gimple.h: Remove all includes.

[platform/upstream/gcc.git] / gcc / tree-nrv.c

diff --git a/gcc/tree-nrv.c b/gcc/tree-nrv.c
index bac0a06..b42993d 100644 (file)
--- a/gcc/tree-nrv.c
+++ b/gcc/tree-nrv.c
@@ -1,6 +1,5 @@
 /* Language independent return value optimizations
-   Copyright (C) 2004, 2005, 2007, 2008, 2009, 2010
-   Free Software Foundation, Inc.
+   Copyright (C) 2004-2013 Free Software Foundation, Inc.
 
 This file is part of GCC.
 
@@ -26,7 +25,16 @@ along with GCC; see the file COPYING3.  If not see
 #include "function.h"
 #include "basic-block.h"
 #include "tree-pretty-print.h"
-#include "tree-flow.h"
+#include "tree-ssa-alias.h"
+#include "internal-fn.h"
+#include "gimple-expr.h"
+#include "is-a.h"
+#include "gimple.h"
+#include "gimple-iterator.h"
+#include "gimple-walk.h"
+#include "gimple-ssa.h"
+#include "stringpool.h"
+#include "tree-ssanames.h"
 #include "tree-pass.h"
 #include "langhooks.h"
 #include "flags.h"     /* For "optimize" in gate_pass_return_slot.
@@ -261,8 +269,6 @@ tree_nrv (void)
   SET_DECL_VALUE_EXPR (found, result);
   DECL_HAS_VALUE_EXPR_P (found) = 1;
 
-  /* FOUND is no longer used.  Ensure it gets removed.  */
-  clear_is_used (found);
   return 0;
 }
 
@@ -272,25 +278,44 @@ gate_pass_return_slot (void)
   return optimize > 0;
 }
 
-struct gimple_opt_pass pass_nrv =
+namespace {
+
+const pass_data pass_data_nrv =
 {
- {
-  GIMPLE_PASS,
-  "nrv",                               /* name */
-  gate_pass_return_slot,               /* gate */
-  tree_nrv,                            /* execute */
-  NULL,                                        /* sub */
-  NULL,                                        /* next */
-  0,                                   /* static_pass_number */
-  TV_TREE_NRV,                         /* tv_id */
-  PROP_ssa | PROP_cfg,                         /* properties_required */
-  0,                                   /* properties_provided */
-  0,                                   /* properties_destroyed */
-  0,                                   /* todo_flags_start */
-  TODO_ggc_collect                     /* todo_flags_finish */
- }
+  GIMPLE_PASS, /* type */
+  "nrv", /* name */
+  OPTGROUP_NONE, /* optinfo_flags */
+  true, /* has_gate */
+  true, /* has_execute */
+  TV_TREE_NRV, /* tv_id */
+  ( PROP_ssa | PROP_cfg ), /* properties_required */
+  0, /* properties_provided */
+  0, /* properties_destroyed */
+  0, /* todo_flags_start */
+  0, /* todo_flags_finish */
 };
 
+class pass_nrv : public gimple_opt_pass
+{
+public:
+  pass_nrv (gcc::context *ctxt)
+    : gimple_opt_pass (pass_data_nrv, ctxt)
+  {}
+
+  /* opt_pass methods: */
+  bool gate () { return gate_pass_return_slot (); }
+  unsigned int execute () { return tree_nrv (); }
+
+}; // class pass_nrv
+
+} // anon namespace
+
+gimple_opt_pass *
+make_pass_nrv (gcc::context *ctxt)
+{
+  return new pass_nrv (ctxt);
+}
+
 /* Determine (pessimistically) whether DEST is available for NRV
    optimization, where DEST is expected to be the LHS of a modify
    expression where the RHS is a function returning an aggregate.
@@ -357,21 +382,39 @@ execute_return_slot_opt (void)
   return 0;
 }
 
-struct gimple_opt_pass pass_return_slot =
+namespace {
+
+const pass_data pass_data_return_slot =
 {
- {
-  GIMPLE_PASS,
-  "retslot",                           /* name */
-  NULL,                                        /* gate */
-  execute_return_slot_opt,             /* execute */
-  NULL,                                        /* sub */
-  NULL,                                        /* next */
-  0,                                   /* static_pass_number */
-  TV_NONE,                             /* tv_id */
-  PROP_ssa,                            /* properties_required */
-  0,                                   /* properties_provided */
-  0,                                   /* properties_destroyed */
-  0,                                   /* todo_flags_start */
-  0                                    /* todo_flags_finish */
- }
+  GIMPLE_PASS, /* type */
+  "retslot", /* name */
+  OPTGROUP_NONE, /* optinfo_flags */
+  false, /* has_gate */
+  true, /* has_execute */
+  TV_NONE, /* tv_id */
+  PROP_ssa, /* properties_required */
+  0, /* properties_provided */
+  0, /* properties_destroyed */
+  0, /* todo_flags_start */
+  0, /* todo_flags_finish */
 };
+
+class pass_return_slot : public gimple_opt_pass
+{
+public:
+  pass_return_slot (gcc::context *ctxt)
+    : gimple_opt_pass (pass_data_return_slot, ctxt)
+  {}
+
+  /* opt_pass methods: */
+  unsigned int execute () { return execute_return_slot_opt (); }
+
+}; // class pass_return_slot
+
+} // anon namespace
+
+gimple_opt_pass *
+make_pass_return_slot (gcc::context *ctxt)
+{
+  return new pass_return_slot (ctxt);
+}