From: Christoph Mallon <christoph.mallon@gmx.de>
Date: Fri, 29 Apr 2011 11:50:24 +0000 (+0200)
Subject: Add simple transfer function for Confirm in fp-vrp.
X-Git-Url: http://nsz.repo.hu/git/?a=commitdiff_plain;h=0556f003594af07a1f21062ecb87996d877a2588;p=libfirm

Add simple transfer function for Confirm in fp-vrp.
---

diff --git a/ir/opt/fp-vrp.c b/ir/opt/fp-vrp.c
index 11a169edc..e25715f88 100644
--- a/ir/opt/fp-vrp.c
+++ b/ir/opt/fp-vrp.c
@@ -258,6 +258,15 @@ result_unknown_X:
 				break;
 			}
 
+			case iro_Confirm: {
+				ir_node* const v = get_Confirm_value(irn);
+				bitinfo* const b = get_bitinfo(v);
+				/* TODO Use bound and relation. */
+				z = b->z;
+				o = b->o;
+				break;
+			}
+
 			case iro_Shl: {
 				bitinfo*   const l  = get_bitinfo(get_Shl_left(irn));
 				bitinfo*   const r  = get_bitinfo(get_Shl_right(irn));