Merge "ART: Boolean simplifier fix" into mnc-dev

compiler/optimizing/boolean_simplifier.cc

@@ -146,11 +146,6 @@ void HBooleanSimplifier::TryRemovingBooleanSelection(HBasicBlock* block) {
   // entry block. Any following blocks would have had the join block
   // as a dominator, and `MergeWith` handles changing that to the
   // entry block.
-
-  // Remove the original condition if it is now unused.
-  if (!if_condition->HasUses()) {
-    if_condition->GetBlock()->RemoveInstructionOrPhi(if_condition);
-  }
 }
 
 void HBooleanSimplifier::Run() {

test/463-checker-boolean-simplifier/src/Main.java

@@ -119,9 +119,6 @@ public class Main {
   // CHECK-DAG:     [[Cond:z\d+]]     LessThan [ [[ParamX]] [[ParamY]] ]
   // CHECK-DAG:                       Return [ [[Cond]] ]
 
-  // CHECK-START: boolean Main.LessThan(int, int) boolean_simplifier (after)
-  // CHECK-NOT:                       GreaterThanOrEqual
-
   public static boolean LessThan(int x, int y) {
     return (x < y) ? true : false;
   }

test/524-boolean-simplifier-regression/expected.txt

+Passed

test/524-boolean-simplifier-regression/info.txt

+Regression test for optimizing boolean simplifier.

test/524-boolean-simplifier-regression/src/Main.java

+/*
+ * 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 {
+
+    public static boolean test2() {
+        throw new NullPointerException();
+    }
+
+    public static boolean test1()  {
+        System.out.println("Passed");
+        try {
+            test2();
+        } catch (NullPointerException npe) {
+        }
+        return true;
+    }
+
+    public static void main(String[] args) {
+      boolean b=false;
+
+      b = (test1() || (b = b)) & b;
+    }
+}