Tests for instance field value propagation with multiple constructors
Change-Id: I891a936cdd8f172065b4ac54ca7ce0544dd7d0a4
diff --git a/src/test/java/com/android/tools/r8/ir/optimize/membervaluepropagation/fields/FieldInitializedByDifferentConstantsInMultipleConstructorsTest.java b/src/test/java/com/android/tools/r8/ir/optimize/membervaluepropagation/fields/FieldInitializedByDifferentConstantsInMultipleConstructorsTest.java
new file mode 100644
index 0000000..cf7650f
--- /dev/null
+++ b/src/test/java/com/android/tools/r8/ir/optimize/membervaluepropagation/fields/FieldInitializedByDifferentConstantsInMultipleConstructorsTest.java
@@ -0,0 +1,99 @@
+// 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.membervaluepropagation.fields;
+
+import static com.android.tools.r8.utils.codeinspector.Matchers.isPresent;
+import static org.hamcrest.MatcherAssert.assertThat;
+
+import com.android.tools.r8.NeverClassInline;
+import com.android.tools.r8.NeverInline;
+import com.android.tools.r8.TestBase;
+import com.android.tools.r8.TestParameters;
+import com.android.tools.r8.TestParametersCollection;
+import com.android.tools.r8.utils.codeinspector.ClassSubject;
+import com.android.tools.r8.utils.codeinspector.CodeInspector;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.Parameterized;
+
+@RunWith(Parameterized.class)
+public class FieldInitializedByDifferentConstantsInMultipleConstructorsTest extends TestBase {
+
+ private final TestParameters parameters;
+
+ @Parameterized.Parameters(name = "{0}")
+ public static TestParametersCollection data() {
+ return getTestParameters().withAllRuntimesAndApiLevels().build();
+ }
+
+ public FieldInitializedByDifferentConstantsInMultipleConstructorsTest(TestParameters parameters) {
+ this.parameters = parameters;
+ }
+
+ @Test
+ public void test() throws Exception {
+ testForR8(parameters.getBackend())
+ .addInnerClasses(FieldInitializedByDifferentConstantsInMultipleConstructorsTest.class)
+ .addKeepMainRule(TestClass.class)
+ .enableInliningAnnotations()
+ .enableNeverClassInliningAnnotations()
+ .setMinApi(parameters.getApiLevel())
+ .compile()
+ .inspect(this::inspect)
+ .run(parameters.getRuntime(), TestClass.class)
+ .assertSuccessWithOutputLines("Live!", "Live!");
+ }
+
+ private void inspect(CodeInspector inspector) {
+ ClassSubject testClassSubject = inspector.clazz(TestClass.class);
+ assertThat(testClassSubject, isPresent());
+ assertThat(testClassSubject.uniqueMethodWithName("live"), isPresent());
+ // TODO(b/147652121): Should be absent.
+ assertThat(testClassSubject.uniqueMethodWithName("dead"), isPresent());
+ }
+
+ static class TestClass {
+
+ public static void main(String[] args) {
+ A obj1 = new A();
+ if (obj1.x == 42) {
+ live();
+ } else {
+ dead();
+ }
+
+ A obj2 = new A(null);
+ if (obj2.x == 43) {
+ live();
+ } else {
+ dead();
+ }
+ }
+
+ @NeverInline
+ static void live() {
+ System.out.println("Live!");
+ }
+
+ @NeverInline
+ static void dead() {
+ System.out.println("Dead!");
+ }
+ }
+
+ @NeverClassInline
+ static class A {
+
+ int x;
+
+ A() {
+ this.x = 42;
+ }
+
+ A(Object unused) {
+ this.x = 43;
+ }
+ }
+}
diff --git a/src/test/java/com/android/tools/r8/ir/optimize/membervaluepropagation/fields/FieldInitializedBySameConstantInMultipleConstructorsTest.java b/src/test/java/com/android/tools/r8/ir/optimize/membervaluepropagation/fields/FieldInitializedBySameConstantInMultipleConstructorsTest.java
new file mode 100644
index 0000000..2f0cf08
--- /dev/null
+++ b/src/test/java/com/android/tools/r8/ir/optimize/membervaluepropagation/fields/FieldInitializedBySameConstantInMultipleConstructorsTest.java
@@ -0,0 +1,99 @@
+// 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.membervaluepropagation.fields;
+
+import static com.android.tools.r8.utils.codeinspector.Matchers.isPresent;
+import static org.hamcrest.MatcherAssert.assertThat;
+
+import com.android.tools.r8.NeverClassInline;
+import com.android.tools.r8.NeverInline;
+import com.android.tools.r8.TestBase;
+import com.android.tools.r8.TestParameters;
+import com.android.tools.r8.TestParametersCollection;
+import com.android.tools.r8.utils.codeinspector.ClassSubject;
+import com.android.tools.r8.utils.codeinspector.CodeInspector;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.Parameterized;
+
+@RunWith(Parameterized.class)
+public class FieldInitializedBySameConstantInMultipleConstructorsTest extends TestBase {
+
+ private final TestParameters parameters;
+
+ @Parameterized.Parameters(name = "{0}")
+ public static TestParametersCollection data() {
+ return getTestParameters().withAllRuntimesAndApiLevels().build();
+ }
+
+ public FieldInitializedBySameConstantInMultipleConstructorsTest(TestParameters parameters) {
+ this.parameters = parameters;
+ }
+
+ @Test
+ public void test() throws Exception {
+ testForR8(parameters.getBackend())
+ .addInnerClasses(FieldInitializedBySameConstantInMultipleConstructorsTest.class)
+ .addKeepMainRule(TestClass.class)
+ .enableInliningAnnotations()
+ .enableNeverClassInliningAnnotations()
+ .setMinApi(parameters.getApiLevel())
+ .compile()
+ .inspect(this::inspect)
+ .run(parameters.getRuntime(), TestClass.class)
+ .assertSuccessWithOutputLines("Live!", "Live!");
+ }
+
+ private void inspect(CodeInspector inspector) {
+ ClassSubject testClassSubject = inspector.clazz(TestClass.class);
+ assertThat(testClassSubject, isPresent());
+ assertThat(testClassSubject.uniqueMethodWithName("live"), isPresent());
+ // TODO(b/147652121): Should be absent.
+ assertThat(testClassSubject.uniqueMethodWithName("dead"), isPresent());
+ }
+
+ static class TestClass {
+
+ public static void main(String[] args) {
+ A obj1 = new A();
+ if (obj1.x == 42) {
+ live();
+ } else {
+ dead();
+ }
+
+ A obj2 = new A(null);
+ if (obj2.x == 42) {
+ live();
+ } else {
+ dead();
+ }
+ }
+
+ @NeverInline
+ static void live() {
+ System.out.println("Live!");
+ }
+
+ @NeverInline
+ static void dead() {
+ System.out.println("Dead!");
+ }
+ }
+
+ @NeverClassInline
+ static class A {
+
+ int x;
+
+ A() {
+ this.x = 42;
+ }
+
+ A(Object unused) {
+ this.x = 42;
+ }
+ }
+}
