MIPS32: Record missing implicit null checks

ImplicitNullChecks are recorded for HandleFieldGet and HandleFieldSet
instructions for longs after accessing first word.

This fixes following CTS tests:
* dot.junit.opcodes.iget_wide.JUnit_Test_iget_wide#testE2
* dot.junit.opcodes.iput_wide.JUnit_Test_iput_wide#testE2

Change-Id: I0a93370d4a78d36805a8d5a6c304ca0329da2363

1 files changed, 47 insertions, 0 deletions

diff --git a/test/551-implicit-null-checks/src/Main.java b/test/551-implicit-null-checks/src/Main.java
new file mode 100644
index 0000000000..677e8d34ca
--- /dev/null
+++ b/test/551-implicit-null-checks/src/Main.java
@@ -0,0 +1,47 @@
+/*
+ * Copyright (C) 2015 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 {
+
+  private class Inner {
+    private long i1;
+  }
+  private Inner inst;
+
+  public static void main(String args[]) throws Exception {
+    Main m = new Main();
+    try {
+      m.$opt$noinline$testGetLong();
+    } catch (NullPointerException ex) {
+      // good
+    }
+    try {
+      m.$opt$noinline$testPutLong(778899112233L);
+    } catch (NullPointerException ex) {
+      // good
+    }
+  }
+
+  public void $opt$noinline$testGetLong() throws Exception {
+    long result = inst.i1;
+    throw new Exception();  // prevent inline
+  }
+
+  public void $opt$noinline$testPutLong(long a) throws Exception {
+    inst.i1 = a;
+    throw new Exception();  // prevent inline
+  }
+}