gomp-20050608-branch/gcc/testsuite/gcc.dg/torture/nested-fn-1.c

   1 /* PR middle-end/15345, c/16450 */
   2 /* Test whether unused nested functions aren't emitted into the assembly.  */
   3 /* { dg-do compile } */
   4 /* { dg-options "-g0" } */
   5
   6 int
   7 fn1 (int x)
   8 {
   9   int i = x;
  10   inline __attribute__((always_inline)) int
  11   should_not_appear1 (void)
  12   {
  13     return i;
  14   }
  15   return should_not_appear1 ();
  16 }
  17
  18 int
  19 fn2 (int x)
  20 {
  21   int i = x;
  22   inline __attribute__((always_inline)) int
  23   should_not_appear2 (void)
  24   {
  25     return i;
  26   }
  27   return x;
  28 }
  29
  30 extern void check (void *p);
  31
  32 int
  33 fn3 (int x)
  34 {
  35   int i = x;
  36   inline int
  37   should_appear1 (void)
  38   {
  39     char *p = __builtin_alloca (i);
  40     check (p);
  41     return i;
  42   }
  43   return should_appear1 ();
  44 }
  45
  46 int
  47 fn4 (int x)
  48 {
  49   int i = x;
  50   inline int
  51   should_not_appear3 (void)
  52   {
  53     char *p = __builtin_alloca (i);
  54     check (p);
  55     return i;
  56   }
  57   return 0 ? should_not_appear3 () : 1;
  58 }
  59
  60 int
  61 fn5 (int x)
  62 {
  63   int i = x;
  64   inline int
  65   should_appear2 (void)
  66   {
  67     return i;
  68   }
  69   check (should_appear2);
  70   return i;
  71 }
  72
  73 /* { dg-final { scan-assembler-not "should_not_appear" } } */