static inline tree
gimple_vop (const struct function *fun)
{
- gcc_assert (fun && fun->gimple_df);
+ gcc_checking_assert (fun && fun->gimple_df);
return fun->gimple_df->vop;
}
return NULL;
}
+/* Get the variable with uid UID from the list of referenced vars. */
+
+static inline tree
+referenced_var (unsigned int uid)
+{
+ tree var = referenced_var_lookup (cfun, uid);
+ gcc_assert (var || uid == 0);
+ return var;
+}
+
/* Initialize ITER to point to the first referenced variable in the
referenced_vars hashtable, and return that variable. */
static inline tree
-first_referenced_var (referenced_var_iterator *iter)
+first_referenced_var (struct function *fn, referenced_var_iterator *iter)
{
return (tree) first_htab_element (&iter->hti,
- gimple_referenced_vars (cfun));
+ gimple_referenced_vars (fn));
}
/* Return true if we have hit the end of the referenced variables ITER is
return p ? *p : NULL;
}
-/* Return the variable annotation for T, which must be a _DECL node.
- Create the variable annotation if it doesn't exist. */
-static inline var_ann_t
-get_var_ann (tree var)
-{
- var_ann_t *p = DECL_VAR_ANN_PTR (var);
- gcc_assert (p);
- return *p ? *p : create_var_ann (var);
-}
-
/* Get the number of the next statement uid to be allocated. */
static inline unsigned int
gimple_stmt_max_uid (struct function *fn)
else
{
root = &(SSA_NAME_IMM_USE_NODE (def));
-#ifdef ENABLE_CHECKING
if (linknode->use)
- gcc_assert (*(linknode->use) == def);
-#endif
+ gcc_checking_assert (*(linknode->use) == def);
link_imm_use_to_list (linknode, root);
}
}
relink_imm_use (ssa_use_operand_t *node, ssa_use_operand_t *old)
{
/* The node one had better be in the same list. */
- gcc_assert (*(old->use) == *(node->use));
+ gcc_checking_assert (*(old->use) == *(node->use));
node->prev = old->prev;
node->next = old->next;
if (old->prev)
static inline gimple_seq
phi_nodes (const_basic_block bb)
{
- gcc_assert (!(bb->flags & BB_RTL));
+ gcc_checking_assert (!(bb->flags & BB_RTL));
if (!bb->il.gimple)
return NULL;
return bb->il.gimple->phi_nodes;
{
gimple_stmt_iterator i;
- gcc_assert (!(bb->flags & BB_RTL));
+ gcc_checking_assert (!(bb->flags & BB_RTL));
bb->il.gimple->phi_nodes = seq;
if (seq)
for (i = gsi_start (seq); !gsi_end_p (i); gsi_next (&i))
pointer arithmetic. */
phi = USE_STMT (use);
- gcc_assert (gimple_code (phi) == GIMPLE_PHI);
element = (struct phi_arg_d *)use;
root = gimple_phi_arg (phi, 0);
index = element - root;
-#ifdef ENABLE_CHECKING
/* Make sure the calculation doesn't have any leftover bytes. If it does,
then imm_use is likely not the first element in phi_arg_d. */
- gcc_assert ((((char *)element - (char *)root)
- % sizeof (struct phi_arg_d)) == 0
- && index < gimple_phi_capacity (phi));
-#endif
+ gcc_checking_assert ((((char *)element - (char *)root)
+ % sizeof (struct phi_arg_d)) == 0
+ && index < gimple_phi_capacity (phi));
return index;
}
static inline void
set_is_used (tree var)
{
- var_ann_t ann = get_var_ann (var);
- ann->used = 1;
+ var_ann_t ann = var_ann (var);
+ ann->used = true;
+}
+
+/* Clear VAR's used flag. */
+
+static inline void
+clear_is_used (tree var)
+{
+ var_ann_t ann = var_ann (var);
+ ann->used = false;
}
+/* Return true if VAR is marked as used. */
+
+static inline bool
+is_used_p (tree var)
+{
+ var_ann_t ann = var_ann (var);
+ return ann->used;
+}
/* Return true if T (assumed to be a DECL) is a global variable.
