4112
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1 /*
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2 * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 *
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23 */
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24
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25 /**
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26 * @test
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27 * @bug 7110586
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28 * @summary C2 generates icorrect results
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29 *
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30 * @run main/othervm -Xbatch Test7110586
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31 */
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32
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33 public class Test7110586 {
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34 static int test1() {
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35 int i = 0;
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36 for ( ; i < 11; i+=1) {}
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37 return i;
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38 }
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39 static int test2() {
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40 int i = 0;
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41 for ( ; i < 11; i+=2) {}
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42 return i;
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43 }
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44 static int test3() {
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45 int i = 0;
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46 for ( ; i < 11; i+=3) {}
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47 return i;
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48 }
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49 static int test11() {
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50 int i = 0;
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51 for ( ; i < 11; i+=11) {}
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52 return i;
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53 }
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54
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55 static int testm1() {
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56 int i = 0;
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57 for ( ; i > -11; i-=1) {}
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58 return i;
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59 }
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60 static int testm2() {
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61 int i = 0;
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62 for ( ; i > -11; i-=2) {}
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63 return i;
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64 }
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65 static int testm3() {
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66 int i = 0;
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67 for ( ; i > -11; i-=3) {}
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68 return i;
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69 }
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70 static int testm11() {
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71 int i = 0;
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72 for ( ; i > -11; i-=11) {}
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73 return i;
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74 }
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75
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76 public static void main(String args[]) {
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77 int x1 = 0;
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78 int x2 = 0;
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79 int x3 = 0;
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80 int x11 = 0;
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81 int m1 = 0;
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82 int m2 = 0;
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83 int m3 = 0;
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84 int m11 = 0;
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85 for (int i=0; i<10000; i++) {
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86 x1 = test1();
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87 x2 = test2();
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88 x3 = test3();
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89 x11 = test11();
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90 m1 = testm1();
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91 m2 = testm2();
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92 m3 = testm3();
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93 m11 = testm11();
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94 }
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95 boolean failed = false;
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96 if (x1 != 11) {
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97 System.out.println("ERROR (incr = +1): " + x1 + " != 11");
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98 failed = true;
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99 }
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100 if (x2 != 12) {
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101 System.out.println("ERROR (incr = +2): " + x2 + " != 12");
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102 failed = true;
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103 }
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104 if (x3 != 12) {
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105 System.out.println("ERROR (incr = +3): " + x3 + " != 12");
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106 failed = true;
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107 }
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108 if (x11 != 11) {
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109 System.out.println("ERROR (incr = +11): " + x11 + " != 11");
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110 failed = true;
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111 }
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112 if (m1 != -11) {
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113 System.out.println("ERROR (incr = -1): " + m1 + " != -11");
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114 failed = true;
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115 }
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116 if (m2 != -12) {
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117 System.out.println("ERROR (incr = -2): " + m2 + " != -12");
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118 failed = true;
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119 }
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120 if (m3 != -12) {
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121 System.out.println("ERROR (incr = -3): " + m3 + " != -12");
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122 failed = true;
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123 }
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124 if (m11 != -11) {
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125 System.out.println("ERROR (incr = -11): " + m11 + " != -11");
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126 failed = true;
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127 }
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128 if (failed) {
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129 System.exit(97);
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130 }
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131 }
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132 }
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