From 9639e8909e13aaa9583972f286972c62dcc26df7 Mon Sep 17 00:00:00 2001
From: Christoph Mallon <christoph.mallon@gmx.de>
Date: Wed, 24 May 2006 15:59:06 +0000
Subject: [PATCH] add exchange_cdep()

[r7797]
---
 ir/ana/cdep.c | 8 ++++++++
 ir/ana/cdep.h | 2 ++
 2 files changed, 10 insertions(+)

diff --git a/ir/ana/cdep.c b/ir/ana/cdep.c
index b6e9d9144..81fdd942b 100644
--- a/ir/ana/cdep.c
+++ b/ir/ana/cdep.c
@@ -18,6 +18,14 @@ cdep* find_cdep(const ir_node* block)
 }
 
 
+void exchange_cdep(ir_node* old, const ir_node* new)
+{
+	cdep* cdep = find_cdep(new);
+
+	pmap_insert(cdep_map, old, cdep);
+}
+
+
 static void add_cdep(ir_node* node, ir_node* dep_on)
 {
   cdep* dep = find_cdep(node);
diff --git a/ir/ana/cdep.h b/ir/ana/cdep.h
index 29d3f7aef..842d72614 100644
--- a/ir/ana/cdep.h
+++ b/ir/ana/cdep.h
@@ -14,6 +14,8 @@ void free_cdep(ir_graph*);
 
 cdep* find_cdep(const ir_node* block);
 
+void exchange_cdep(ir_node* old, const ir_node* new);
+
 int is_cdep_on(const ir_node* dependee, const ir_node* candidate);
 
 int is_iterated_cdep_on(ir_node* dependee, ir_node* candidate);
-- 
2.20.1