X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fopt%2Fldstopt.c;h=829cdae6f36ead36241ddde147d2d1b464c40344;hb=d7a1deb733ab0ef3eb078754e3244ec4930d0981;hp=f3a2f6d0971af17b5ec656eec2ecb77245926e36;hpb=eb08138c6b80c169945568e4414f491a9bc20388;p=libfirm

diff --git a/ir/opt/ldstopt.c b/ir/opt/ldstopt.c
index f3a2f6d09..829cdae6f 100644
--- a/ir/opt/ldstopt.c
+++ b/ir/opt/ldstopt.c
@@ -17,23 +17,19 @@
  * PURPOSE.
  */
 
-/*
- * Project:     libFIRM
- * File name:   ir/opt/ldstopt.c
- * Purpose:     load store optimizations
- * Author:      Michael Beck
- * Created:
- * CVS-ID:      $Id$
- * Copyright:   (c) 1998-2007 Universität Karlsruhe
+/**
+ * @file
+ * @brief   Load/Store optimizations.
+ * @author  Michael Beck
+ * @version $Id$
  */
 #ifdef HAVE_CONFIG_H
 # include "config.h"
 #endif
 
-#ifdef HAVE_STRING_H
-# include <string.h>
-#endif
+#include <string.h>
 
+#include "iroptimize.h"
 #include "irnode_t.h"
 #include "irgraph_t.h"
 #include "irmode_t.h"
@@ -1070,22 +1066,6 @@ static unsigned optimize_phi(ir_node *phi, walk_env_t *wenv)
 	for (i = 0; i < n; ++i)
 		stores[i] = skip_Proj(get_Phi_pred(phi, i));
 
-	/* Prepare: Skip the memory Proj: we need this in the case some stores
-	   are cascaded.
-	   Beware: One Store might be included more than once in the stores[]
-	   list, so we must prevent to do the exchange more than once.
-	 */
-	for (i = 0; i < n; ++i) {
-		ir_node *store = stores[i];
-		ir_node *proj_m;
-
-		info = get_irn_link(store);
-		proj_m = info->projs[pn_Store_M];
-
-		if (is_Proj(proj_m) && get_Proj_pred(proj_m) == store)
-			exchange(proj_m, get_Store_mem(store));
-	}
-
 	/* first step: collect all inputs */
 	for (i = 0; i < n; ++i) {
 		ir_node *store = stores[i];
@@ -1094,6 +1074,8 @@ static unsigned optimize_phi(ir_node *phi, walk_env_t *wenv)
 		inM[i] = get_Store_mem(store);
 		inD[i] = get_Store_value(store);
 		idx[i] = info->exc_idx;
+
+		kill_node(store);
 	}
 	block = get_nodes_block(phi);