gcc/testsuite/c-c++-common/asan/red-align-1.c

   1 /* This tests aligment propagation to structure elem and
   2    abcense of redundant & 7.  */
   3
   4 /* { dg-options "-fdump-tree-sanopt" } */
   5 /* { dg-do compile } */
   6 /* { dg-skip-if "" { *-*-* } { "-flto" } { "" } } */
   7
   8 struct st {
   9   int a;
  10   int b;
  11   int c;
  12 } __attribute__((aligned(16)));
  13
  14 int foo (struct st * s_p)
  15 {
  16   return s_p->a;
  17 }
  18
  19 /* { dg-final { scan-tree-dump-times "& 7" 0 "sanopt" } } */
  20 /* { dg-final { cleanup-tree-dump "sanopt" } } */