1 /* 2 * Copyright (C) 2015 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 public class Main { 18 19 /// CHECK-START: void Main.testRedundantPhiCycle(boolean) builder (after) 20 /// CHECK-NOT: Phi 21 private void testRedundantPhiCycle(boolean cond) { 22 Object o = null; 23 while (true) { 24 if (cond) { 25 o = null; 26 } 27 System.out.println(o); 28 } 29 } 30 31 /// CHECK-START: void Main.testLoopPhisWithNullAndCrossUses(boolean) builder (after) 32 /// CHECK-NOT: Phi 33 private void testLoopPhisWithNullAndCrossUses(boolean cond) { 34 Main a = null; 35 Main b = null; 36 while (a == null) { 37 if (cond) { 38 a = b; 39 } else { 40 b = a; 41 } 42 } 43 } 44 45 public static void main(String[] args) { 46 } 47 } 48