Subversion Repositories openrisc_2011-10-31

/* PR debug/41340 */

/* { dg-do compile } */

/* { dg-options "-O3 -g -fcompare-debug" } */

/* { dg-options "-O3 -g -fcompare-debug -march=i686" { target { { i?86-*-* x86_64-*-* } && ilp32 } } } */

/* { dg-skip-if "no long pointers" {  { ! ilp32 } && { ! lp64 } } } */

typedef struct { int t; } *T;

struct S1 { unsigned s1; };

struct S2 { struct S1 s2; };

struct S3 { unsigned s3; struct S2 **s4; };

struct S5 { struct S2 *s5; };

__extension__ typedef __INTPTR_TYPE__ ssize_t;

extern void fn0 (void) __attribute__ ((__noreturn__));

T fn6 (struct S3);

void fn7 (void);

static inline __attribute__((always_inline)) int

fn1 (const struct S1 *x)

{

  return x->s1;

}

static inline __attribute__((always_inline)) int

fn2 (const struct S1 *x, unsigned y)

{

  if (y >= x->s1)

    fn0 ();

  return 0;

}

static inline __attribute__((always_inline)) int

fn3 (struct S3 x)

{

  return (x.s3 == fn1 (*x.s4 ? &(*x.s4)->s2 : 0));

}

static inline __attribute__((always_inline)) int

fn4 (struct S3 x)

{

  return fn2 (&(*x.s4)->s2, x.s3);

}

int

fn5 (struct S3 x, T *y)

{

  if (!fn3 (x))

    {

      *y = (T) (ssize_t) fn4 (x);

      return 1;

    }

  return 0;

}

void

test (struct S5 *x)

{

  struct S3 a;

  T b;

  unsigned char c = 0;

  a.s4 = &x->s5;

  while (fn5 (a, &b))

    if (!(b->t & 8))

      c = 1;

  a.s4 = &x->s5;

  while ((b = fn6 (a)))

    ;

  if (!c)

    fn7 ();

}