gcc/testsuite/gcc.dg/tree-ssa/pr30375.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fdump-tree-dse" } */
   3
   4 typedef struct _s {
   5     int a;
   6     int b;
   7     int c;
   8     int d;
   9 } s;
  10
  11 extern void g(s*);
  12 extern void f(void);
  13
  14 void test_signed_msg_encoding(void)
  15 {
  16     s signInfo = { sizeof(signInfo), 0 };
  17
  18     signInfo.b = 1;
  19     signInfo.c = 0;
  20     g(&signInfo);
  21     signInfo.d = 0;
  22     f();
  23 }
  24
  25 /* { dg-final { scan-tree-dump-times "signInfo = {}" 1 "dse1" } } */
  26 /* { dg-final { cleanup-tree-dump "dse*" } } */