Mingyao Yang | e58bdca | 2016-10-28 11:07:24 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2016 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 | import java.util.Arrays; |
| 18 | |
| 19 | // Modified from a fuzz test. |
| 20 | public class Main { |
| 21 | |
| 22 | private interface X { |
| 23 | int x(); |
| 24 | } |
| 25 | |
| 26 | private class A { |
| 27 | public int a() { |
| 28 | return (+ (Math.multiplyExact(mI, mI))); |
| 29 | } |
| 30 | } |
| 31 | |
| 32 | private class B extends A implements X { |
| 33 | public int a() { |
| 34 | return super.a() + ((int) (Math.max(364746077.0f, ((float) mD)))); |
| 35 | } |
| 36 | public int x() { |
| 37 | return (mI >> (mI++)); |
| 38 | } |
| 39 | } |
| 40 | |
| 41 | private static class C implements X { |
| 42 | public static int s() { |
| 43 | return 671468641; |
| 44 | } |
| 45 | public int c() { |
| 46 | return -383762838; |
| 47 | } |
| 48 | public int x() { |
| 49 | return -138813312; |
| 50 | } |
| 51 | } |
| 52 | |
| 53 | private A mA = new B(); |
| 54 | private B mB = new B(); |
| 55 | private X mBX = new B(); |
| 56 | private C mC = new C(); |
| 57 | private X mCX = new C(); |
| 58 | |
| 59 | private boolean mZ = false; |
| 60 | private int mI = 0; |
| 61 | private long mJ = 0; |
| 62 | private float mF = 0; |
| 63 | private double mD = 0; |
| 64 | |
| 65 | private boolean[] mArray = new boolean[576]; |
| 66 | |
| 67 | private Main() { |
| 68 | boolean a = false; |
| 69 | for (int i0 = 0; i0 < 576; i0++) { |
| 70 | mArray[i0] = a; |
| 71 | a = !a; |
| 72 | } |
| 73 | } |
| 74 | |
| 75 | /// CHECK-START: float Main.testMethod() load_store_elimination (before) |
| 76 | /// CHECK-DAG: Deoptimize |
| 77 | /// CHECK-DAG: Deoptimize |
| 78 | /// CHECK-DAG: NewInstance |
| 79 | /// CHECK-DAG: NewInstance |
| 80 | /// CHECK-DAG: NewInstance |
| 81 | /// CHECK-DAG: NewInstance |
| 82 | /// CHECK-DAG: NewInstance |
| 83 | /// CHECK-DAG: NewInstance |
| 84 | /// CHECK-DAG: NewInstance |
| 85 | /// CHECK-DAG: NewInstance |
| 86 | /// CHECK-DAG: NewInstance |
| 87 | /// CHECK-DAG: NewInstance |
| 88 | /// CHECK-DAG: NewInstance |
| 89 | /// CHECK-DAG: NewInstance |
| 90 | /// CHECK-DAG: NewInstance |
| 91 | /// CHECK-DAG: NewInstance |
| 92 | /// CHECK-NOT: NewInstance |
| 93 | |
| 94 | /// CHECK-START: float Main.testMethod() load_store_elimination (after) |
| 95 | /// CHECK-DAG: Deoptimize |
| 96 | /// CHECK-DAG: Deoptimize |
| 97 | /// CHECK-NOT: NewInstance |
| 98 | |
| 99 | private float testMethod() { |
| 100 | { |
| 101 | int lI0 = (-1456058746 << mI); |
| 102 | mD = ((double)(int)(double) mD); |
| 103 | for (int i0 = 56 - 1; i0 >= 0; i0--) { |
| 104 | mArray[i0] &= (Boolean.logicalOr(((true ? ((boolean) new Boolean((mZ))) : mZ) || mArray[i0]), (mZ))); |
| 105 | mF *= (mF * mF); |
| 106 | if ((mZ ^ true)) { |
| 107 | mF *= ((float)(int)(float) 267827331.0f); |
| 108 | mZ ^= ((false & ((boolean) new Boolean(false))) | mZ); |
| 109 | for (int i1 = 576 - 1; i1 >= 0; i1--) { |
| 110 | mZ &= ((mArray[279]) | ((boolean) new Boolean(true))); |
| 111 | mD -= (--mD); |
| 112 | for (int i2 = 56 - 1; i2 >= 0; i2--) { |
| 113 | mF /= (mF - mF); |
| 114 | mI = (Math.min(((int) new Integer(mI)), (766538816 * (++mI)))); |
| 115 | mF += (mZ ? (mB.a()) : ((! mZ) ? -752042357.0f : (++mF))); |
