+2012-02-16 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/52285
+ * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
+ when deciding if a call is a tail call or tail recursion.
+
2012-02-16 Kai Tietz <ktietz@redhat.com>
* config/i386/i386.c (legitimate_pic_address_disp_p): Allow
/* Tail call optimization on trees.
- Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
+ Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
Free Software Foundation, Inc.
This file is part of GCC.
{
stmt = gsi_stmt (gsi);
- /* Ignore labels, returns and debug stmts. */
+ /* Ignore labels, returns, clobbers and debug stmts. */
if (gimple_code (stmt) == GIMPLE_LABEL
|| gimple_code (stmt) == GIMPLE_RETURN
+ || gimple_clobber_p (stmt)
|| is_gimple_debug (stmt))
continue;
if (gimple_code (stmt) == GIMPLE_RETURN)
break;
+ if (gimple_clobber_p (stmt))
+ continue;
+
if (is_gimple_debug (stmt))
continue;