Remove dead code in pass_tree_loop_init::execute

2014-07-31  Tom de Vries  <tom@codesourcery.com>

	* tree-ssa-loop.c (pass_tree_loop_init::execute): Remove dead code.

From-SVN: r213319

gcc/ChangeLog

+2014-07-31  Tom de Vries  <tom@codesourcery.com>
+
+	* tree-ssa-loop.c (pass_tree_loop_init::execute): Remove dead code.
+
 2014-07-31  Richard Sandiford  <rdsandiford@googlemail.com>
 
 	* ira.c (insn_contains_asm_1, insn_contains_asm): Delete.

gcc/tree-ssa-loop.c

@@ -168,7 +168,7 @@ public:
 }; // class pass_tree_loop_init
 
 unsigned int
-pass_tree_loop_init::execute (function *fun)
+pass_tree_loop_init::execute (function *fun ATTRIBUTE_UNUSED)
 {
   loop_optimizer_init (LOOPS_NORMAL
 		       | LOOPS_HAVE_RECORDED_EXITS);
@@ -178,9 +178,6 @@ pass_tree_loop_init::execute (function *fun)
      regions into reducible.  */
   scev_initialize ();
 
-  if (number_of_loops (fun) <= 1)
-    return 0;
-
   return 0;
 }