Update induction ranges in superblock cloner.

Because loop unrolling is part of a general loop optimization pass,
it needs to update induction ranges as it will invalidate its
instruction cache with new instructions.

Bug: 131174583
Test: 696-loop
Change-Id: Id3628efe316b58f69abbd9ebd43e891a8e42529f

1 files changed, 38 insertions, 0 deletions

diff --git a/test/696-loop/src/Main.java b/test/696-loop/src/Main.java
new file mode 100644
index 0000000000..b92166a021
--- /dev/null
+++ b/test/696-loop/src/Main.java
@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) 2019 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 {
+  static int[] sA = new int[12];
+  static int a = 1;
+
+  static void doIt(int n) {
+    for (int i = 0; i < 2; i++) {
+      n+=a;
+    }
+    for (int i = 0; i < n; i++) {
+      sA[i] += 1;
+    }
+  }
+
+  public static void main(String[] args) {
+    doIt(10);
+    for (int i = 0; i < sA.length; i++) {
+      if (sA[i] != 1) {
+        throw new Error("Expected 1, got " + sA[i]);
+      }
+    }
+  }
+}