A variable is considered global if its storage is not automatic. */
{
if (TREE_CODE (t) == SSA_NAME)
return true;
-#ifdef ENABLE_CHECKING
- gcc_assert (is_gimple_min_invariant (t));
-#endif
+ gcc_checking_assert (is_gimple_min_invariant (t));
return false;
}
}
-/* Return true if VAR is clobbered by function calls. */
-static inline bool
-is_call_clobbered (const_tree var)
-{
- return (is_global_var (var)
- || (may_be_aliased (var)
- && pt_solution_includes (&cfun->gimple_df->escaped, var)));
-}
-
/* ----------------------------------------------------------------------- */
/* The following set of routines are used to iterator over various type of
op_iter_next_use (ssa_op_iter *ptr)
{
use_operand_p use_p;
-#ifdef ENABLE_CHECKING
- gcc_assert (ptr->iter_type == ssa_op_iter_use);
-#endif
+ gcc_checking_assert (ptr->iter_type == ssa_op_iter_use);
if (ptr->uses)
{
use_p = USE_OP_PTR (ptr->uses);
op_iter_next_def (ssa_op_iter *ptr)
{
def_operand_p def_p;
-#ifdef ENABLE_CHECKING
- gcc_assert (ptr->iter_type == ssa_op_iter_def);
-#endif
+ gcc_checking_assert (ptr->iter_type == ssa_op_iter_def);
if (ptr->defs)
{
def_p = DEF_OP_PTR (ptr->defs);
op_iter_next_tree (ssa_op_iter *ptr)
{
tree val;
-#ifdef ENABLE_CHECKING
- gcc_assert (ptr->iter_type == ssa_op_iter_tree);
-#endif
+ gcc_checking_assert (ptr->iter_type == ssa_op_iter_tree);
if (ptr->uses)
{
val = USE_OP (ptr->uses);
static inline void
op_iter_init (ssa_op_iter *ptr, gimple stmt, int flags)
{
- /* We do not support iterating over virtual defs or uses without
+ /* PHI nodes require a different iterator initialization path. We
+ do not support iterating over virtual defs or uses without
iterating over defs or uses at the same time. */
- gcc_assert ((!(flags & SSA_OP_VDEF) || (flags & SSA_OP_DEF))
- && (!(flags & SSA_OP_VUSE) || (flags & SSA_OP_USE)));
+ gcc_checking_assert (gimple_code (stmt) != GIMPLE_PHI
+ && (!(flags & SSA_OP_VDEF) || (flags & SSA_OP_DEF))
+ && (!(flags & SSA_OP_VUSE) || (flags & SSA_OP_USE)));
ptr->defs = (flags & (SSA_OP_DEF|SSA_OP_VDEF)) ? gimple_def_ops (stmt) : NULL;
if (!(flags & SSA_OP_VDEF)
&& ptr->defs
static inline use_operand_p
op_iter_init_use (ssa_op_iter *ptr, gimple stmt, int flags)
{
- gcc_assert ((flags & SSA_OP_ALL_DEFS) == 0
- && (flags & SSA_OP_USE));
+ gcc_checking_assert ((flags & SSA_OP_ALL_DEFS) == 0
+ && (flags & SSA_OP_USE));
op_iter_init (ptr, stmt, flags);
ptr->iter_type = ssa_op_iter_use;
return op_iter_next_use (ptr);
static inline def_operand_p
op_iter_init_def (ssa_op_iter *ptr, gimple stmt, int flags)
{
