analyzer: make various region_model member functions const

gcc/analyzer/ChangeLog:
	* region-model.cc (region_model::get_lvalue_1): Make const.
	(region_model::get_lvalue): Likewise.
	(region_model::get_rvalue_1): Likewise.
	(region_model::get_rvalue): Likewise.
	(region_model::deref_rvalue): Likewise.
	(region_model::get_rvalue_for_bits): Likewise.
	* region-model.h (region_model::get_lvalue): Likewise.
	(region_model::get_rvalue): Likewise.
	(region_model::deref_rvalue): Likewise.
	(region_model::get_rvalue_for_bits): Likewise.
	(region_model::get_lvalue_1): Likewise.
	(region_model::get_rvalue_1): Likewise.

Signed-off-by: David Malcolm <dmalcolm@redhat.com>

2 files changed, 16 insertions, 16 deletions

diff --git a/gcc/analyzer/region-model.cc b/gcc/analyzer/region-model.cc
index 0d363fb..551ee79 100644
--- a/gcc/analyzer/region-model.cc
+++ b/gcc/analyzer/region-model.cc
@@ -1213,7 +1213,7 @@ region_model::handle_phi (const gphi *phi,
    emitting any diagnostics to CTXT.  */
 
 const region *
-region_model::get_lvalue_1 (path_var pv, region_model_context *ctxt)
+region_model::get_lvalue_1 (path_var pv, region_model_context *ctxt) const
 {
   tree expr = pv.m_tree;
 
@@ -1312,7 +1312,7 @@ assert_compat_types (tree src_type, tree dst_type)
    emitting any diagnostics to CTXT.  */
 
 const region *
-region_model::get_lvalue (path_var pv, region_model_context *ctxt)
+region_model::get_lvalue (path_var pv, region_model_context *ctxt) const
 {
   if (pv.m_tree == NULL_TREE)
     return NULL;
@@ -1326,7 +1326,7 @@ region_model::get_lvalue (path_var pv, region_model_context *ctxt)
    recent stack frame if it's a local).  */
 
 const region *
-region_model::get_lvalue (tree expr, region_model_context *ctxt)
+region_model::get_lvalue (tree expr, region_model_context *ctxt) const
 {
   return get_lvalue (path_var (expr, get_stack_depth () - 1), ctxt);
 }
@@ -1337,7 +1337,7 @@ region_model::get_lvalue (tree expr, region_model_context *ctxt)
    emitting any diagnostics to CTXT.  */
 
 const svalue *
-region_model::get_rvalue_1 (path_var pv, region_model_context *ctxt)
+region_model::get_rvalue_1 (path_var pv, region_model_context *ctxt) const
 {
   gcc_assert (pv.m_tree);
 
@@ -1441,7 +1441,7 @@ region_model::get_rvalue_1 (path_var pv, region_model_context *ctxt)
    emitting any diagnostics to CTXT.  */
 
 const svalue *
-region_model::get_rvalue (path_var pv, region_model_context *ctxt)
+region_model::get_rvalue (path_var pv, region_model_context *ctxt) const
 {
   if (pv.m_tree == NULL_TREE)
     return NULL;
@@ -1457,7 +1457,7 @@ region_model::get_rvalue (path_var pv, region_model_context *ctxt)
    recent stack frame if it's a local).  */
 
 const svalue *
-region_model::get_rvalue (tree expr, region_model_context *ctxt)
+region_model::get_rvalue (tree expr, region_model_context *ctxt) const
 {
   return get_rvalue (path_var (expr, get_stack_depth () - 1), ctxt);
 }
@@ -1624,7 +1624,7 @@ region_model::region_exists_p (const region *reg) const
 
 const region *
 region_model::deref_rvalue (const svalue *ptr_sval, tree ptr_tree,
-			    region_model_context *ctxt)
+			    region_model_context *ctxt) const
 {
   gcc_assert (ptr_sval);
   gcc_assert (POINTER_TYPE_P (ptr_sval->get_type ()));
@@ -1705,7 +1705,7 @@ region_model::deref_rvalue (const svalue *ptr_sval, tree ptr_tree,
 const svalue *
 region_model::get_rvalue_for_bits (tree type,
 				   const region *reg,
-				   const bit_range &bits)
+				   const bit_range &bits) const
 {
   const svalue *sval = get_store_value (reg);
   if (const compound_svalue *compound_sval = sval->dyn_cast_compound_svalue ())
diff --git a/gcc/analyzer/region-model.h b/gcc/analyzer/region-model.h
index 5e43e54..e251a5b 100644
--- a/gcc/analyzer/region-model.h
+++ b/gcc/analyzer/region-model.h
@@ -501,17 +501,17 @@ class region_model
   int get_stack_depth () const;
   const frame_region *get_frame_at_index (int index) const;
 
-  const region *get_lvalue (path_var pv, region_model_context *ctxt);
-  const region *get_lvalue (tree expr, region_model_context *ctxt);
-  const svalue *get_rvalue (path_var pv, region_model_context *ctxt);
-  const svalue *get_rvalue (tree expr, region_model_context *ctxt);
+  const region *get_lvalue (path_var pv, region_model_context *ctxt) const;
+  const region *get_lvalue (tree expr, region_model_context *ctxt) const;
+  const svalue *get_rvalue (path_var pv, region_model_context *ctxt) const;
+  const svalue *get_rvalue (tree expr, region_model_context *ctxt) const;
 
   const region *deref_rvalue (const svalue *ptr_sval, tree ptr_tree,
-			       region_model_context *ctxt);
+			       region_model_context *ctxt) const;
 
   const svalue *get_rvalue_for_bits (tree type,
 				     const region *reg,
-				     const bit_range &bits);
+				     const bit_range &bits) const;
 
   void set_value (const region *lhs_reg, const svalue *rhs_sval,
 		  region_model_context *ctxt);
@@ -585,8 +585,8 @@ class region_model
   void loop_replay_fixup (const region_model *dst_state);
 
  private:
-  const region *get_lvalue_1 (path_var pv, region_model_context *ctxt);
-  const svalue *get_rvalue_1 (path_var pv, region_model_context *ctxt);
+  const region *get_lvalue_1 (path_var pv, region_model_context *ctxt) const;
+  const svalue *get_rvalue_1 (path_var pv, region_model_context *ctxt) const;
 
   path_var
   get_representative_path_var_1 (const svalue *sval,