Implement checkcast for optimizing.
- Ended up not using HTypeCheck because of how
instanceof and checkcast end up having different logic
for code generation.
- Fix a x86_64 assembler bug triggered by now enabling
more methods to be compiled. Difficult to test today
without b/18117217.
Change-Id: I3022e7ae03befb1d10bea9637ad21fadc430abe0
diff --git a/test/424-checkcast/src/Main.java b/test/424-checkcast/src/Main.java
new file mode 100644
index 0000000..791b166
--- /dev/null
+++ b/test/424-checkcast/src/Main.java
@@ -0,0 +1,73 @@
+/*
+ * Copyright (C) 2014 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+public class Main {
+ public static Object a;
+
+ public static Object $opt$CheckCastMain() {
+ return (Main)a;
+ }
+
+ public static Object $opt$CheckCastFinalClass() {
+ return (FinalClass)a;
+ }
+
+ public static void main(String[] args) {
+ $opt$TestMain();
+ $opt$TestFinalClass();
+ }
+
+ public static void $opt$TestMain() {
+ a = new Main();
+ $opt$CheckCastMain();
+
+ a = null;
+ $opt$CheckCastMain();
+
+ a = new MainChild();
+ $opt$CheckCastMain();
+
+ a = new Object();
+ try {
+ $opt$CheckCastMain();
+ throw new Error("Should have gotten a ClassCastException");
+ } catch (ClassCastException ex) {}
+ }
+
+ public static void $opt$TestFinalClass() {
+ a = new FinalClass();
+ $opt$CheckCastFinalClass();
+
+ a = null;
+ $opt$CheckCastFinalClass();
+
+ a = new Main();
+ try {
+ $opt$CheckCastFinalClass();
+ throw new Error("Should have gotten a ClassCastException");
+ } catch (ClassCastException ex) {}
+
+ a = new Object();
+ try {
+ $opt$CheckCastFinalClass();
+ throw new Error("Should have gotten a ClassCastException");
+ } catch (ClassCastException ex) {}
+ }
+
+ static class MainChild extends Main {}
+
+ static final class FinalClass {}
+}