From: Matthias Braun <matze@braunis.de>
Date: Sat, 8 Sep 2007 09:21:13 +0000 (+0000)
Subject: make sure loops are analysid in loopana, reformatted belower
X-Git-Url: http://nsz.repo.hu/git/?a=commitdiff_plain;h=63dd9d13d956f37619a42d38ebf404c4d39f3c5d;p=libfirm

make sure loops are analysid in loopana, reformatted belower

[r15718]
---

diff --git a/ir/be/beloopana.c b/ir/be/beloopana.c
index 65541aee3..26bb60ec9 100644
--- a/ir/be/beloopana.c
+++ b/ir/be/beloopana.c
@@ -169,6 +169,11 @@ be_loopana_t *be_new_loop_pressure_cls(be_irg_t *birg,
 	DBG((dbg, LEVEL_1, " Computing register pressure for class %s:\n", cls->name));
 	DBG((dbg, LEVEL_1, "=====================================================\n", cls->name));
 
+	/* construct control flow loop tree */
+	if (! (get_irg_loopinfo_state(irg) & loopinfo_cf_consistent)) {
+		construct_cf_backedges(irg);
+	}
+
 	be_compute_loop_pressure(loop_ana, get_irg_loop(irg), cls);
 
 	return loop_ana;
@@ -190,6 +195,11 @@ be_loopana_t *be_new_loop_pressure(be_irg_t *birg) {
 	loop_ana->data = new_set(cmp_loop_info, 16);
 	loop_ana->birg = birg;
 
+	/* construct control flow loop tree */
+	if (! (get_irg_loopinfo_state(irg) & loopinfo_cf_consistent)) {
+		construct_cf_backedges(irg);
+	}
+
 	for (i = arch_isa_get_n_reg_class(isa) - 1; i >= 0; --i) {
 		const arch_register_class_t *cls = arch_isa_get_reg_class(isa, i);
 		DBG((dbg, LEVEL_1, "\n=====================================================\n", cls->name));
diff --git a/ir/be/belower.c b/ir/be/belower.c
index bd219990f..3cbeec92a 100644
--- a/ir/be/belower.c
+++ b/ir/be/belower.c
@@ -1005,15 +1005,18 @@ found_front:
  * @param walk_env The walker environment
  */
 static void lower_nodes_after_ra_walker(ir_node *irn, void *walk_env) {
-	if (! is_Block(irn) && ! is_Proj(irn)) {
-		if (be_is_Perm(irn)) {
-			int perm_stayed = push_through_perm(irn, walk_env);
-			if (perm_stayed)
-				lower_perm_node(irn, walk_env);
-		}
-	}
+	int perm_stayed;
 
-	return;
+	if (is_Block(irn) || is_Proj(irn))
+		return;
+	if (!be_is_Perm(irn))
+		return;
+
+	perm_stayed = push_through_perm(irn, walk_env);
+	if (!perm_stayed)
+		return;
+
+	lower_perm_node(irn, walk_env);
 }
 
 /**