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/* { dg-do compile } */

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

/* This file was automatically reduced from tree-ssa-operands.c.  It

   contains many warnings, but it exposes a copy propagation bug that

   is somewhat difficult to reproduce otherwise.  */

__extension__ typedef __SIZE_TYPE__ size_t;

  extern void fancy_abort (const char *, int, const char *) __attribute__ ((__noreturn__));

  typedef union tree_node *tree;

  enum tree_code {

 TREE_LIST, ARRAY_TYPE, RECORD_TYPE, UNION_TYPE, QUAL_UNION_TYPE, STRING_CST, LT_EXPR, GE_EXPR, LABEL_EXPR, ASM_EXPR, SSA_NAME, };

  enum tree_code_class {

   tcc_type,   tcc_reference,   tcc_expression };

  extern const enum tree_code_class tree_code_type[];

  extern const unsigned char tree_code_length[];

  struct tree_common {

   union tree_ann_d *ann;

   __extension__ enum tree_code code : 8;

 };

  struct tree_string {

   char str[1];

 };

  struct tree_list {

   tree purpose;

   tree value;

 };

  struct tree_exp {

   tree     operands[1];

 };

  typedef struct ssa_use_operand_d {

   struct ssa_use_operand_d* prev;

   struct ssa_use_operand_d* next;

   tree stmt;

   tree * use;

 }

  ssa_use_operand_t;

  struct tree_ssa_name {

   struct ssa_use_operand_d imm_uses;

 };

  union tree_node {

   struct tree_common common;

   struct tree_string string;

   struct tree_list list;

   struct tree_exp exp;

   struct tree_ssa_name ssa_name;

 };

  typedef struct bitmap_head_def *bitmap;

  typedef union varray_data_tag {

   char c[1];

   int i[1];

   tree * tp[1];

 }

  varray_data;

  struct varray_head_tag {

   size_t num_elements;

   size_t elements_used;

   varray_data data;

 };

  typedef struct varray_head_tag *varray_type;

  extern void varray_check_failed (varray_type, size_t, const char *, int,      const char *) __attribute__ ((__noreturn__));

  typedef ssa_use_operand_t *use_operand_p;

  struct use_optype_d {

   struct use_optype_d *next;

   struct ssa_use_operand_d use_ptr;

 };

  typedef struct use_optype_d *use_optype_p;

  struct ssa_operand_memory_d {

   char mem[(2048 - sizeof (void *))];

 };

  struct stmt_operands_d {

   struct use_optype_d * use_ops;

 };

  struct ptr_info_def {

   tree name_mem_tag;

 };

  typedef struct subvar *subvar_t;

  struct var_ann_d {

   size_t uid;

 };

  struct stmt_ann_d {

   unsigned modified : 1;

   struct stmt_operands_d operands;

   bitmap addresses_taken;

 };

  typedef struct var_ann_d *var_ann_t;

  typedef struct stmt_ann_d *stmt_ann_t;

  static __inline__ var_ann_t var_ann (tree t) {

 }

  static __inline__ stmt_ann_t stmt_ann (tree t) {

   ((void)(!(is_gimple_stmt (t)) ? fancy_abort ("/home/cygnus/dnovillo/gcc/src.ppc64/gcc/tree-flow-inline.h", 55, __FUNCTION__), 0 : 0));

   return (stmt_ann_t) t->common.ann;

 }

  static __inline__ unsigned char stmt_modified_p (tree t) {

   stmt_ann_t ann = stmt_ann (t);

   return ann ? ann->modified : 1;

 }

  static __inline__ void delink_imm_use (ssa_use_operand_t *linknode) {

   if (linknode->prev == ((void *)0))     return;

   linknode->prev->next = linknode->next;

   linknode->next->prev = linknode->prev;

   linknode->prev = ((void *)0);

   linknode->next = ((void *)0);

 }

  static __inline__ void link_imm_use_to_list (ssa_use_operand_t *linknode, ssa_use_operand_t *list) {

   linknode->prev = list;

   linknode->next = list->next;

   list->next = linknode;

