Revert "Revert "Intrinsify Integer.valueOf.""

Fix heap poisoning.
LOG INFO instead of ERROR to avoid run-test failures with --no-image.

bug:30933338
Test: ART_HEAP_POISONING=true test-art-host test-art-target

This reverts commit db7b44ac3ea80a722aaed12e913ebc1661a57998.

Change-Id: I0b7d4f1eb11c62c9a3df8e0de0b1a5d8af760181
diff --git a/test/640-checker-integer-valueof/src/Main.java b/test/640-checker-integer-valueof/src/Main.java
new file mode 100644
index 0000000..0837fd1
--- /dev/null
+++ b/test/640-checker-integer-valueof/src/Main.java
@@ -0,0 +1,93 @@
+/*
+ * Copyright (C) 2017 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 {
+
+  /// CHECK-START: java.lang.Integer Main.foo(int) disassembly (after)
+  /// CHECK: <<Integer:l\d+>>     InvokeStaticOrDirect method_name:java.lang.Integer.valueOf intrinsic:IntegerValueOf
+  /// CHECK:                      pAllocObjectInitialized
+  /// CHECK:                      Return [<<Integer>>]
+  public static Integer foo(int a) {
+    return Integer.valueOf(a);
+  }
+
+  /// CHECK-START: java.lang.Integer Main.foo2() disassembly (after)
+  /// CHECK: <<Integer:l\d+>>     InvokeStaticOrDirect method_name:java.lang.Integer.valueOf intrinsic:IntegerValueOf
+  /// CHECK-NOT:                  pAllocObjectInitialized
+  /// CHECK:                      Return [<<Integer>>]
+  public static Integer foo2() {
+    return Integer.valueOf(-42);
+  }
+
+  /// CHECK-START: java.lang.Integer Main.foo3() disassembly (after)
+  /// CHECK: <<Integer:l\d+>>     InvokeStaticOrDirect method_name:java.lang.Integer.valueOf intrinsic:IntegerValueOf
+  /// CHECK-NOT:                  pAllocObjectInitialized
+  /// CHECK:                      Return [<<Integer>>]
+  public static Integer foo3() {
+    return Integer.valueOf(42);
+  }
+
+  /// CHECK-START: java.lang.Integer Main.foo4() disassembly (after)
+  /// CHECK: <<Integer:l\d+>>     InvokeStaticOrDirect method_name:java.lang.Integer.valueOf intrinsic:IntegerValueOf
+  /// CHECK:                      pAllocObjectInitialized
+  /// CHECK:                      Return [<<Integer>>]
+  public static Integer foo4() {
+    return Integer.valueOf(55555);
+  }
+
+  public static void main(String[] args) {
+    assertEqual("42", foo(intField));
+    assertEqual(foo(intField), foo(intField2));
+    assertEqual("-42", foo2());
+    assertEqual("42", foo3());
+    assertEqual("55555", foo4());
+    assertEqual("55555", foo(intField3));
+    assertEqual("-129", foo(intFieldMinus129));
+    assertEqual("-128", foo(intFieldMinus128));
+    assertEqual(foo(intFieldMinus128), foo(intFieldMinus128));
+    assertEqual("-127", foo(intFieldMinus127));
+    assertEqual(foo(intFieldMinus127), foo(intFieldMinus127));
+    assertEqual("126", foo(intField126));
+    assertEqual(foo(intField126), foo(intField126));
+    assertEqual("127", foo(intField127));
+    assertEqual(foo(intField127), foo(intField127));
+    assertEqual("128", foo(intField128));
+  }
+
+  static void assertEqual(String a, Integer b) {
+    if (!a.equals(b.toString())) {
+      throw new Error("Expected " + a + ", got " + b);
+    }
+  }
+
+  static void assertEqual(Integer a, Integer b) {
+    if (a != b) {
+      throw new Error("Expected " + a + ", got " + b);
+    }
+  }
+
+  static int intField = 42;
+  static int intField2 = 42;
+  static int intField3 = 55555;
+
+  // Edge cases.
+  static int intFieldMinus129 = -129;
+  static int intFieldMinus128 = -128;
+  static int intFieldMinus127 = -127;
+  static int intField126 = 126;
+  static int intField127 = 127;
+  static int intField128 = 128;
+}