gcc/testsuite/gcc.dg/tree-ssa/slsr-28.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fdump-tree-dom2" } */
   3
   4 struct x
   5 {
   6   int a[16];
   7   int b[16];
   8   int c[16];
   9 };
  10
  11 extern void foo (int, int, int);
  12
  13 void
  14 f (struct x *p, unsigned int n)
  15 {
  16   foo (p->a[n], p->c[n], p->b[n]);
  17   if (n > 12)
  18     foo (p->a[n], p->c[n], p->b[n]);
  19   else if (n > 3)
  20     foo (p->b[n], p->a[n], p->c[n]);
  21 }
  22
  23 /* { dg-final { scan-tree-dump-times "\\* 4;" 1 "dom2" { target { int32 } } } } */
  24 /* { dg-final { scan-tree-dump-times "\\* 2;" 1 "dom2" { target { int16 } } } } */
  25 /* { dg-final { scan-tree-dump-times "p_\\d\+\\(D\\) \\+ \[^\r\n\]*_\\d\+" 1 "dom2" } } */
  26 /* { dg-final { scan-tree-dump-times "MEM\\\[\\(struct x \\*\\)\[^\r\n\]*_\\d\+" 9 "dom2" } } */
  27 /* { dg-final { cleanup-tree-dump "dom2" } } */