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/* { dg-do compile } */

/* { dg-options "-O2" } */

/* { dg-require-effective-target tls } */

struct A

{

  int a1;

  int a2;

};

extern __thread const unsigned char *tcc1, **tcc2;

extern inline const unsigned char ** __attribute__ ((const))

foo (void)

{

  const unsigned char **a = &tcc1;

  if (*a == 0)

    *a = *tcc2 + 128;

  return a;

}

extern inline int

bar (const struct A *x)

{

  int a;

  if (x->a2 & 8)

    return 0;

  a = x->a1;

  return a > 0 && ((*foo ())[a] & 64);

}

int

baz (const struct A *x, char *y)

{

  const struct A *a;

  for (a = x; !!a->a1; a++)

    if (! (x->a2 & 8))

      if (bar (a))

        {

          *y++ = a->a1;

          if (x->a1)

            *y++ = ':';

          *y = '\0';

        }

  return 0;

}

/* Verify tcc1 and tcc2 variables show up only in the TLS access sequences.  */

/* { dg-final { scan-assembler "tcc1@" { target i?86-*-* x86_64-*-* } } } */

/* { dg-final { scan-assembler "tcc2@" { target i?86-*-* x86_64-*-* } } } */

/* { dg-final { scan-assembler-not "tcc1\[^@\]" { target i?86-*-* x86_64-*-* } } } */

/* { dg-final { scan-assembler-not "tcc2\[^@\]" { target i?86-*-* x86_64-*-* } } } */