From: Christoph Mallon <christoph.mallon@gmx.de>
Date: Sat, 4 Oct 2008 12:26:31 +0000 (+0000)
Subject: Ensure that empty functions get their ret $0 by skipping iro_Start and beo_RegParams.
X-Git-Url: http://nsz.repo.hu/git/?a=commitdiff_plain;h=a3d6138678ba48371a6f1683a3cbbcca81e5b167;p=libfirm

Ensure that empty functions get their ret $0 by skipping iro_Start and beo_RegParams.

[r22465]
---

diff --git a/ir/be/ia32/ia32_optimize.c b/ir/be/ia32/ia32_optimize.c
index 719c158d5..960cf27aa 100644
--- a/ir/be/ia32/ia32_optimize.c
+++ b/ir/be/ia32/ia32_optimize.c
@@ -327,8 +327,10 @@ static void peephole_ia32_Return(ir_node *node) {
 		case beo_Return:
 			/* the return node itself, ignore */
 			continue;
+		case iro_Start:
+		case beo_RegParams:
 		case beo_Barrier:
-			/* ignore the barrier, no code generated */
+			/* ignore no code generated */
 			continue;
 		case beo_IncSP:
 			/* arg, IncSP 0 nodes might occur, ignore these */