| 116 | mJ |= ((long) new Long((-2084191070L + (mJ | mJ)))); |
| 117 | lI0 |= ((int) new Integer(((int) new Integer(mI)))); |
| 118 | if (((boolean) new Boolean(false))) { |
| 119 | mZ &= (mZ); |
| 120 | mF *= (mF--); |
| 121 | mD = (Double.POSITIVE_INFINITY); |
| 122 | mF += ((float)(int)(float) (-2026938813.0f * 638401585.0f)); |
| 123 | mJ = (--mJ); |
| 124 | for (int i3 = 56 - 1; i3 >= 0; i3--) { |
| 125 | mI &= (- mI); |
| 126 | mD = (--mD); |
| 127 | mArray[426] = (mZ || false); |
| 128 | mF -= (((this instanceof Main) ? mF : mF) + 976981405.0f); |
| 129 | mZ &= ((mZ) & (this instanceof Main)); |
| 130 | } |
| 131 | mZ ^= (Float.isFinite(-1975953895.0f)); |
| 132 | } else { |
| 133 | mJ /= ((long) (Math.nextDown(-1519600008.0f))); |
| 134 | mJ <<= (Math.round(1237681786.0)); |
| 135 | } |
| 136 | } |
| 137 | mArray[i0] &= (false || ((1256071300.0f != -353296391.0f) ? false : (mZ ^ mArray[i0]))); |
| 138 | mF *= (+ ((float) mD)); |
| 139 | for (int i2 = 0; i2 < 576; i2++) { |
| 140 | mD *= ((double) lI0); |
| 141 | lI0 = (lI0 & (Integer.MIN_VALUE)); |
| 142 | mF -= (--mF); |
| 143 | } |
| 144 | if ((this instanceof Main)) { |
| 145 | mZ ^= ((boolean) new Boolean(true)); |
| 146 | } else { |
| 147 | { |
| 148 | int lI1 = (mZ ? (--lI0) : 1099574344); |
| 149 | mJ >>= (Math.incrementExact(mJ)); |
| 150 | mJ = (~ -2103354070L); |
| 151 | } |
| 152 | } |
| 153 | } |
| 154 | } else { |
| 155 | mJ *= (- ((long) new Long(479832084L))); |
| 156 | mJ %= (Long.MAX_VALUE); |
| 157 | mD /= (--mD); |
| 158 | if ((mI > ((mBX.x()) << mI))) { |
| 159 | { |
| 160 | long lJ0 = (mJ--); |
| 161 | mI >>>= (mBX.x()); |
| 162 | } |
| 163 | mF = (+ 505094603.0f); |
| 164 | mD *= (((boolean) new Boolean((! false))) ? mD : 1808773781.0); |
| 165 | mI *= (Integer.MIN_VALUE); |
| 166 | for (int i1 = 576 - 1; i1 >= 0; i1--) { |
| 167 | if (((boolean) new Boolean(false))) { |
| 168 | mD += ((double)(float)(double) -1051436901.0); |
| 169 | } else { |
| 170 | mF -= ((float)(int)(float) (Float.min(mF, (mF--)))); |
| 171 | } |
| 172 | for (int i2 = 0; i2 < 576; i2++) { |
| 173 | mJ -= ((long) new Long(-1968644857L)); |
| 174 | mJ ^= (+ (mC.s())); |
| 175 | } |
| 176 | } |
| 177 | } else { |
| 178 | mF -= ((- mF) + -2145489966.0f); |
| 179 | } |
| 180 | mD -= (mD++); |
| 181 | mD = (949112777.0 * 1209996119.0); |
| 182 | } |
| 183 | mZ &= (Boolean.logicalAnd(true, ((mZ) & (((boolean) new Boolean(true)) && true)))); |
| 184 | } |
| 185 | } |
| 186 | return ((float) 964977619L); |
| 187 | } |
| 188 | |
| 189 | public static void main(String[] args) { |
| 190 | System.out.println("Start...."); |
| 191 | Main t = new Main(); |
| 192 | float r = 1883600237.0f; |
| 193 | try { |
| 194 | r = t.testMethod(); |
| 195 | } catch (Exception e) { |
| 196 | // Arithmetic, null pointer, index out of bounds, etc. |
| 197 | System.out.println("An exception was caught."); |
| 198 | } |
| 199 | System.out.println("r = " + r); |
| 200 | System.out.println("mZ = " + t.mZ); |
| 201 | System.out.println("mI = " + t.mI); |
| 202 | System.out.println("mJ = " + t.mJ); |
| 203 | System.out.println("mF = " + t.mF); |
| 204 | System.out.println("mD = " + t.mD); |
| 205 | System.out.println("Done...."); |
| 206 | } |
| 207 | } |
| 208 | |