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/* { dg-do compile } */

/* { dg-options "-O3 -fdump-tree-local-pure-const1 -fdump-ipa-pure-const -fdump-tree-optimized -fno-early-inlining" } */

void abort (void);

int error_code;

static int val;

__attribute__ ((noinline, noclone))

static int

i_am_pure1 (int a)

{

  if (a > 50)

    abort ();

  return a;

}

__attribute__ ((noinline, noclone))

static int

i_am_const2 (int a)

{

  return a+val;

}

__attribute__ ((noinline, noclone))

int

call_me(int a)

{

  return a;

}

inline int

call_callback(int (*fn)(int), int a)

{

  return fn(a);

}

__attribute__ ((noinline, noclone))

i_am_const3(int a)

{

  return call_callback (call_me, a);

}

__attribute__ ((noinline))

explode_badly()

{

  error_code = 0xbad;

  abort ();

}

__attribute__ ((noinline, noclone))

i_am_pure4(int a)

{

  if (a > 50)

    explode_badly ();

  return a;

}

test()

{

  int s;

  s = i_am_pure1(5);

  s += i_am_pure1(5);

  s += i_am_const2(5);

  s += i_am_const2(5);

  s += i_am_const3(5);

  s += i_am_const3(5);

  s += i_am_pure4(5);

  s += i_am_pure4(5);

  return s;

}

/* { dg-final { scan-tree-dump-times "i_am_pure1 .5" 1 "optimized"} } */

/* { dg-final { scan-tree-dump-times "i_am_const2 .5" 1 "optimized"} } */

/* { dg-final { scan-tree-dump-times "i_am_const3 .5" 1 "optimized"} } */

/* { dg-final { scan-tree-dump-times "i_am_pure4 .5" 1 "optimized"} } */

/* { dg-final { scan-tree-dump "found to be looping pure: i_am_pure1" "local-pure-const1"} } */

/* { dg-final { scan-tree-dump "found to be looping pure: i_am_pure4" "local-pure-const1"} } */

/* { dg-final { scan-ipa-dump "found to be const: i_am_const2" "pure-const"} } */

/* { dg-final { scan-ipa-dump "found to be const: i_am_const3" "pure-const"} } */

/* { dg-final { cleanup-tree-dump "local-pure-const1" } } */

/* { dg-final { cleanup-tree-dump "optimized" } } */

/* { dg-final { cleanup-ipa-dump "pure-const" } } */