From: verwaest@chromium.org <verwaest@chromium.org@ce2b1a6d-e550-0410-aec6-3dcde31c8c00>
Date: Tue, 30 Jul 2013 09:06:42 +0000 (+0000)
Subject: HasNonSmiUse should ignore tagged uses
X-Git-Tag: upstream/4.7.83~13144
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=f328c2c77c9777e163266064424445a29a31597a;p=platform%2Fupstream%2Fv8.git

HasNonSmiUse should ignore tagged uses

R=verwaest@chromium.org

Review URL: https://chromiumcodereview.appspot.com/21105006

Patch from Weiliang Lin <weiliang.lin2@gmail.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15950 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
---

diff --git a/src/hydrogen-instructions.cc b/src/hydrogen-instructions.cc
index 743bb09..54b53db 100644
--- a/src/hydrogen-instructions.cc
+++ b/src/hydrogen-instructions.cc
@@ -4375,7 +4375,11 @@ bool HValue::HasNonSmiUse() {
     // We check for observed_input_representation elsewhere.
     Representation use_rep =
         it.value()->RequiredInputRepresentation(it.index());
-    if (!use_rep.IsNone() && !use_rep.IsSmi()) return true;
+    if (!use_rep.IsNone() &&
+        !use_rep.IsSmi() &&
+        !use_rep.IsTagged()) {
+      return true;
+    }
   }
   return false;
 }