1 /* 2 * Copyright (C) 2014 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 // Note that $opt$ is a marker for the optimizing compiler to test 18 // it compiles these methods. 19 20 public class Main { 21 public static void main(String[] args) { 22 23 expectEquals(4, $opt$TestLostCopy()); 24 expectEquals(-10, $opt$TestTwoLive()); 25 expectEquals(-20, $opt$TestThreeLive()); 26 expectEquals(5, $opt$TestFourLive()); 27 expectEquals(10, $opt$TestMultipleLive()); 28 expectEquals(1, $opt$TestWithBreakAndContinue()); 29 expectEquals(-15, $opt$testSpillInIf(5, 6, 7)); 30 expectEquals(-567, $opt$TestAgressiveLive1(1, 2, 3, 4, 5, 6, 7)); 31 expectEquals(-77, $opt$TestAgressiveLive2(1, 2, 3, 4, 5, 6, 7)); 32 33 expectEquals(-55834574850L, $opt$testSpillInIf(5, 6L << 32, 7L << 32)); 34 expectEquals(-73014444553L, $opt$TestAgressiveLive1( 35 1L << 32, (1L << 32) + 1, 3L << 32, 4L << 32, 5L << 32, 6L << 32, (1L << 32) + 2)); 36 expectEquals(-124554051632L, $opt$TestAgressiveLive2( 37 1L << 32, (1L << 32) + 1, 3L << 32, 4L << 32, 5L << 32, 6L << 32, 7L << 32)); 38 } 39 40 public static long $opt$TestLostCopy() { 41 long a = 0; 42 long b = 0; 43 do { 44 b = a; 45 a++; 46 } while (a != 5); 47 return b; 48 } 49 50 public static long $opt$TestTwoLive() { 51 long a = 0; 52 long b = 0; 53 do { 54 a++; 55 b += 3; 56 } while (a != 5); 57 return a - b; 58 } 59 60 public static long $opt$TestThreeLive() { 61 long a = 0; 62 long b = 0; 63 long c = 0; 64 do { 65 a++; 66 b += 3; 67 c += 2; 68 } while (a != 5); 69 return a - b - c; 70 } 71 72 public static long $opt$TestFourLive() { 73 long a = 0; 74 long b = 0; 75 long c = 0; 76 long d = 0; 77 do { 78 a++; 79 b += 3; 80 c += 2; 81 d++; 82 } while (a != 5); 83 return d; 84 } 85 86 public static long $opt$TestMultipleLive() { 87 long a = 0; 88 long b = 0; 89 long c = 0; 90 long d = 0; 91 long e = 0; 92 long f = 0; 93 long g = 0; 94 do { 95 a++; 96 b++; 97 c++; 98 d++; 99 e += 3; 100 f += 2; 101 g += 2; 102 } while (a != 5); 103 return f; 104 } 105 106 public static long $opt$TestWithBreakAndContinue() { 107 long a = 0; 108 long b = 0; 109 do { 110 a++; 111 if (a == 2) { 112 continue; 113 } 114 b++; 115 if (a == 5) { 116 break; 117 } 118 } while (true); 119 return a - b; 120 } 121 122 public static long $opt$testSpillInIf(long a, long b, long c) { 123 long d = 0; 124 long e = 0; 125 if (a == 5) { 126 b++; 127 c++; 128 d += 2; 129 e += 3; 130 } 131 132 return a - b - c - d - e; 133 } 134 135 public static long $opt$TestAgressiveLive1(long a, long b, long c, long d, long e, long f, long g) { 136 long h = a - b; 137 long i = c - d; 138 long j = e - f; 139 long k = 42 + g - a; 140 do { 141 b++; 142 while (k != 1) { 143 --k; 144 ++i; 145 if (i == 9) { 146 ++i; 147 } 148 j += 5; 149 } 150 k = 9; 151 h++; 152 } while (h != 5); 153 return a - b - c - d - e - f - g - h - i - j - k; 154 } 155 156 public static long $opt$TestAgressiveLive2(long a, long b, long c, long d, long e, long f, long g) { 157 long h = a - b; 158 long i = c - d; 159 long j = e - f; 160 long k = 42 + g - a; 161 do { 162 h++; 163 } while (h != 5); 164 return a - b - c - d - e - f - g - h - i - j - k; 165 } 166 167 public static void expectEquals(long expected, long value) { 168 if (expected != value) { 169 throw new Error("Expected: " + expected + ", got: " + value); 170 } 171 } 172 } 173
