From: Christoph Mallon <christoph.mallon@gmx.de>
Date: Mon, 13 Oct 2008 07:26:39 +0000 (+0000)
Subject: Use prevents_AM() in use_dest_am().
X-Git-Url: http://nsz.repo.hu/git/?a=commitdiff_plain;h=a91976f2476feb77860b3f7abea0eaa8c913154e;p=libfirm

Use prevents_AM() in use_dest_am().

[r22826]
---

diff --git a/ir/be/ia32/ia32_transform.c b/ir/be/ia32/ia32_transform.c
index 97fc2643e..b917b9941 100644
--- a/ir/be/ia32/ia32_transform.c
+++ b/ir/be/ia32/ia32_transform.c
@@ -1942,25 +1942,10 @@ static int use_dest_am(ir_node *block, ir_node *node, ir_node *mem,
 		return 0;
 	}
 
-	if (is_Sync(mem)) {
-		int i;
-
-		for (i = get_Sync_n_preds(mem) - 1; i >= 0; --i) {
-			ir_node *const pred = get_Sync_pred(mem, i);
-
-			if (is_Proj(pred) && get_Proj_pred(pred) == load)
-				continue;
-
-			if (get_nodes_block(pred) == block &&
-			    heights_reachable_in_block(heights, pred, load)) {
-				return 0;
-			}
-		}
-	} else {
-		/* Store should be attached to the load */
-		if (!is_Proj(mem) || get_Proj_pred(mem) != load)
-			return 0;
-	}
+	if (prevents_AM(block, load, mem))
+		return 0;
+	/* Store should be attached to the load via mem */
+	assert(heights_reachable_in_block(heights, mem, load));
 
 	return 1;
 }