 }

  static __inline__ void link_imm_use (ssa_use_operand_t *linknode, tree def) {

   ssa_use_operand_t *root;

   if (!def || ((enum tree_code) (def)->common.code) != SSA_NAME)     linknode->prev = ((void *)0);

   else     {

       root = &(__extension__ ({ const tree __t = (def); if (((enum tree_code) (__t)->common.code) != (SSA_NAME)) tree_check_failed (__t, "/home/cygnus/dnovillo/gcc/src.ppc64/gcc/tree-flow-inline.h", 222, __FUNCTION__, (SSA_NAME), 0); __t; }

)->ssa_name.imm_uses);

       link_imm_use_to_list (linknode, root);

     }

 }

  static __inline__ void link_imm_use_stmt (ssa_use_operand_t *linknode, tree def, tree stmt) {

     link_imm_use (linknode, def);

 }

  struct ggc_root_tab {

 };

  struct opbuild_list_d {

   varray_type vars;

   varray_type uid;

   varray_type next;

   int first;

   unsigned num;

 };

  static struct opbuild_list_d build_uses;

  static struct opbuild_list_d build_v_may_defs;

  static struct ssa_operand_memory_d *operand_memory = ((void *)0);

  static unsigned operand_memory_index;

  static use_optype_p free_uses = ((void *)0);

  static __inline__ int opbuild_next (struct opbuild_list_d *list, int prev) {

   return __extension__ (*({

 varray_type const _va = (list->next);

 const size_t _n = (prev);

 if (_n >= _va->num_elements) varray_check_failed (_va, _n, "/home/cygnus/dnovillo/gcc/src.ppc64/gcc/tree-ssa-operands.c", 323, __FUNCTION__);

 &_va->data.i[_n];

 }

));

 }

  static __inline__ tree * opbuild_elem_real (struct opbuild_list_d *list, int elem) {

   return __extension__ (*({

 varray_type const _va = (list->vars);

 const size_t _n = (elem);

 if (_n >= _va->num_elements) varray_check_failed (_va, _n, "/home/cygnus/dnovillo/gcc/src.ppc64/gcc/tree-ssa-operands.c", 332, __FUNCTION__);

 &_va->data.tp[_n];

 }

));

 }

  static __inline__ void opbuild_clear (struct opbuild_list_d *list) {

   ((list->vars)->elements_used = 0);

   ((list->next)->elements_used = 0);

 }

  static __inline__ void * ssa_operand_alloc (unsigned size) {

   char *ptr;

   if (operand_memory_index + size >= (2048 - sizeof (void *)))     {

       ptr = ggc_alloc_stat (sizeof (struct ssa_operand_memory_d) );

     }

   ptr = &(operand_memory->mem[operand_memory_index]);

   return ptr;

 }

  static __inline__ void correct_use_link (use_operand_p ptr, tree stmt) {

   use_operand_p prev;

   tree root;

   prev = ptr->prev;

   if (prev)     {

       unsigned char stmt_mod = 1;

       while (stmt_mod)  {    while (prev->stmt == stmt || prev->stmt == ((void *)0))      prev = prev->prev;    if (prev->use == ((void *)0))      stmt_mod = 0;    else      if ((stmt_mod = stmt_modified_p (prev->stmt)))        prev = prev->prev;  }

       if (prev->use == ((void *)0))  root = prev->stmt;

       else  root = *(prev->use);

       if (root == *(ptr->use))  return;

     }

   delink_imm_use (ptr);

   link_imm_use (ptr, *(ptr->use));

 }

  static __inline__ struct use_optype_d * alloc_use (void) {

   struct use_optype_d *ret;

     {

       free_uses = free_uses->next;

     }

     ret = (struct use_optype_d *)ssa_operand_alloc (sizeof (struct use_optype_d));

   return ret;

 }

  static __inline__ void finalize_ssa_use_ops (tree stmt) {

   int new_i;

   struct use_optype_d *old_ops, *ptr, *last;

   tree * old_base;

   struct use_optype_d new_list;

   last = &new_list;

   if (old_ops)     old_base = ((old_ops)->use_ptr.use);

   while (old_ops && new_i != -1)     {

       tree * new_base = opbuild_elem_real (&build_uses, (new_i));

       if (old_base == new_base)         {    last->next = old_ops;    last = old_ops;    correct_use_link ((&((last)->use_ptr)), stmt);    old_ops = old_ops->next;    new_i = opbuild_next (&build_uses, new_i);  }

       else         if (old_base < new_base)    {      use_operand_p use_p = (&((old_ops)->use_ptr));      delink_imm_use (use_p);      old_ops = old_ops->next;      ptr->next = free_uses;    }

  else    {      ptr = alloc_use ();      (ptr)->use_ptr.use = (opbuild_elem_real (&build_uses, (new_i))); link_imm_use_stmt (&((ptr)->use_ptr), *(opbuild_elem_real (&build_uses, (new_i))), (stmt));      new_i = opbuild_next (&build_uses, new_i);    }

       if (old_ops)         old_base = ((old_ops)->use_ptr.use);

