From e9ccf35b8a18b542603714c84fa2869b24a17af0 Mon Sep 17 00:00:00 2001
From: Quentin Carbonneaux <quentin.carbonneaux@yale.edu>
Date: Thu, 29 Dec 2016 17:58:56 -0500
Subject: do not create useless mem refs

---
 isel.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/isel.c b/isel.c
index 9a60554..708cc0d 100644
--- a/isel.c
+++ b/isel.c
@@ -162,7 +162,7 @@ seladdr(Ref *r, ANum *an, Fn *fn)
 	r0 = *r;
 	if (rtype(r0) == RTmp) {
 		amatch(&a, r0, an, fn, 1);
-		if (req(a.base, R))
+		if (req(a.base, R) || req(a.base, r0))
 			return;
 		chuse(r0, -1, fn);
 		vgrow(&fn->mem, ++fn->nmem);
-- 
cgit 1.4.1