[comitted] Add make_restrict_var_constraints

[Tom de Vries]

Hi,

this no-functional-changes patch factors a new function 
make_restrict_var_constraints out of intra_create_variable_infos.

Bootstrapped and reg-tested on x86_64.

Committed as trivial.

Thanks,
- Tom
Add make_restrict_var_constraints

2015-10-26  Tom de Vries  <t...@codesourcery.com>

	* tree-ssa-structalias.c (make_restrict_var_constraints): New function,
	factored out of ...
	(intra_create_variable_infos): ... here.
---
 gcc/tree-ssa-structalias.c | 24 ++++++++++++++++--------
 1 file changed, 16 insertions(+), 8 deletions(-)

diff --git a/gcc/tree-ssa-structalias.c b/gcc/tree-ssa-structalias.c
index 1e1ae95..63a3d02 100644
--- a/gcc/tree-ssa-structalias.c
+++ b/gcc/tree-ssa-structalias.c
@@ -5844,6 +5844,21 @@ debug_solution_for_var (unsigned int var)
   dump_solution_for_var (stderr, var);
 }
 
+/* Register the constraints for restrict var VI.  */
+
+static void
+make_restrict_var_constraints (varinfo_t vi)
+{
+  for (; vi; vi = vi_next (vi))
+    if (vi->may_have_pointers)
+      {
+	if (vi->only_restrict_pointers)
+	  make_constraint_from_global_restrict (vi, "GLOBAL_RESTRICT");
+	else
+	  make_copy_constraint (vi, nonlocal_id);
+      }
+}
+
 /* Create varinfo structures for all of the variables in the
    function for intraprocedural mode.  */
 
@@ -5882,14 +5897,7 @@ intra_create_variable_infos (struct function *fn)
 	  vi->is_restrict_var = 1;
 	  insert_vi_for_tree (heapvar, vi);
 	  make_constraint_from (p, vi->id);
-	  for (; vi; vi = vi_next (vi))
-	    if (vi->may_have_pointers)
-	      {
-		if (vi->only_restrict_pointers)
-		  make_constraint_from_global_restrict (vi, "GLOBAL_RESTRICT");
-		else
-		  make_copy_constraint (vi, nonlocal_id);
-	      }
+	  make_restrict_var_constraints (vi);
 	  continue;
 	}
 
-- 
1.9.1