- gcc_assert ((flags & SSA_OP_ALL_USES) == 0
- && (flags & SSA_OP_DEF));
+ gcc_checking_assert ((flags & SSA_OP_ALL_USES) == 0
+ && (flags & SSA_OP_DEF));
op_iter_init (ptr, stmt, flags);
ptr->iter_type = ssa_op_iter_def;
return op_iter_next_def (ptr);
tree t;
int num = 0;
+ gcc_checking_assert (gimple_code (stmt) != GIMPLE_PHI);
FOR_EACH_SSA_TREE_OPERAND (t, stmt, iter, flags)
num++;
return num;
}
+static inline use_operand_p
+op_iter_init_phiuse (ssa_op_iter *ptr, gimple phi, int flags);
/* Delink all immediate_use information for STMT. */
static inline void
use_operand_p use_p;
if (ssa_operands_active ())
- FOR_EACH_SSA_USE_OPERAND (use_p, stmt, iter, SSA_OP_ALL_USES)
+ FOR_EACH_PHI_OR_STMT_USE (use_p, stmt, iter, SSA_OP_ALL_USES)
delink_imm_use (use_p);
}
clear_and_done_ssa_iter (ptr);
ptr->done = false;
- gcc_assert ((flags & (SSA_OP_USE | SSA_OP_VIRTUAL_USES)) != 0);
+ gcc_checking_assert ((flags & (SSA_OP_USE | SSA_OP_VIRTUAL_USES)) != 0);
comp = (is_gimple_reg (phi_def) ? SSA_OP_USE : SSA_OP_VIRTUAL_USES);
clear_and_done_ssa_iter (ptr);
ptr->done = false;
- gcc_assert ((flags & (SSA_OP_DEF | SSA_OP_VIRTUAL_DEFS)) != 0);
+ gcc_checking_assert ((flags & (SSA_OP_DEF | SSA_OP_VIRTUAL_DEFS)) != 0);
comp = (is_gimple_reg (phi_def) ? SSA_OP_DEF : SSA_OP_VIRTUAL_DEFS);
move_use_after_head (use_operand_p use_p, use_operand_p head,
use_operand_p last_p)
{
-#ifdef ENABLE_CHECKING
- gcc_assert (USE_FROM_PTR (use_p) == USE_FROM_PTR (head));
-#endif
+ gcc_checking_assert (USE_FROM_PTR (use_p) == USE_FROM_PTR (head));
/* Skip head when we find it. */
if (use_p != head)
{
return TREE_READONLY (var) && (TREE_STATIC (var) || DECL_EXTERNAL (var));
}
-/* Return true if REF, an ARRAY_REF, has an INDIRECT_REF somewhere in it. */
-
-static inline bool
-array_ref_contains_indirect_ref (const_tree ref)
-{
- gcc_assert (TREE_CODE (ref) == ARRAY_REF);
-
- do {
- ref = TREE_OPERAND (ref, 0);
- } while (handled_component_p (ref));
-
- return TREE_CODE (ref) == INDIRECT_REF;
-}
-
/* Return true if REF, a handled component reference, has an ARRAY_REF
somewhere in it. */
static inline bool
ref_contains_array_ref (const_tree ref)
{
- gcc_assert (handled_component_p (ref));
+ gcc_checking_assert (handled_component_p (ref));
do {
if (TREE_CODE (ref) == ARRAY_REF)
return make_ssa_name_fn (cfun, var, stmt);
}
+/* Returns the base object and a constant BITS_PER_UNIT offset in *POFFSET that
+ denotes the starting address of the memory access EXP.
+ Returns NULL_TREE if the offset is not constant or any component
+ is not BITS_PER_UNIT-aligned.
