gimplify.c (gimplify_function_tree): Fix building calls to __builtin_return_address.

gcc/
	* gimplify.c (gimplify_function_tree): Fix building calls
	to __builtin_return_address.

gcc/testsuite/
	* gcc.dg/20001117-1.c: Abort on NULL call_sites.


Co-Authored-By: Nathan Froyd <froydnj@codesourcery.com>

From-SVN: r170738

gcc/ChangeLog

+2011-03-07  Paul Wögerer  <paul_woegerer@mentor.com>
+
+	* gimplify.c (gimplify_function_tree): Fix building calls
+	to __builtin_return_address.
+
 2011-03-07  Alan Modra  <amodra@gmail.com>
 
 	* config/rs6000/linux.h (TARGET_ASM_FILE_END): Don't define.

gcc/gimplify.c

@@ -7868,7 +7868,7 @@ gimplify_function_tree (tree fndecl)
       gimple call;
 
       x = implicit_built_in_decls[BUILT_IN_RETURN_ADDRESS];
-      call = gimple_build_call (x, 0);
+      call = gimple_build_call (x, 1, integer_zero_node);
       tmp_var = create_tmp_var (ptr_type_node, "return_addr");
       gimple_call_set_lhs (call, tmp_var);
       gimplify_seq_add_stmt (&cleanup, call);
@@ -7880,7 +7880,7 @@ gimplify_function_tree (tree fndecl)
       tf = gimple_build_try (seq, cleanup, GIMPLE_TRY_FINALLY);
 
       x = implicit_built_in_decls[BUILT_IN_RETURN_ADDRESS];
-      call = gimple_build_call (x, 0);
+      call = gimple_build_call (x, 1, integer_zero_node);
       tmp_var = create_tmp_var (ptr_type_node, "return_addr");
       gimple_call_set_lhs (call, tmp_var);
       gimplify_seq_add_stmt (&body, call);

gcc/testsuite/ChangeLog

+2011-03-07  Paul Wögerer  <paul_woegerer@mentor.com>
+	    Nathan Froyd  <froydnj@codesourcery.com>
+
+	* gcc.dg/20001117-1.c: Abort on NULL call_sites.
+
 2011-03-06  Mark Mitchell  <mark@codesourcery.com>
 
 	* README.QMTEST: Remove.

gcc/testsuite/gcc.dg/20001117-1.c

@@ -24,5 +24,19 @@ int main ()
   exit (0);
 }
 
-void __attribute__((no_instrument_function)) __cyg_profile_func_enter(void *this_fn, void *call_site) { }
-void __attribute__((no_instrument_function)) __cyg_profile_func_exit(void *this_fn, void *call_site) { } 
+/* Abort on non-NULL CALL_SITE to ensure that __builtin_return_address
+   was expanded properly.  */
+void __attribute__((no_instrument_function))
+__cyg_profile_func_enter(void *this_fn, void *call_site)
+{
+  if (call_site == (void *)0)
+    abort ();
+}
+
+void __attribute__((no_instrument_function))
+__cyg_profile_func_exit(void *this_fn, void *call_site)
+{
+  if (call_site == (void *)0)
+    abort ();
+}
+