File: slsr-28.c

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gcc-arm-none-eabi 15%3A8-2019-q3-1
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/* { dg-do compile } */
/* { dg-options "-O2 -fdump-tree-dom3" } */

struct x
{
  int a[16];
  int b[16];
  int c[16];
};

extern void foo (int, int, int);

void
f (struct x *p, unsigned int n)
{
  foo (p->a[n], p->c[n], p->b[n]);
  if (n > 12)
    foo (p->a[n], p->c[n], p->b[n]);
  else if (n > 3)
    foo (p->b[n], p->a[n], p->c[n]);
}

/* { dg-final { scan-tree-dump-times "\\* 4;" 1 "dom3" { target { int32 } } } } */
/* { dg-final { scan-tree-dump-times "\\* 2;" 1 "dom3" { target { int16 } } } } */
/* { dg-final { scan-tree-dump-times "p_\\d\+\\(D\\) \\+ \[^\r\n\]*_\\d\+" 1 "dom3" } } */
/* { dg-final { scan-tree-dump-times "MEM\\\[\\(struct x \\*\\)\[^\r\n\]*_\\d\+" 9 "dom3" } } */