For "get_global_range_query" SSA_NAME_RANGE_INFO can be queried.
For "get_range_query", it could get more context-aware range info.
And look at the implementation of "get_range_query", it returns
global range if no local fun info.
So, if not quering for SSA_NAME and not chaning the IL, it would
be ok to use get_range_query to replace get_global_range_query.
gcc/ChangeLog:
* fold-const.cc (expr_not_equal_to): Replace get_global_range_query
by get_range_query.
* gimple-fold.cc (size_must_be_zero_p): Likewise.
* gimple-range-fold.cc (fur_source::fur_source): Likewise.
* gimple-ssa-warn-access.cc (check_nul_terminated_array): Likewise.
* tree-dfa.cc (get_ref_base_and_extent): Likewise.
if (!INTEGRAL_TYPE_P (TREE_TYPE (t)))
return false;
- if (cfun)
- get_range_query (cfun)->range_of_expr (vr, t);
- else
- get_global_range_query ()->range_of_expr (vr, t);
-
+ get_range_query (cfun)->range_of_expr (vr, t);
if (!vr.undefined_p () && !vr.contains_p (w))
return true;
/* If T has some known zero bits and W has any of those bits set,
wide_int zero = wi::zero (TYPE_PRECISION (type));
value_range valid_range (type, zero, ssize_max);
value_range vr;
- if (cfun)
- get_range_query (cfun)->range_of_expr (vr, size);
- else
- get_global_range_query ()->range_of_expr (vr, size);
+ get_range_query (cfun)->range_of_expr (vr, size);
+
if (vr.undefined_p ())
vr.set_varying (TREE_TYPE (size));
vr.intersect (valid_range);
{
if (q)
m_query = q;
- else if (cfun)
- m_query = get_range_query (cfun);
else
- m_query = get_global_range_query ();
+ m_query = get_range_query (cfun);
m_gori = NULL;
}
{
Value_Range r (TREE_TYPE (bound));
- get_global_range_query ()->range_of_expr (r, bound);
+ get_range_query (cfun)->range_of_expr (r, bound);
if (r.undefined_p () || r.varying_p ())
return true;
value_range vr;
range_query *query;
- if (cfun)
- query = get_range_query (cfun);
- else
- query = get_global_range_query ();
+ query = get_range_query (cfun);
if (TREE_CODE (index) == SSA_NAME
&& (low_bound = array_ref_low_bound (exp),