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annotate gcc/testsuite/gcc.dg/analyzer/conditionals-trans.c @ 145:1830386684a0

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gcc-9.2.0
author anatofuz
date Thu, 13 Feb 2020 11:34:05 +0900
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145
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1 /* { dg-additional-options "-fanalyzer-transitivity" } */
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2 #include "analyzer-decls.h"
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3
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4 void test (int i, int j)
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5 {
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6 if (i > 4)
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7 {
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8 __analyzer_eval (i > 4); /* { dg-warning "TRUE" } */
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9 __analyzer_eval (i <= 4); /* { dg-warning "FALSE" } */
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10 __analyzer_eval (i > 3); /* { dg-warning "TRUE" } */
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11
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12 __analyzer_eval (i > 5); /* { dg-warning "UNKNOWN" } */
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13 __analyzer_eval (i != 3); /* { dg-warning "TRUE" } */
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14
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15 __analyzer_eval (i == 3); /* { dg-warning "FALSE" } */
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16
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17 __analyzer_eval (i != 4); /* { dg-warning "TRUE" } */
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18 __analyzer_eval (i == 4); /* { dg-warning "FALSE" } */
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19 __analyzer_eval (i == 5); /* { dg-warning "UNKNOWN" } */
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20 __analyzer_eval (i != 5); /* { dg-warning "UNKNOWN" } */
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21 __analyzer_eval (i < 5); /* { dg-warning "FALSE" } */
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22 __analyzer_eval (i <= 5); /* { dg-warning "UNKNOWN" } */
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23
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24 /* Tests of transitivity. */
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25 if (j < i)
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26 {
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27 __analyzer_eval (j < i); /* { dg-warning "TRUE" } */
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28 __analyzer_eval (j <= 4); /* { dg-warning "UNKNOWN" } */
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29 }
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30 else
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31 {
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32 __analyzer_eval (j >= i); /* { dg-warning "TRUE" } */
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33 __analyzer_eval (j > 4); /* { dg-warning "TRUE" } */
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34 }
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35 }
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36 else
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37 {
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38 __analyzer_eval (i > 4); /* { dg-warning "FALSE" } */
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39 __analyzer_eval (i <= 4); /* { dg-warning "TRUE" } */
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40 __analyzer_eval (i > 3); /* { dg-warning "UNKNOWN" } */
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41
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42 __analyzer_eval (i > 5); /* { dg-warning "FALSE" } */
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43 __analyzer_eval (i != 3); /* { dg-warning "UNKNOWN" } */
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44
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45 __analyzer_eval (i == 3); /* { dg-warning "UNKNOWN" } */
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46
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47 __analyzer_eval (i != 4); /* { dg-warning "UNKNOWN" } */
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48 __analyzer_eval (i == 4); /* { dg-warning "UNKNOWN" } */
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49 __analyzer_eval (i == 5); /* { dg-warning "FALSE" } */
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50 __analyzer_eval (i != 5); /* { dg-warning "TRUE" } */
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51 __analyzer_eval (i < 5); /* { dg-warning "TRUE" } */
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52 __analyzer_eval (i <= 5); /* { dg-warning "TRUE" } */
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53 }
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54 }
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55
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56 void test_2 (int i, int j, int k)
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57 {
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58 if (i >= j)
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59 {
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60 __analyzer_eval (i == k); /* { dg-warning "UNKNOWN" } */
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61 if (j >= k)
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62 {
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63 __analyzer_eval (i >= k); /* { dg-warning "TRUE" } */
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64 __analyzer_eval (i == k); /* { dg-warning "UNKNOWN" } */
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65 if (k >= i)
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66 __analyzer_eval (i == k); /* { dg-warning "TRUE" } */
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67 }
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68 }
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69 }
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70
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71 void test_3 (int flag, unsigned int i)
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72 {
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73 if (!flag) {
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74 return;
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75 }
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76
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77 __analyzer_eval (flag); /* { dg-warning "TRUE" } */
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78
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79 if (i>0) {
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80 __analyzer_eval (i > 0); /* { dg-warning "TRUE" } */
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81 __analyzer_eval (flag); /* { dg-warning "TRUE" } */
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82 } else {
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83 __analyzer_eval (i <= 0); /* { dg-warning "TRUE" } */
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84 __analyzer_eval (flag); /* { dg-warning "TRUE" } */
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85 }
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86
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87 __analyzer_eval (flag); /* { dg-warning "TRUE" } */
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88 }
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89
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90 void test_range_int_gt_lt (int i)
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91 {
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92 if (i > 3)
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93 if (i < 5)
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94 __analyzer_eval (i == 4); /* { dg-warning "TRUE" } */
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95 }
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96
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97 void test_range_float_gt_lt (float f)
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98 {
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99 if (f > 3)
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100 if (f < 5)
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101 __analyzer_eval (f == 4); /* { dg-warning "UNKNOWN" } */
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102 }
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103
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104 void test_range_int_ge_lt (int i)
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105 {
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106 if (i >= 4)
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107 if (i < 5)
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108 __analyzer_eval (i == 4); /* { dg-warning "TRUE" } */
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109 }
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110
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111 void test_range_float_ge_lt (float f)
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112 {
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113 if (f >= 4)
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114 if (f < 5)
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115 __analyzer_eval (f == 4); /* { dg-warning "UNKNOWN" } */
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116 }
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117
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118 void test_range_int_gt_le (int i)
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119 {
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120 if (i > 3)
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121 if (i <= 4)
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122 __analyzer_eval (i == 4); /* { dg-warning "TRUE" } */
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123 }
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124
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125 void test_range_float_gt_le (float f)
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126 {
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127 if (f > 3)
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128 if (f <= 4)
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129 __analyzer_eval (f == 4); /* { dg-warning "UNKNOWN" } */
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130 }
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131
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132 void test_range_int_ge_le (int i)
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133 {
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134 if (i >= 4)
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135 if (i <= 4)
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136 __analyzer_eval (i == 4); /* { dg-warning "TRUE" } */
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137 }
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138
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139 void test_range_float_ge_le (float f)
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140 {
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141 if (f >= 4)
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142 if (f <= 4)
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143 __analyzer_eval (f == 4); /* { dg-warning "TRUE" "PR 93356" { xfail *-*-* } } */
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144 /* { dg-warning "UNKNOWN" "disabled float comparisons" { target *-*-* } .-1 } */
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145 }
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146
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147 void test_float_selfcmp (float f)
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148 {
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149 __analyzer_eval (f == f); /* { dg-warning "UNKNOWN" } */
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150 __analyzer_eval (f != f); /* { dg-warning "UNKNOWN" } */
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151 }