Reproduce missing propagation in call site optimization
Bug: 154531810
Change-Id: Id4af6e1d2165ea48d010a7b14c3fee6739aa59a8
diff --git a/src/test/java/com/android/tools/r8/ir/optimize/callsites/PropagationFromSiblingTest.java b/src/test/java/com/android/tools/r8/ir/optimize/callsites/PropagationFromSiblingTest.java
new file mode 100644
index 0000000..fb3bc2e
--- /dev/null
+++ b/src/test/java/com/android/tools/r8/ir/optimize/callsites/PropagationFromSiblingTest.java
@@ -0,0 +1,89 @@
+// Copyright (c) 2020, 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.ir.optimize.callsites;
+
+import com.android.tools.r8.NeverClassInline;
+import com.android.tools.r8.NeverInline;
+import com.android.tools.r8.NeverMerge;
+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.Parameters;
+
+@RunWith(Parameterized.class)
+public class PropagationFromSiblingTest extends TestBase {
+
+ private final TestParameters parameters;
+
+ @Parameters(name = "{0}")
+ public static TestParametersCollection data() {
+ return getTestParameters().withAllRuntimesAndApiLevels().build();
+ }
+
+ public PropagationFromSiblingTest(TestParameters parameters) {
+ this.parameters = parameters;
+ }
+
+ @Test
+ public void test() throws Exception {
+ testForR8(parameters.getBackend())
+ .addInnerClasses(PropagationFromSiblingTest.class)
+ .addKeepMainRule(TestClass.class)
+ .addOptionsModification(options -> options.enableUnusedInterfaceRemoval = false)
+ .enableInliningAnnotations()
+ .enableMergeAnnotations()
+ .enableNeverClassInliningAnnotations()
+ .setMinApi(parameters.getApiLevel())
+ .compile()
+ .run(parameters.getRuntime(), TestClass.class)
+ .assertSuccessWithOutputLines("Hello world!");
+ }
+
+ static class TestClass {
+
+ public static void main(String[] args) {
+ getJAsI().m(null); // The null argument is not propagated to A.m() in 2.0.59.
+ new B().m("Hello world!");
+ }
+
+ @NeverInline
+ static I getJAsI() {
+ if (System.currentTimeMillis() > 0) {
+ return new B();
+ }
+ return new C();
+ }
+ }
+
+ interface I {
+ void m(Object o);
+ }
+
+ interface J extends I {}
+
+ @NeverMerge
+ static class A implements I {
+
+ @NeverInline
+ @Override
+ public void m(Object o) {
+ if (o != null) {
+ System.out.println(o.toString());
+ }
+ }
+ }
+
+ @NeverClassInline
+ static class B extends A implements J {}
+
+ static class C implements J {
+
+ @Override
+ public void m(Object o) {}
+ }
+}