+ VALUEIZE if non-NULL is used to valueize SSA names. It should return
+ its argument or a constant if the argument is known to be constant. */
+
+static inline tree
+get_addr_base_and_unit_offset_1 (tree exp, HOST_WIDE_INT *poffset,
+ tree (*valueize) (tree))
+{
+ HOST_WIDE_INT byte_offset = 0;
+
+ /* Compute cumulative byte-offset for nested component-refs and array-refs,
+ and find the ultimate containing object. */
+ while (1)
+ {
+ switch (TREE_CODE (exp))
+ {
+ case BIT_FIELD_REF:
+ return NULL_TREE;
+
+ case COMPONENT_REF:
+ {
+ tree field = TREE_OPERAND (exp, 1);
+ tree this_offset = component_ref_field_offset (exp);
+ HOST_WIDE_INT hthis_offset;
+
+ if (!this_offset
+ || TREE_CODE (this_offset) != INTEGER_CST
+ || (TREE_INT_CST_LOW (DECL_FIELD_BIT_OFFSET (field))
+ % BITS_PER_UNIT))
+ return NULL_TREE;
+
+ hthis_offset = TREE_INT_CST_LOW (this_offset);
+ hthis_offset += (TREE_INT_CST_LOW (DECL_FIELD_BIT_OFFSET (field))
+ / BITS_PER_UNIT);
+ byte_offset += hthis_offset;
+ }
+ break;
+
+ case ARRAY_REF:
+ case ARRAY_RANGE_REF:
+ {
+ tree index = TREE_OPERAND (exp, 1);
+ tree low_bound, unit_size;
+
+ if (valueize
+ && TREE_CODE (index) == SSA_NAME)
+ index = (*valueize) (index);
+
+ /* If the resulting bit-offset is constant, track it. */
+ if (TREE_CODE (index) == INTEGER_CST
+ && (low_bound = array_ref_low_bound (exp),
+ TREE_CODE (low_bound) == INTEGER_CST)
+ && (unit_size = array_ref_element_size (exp),
+ TREE_CODE (unit_size) == INTEGER_CST))
+ {
+ HOST_WIDE_INT hindex = TREE_INT_CST_LOW (index);
+
+ hindex -= TREE_INT_CST_LOW (low_bound);
+ hindex *= TREE_INT_CST_LOW (unit_size);
+ byte_offset += hindex;
+ }
+ else
+ return NULL_TREE;
+ }
+ break;
+
+ case REALPART_EXPR:
+ break;
+
+ case IMAGPART_EXPR:
+ byte_offset += TREE_INT_CST_LOW (TYPE_SIZE_UNIT (TREE_TYPE (exp)));
+ break;
+
+ case VIEW_CONVERT_EXPR:
+ break;
+
+ case MEM_REF:
+ {
+ tree base = TREE_OPERAND (exp, 0);
+ if (valueize
+ && TREE_CODE (base) == SSA_NAME)
+ base = (*valueize) (base);
+
+ /* Hand back the decl for MEM[&decl, off]. */
+ if (TREE_CODE (base) == ADDR_EXPR)
+ {
+ if (!integer_zerop (TREE_OPERAND (exp, 1)))
+ {
+ double_int off = mem_ref_offset (exp);
+ gcc_assert (off.high == -1 || off.high == 0);
+ byte_offset += double_int_to_shwi (off);
+ }
+ exp = TREE_OPERAND (base, 0);
+ }
+ goto done;
+ }
+
+ case TARGET_MEM_REF:
+ {
+ tree base = TREE_OPERAND (exp, 0);
+ if (valueize
+ && TREE_CODE (base) == SSA_NAME)
+ base = (*valueize) (base);
+
+ /* Hand back the decl for MEM[&decl, off]. */
+ if (TREE_CODE (base) == ADDR_EXPR)
+ {
+ if (TMR_INDEX (exp) || TMR_INDEX2 (exp))
+ return NULL_TREE;
+ if (!integer_zerop (TMR_OFFSET (exp)))
+ {
+ double_int off = mem_ref_offset (exp);
+ gcc_assert (off.high == -1 || off.high == 0);
+ byte_offset += double_int_to_shwi (off);
+ }
+ exp = TREE_OPERAND (base, 0);
+ }
+ goto done;
+ }
+
+ default:
+ goto done;
+ }
+
+ exp = TREE_OPERAND (exp, 0);
+ }
+done:
+
+ *poffset = byte_offset;
+ return exp;
+}
+
#endif /* _TREE_FLOW_INLINE_H */
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