Main.class)
+ .addVerticallyMergedClassesInspector(
+ inspector ->
+ inspector.assertMergedIntoSubtype(J.class).assertNoOtherClassesMerged())
+ .enableInliningAnnotations()
+ .enableNeverClassInliningAnnotations()
+ .enableNoParameterTypeStrengtheningAnnotations()
+ .enableNoUnusedInterfaceRemovalAnnotations()
+ .enableNoVerticalClassMergingAnnotations()
+ .setMinApi(parameters)
+ .compile());
+ }
+
+ static class Main {
+
+ public static void main(String[] args) {
+ callOnI(new B());
+ callOnJ(new B());
+ }
+
+ @NeverInline
+ @NoParameterTypeStrengthening
+ static void callOnI(I i) {
+ i.m();
+ }
+
+ @NeverInline
+ @NoParameterTypeStrengthening
+ static void callOnJ(J j) {
+ j.m();
+ }
+ }
+
+ @NoUnusedInterfaceRemoval
+ @NoVerticalClassMerging
+ interface I {
+
+ void m();
+ }
+
+ @NoUnusedInterfaceRemoval
+ interface J {
+
+ void m();
+ }
+
+ @NoVerticalClassMerging
+ abstract static class A implements I, J {}
+
+ @NeverClassInline
+ static class B extends A {
+
+ @NeverInline
+ public void m() {
+ System.out.println("Hello, world!");
+ }
+ }
+}
diff --git a/src/test/java/com/android/tools/r8/utils/codeinspector/VerticallyMergedClassesInspector.java b/src/test/java/com/android/tools/r8/utils/codeinspector/VerticallyMergedClassesInspector.java
index 5b8f002..bf038dd 100644
--- a/src/test/java/com/android/tools/r8/utils/codeinspector/VerticallyMergedClassesInspector.java
+++ b/src/test/java/com/android/tools/r8/utils/codeinspector/VerticallyMergedClassesInspector.java
@@ -8,15 +8,20 @@
import static org.junit.Assert.assertTrue;
import com.android.tools.r8.graph.DexItemFactory;
+import com.android.tools.r8.graph.DexType;
import com.android.tools.r8.references.ClassReference;
import com.android.tools.r8.references.Reference;
import com.android.tools.r8.verticalclassmerging.VerticallyMergedClasses;
+import java.util.HashSet;
+import java.util.Set;
public class VerticallyMergedClassesInspector {
private final DexItemFactory dexItemFactory;
private final VerticallyMergedClasses verticallyMergedClasses;
+ private final Set<ClassReference> seen = new HashSet<>();
+
public VerticallyMergedClassesInspector(
DexItemFactory dexItemFactory, VerticallyMergedClasses verticallyMergedClasses) {
this.dexItemFactory = dexItemFactory;
@@ -24,8 +29,7 @@
}
public VerticallyMergedClassesInspector assertMergedIntoSubtype(Class<?> clazz) {
- assertTrue(verticallyMergedClasses.hasBeenMergedIntoSubtype(toDexType(clazz, dexItemFactory)));
- return this;
+ return assertMergedIntoSubtype(Reference.classFromClass(clazz));
}
public VerticallyMergedClassesInspector assertMergedIntoSubtype(Class<?>... classes) {
@@ -39,6 +43,7 @@
assertTrue(
verticallyMergedClasses.hasBeenMergedIntoSubtype(
toDexType(classReference, dexItemFactory)));
+ seen.add(classReference);
return this;
}
@@ -53,4 +58,11 @@
assertTrue(verticallyMergedClasses.isEmpty());
return this;
}
+
+ public VerticallyMergedClassesInspector assertNoOtherClassesMerged() {
+ for (DexType source : verticallyMergedClasses.getSources()) {
+ assertTrue(source.getTypeName(), seen.contains(source.asClassReference()));
+ }
+ return this;
+ }
}
