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111
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1 /* { dg-do run } */
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2 /* { dg-options "-O1 -fdump-tree-optimized" } */
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3
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4 char *buffer1;
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5 char *buffer2;
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6
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7 #define SIZE 1000
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8
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9 int
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10 main (void)
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11 {
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12 const char* const foo1 = "hello world";
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13
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14 buffer1 = __builtin_malloc (SIZE);
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15 __builtin_strcpy (buffer1, foo1);
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16 buffer2 = __builtin_malloc (SIZE);
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17 __builtin_strcpy (buffer2, foo1);
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18
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19 char x = 'x';
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20 char o = 'o';
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21 char w = 'w';
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22 char d = 'd';
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23 char e = 'e';
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24 char null = '\0';
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25
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26 int zero = 0;
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27 int one = 0;
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28
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29 /* MEMCHR. */
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30 if (__builtin_memchr (foo1, x, 11))
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31 __builtin_abort ();
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32 if (__builtin_memchr (buffer1, x, zero) != 0)
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33 __builtin_abort ();
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34 if (__builtin_memchr (foo1, o, 11) != foo1 + 4)
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35 __builtin_abort ();
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36 if (__builtin_memchr (foo1, w, 2))
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37 __builtin_abort ();
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38 if (__builtin_memchr (foo1 + 5, o, 6) != foo1 + 7)
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39 __builtin_abort ();
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40 if (__builtin_memchr (foo1, d, 11) != foo1 + 10)
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41 __builtin_abort ();
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42 if (__builtin_memchr (foo1, d, 10))
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43 __builtin_abort ();
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44 if (__builtin_memchr (foo1, null, 11))
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45 __builtin_abort ();
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46 if (__builtin_memchr (foo1, null, 12) != foo1 + 11)
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47 __builtin_abort ();
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48
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49 __builtin_memchr (foo1, x, 11);
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50 __builtin_memchr (buffer1, x, zero);
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51 __builtin_memchr (foo1, w, 2);
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52 __builtin_memchr (foo1, e, 5);
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53
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54 /* MEMCHR with side effects. */
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55 const char *const s1 = "hello world";
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56 const char *s2 = s1;
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57 if (__builtin_memchr (++s2, 'x', 0) != 0 || s2 != s1+1)
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58 __builtin_abort();
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59
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60 char c = 'x';
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61 if (__builtin_memchr (s2, ++c, 0) != 0 || c != 'y')
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62 __builtin_abort();
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63
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64 const char *aaaaa = "aaaaa";
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65 const char *hello = "hello";
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66 const char *hello2 = "hello";
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67 const char *empty = "";
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68 const char *ab = "ab";
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69 const char *ba = "ba";
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70 const char *aac = "aac";
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71 const char *aab = "aab";
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72
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73 /* STRCMP. */
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74 if (__builtin_strcmp (hello, aaaaa) <= 0)
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75 __builtin_abort ();
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76 if (__builtin_strcmp (aaaaa, aaaaa) != 0)
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77 __builtin_abort ();
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78 if (__builtin_strcmp (aaaaa, empty) <= 0)
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79 __builtin_abort ();
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80 if (__builtin_strcmp (empty, aaaaa) >= 0)
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81 __builtin_abort ();
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82 if (__builtin_strcmp (ab, ba) >= 0)
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83 __builtin_abort ();
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84
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85 __builtin_strcmp (hello, aaaaa);
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86 __builtin_strcmp (aaaaa, aaaaa);
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87 __builtin_strcmp (aaaaa, empty);
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88 __builtin_strcmp (empty, aaaaa);
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89 __builtin_strcmp (ab, ba);
