gcc/testsuite/gcc.dg/torture/pr94516.c

   1 /* PR rtl-optimization/94516 */
   2 /* { dg-do run } */
   3 /* { dg-additional-options "-fpie" { target pie } } */
   4
   5 struct S { unsigned char *a; unsigned int b; };
   6 typedef int V __attribute__((vector_size (sizeof (int) * 4)));
   7
   8 __attribute__((noipa)) void
   9 foo (const char *a, const char *b, const char *c, const struct S *d, int e, int f, int g, int h, int i)
  10 {
  11   V v = { 1, 2, 3, 4 };
  12   asm volatile ("" : : "g" (&v) : "memory");
  13   v += (V) { 5, 6, 7, 8 };
  14   asm volatile ("" : : "g" (&v) : "memory");
  15 }
  16
  17 __attribute__((noipa)) void
  18 bar (void)
  19 {
  20   const struct S s = { "foobarbaz", 9 };
  21   foo ("foo", (const char *) 0, "corge", &s, 0, 1, 0, -12, -31);
  22   foo ("bar", "quux", "qux", &s, 0, 0, 9, 0, 0);
  23   foo ("baz", (const char *) 0, "qux", &s, 1, 0, 0, -12, -32);
  24 }
  25
  26 int
  27 main ()
  28 {
  29   bar ();
  30   return 0;
  31 }