From 2f2aa72ff134ccba36406df1e81da2f9d92aeaa4 Mon Sep 17 00:00:00 2001
From: Matthias Braun <matze@braunis.de>
Date: Thu, 14 Dec 2006 14:42:39 +0000
Subject: [PATCH] added a skip_Proj_const...

[r8460]
---
 ir/ir/irnode.c | 24 +++++++++++++++++++-----
 ir/ir/irnode.h |  2 ++
 2 files changed, 21 insertions(+), 5 deletions(-)

diff --git a/ir/ir/irnode.c b/ir/ir/irnode.c
index cee393305..68d2d7061 100644
--- a/ir/ir/irnode.c
+++ b/ir/ir/irnode.c
@@ -2376,11 +2376,25 @@ get_irn_irg(const ir_node *node) {
 ir_node *
 skip_Proj (ir_node *node) {
   /* don't assert node !!! */
-  if (node != NULL && is_Proj(node)) {
-    return get_Proj_pred(node);
-  } else {
-    return (ir_node*) node;
-  }
+  if (node == NULL)
+    return NULL;
+
+  if (is_Proj(node))
+	node = get_Proj_pred(node);
+
+  return node;
+}
+
+const ir_node *
+skip_Proj_const (const ir_node *node) {
+  /* don't assert node !!! */
+  if (node == NULL)
+    return NULL;
+
+  if (is_Proj(node))
+	node = get_Proj_pred(node);
+
+  return node;
 }
 
 ir_node *
diff --git a/ir/ir/irnode.h b/ir/ir/irnode.h
index 5309e3c3d..c25970069 100644
--- a/ir/ir/irnode.h
+++ b/ir/ir/irnode.h
@@ -1111,6 +1111,8 @@ void    set_Pin_op(ir_node *pin, ir_node *node);
 
 /** returns operand of node if node is a Proj. */
 ir_node *skip_Proj(ir_node *node);
+/** returns operand of node if node is a Proj. */
+const ir_node *skip_Proj_const(const ir_node *node);
 /** returns operand of node if node is a Id */
 ir_node *skip_Id(ir_node *node);   /* Old name is skip_nop(). */
 /** returns corresponding operand of Tuple if node is a Proj from
-- 
2.20.1