objc: use _P() defines from tree.h

gcc/objc/ChangeLog:

	* objc-act.cc (objc_volatilize_decl): Use _P() defines from tree.h.
	(objc_is_global_reference_p): Ditto.
	(objc_generate_write_barrier): Ditto.
	(objc_gimplify_property_ref): Ditto.
	* objc-next-runtime-abi-01.cc (next_runtime_abi_01_receiver_is_class_object): Ditto.
	* objc-next-runtime-abi-02.cc (next_runtime_abi_02_receiver_is_class_object): Ditto.
	(next_runtime_abi_02_build_objc_method_call): Ditto.

3 files changed, 8 insertions, 8 deletions

diff --git a/gcc/objc/objc-act.cc b/gcc/objc/objc-act.cc
index 0820174..e4c49e6 100644
--- a/gcc/objc/objc-act.cc
+++ b/gcc/objc/objc-act.cc
@@ -2338,7 +2338,7 @@ objc_volatilize_decl (tree decl)
   /* Do not mess with variables that are 'static' or (already)
      'volatile'.  */
   if (!TREE_THIS_VOLATILE (decl) && !TREE_STATIC (decl)
-      && (TREE_CODE (decl) == VAR_DECL
+      && (VAR_P (decl)
 	  || TREE_CODE (decl) == PARM_DECL))
     {
       if (local_variables_to_volatilize == NULL)
@@ -3793,7 +3793,7 @@ objc_is_ivar_reference_p (tree expr)
 static int
 objc_is_global_reference_p (tree expr)
 {
-  return (TREE_CODE (expr) == INDIRECT_REF || TREE_CODE (expr) == PLUS_EXPR
+  return (INDIRECT_REF_P (expr) || TREE_CODE (expr) == PLUS_EXPR
 	  ? objc_is_global_reference_p (TREE_OPERAND (expr, 0))
 	  : DECL_P (expr)
 	  ? (DECL_FILE_SCOPE_P (expr) || TREE_STATIC (expr))
@@ -3812,7 +3812,7 @@ objc_generate_write_barrier (tree lhs, enum tree_code modifycode, tree rhs)
 
   /* See if we have any lhs casts, and strip them out.  NB: The lvalue casts
      will have been transformed to the form '*(type *)&expr'.  */
-  if (TREE_CODE (lhs) == INDIRECT_REF)
+  if (INDIRECT_REF_P (lhs))
     {
       outer = TREE_OPERAND (lhs, 0);
 
@@ -3864,7 +3864,7 @@ objc_generate_write_barrier (tree lhs, enum tree_code modifycode, tree rhs)
 	     || TREE_CODE (outer) == ARRAY_REF))
     outer = TREE_OPERAND (outer, 0);
 
-  if (TREE_CODE (outer) == INDIRECT_REF)
+  if (INDIRECT_REF_P (outer))
     {
       outer = TREE_OPERAND (outer, 0);
       indirect_p = 1;
@@ -9694,7 +9694,7 @@ objc_gimplify_property_ref (tree *expr_p)
   if (TREE_CODE (getter) == TARGET_EXPR)
     {
       gcc_assert (MAYBE_CLASS_TYPE_P (TREE_TYPE (getter)));
-      gcc_assert (TREE_CODE (TREE_OPERAND (getter, 0)) == VAR_DECL);
+      gcc_assert (VAR_P (TREE_OPERAND (getter, 0)));
       call_exp = TREE_OPERAND (getter, 1);
     }
 #endif
diff --git a/gcc/objc/objc-next-runtime-abi-01.cc b/gcc/objc/objc-next-runtime-abi-01.cc
index 8f68f78..70ab5262 100644
--- a/gcc/objc/objc-next-runtime-abi-01.cc
+++ b/gcc/objc/objc-next-runtime-abi-01.cc
@@ -754,7 +754,7 @@ next_runtime_abi_01_get_arg_type_list_base (vec<tree, va_gc> **argtypes,
 static tree
 next_runtime_abi_01_receiver_is_class_object (tree receiver)
 {
-  if (TREE_CODE (receiver) == VAR_DECL
+  if (VAR_P (receiver)
       && IS_CLASS (TREE_TYPE (receiver)))
     {
       /* The receiver is a variable created by build_class_reference_decl.  */
diff --git a/gcc/objc/objc-next-runtime-abi-02.cc b/gcc/objc/objc-next-runtime-abi-02.cc
index bcfc0ce..6548c00 100644
--- a/gcc/objc/objc-next-runtime-abi-02.cc
+++ b/gcc/objc/objc-next-runtime-abi-02.cc
@@ -1571,7 +1571,7 @@ next_runtime_abi_02_get_category_super_ref (location_t loc ATTRIBUTE_UNUSED,
 static tree
 next_runtime_abi_02_receiver_is_class_object (tree receiver)
 {
-  if (TREE_CODE (receiver) == VAR_DECL
+  if (VAR_P (receiver)
       && IS_CLASS (TREE_TYPE (receiver))
       && vec_safe_length (classrefs))
     {
@@ -1824,7 +1824,7 @@ next_runtime_abi_02_build_objc_method_call (location_t loc,
       checked.  */
   bool check_for_nil = flag_objc_nilcheck;
   if (super
-      || (TREE_CODE (receiver) == VAR_DECL
+      || (VAR_P (receiver)
 	  && TREE_TYPE (receiver) == objc_class_type))
     check_for_nil = false;