/* * Copyright (C) 2016 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. */ /** * Automatically generated fuzz test that exposed bug in the way bounds * check elimination visits basic blocks. If, after dynamic bce, the same * block would be visited again, then static length based bce would incorrectly * feed information back to itself and removed a necessary bounds check. */ public class Main { private static int[][][] mA = new int[10][10][10]; private static int mX = 17; private static int doit() { int l0 = (((++mA[7][2][8]) <= mA[0][1][3]) ? (++mA[9][0][5]) : ((( -mA[0][7][0]) * ((mX == mX) ? 180 : mX)) + (mA[7][8][8]++))); mA[1][0][4] -= mX; int l1 = (((l0 >= ( ~mA[6][7][5])) && ((921 <= l0) && (mA[3][9][6] > l0))) ? mX : (l0--)); int l2 = ( -384); for (int i0 = 7 - 1; i0 >= 1; i0--) { mA[6][0][0] -= ((((l0++) == ( -mX)) ? (((mA[3][i0][1] > 503) || (mX <= i0)) ? (--l0) : (l0--)) : mX) - ( ~(mX--))); int l3 = 24; int l4 = ((l2--) & mX); for (int i1 = i0-2 - 1; i1 >= 3; i1--) { for (int i2 = 2; i2 < i0; i2++) { mA[i0][4][l3] >>= 1; } } } return 1; } public static void main(String[] args) { int k = 1; for (int i0 = 0; i0 < 10; i0++) for (int i1 = 0; i1 < 10; i1++) for (int i2 = 0; i2 < 10; i2++) mA[i0][i1][i2] = k++; try { k = doit(); } catch (Exception e) { System.out.println("exception caught"); } System.out.println("FUZZ result = " + k + " " + mX); } }