Test that inlining of static method preserves class initialization
Bug: 71524812
Change-Id: I116e2ac708ade37e4e57d786446cab97268b792e
diff --git a/src/test/examples/staticinlining/Main.java b/src/test/examples/staticinlining/Main.java
new file mode 100644
index 0000000..dfbafa6
--- /dev/null
+++ b/src/test/examples/staticinlining/Main.java
@@ -0,0 +1,26 @@
+// Copyright (c) 2018, 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 staticinlining;
+
+public class Main {
+ public static String tag = null;
+
+ public static void printMessage(String msg) {
+ System.out.println(msg);
+ }
+
+ public static void test() {
+ tag = "Sub1";
+ Sub1.inlineMe(); // triggers class init of Sub1 (and its hierarchy)
+ tag = "Sub2";
+ Sub2.doNotInlineMe(); // triggers class init of Sub2 (and its hierarchy)
+ printMessage("SuperClass.INIT_TAG=" + SuperClass.INIT_TAG);
+ }
+
+ public static void main(String[] args) {
+ test();
+ }
+
+}
diff --git a/src/test/examples/staticinlining/Sub1.java b/src/test/examples/staticinlining/Sub1.java
new file mode 100644
index 0000000..2e06601
--- /dev/null
+++ b/src/test/examples/staticinlining/Sub1.java
@@ -0,0 +1,16 @@
+// Copyright (c) 2018, 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 staticinlining;
+
+import inlining.AlwaysInline;
+
+public class Sub1 extends SuperClass {
+
+ @AlwaysInline
+ public static void inlineMe() {
+ Main.printMessage("Sub1");
+ }
+
+}
diff --git a/src/test/examples/staticinlining/Sub2.java b/src/test/examples/staticinlining/Sub2.java
new file mode 100644
index 0000000..e253f79
--- /dev/null
+++ b/src/test/examples/staticinlining/Sub2.java
@@ -0,0 +1,22 @@
+// Copyright (c) 2018, 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 staticinlining;
+
+public class Sub2 extends SuperClass {
+
+ public static void doNotInlineMe() {
+ System.out.println("Do not inline me 1");
+ System.out.println("Do not inline me 2");
+ System.out.println("Do not inline me 3");
+ System.out.println("Do not inline me 4");
+ System.out.println("Do not inline me 5");
+ System.out.println("Do not inline me 6");
+ System.out.println("Do not inline me 7");
+ System.out.println("Do not inline me 8");
+ System.out.println("Do not inline me 9");
+ System.out.println("Do not inline me 10");
+ }
+
+}
diff --git a/src/test/examples/staticinlining/SuperClass.java b/src/test/examples/staticinlining/SuperClass.java
new file mode 100644
index 0000000..237c11d
--- /dev/null
+++ b/src/test/examples/staticinlining/SuperClass.java
@@ -0,0 +1,9 @@
+// Copyright (c) 2018, 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 staticinlining;
+
+public class SuperClass {
+ public static final String INIT_TAG = Main.tag;
+}
diff --git a/src/test/examples/staticinlining/keep-rules.txt b/src/test/examples/staticinlining/keep-rules.txt
new file mode 100644
index 0000000..1de091f
--- /dev/null
+++ b/src/test/examples/staticinlining/keep-rules.txt
@@ -0,0 +1,13 @@
+# Copyright (c) 2018, 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.
+
+# Keep the application entry point. Get rid of everything that is not
+# reachable from there.
+-keep public class staticinlining.Main {
+ public static void main(...);
+}
+
+-alwaysinline class * {
+ @inlining.AlwaysInline <methods>;
+}
