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 test (T *);
  18
  19 void
  20 foo1 (void)
  21 {
  22   T t;
  23   t = (T) { { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } };
  24   test (&t);
  25 }
  26
  27 void
  28 bar1 (void)
  29 {
  30   T t = { { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } };
  31   test (&t);
  32 }
  33
  34 void
  35 baz1 (void)
  36 {
  37   T t;
  38   t = (const T) { { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } };
  39   test (&t);
  40 }
  41
  42 void
  43 foo2 (void)
  44 {
  45   T t;
  46   t = (T) { { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 } };
  47   test (&t);
  48 }
  49
  50 void
  51 bar2 (void)
  52 {
  53   T t = { { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 } };
  54   test (&t);
  55 }
  56
  57 void
  58 baz2 (void)
  59 {
  60   T t;
  61   t = (const T) { { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 } };
  62   test (&t);
  63 }
  64
  65 void
  66 baz3 (void)
  67 {
  68   T t;
  69   t = (const T) (T) { { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 } };
  70   test (&t);
  71 }
  72
  73 /* { dg-final { scan-tree-dump-not "t = D" "gimple"} } */