     }

   for ( ;

  new_i != -1;

  new_i = opbuild_next (&build_uses, new_i))     {

       ptr = alloc_use ();

       (ptr)->use_ptr.use = (opbuild_elem_real (&build_uses, (new_i)));

 link_imm_use_stmt (&((ptr)->use_ptr), *(opbuild_elem_real (&build_uses, (new_i))), (stmt));

     }

     {

  {    use_operand_p use_p = (&((ptr)->use_ptr));    delink_imm_use (use_p);  }

     }

   (stmt_ann (stmt)->operands.use_ops) = new_list.next;

   {

     unsigned x = 0;

     for (ptr = (stmt_ann (stmt)->operands.use_ops);

 ptr;

 ptr = ptr->next)       x++;

   }

 }

  finalize_ssa_uses (tree stmt) {

   {

     unsigned x;

       ((void)(!(*(opbuild_elem_real (&build_uses, x)) != stmt) ? fancy_abort ("/home/cygnus/dnovillo/gcc/src.ppc64/gcc/tree-ssa-operands.c", 581, __FUNCTION__), 0 : 0));

   }

   finalize_ssa_use_ops (stmt);

   opbuild_clear (&build_uses);

 }

  finalize_ssa_v_may_def_ops (tree stmt) {

   int new_i;

     {

     }

   for ( ;

  new_i != -1;

  new_i = opbuild_next (&build_v_may_defs, new_i))     {

     }

   {

   }

 }

  get_expr_operands (tree stmt, tree *expr_p, int flags) {

   enum tree_code code;

   tree expr = *expr_p;

     {

       {  subvar_t svars;  if (var_can_have_subvars (expr)      && (svars = get_subvars_for_var (expr)))    {    }    {    }       }

       {    {      if (code == LT_EXPR   || code == GE_EXPR)        {   swap_tree_operands (stmt,         &__extension__ (*({const tree __t = __extension__ ({ const tree __t = (expr); char const __c = tree_code_type[(int) (((enum tree_code) (__t)->common.code))]; if (!((__c) >= tcc_reference && (__c) <= tcc_expression)) tree_class_check_failed (__t, tcc_expression, "/home/cygnus/dnovillo/gcc/src.ppc64/gcc/tree-ssa-operands.c", 1435, __FUNCTION__); __t; }); const int __i = (0); if (__i < 0 || __i >= tree_code_length[(int) (((enum tree_code) (__t)->common.code))]) tree_operand_check_failed (__i, ((enum tree_code) (__t)->common.code), "/home/cygnus/dnovillo/gcc/src.ppc64/gcc/tree-ssa-operands.c", 1435, __FUNCTION__); &__t->exp.operands[__i]; })),         &__extension__ (*({const tree __t = __extension__ ({ const tree __t = (expr); char const __c = tree_code_type[(int) (((enum tree_code) (__t)->common.code))]; if (!((__c) >= tcc_reference && (__c) <= tcc_expression)) tree_class_check_failed (__t, tcc_expression, "/home/cygnus/dnovillo/gcc/src.ppc64/gcc/tree-ssa-operands.c", 1436, __FUNCTION__); __t; }); const int __i = (1); if (__i < 0 || __i >= tree_code_length[(int) (((enum tree_code) (__t)->common.code))]) tree_operand_check_failed (__i, ((enum tree_code) (__t)->common.code), "/home/cygnus/dnovillo/gcc/src.ppc64/gcc/tree-ssa-operands.c", 1436, __FUNCTION__); &__t->exp.operands[__i]; })));        }        {        }    }       }

