From 3dd73e256fae2b0373ddb890f129942329fc6fa8 Mon Sep 17 00:00:00 2001
From: Alon Zakai <alonzakai@gmail.com>
Date: Mon, 17 Feb 2014 14:01:34 -0800
Subject: only emit declares with uses

---
 lib/Target/JSBackend/JSBackend.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/Target/JSBackend/JSBackend.cpp b/lib/Target/JSBackend/JSBackend.cpp
index 97f4be7c92..a8530b1b1f 100644
--- a/lib/Target/JSBackend/JSBackend.cpp
+++ b/lib/Target/JSBackend/JSBackend.cpp
@@ -1758,7 +1758,7 @@ void JSWriter::printModuleBody() {
   bool first = true;
   for (Module::const_iterator I = TheModule->begin(), E = TheModule->end();
        I != E; ++I) {
-    if (I->isDeclaration()) {
+    if (I->isDeclaration() && I->hasNUsesOrMore(1)) {
       if (first) {
         first = false;
       } else {
-- 
cgit v1.2.3-18-g5258