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131
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1 // Bug c++/84617 - new test cases g++.dg/ext/attr-const.C and
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2 // g++.dg/ext/attr-pure.C fail
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3 // { dg-do compile }
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4 // { dg-options "-O -Wall -fdump-tree-optimized" }
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5
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6 static char a[8];
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7
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8 void* __attribute__ ((malloc))
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9 func_malloc_none (unsigned);
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10
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11 void*
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12 func_alloc_none (unsigned); // redeclare with no attribute
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13
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14 void func_malloc_none_failed ();
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15
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16 void test_func_malloc_none (void)
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17 {
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18 void *p = func_malloc_none (1);
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19 if (!p)
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20 return;
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21
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22 if (p == a) // must be false
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23 func_malloc_none_failed (); // should be eliminated
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24
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25 // Verify that the call to func_malloc_none_failed() is eliminated.
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26 // { dg-final { scan-tree-dump-not "func_malloc_none_failed" "optimized" } }
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27 }
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28
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29
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30 void*
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31 func_none_malloc (unsigned);
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32
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33 void* __attribute__ ((malloc))
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34 func_none_malloc (unsigned); // redeclare with an attribute
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35
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36 void func_none_malloc_failed ();
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37
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38 void test_func_none_malloc (void)
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39 {
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40 void *p = func_none_malloc (1);
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41 if (!p)
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42 return;
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43
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44 if (p == a) // must be false
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45 func_none_malloc_failed (); // should be eliminated
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46
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47 // Verify that the call to func_none_malloc_failed() is eliminated.
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48 // { dg-final { scan-tree-dump-not "func_none_malloc_failed" "optimized" } }
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49 }
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50
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51
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52 template <class>
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53 void* __attribute__ ((malloc))
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54 templ_malloc_none (unsigned);
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55
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56 template <class>
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57 void*
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58 templ_malloc_none (unsigned); // redeclare with no attribute
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59
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60 void templ_malloc_none_failed ();
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61
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62 void test_templ_malloc_none (void)
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63 {
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64 void *p = templ_malloc_none<void>(1);
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65 if (!p)
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66 return;
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67
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68 if (p == a) // must be false
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69 templ_malloc_none_failed (); // should be eliminated
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70
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71 // Verify that the call to templ_malloc_none_failed() is eliminated.
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72 // { dg-final { scan-tree-dump-not "templ_malloc_none_failed" "optimized" } }
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73 }
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74
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75 template <class>
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76 void*
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77 templ_none_malloc (unsigned);
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78
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79 template <class>
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80 void* __attribute__ ((malloc))
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81 templ_none_malloc (unsigned); // redeclared with an attribute
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82
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83 void templ_none_malloc_failed ();
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84
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85 void test_templ_none_malloc (void)
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86 {
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87 void *p = templ_none_malloc<void>(1);
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88 if (!p)
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89 return;
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90
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91 if (p == a) // must be false
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92 templ_none_malloc_failed (); // should be eliminated
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93
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94 // Verify that the call to templ_none_malloc_failed() is eliminated.
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95 // { dg-final { scan-tree-dump-not "templ_none_malloc_failed" "optimized" } }
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96 }
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