Subversion Repositories openrisc

/* { dg-do compile } */

/* { dg-options "-O2 -fdump-tree-vrp1" } */

extern void abort (void) __attribute__ ((__noreturn__));

union tree_node;

typedef union tree_node *tree;

enum tree_code

{

  ERROR_MARK,

  COND_EXPR = 42,

};

extern const unsigned char tree_code_length[];

struct tree_common

{

  enum tree_code code:8;

};

union tree_node

{

  struct tree_common common;

};

void

blah (tree t)

{

  if (t->common.code != COND_EXPR)

    abort ();

  if (1 >= tree_code_length[t->common.code])

    abort ();

}

/* { dg-final { scan-tree-dump-times "tree_code_length.42." 1 "vrp1" } } */

/* { dg-final { cleanup-tree-dump "vrp1" } } */