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/* { dg-do compile } */

/* { dg-do compile } */

/* { dg-options "-O1 -fdump-tree-optimized" } */

/* { dg-options "-O1 -fdump-tree-optimized" } */

extern void link_error (void);

extern void link_error (void);

/*

/*

  test that a condition  is propagated  inside an if

  test that a condition  is propagated  inside an if

*/

*/

void test5 (int x)

void test5 (int x)

{

{

  extern int foo (int);

  extern int foo (int);

  if (x == 0)

  if (x == 0)

    foo (x);

    foo (x);

  else if (x == 0 )

  else if (x == 0 )

    link_error ();

    link_error ();

}

}

void test55 (int x, int y)

void test55 (int x, int y)

{

{

  int u;

  int u;

  if (x == 5 && y)

  if (x == 5 && y)

    {

    {

      u = x + 22;

      u = x + 22;

      if (u != 27)

      if (u != 27)

        link_error ();

        link_error ();

    }

    }

}

}

/* There should be not link_error calls, if there is any the

/* There should be not link_error calls, if there is any the

   optimization has failed */

   optimization has failed */

/* ??? Ug.  This one may or may not fail based on how fold decides

/* ??? Ug.  This one may or may not fail based on how fold decides

   that the && should be emitted (based on BRANCH_COST).  Fix this

   that the && should be emitted (based on BRANCH_COST).  Fix this

   by teaching dom to look through && and register all components

   by teaching dom to look through && and register all components

   as true.  */

   as true.  */

/* { dg-final { scan-tree-dump-times "link_error" 0 "optimized" { xfail { ! "powerpc*-*-* cris-*-* crisv32-*-* mmix-*-* mips*-*-* m68k*-*-* moxie-*-*" } } } } */

/* { dg-final { scan-tree-dump-times "link_error" 0 "optimized" { xfail { ! "powerpc*-*-* cris-*-* crisv32-*-* mmix-*-* mips*-*-* m68k*-*-* moxie-*-*" } } } } */

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

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