gcc/testsuite/gcc.dg/tree-ssa/pr33723.c

   1 /* PR tree-optimization/33723 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-O2 -fdump-tree-gimple" } */
   4
   5 typedef union
   6 {
   7   struct
   8   {
   9     int f1, f2, f3, f4, f5, f6, f7, f8;
  10     long int f9, f10;
  11     int f11;
  12   } f;
  13   char s[4];
  14   long int a;
  15 } T;
  16
  17 void
  18 foo1 (void)
  19 {
  20   T t;
  21   t = (T) { { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } };
  22   test (&t);
  23 }
  24
  25 void
  26 bar1 (void)
  27 {
  28   T t = { { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } };
  29   test (&t);
  30 }
  31
  32 void
  33 baz1 (void)
  34 {
  35   T t;
  36   t = (const T) { { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } };
  37   test (&t);
  38 }
  39
  40 void
  41 foo2 (void)
  42 {
  43   T t;
  44   t = (T) { { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 } };
  45   test (&t);
  46 }
  47
  48 void
  49 bar2 (void)
  50 {
  51   T t = { { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 } };
  52   test (&t);
  53 }
  54
  55 void
  56 baz2 (void)
  57 {
  58   T t;
  59   t = (const T) { { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 } };
  60   test (&t);
  61 }
  62
  63 void
  64 baz3 (void)
  65 {
  66   T t;
  67   t = (const T) (T) { { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 } };
  68   test (&t);
  69 }
  70
  71 /* { dg-final { scan-tree-dump-not "t = D" "gimple"} } */
  72 /* { dg-final { cleanup-tree-dump "gimple" } } */