From: Christoph Mallon <christoph.mallon@gmx.de>
Date: Thu, 14 Aug 2008 19:43:04 +0000 (+0000)
Subject: Remove the potentially existing Proj when replacing a Cmp() by a Test().
X-Git-Url: http://nsz.repo.hu/git/?a=commitdiff_plain;h=2440343b60976b5a7bcc1ef290f7ca693336254b;p=libfirm

Remove the potentially existing Proj when replacing a Cmp() by a Test().

[r21183]
---

diff --git a/ir/be/ia32/ia32_optimize.c b/ir/be/ia32/ia32_optimize.c
index d42eb0169..341437cc7 100644
--- a/ir/be/ia32/ia32_optimize.c
+++ b/ir/be/ia32/ia32_optimize.c
@@ -178,6 +178,8 @@ static void peephole_ia32_Cmp(ir_node *const node)
 	int                          cmp_unsigned;
 	ir_node                     *test;
 	arch_register_t       const *reg;
+	ir_edge_t             const *edge;
+	ir_edge_t             const *tmp;
 
 	if (get_ia32_op_type(node) != ia32_Normal)
 		return;
@@ -212,6 +214,13 @@ static void peephole_ia32_Cmp(ir_node *const node)
 	reg = arch_get_irn_register(arch_env, node);
 	arch_set_irn_register(arch_env, test, reg);
 
+	foreach_out_edge_safe(node, edge, tmp) {
+		ir_node *const user = get_edge_src_irn(edge);
+
+		if (is_Proj(user))
+			exchange(user, test);
+	}
+
 	sched_add_before(node, test);
 	be_peephole_exchange(node, test);
 }