tree-chkp.c (chkp_maybe_copy_and_register_bounds): Remove useless gimple_build_nop calls.

	* tree-chkp.c (chkp_maybe_copy_and_register_bounds): Remove useless
	gimple_build_nop calls.
	(chkp_find_bounds_for_elem): Likewise.
	(chkp_get_zero_bounds): Likewise.
	(chkp_get_none_bounds): Likewise.
	(chkp_get_bounds_by_definition): Likewise.
	(chkp_generate_extern_var_bounds): Likewise.
	(chkp_get_bounds_for_decl_addr): Likewise.
	(chkp_get_bounds_for_string_cst): Likewise.

From-SVN: r223434

gcc/ChangeLog

+2015-05-20  Ilya Enkovich  <enkovich.gnu@gmail.com>
+
+	* tree-chkp.c (chkp_maybe_copy_and_register_bounds): Remove useless
+	gimple_build_nop calls.
+	(chkp_find_bounds_for_elem): Likewise.
+	(chkp_get_zero_bounds): Likewise.
+	(chkp_get_none_bounds): Likewise.
+	(chkp_get_bounds_by_definition): Likewise.
+	(chkp_generate_extern_var_bounds): Likewise.
+	(chkp_get_bounds_for_decl_addr): Likewise.
+	(chkp_get_bounds_for_string_cst): Likewise.
+
 2015-05-20  Bin Cheng  <bin.cheng@arm.com>
 
 	PR tree-optimization/65447

gcc/tree-chkp.c

@@ -1181,10 +1181,10 @@ chkp_maybe_copy_and_register_bounds (tree ptr, tree bnd)
 	  gimple_stmt_iterator gsi;
 
 	  if (bnd_var)
-	    copy = make_ssa_name (bnd_var, gimple_build_nop ());
+	    copy = make_ssa_name (bnd_var);
 	  else
 	    copy = make_temp_ssa_name (pointer_bounds_type_node,
-				       gimple_build_nop (),
+				       NULL,
 				       CHKP_BOUND_TMP_NAME);
 	  bnd = chkp_get_orginal_bounds_for_abnormal_copy (bnd);
 	  assign = gimple_build_assign (copy, bnd);
@@ -1544,7 +1544,7 @@ chkp_find_bounds_for_elem (tree elem, tree *all_bounds,
     {
       if (!all_bounds[offs / POINTER_SIZE])
 	{
-	  tree temp = make_temp_ssa_name (type, gimple_build_nop (), "");
+	  tree temp = make_temp_ssa_name (type, NULL, "");
 	  gimple assign = gimple_build_assign (temp, elem);
 	  gimple_stmt_iterator gsi;
 
@@ -2053,7 +2053,7 @@ chkp_get_zero_bounds (void)
       gimple_stmt_iterator gsi = gsi_start_bb (chkp_get_entry_block ());
       gimple stmt;
 
-      zero_bounds = chkp_get_tmp_reg (gimple_build_nop ());
+      zero_bounds = chkp_get_tmp_reg (NULL);
       stmt = gimple_build_assign (zero_bounds, chkp_get_zero_bounds_var ());
       gsi_insert_before (&gsi, stmt, GSI_SAME_STMT);
     }
@@ -2083,7 +2083,7 @@ chkp_get_none_bounds (void)
       gimple_stmt_iterator gsi = gsi_start_bb (chkp_get_entry_block ());
       gimple stmt;
 
-      none_bounds = chkp_get_tmp_reg (gimple_build_nop ());
+      none_bounds = chkp_get_tmp_reg (NULL);
       stmt = gimple_build_assign (none_bounds, chkp_get_none_bounds_var ());
       gsi_insert_before (&gsi, stmt, GSI_SAME_STMT);
     }
@@ -2738,7 +2738,7 @@ chkp_get_bounds_by_definition (tree node, gimple def_stmt,
 	  var = chkp_get_bounds_var (SSA_NAME_VAR (node));
 	else
 	  var = make_temp_ssa_name (pointer_bounds_type_node,
-				    gimple_build_nop (),
+				    NULL,
 				    CHKP_BOUND_TMP_NAME);
       else
 	var = chkp_get_tmp_var ();
@@ -2918,7 +2918,7 @@ chkp_generate_extern_var_bounds (tree var)
   gimple_seq_add_stmt (&seq, stmt);
 
   lb = chkp_build_addr_expr (var);
-  size = make_ssa_name (chkp_get_size_tmp_var (), gimple_build_nop ());
+  size = make_ssa_name (chkp_get_size_tmp_var ());
 
   if (flag_chkp_zero_dynamic_size_as_infinite)
     {
@@ -3015,7 +3015,7 @@ chkp_get_bounds_for_decl_addr (tree decl)
       gimple_stmt_iterator gsi = gsi_start_bb (chkp_get_entry_block ());
       gimple stmt;
 
-      bounds = chkp_get_tmp_reg (gimple_build_nop ());
+      bounds = chkp_get_tmp_reg (NULL);
       stmt = gimple_build_assign (bounds, bnd_var);
       gsi_insert_before (&gsi, stmt, GSI_SAME_STMT);
     }
@@ -3059,7 +3059,7 @@ chkp_get_bounds_for_string_cst (tree cst)
       gimple_stmt_iterator gsi = gsi_start_bb (chkp_get_entry_block ());
       gimple stmt;
 
-      bounds = chkp_get_tmp_reg (gimple_build_nop ());
+      bounds = chkp_get_tmp_reg (NULL);
       stmt = gimple_build_assign (bounds, bnd_var);
       gsi_insert_before (&gsi, stmt, GSI_SAME_STMT);
     }