gcc/testsuite/gcc.dg/pr86010.c


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/* { dg-do compile } */
/* { dg-options "-O2 -fdump-tree-optimized" } */

void f (void*);

void g (void)
{
  char a[8];
  __builtin_memset (a, 0, 8);
  __builtin_memset (a, 0, 8);

  f (a);
}

void h (void)
{
  char a[8];
  __builtin_memset (a, 0, 8);
  __builtin_memset (a, 0, 7);

  f (a);
}

/* { dg-final { scan-tree-dump-times "__builtin_memset" 2 "optimized" } } */