     }

 }

  get_asm_expr_operands (tree stmt) {

   int noutputs = list_length (__extension__ (*({

const tree __t = __extension__ ({ const tree __t = (__extension__ ({ const tree __t = (stmt); if (((enum tree_code) (__t)->common.code) != (ASM_EXPR)) tree_check_failed (__t, "/home/cygnus/dnovillo/gcc/src.ppc64/gcc/tree-ssa-operands.c", 1495, __FUNCTION__, (ASM_EXPR), 0); __t; })); char const __c = tree_code_type[(int) (((enum tree_code) (__t)->common.code))]; if (!((__c) >= tcc_reference && (__c) <= tcc_expression)) tree_class_check_failed (__t, tcc_expression, "/home/cygnus/dnovillo/gcc/src.ppc64/gcc/tree-ssa-operands.c", 1495, __FUNCTION__); __t; }

);

 const int __i = (1);

 if (__i < 0 || __i >= tree_code_length[(int) (((enum tree_code) (__t)->common.code))]) tree_operand_check_failed (__i, ((enum tree_code) (__t)->common.code), "/home/cygnus/dnovillo/gcc/src.ppc64/gcc/tree-ssa-operands.c", 1495, __FUNCTION__);

 &__t->exp.operands[__i];

 }

)));

   const char **oconstraints     = (const char **) __builtin_alloca((noutputs) * sizeof (const char *));

   int i;

   tree link;

   const char *constraint;

   unsigned char allows_mem, allows_reg, is_inout;

     {

       oconstraints[i] = constraint  = ((const char *)(__extension__ ({ const tree __t = ((__extension__ ({ const tree __t = ((__extension__ ({ const tree __t = (link); if (((enum tree_code) (__t)->common.code) != (TREE_LIST)) tree_check_failed (__t, "/home/cygnus/dnovillo/gcc/src.ppc64/gcc/tree-ssa-operands.c", 1506, __FUNCTION__, (TREE_LIST), 0); __t; })->list.purpose)); if (((enum tree_code) (__t)->common.code) != (TREE_LIST)) tree_check_failed (__t, "/home/cygnus/dnovillo/gcc/src.ppc64/gcc/tree-ssa-operands.c", 1506, __FUNCTION__, (TREE_LIST), 0); __t; })->list.value)); if (((enum tree_code) (__t)->common.code) != (STRING_CST)) tree_check_failed (__t, "/home/cygnus/dnovillo/gcc/src.ppc64/gcc/tree-ssa-operands.c", 1506, __FUNCTION__, (STRING_CST), 0); __t; }

)->string.str));

       parse_output_constraint (&constraint, i, 0, 0,    &allows_mem, &allows_reg, &is_inout);

       }

 }

  get_indirect_ref_operands (tree stmt, tree expr, int flags) {

   tree *pptr = &__extension__ (*({

const tree __t = __extension__ ({ const tree __t = (expr); char const __c = tree_code_type[(int) (((enum tree_code) (__t)->common.code))]; if (!((__c) >= tcc_reference && (__c) <= tcc_expression)) tree_class_check_failed (__t, tcc_expression, "/home/cygnus/dnovillo/gcc/src.ppc64/gcc/tree-ssa-operands.c", 1591, __FUNCTION__); __t; }

);

 const int __i = (0);

 if (__i < 0 || __i >= tree_code_length[(int) (((enum tree_code) (__t)->common.code))]) tree_operand_check_failed (__i, ((enum tree_code) (__t)->common.code), "/home/cygnus/dnovillo/gcc/src.ppc64/gcc/tree-ssa-operands.c", 1591, __FUNCTION__);

 &__t->exp.operands[__i];

 }

));

   tree ptr = *pptr;

     {

       struct ptr_info_def *pi = ((void *)0);

       if (((enum tree_code) (ptr)->common.code) == SSA_NAME    && pi->name_mem_tag)  {  }

     }

 }

  note_addressable (tree var, stmt_ann_t s_ann) {

   subvar_t svars;

     {

       if (var_can_have_subvars (var)    && (svars = get_subvars_for_var (var)))  bitmap_set_bit (s_ann->addresses_taken, var_ann (var)->uid);

     }

 }

  const struct ggc_root_tab gt_ggc_r_gt_tree_ssa_operands_h[] = {

   {

     &operand_memory,   }

,   {

   }

,   {

   }

,   {

   }

, };