fix bad proj optimisation, fix loads missing the result proj

[libfirm] / ir / be / benode_t.h

diff --git a/ir/be/benode_t.h b/ir/be/benode_t.h
index 2c7760c..ff0af86 100644 (file)
--- a/ir/be/benode_t.h
+++ b/ir/be/benode_t.h
@@ -1,26 +1,39 @@
-/**
- * @file   benode_t.h
- * @date   17.05.2005
- * @author Sebastian Hack
+/*
+ * Copyright (C) 1995-2007 University of Karlsruhe.  All right reserved.
+ *
+ * This file is part of libFirm.
+ *
+ * This file may be distributed and/or modified under the terms of the
+ * GNU General Public License version 2 as published by the Free Software
+ * Foundation and appearing in the file LICENSE.GPL included in the
+ * packaging of this file.
  *
- * Backend node support.
+ * Licensees holding valid libFirm Professional Edition licenses may use
+ * this file in accordance with the libFirm Commercial License.
+ * Agreement provided with the Software.
  *
- * Copyright (C) 2005 Universitaet Karlsruhe
- * Released under the GPL
+ * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+ * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE.
  */
 
-#ifndef _BENODE_T_H
-#define _BENODE_T_H
-
-#include "firm_config.h"
+/**
+ * @file
+ * @brief       Backend node support for generic backend nodes.
+ * @author      Sebastian Hack
+ * @date        17.05.2005
+ * @version     $Id$
+ *
+ * Backend node support for generic backend nodes.
+ * This file provides Perm, Copy, Spill and Reload nodes.
+ */
+#ifndef FIRM_BE_BENODE_T_H
+#define FIRM_BE_BENODE_T_H
 
 #include <limits.h>
 
-#include "irmode.h"
+#include "firm_types.h"
 #include "irnode.h"
-#include "entity_t.h"
-
-#include "be_t.h"
 #include "bearch.h"
 
 #define BE_OUT_POS(p) (-((p) + 1))
@@ -49,7 +62,7 @@ extern ir_op *op_be_FrameStore;
 extern ir_op *op_be_Barrier;
 
 typedef enum {
-       beo_NoBeOp = 0,
+       beo_NoBeOp = -1,
        beo_Spill,
        beo_Reload,
        beo_Perm,
@@ -150,10 +163,38 @@ ir_node *be_new_Perm(const arch_register_class_t *cls, ir_graph *irg, ir_node *b
 ir_node *be_new_MemPerm(const arch_env_t *arch_env, ir_graph *irg, ir_node *bl, int n, ir_node *in[]);
 ir_node *be_new_Keep(const arch_register_class_t *cls, ir_graph *irg, ir_node *bl, int arity, ir_node *in[]);
 
+void be_Keep_add_node(ir_node *keep, const arch_register_class_t *cls, ir_node *node);
+
+/**
+ * Position numbers for the be_FrameLoad inputs
+ */
+enum {
+       be_pos_FrameLoad_mem = 0,
+       be_pos_FrameLoad_ptr = 1
+};
+
 ir_node *be_new_FrameLoad(const arch_register_class_t *cls_frame, const arch_register_class_t *cls_data,
                                                  ir_graph *irg, ir_node *bl, ir_node *mem, ir_node *frame, ir_entity *ent);
+
+/**
+ * Position numbers for the be_FrameStore inputs
+ */
+enum {
+       be_pos_FrameStore_mem = 0,
+       be_pos_FrameStore_ptr = 1,
+       be_pos_FrameStore_val = 2
+};
+
 ir_node *be_new_FrameStore(const arch_register_class_t *cls_frame, const arch_register_class_t *cls_data,
                                                   ir_graph *irg, ir_node *bl, ir_node *mem, ir_node *frame, ir_node *data, ir_entity *ent);
+
+/**
+ * Position numbers for the be_FrameAddr inputs
+ */
+enum {
+       be_pos_FrameAddr_ptr = 0
+};
+
 ir_node *be_new_FrameAddr(const arch_register_class_t *cls_frame, ir_graph *irg, ir_node *bl, ir_node *frame, ir_entity *ent);
 
 /**
@@ -302,6 +343,16 @@ ir_node *be_new_Return(dbg_info *dbg, ir_graph *irg, ir_node *bl, int n_res, int
 /** Returns the number of real returns values */
 int be_Return_get_n_rets(ir_node *ret);
 
+/** appends a node to the return node, returns the position of the node */
+int be_Return_append_node(ir_node *ret, ir_node *node);
+
+/**
+ * StackParam input positions
+ */
+enum {
+       be_pos_StackParam_ptr = 0
+};
+
 /**
  * Construct a new Stack Parameter node.
  */
@@ -310,6 +361,20 @@ ir_node *be_new_RegParams(ir_graph *irg, ir_node *bl, int n_out);
 
 ir_node *be_new_Barrier(ir_graph *irg, ir_node *bl, int n, ir_node *in[]);
 
+/**
+ * Appends a node to a barrier, returns the result proj of the node
+ */
+ir_node *be_Barrier_append_node(ir_node *barrier, ir_node *node);
+
+/**
+ * Appends a register out requirement to a RegParams node
+ *
+ * @returns the proj node for the new register
+ */
+ir_node *be_RegParams_append_out_reg(ir_node *regparams,
+                                     const arch_env_t *arch_env,
+                                     const arch_register_t *reg);
+
 /**
  * Make a spill node.
  *
@@ -453,9 +518,21 @@ void be_phi_handler_free(arch_irn_handler_t *handler);
  */
 void be_phi_handler_reset(arch_irn_handler_t *handler);
 
+/**
+ * Set the register requirements for a phi node.
+ */
+void be_set_phi_reg_req(const arch_env_t *arch_env, ir_node *phi,
+                        const arch_register_req_t *req);
+
+/*
+ * Set flags for a phi node
+ */
+void be_set_phi_flags(const arch_env_t *arch_env, ir_node *phi,
+                      arch_irn_flags_t flags);
+
 /**
  * irn handler for common be nodes.
  */
 extern const arch_irn_handler_t be_node_irn_handler;
 
-#endif /* _BENODE_T_H */
+#endif /* FIRM_BE_BENODE_T_H */