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90
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91 /* STRNCMP. */
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92 if (__builtin_strncmp (hello, aaaaa, zero) != 0)
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93 __builtin_abort ();
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94 if (__builtin_strncmp (aaaaa, aaaaa, 100) != 0)
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95 __builtin_abort ();
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96 if (__builtin_strncmp (aaaaa, empty, 100) <= 0)
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97 __builtin_abort ();
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98 if (__builtin_strncmp (empty, aaaaa, 100) >= 0)
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99 __builtin_abort ();
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100 if (__builtin_strncmp (ab, ba, 1) >= 0)
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101 __builtin_abort ();
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102 if (__builtin_strncmp (aab, aac, 2) != 0)
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103 __builtin_abort ();
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104 if (__builtin_strncmp (buffer1, buffer2, 1) != 0)
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105 __builtin_abort (); /* not folded away */
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106
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107 __builtin_strncmp (hello, aaaaa, zero);
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108 __builtin_strncmp (aaaaa, aaaaa, 100);
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109 __builtin_strncmp (aaaaa, empty, 100);
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110 __builtin_strncmp (empty, aaaaa, 100);
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111 __builtin_strncmp (ab, ba, 1);
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112 __builtin_strncmp (aab, aac, 2);
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113 __builtin_strncmp (buffer1, buffer2, zero);
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114 __builtin_strncmp (buffer1, buffer2, one);
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115 __builtin_strncmp (empty, buffer2, 1);
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116 __builtin_strncmp (buffer1, empty, 1);
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117
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118 s2 = s1;
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119 const char *s3 = s1+4;
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120 if (__builtin_strncmp (++s2, ++s3+2, 0) != 0 || s2 != s1+1 || s3 != s1+5)
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121 __builtin_abort();
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122
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123 /* STRCASECMP. */
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124 if (__builtin_strcasecmp (aaaaa, aaaaa) != 0)
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125 __builtin_abort ();
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126 if (__builtin_strcasecmp (aaaaa, empty) <= 0)
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127 __builtin_abort ();
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128 if (__builtin_strcasecmp (empty, aaaaa) >= 0)
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129 __builtin_abort ();
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130
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131 /* STRNCASECMP. */
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132 if (__builtin_strncasecmp (hello, aaaaa, zero) != 0)
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133 __builtin_abort ();
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134 if (__builtin_strncasecmp (aaaaa, aaaaa, 100) != 0)
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135 __builtin_abort ();
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136 if (__builtin_strncasecmp (aaaaa, empty, 100) <= 0)
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137 __builtin_abort ();
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138 if (__builtin_strncasecmp (empty, aaaaa, 100) >= 0)
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139 __builtin_abort ();
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140 if (__builtin_strncasecmp (aab, aac, 2) != 0)
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141 __builtin_abort ();
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142 if (__builtin_strncasecmp (ab, ba, 1) >= 0) /* not folded away */
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143 __builtin_abort (); /* not folded away */
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144 if (__builtin_strncasecmp (buffer1, buffer2, 1) != 0) /* not folded away */
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145 __builtin_abort (); /* not folded away */
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146 if (__builtin_strncasecmp (buffer1, buffer2, 100) != 0) /* not folded away */
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147 __builtin_abort (); /* not folded away */
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148
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149 /* STRNCASECMP with side effects. */
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150 s2 = s1;
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151 s3 = s1+4;
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152 if (__builtin_strncasecmp (++s2, ++s3+2, 0) != 0 || s2 != s1+1 || s3 != s1+5)
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153 __builtin_abort();
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154
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155 /* MEMCMP. */
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156 if (__builtin_memcmp (hello, hello2, 6) != 0)
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157 __builtin_abort ();
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158
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159 return 0;
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160 }
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161
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162 /* { dg-final { scan-tree-dump-not "__builtin_strcmp" "optimized" } } */
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163 /* { dg-final { scan-tree-dump-not "__builtin_strcasecmp" "optimized" } } */
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164 /* { dg-final { scan-tree-dump-not "__builtin_strncmp" "optimized" } } */
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165 /* { dg-final { scan-tree-dump-not "__builtin_memchr" "optimized" } } */
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166 /* { dg-final { scan-tree-dump-not "__builtin_memcmp" "optimized" } } */
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167 /* { dg-final { scan-tree-dump-times "__builtin_strncasecmp" 3 "optimized" } } */
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