gcc/testsuite/c-c++-common/cilk-plus/CK/Wparentheses-1.c

   1 /* PR c/70436 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-fcilkplus -Wparentheses" } */
   4 /* { dg-additional-options "-std=gnu99" { target c } } */
   5
   6 int a, b, c;
   7 void bar (void);
   8 void baz (void);
   9
  10 void
  11 f1 (void)
  12 {
  13   if (a) /* { dg-warning "ambiguous" } */
  14     _Cilk_for (int i = 0; i < 10; i++)
  15       if (b)
  16         bar ();
  17       else
  18         baz ();
  19
  20   if (a)
  21     _Cilk_for (int i = 0; i < 10; i++)
  22       {
  23         if (b)
  24           bar ();
  25         else
  26           baz ();
  27       }
  28
  29   if (a)
  30     _Cilk_for (int i = 0; i < 10; i++)
  31       {
  32         if (b)
  33           bar ();
  34       }
  35   else
  36     baz ();
  37 }
  38
  39 void
  40 f2 (void)
  41 {
  42   if (a) /* { dg-warning "ambiguous" } */
  43     #pragma cilk grainsize = 2
  44     _Cilk_for (int i = 0; i < 10; i++)
  45       if (b)
  46         bar ();
  47       else
  48         baz ();
  49
  50   if (a)
  51     #pragma cilk grainsize = 2
  52     _Cilk_for (int i = 0; i < 10; i++)
  53       {
  54         if (b)
  55           bar ();
  56         else
  57           baz ();
  58       }
  59
  60   if (a)
  61     #pragma cilk grainsize = 2
  62     _Cilk_for (int i = 0; i < 10; i++)
  63       {
  64         if (b)
  65           bar ();
  66       }
  67   else
  68     baz ();
  69 }