File: ssa-dom-cse-6.c

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gcc-arm-none-eabi 15%3A8-2019-q3-1
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/* Test normalization of ARRAY_REF expressions to MEM_REFs in dom.  */
/* { dg-do compile } */
/* { dg-options "-O1 -fno-tree-fre -fdump-tree-dom2" } */

int
main (int argc, char **argv)
{
  union {
    int a[4];
    int b[2];
  } u;
  u.a[0] = 1;
  u.a[1] = 42;
  u.a[2] = 3;
  u.a[3] = 4;
  __builtin_printf ("%d\n", u.a[argc]);
  return u.b[1];
}

/* { dg-final { scan-tree-dump-times "return 42;" 1 "dom2" } } */