gcc/testsuite/gcc.c-torture/execute/20010122-1.c

   1
   2 extern void exit (int);
   3 extern void abort (void);
   4 extern void *alloca (__SIZE_TYPE__);
   5 char *dummy (void);
   6
   7 #define NOINLINE __attribute__((noinline))
   8
   9 void *save_ret1[6];
  10 void *test4a (char *);
  11 void *test5a (char *);
  12 void *test6a (char *);
  13
  14 void NOINLINE *test1 (void)
  15 {
  16   void * temp;
  17   temp = __builtin_return_address (0);
  18   return temp;
  19 }
  20
  21 void NOINLINE *test2 (void)
  22 {
  23   void * temp;
  24   dummy ();
  25   temp = __builtin_return_address (0);
  26   return temp;
  27 }
  28
  29 void NOINLINE *test3 (void)
  30 {
  31   void * temp;
  32   temp = __builtin_return_address (0);
  33   dummy ();
  34   return temp;
  35 }
  36
  37 void NOINLINE *test4 (void)
  38 {
  39   char * save = (char*) alloca (4);
  40
  41   return test4a (save);
  42 }
  43
  44 void *NOINLINE test4a (char * p)
  45 {
  46   void * temp;
  47   temp = __builtin_return_address (1);
  48   return temp;
  49 }
  50
  51 void NOINLINE *test5 (void)
  52 {
  53   char * save = (char*) alloca (4);
  54
  55   return test5a (save);
  56 }
  57
  58 void NOINLINE *test5a (char * p)
  59 {
  60   void * temp;
  61   dummy ();
  62   temp = __builtin_return_address (1);
  63   return temp;
  64 }
  65
  66 void NOINLINE *test6 (void)
  67 {
  68   char * save = (char*) alloca (4);
  69
  70   return test6a (save);
  71 }
  72
  73 void NOINLINE *test6a (char * p)
  74 {
  75   void * temp;
  76   temp = __builtin_return_address (1);
  77   dummy ();
  78   return temp;
  79 }
  80
  81 void *(*func1[6])(void) = { test1, test2, test3, test4, test5, test6 };
  82
  83 char * NOINLINE call_func1 (int i)
  84 {
  85   save_ret1[i] = func1[i] ();
  86 }
  87
  88 static void *ret_addr;
  89 void *save_ret2[6];
  90 void test10a (char *);
  91 void test11a (char *);
  92 void test12a (char *);
  93
  94 void NOINLINE test7 (void)
  95 {
  96   ret_addr = __builtin_return_address (0);
  97   return;
  98 }
  99
 100 void NOINLINE test8 (void)
 101 {
 102   dummy ();
 103   ret_addr = __builtin_return_address (0);
 104   return;
 105 }
 106
 107 void NOINLINE test9 (void)
 108 {
 109   ret_addr = __builtin_return_address (0);
 110   dummy ();
 111   return;
 112 }
 113
 114 void NOINLINE test10 (void)
 115 {
 116   char * save = (char*) alloca (4);
 117
 118   test10a (save);
 119 }
 120
 121 void NOINLINE test10a (char * p)
 122 {
 123   ret_addr = __builtin_return_address (1);
 124   return;
 125 }
 126
 127 void NOINLINE test11 (void)
 128 {
 129   char * save = (char*) alloca (4);
 130
 131   test11a (save);
 132 }
 133
 134 void NOINLINE test11a (char * p)
 135 {
 136   dummy ();
 137   ret_addr = __builtin_return_address (1);
 138   return;
 139 }
 140
 141 void NOINLINE test12 (void)
 142 {
 143   char * save = (char*) alloca (4);
 144
 145   test12a (save);
 146 }
 147
 148 void NOINLINE test12a (char * p)
 149 {
 150   ret_addr = __builtin_return_address (1);
 151   dummy ();
 152   return;
 153 }
 154
 155 char * dummy (void)
 156 {
 157   char * save = (char*) alloca (4);
 158
 159   return save;
 160 }
 161
 162 void (*func2[6])(void) = { test7, test8, test9, test10, test11, test12 };
 163
 164 void NOINLINE call_func2 (int i)
 165 {
 166   func2[i] ();
 167   save_ret2[i] = ret_addr;
 168 }
 169
 170 int main (void)
 171 {
 172   int i;
 173
 174   for (i = 0; i < 6; i++) {
 175     call_func1(i);
 176   }
 177
 178   if (save_ret1[0] != save_ret1[1]
 179       || save_ret1[1] != save_ret1[2])
 180     abort ();
 181   if (save_ret1[3] != save_ret1[4]
 182       || save_ret1[4] != save_ret1[5])
 183     abort ();
 184   if (save_ret1[3] && save_ret1[0] != save_ret1[3])
 185     abort ();
 186
 187
 188   for (i = 0; i < 6; i++) {
 189     call_func2(i);
 190   }
 191
 192   if (save_ret2[0] != save_ret2[1]
 193       || save_ret2[1] != save_ret2[2])
 194     abort ();
 195   if (save_ret2[3] != save_ret2[4]
 196       || save_ret2[4] != save_ret2[5])
 197     abort ();
 198   if (save_ret2[3] && save_ret2[0] != save_ret2[3])
 199     abort ();
 200
 201   exit (0);
 202 }