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111
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1 /* PR tree-optimization/69097 */
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2 /* { dg-do compile } */
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3 /* { dg-options "-O2 -fdump-tree-optimized" } */
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4 /* All the x % -y below should be optimized into x % y, as
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5 it should never be INT_MIN % -(-1). */
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6 /* { dg-final { scan-tree-dump-not "-y" "optimized" } } */
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7
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8 int
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9 f1 (int x, int y)
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10 {
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11 if (x == -__INT_MAX__ - 1)
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12 __builtin_unreachable ();
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13 return x % -y;
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14 }
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15
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16 int
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17 f2 (int x, int y)
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18 {
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19 if (x < -__INT_MAX__)
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20 __builtin_unreachable ();
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21 return x % -y;
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22 }
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23
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24 int
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25 f3 (int x, int y)
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26 {
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27 if (y == -1)
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28 __builtin_unreachable ();
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29 return x % -y;
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30 }
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31
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32 int
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33 f4 (int x, int y)
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34 {
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35 if (y < 0)
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36 __builtin_unreachable ();
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37 return x % -y;
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38 }
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39
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40 int
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41 f5 (int x, int y)
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42 {
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43 if (y >= -1)
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44 __builtin_unreachable ();
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45 return x % -y;
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46 }
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47
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48 int
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49 f6 (int x, int y)
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50 {
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51 if (y < 0 || y > 24)
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52 __builtin_unreachable ();
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53 return x % -y;
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54 }
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55
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56 int
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57 f7 (int x, int y)
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58 {
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59 if (y <= -17 || y >= -1)
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60 __builtin_unreachable ();
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61 return x % -y;
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62 }
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63
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64 int
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65 f8 (int x, int y)
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66 {
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67 if (y >= -13 && y <= 15)
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68 __builtin_unreachable ();
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69 return x % -y;
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70 }
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71
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72 int
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73 f9 (int x, int y)
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74 {
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75 return x % -(y & ~4);
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76 }
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77
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78 int
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79 f10 (int x, int y)
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80 {
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81 if (x != -__INT_MAX__ - 1)
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82 return x % -y;
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83 return 34;
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84 }
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85
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86 int
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87 f11 (int x, int y)
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88 {
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89 if (x >= -__INT_MAX__)
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90 return x % -y;
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91 return 34;
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92 }
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93
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94 int
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95 f12 (int x, int y)
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96 {
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97 if (y != -1)
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98 return x % -y;
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99 return 34;
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100 }
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101
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102 int
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103 f13 (int x, int y)
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104 {
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105 if (y >= 0)
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106 return x % -y;
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107 return 34;
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108 }
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109
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110 int
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111 f14 (int x, int y)
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112 {
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113 if (y < -1)
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114 return x % -y;
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115 return 34;
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116 }
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117
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118 int
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119 f15 (int x, int y)
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120 {
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121 if (y >= 0 && y <= 24)
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122 return x % -y;
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123 return 34;
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124 }
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125
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126 int
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127 f16 (int x, int y)
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128 {
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129 if (y > -17 && y < -1)
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130 return x % -y;
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131 return 34;
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132 }
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133
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134 int
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135 f17 (int x, int y)
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136 {
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137 if (y < -13 || y > 15)
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138 return x % -y;
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139 return 34;
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140 }
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