From: Bill Wendling <isanbard@gmail.com>
Date: Fri, 12 Oct 2012 01:15:17 +0000 (+0000)
Subject: Mark function as 'used' so that LTO doesn't try to get rid of it.
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=5665a3dbc909c1450ac17e311977cbaf9025525b;p=oota-llvm.git

Mark function as 'used' so that LTO doesn't try to get rid of it.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165777 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/unittests/ExecutionEngine/JIT/JITTest.cpp b/unittests/ExecutionEngine/JIT/JITTest.cpp
index 5e2af030f20..1eff4d649ec 100644
--- a/unittests/ExecutionEngine/JIT/JITTest.cpp
+++ b/unittests/ExecutionEngine/JIT/JITTest.cpp
@@ -633,7 +633,7 @@ TEST_F(JITTest, AvailableExternallyGlobalIsntEmitted) {
 // This function is intentionally defined differently in the statically-compiled
 // program from the IR input to the JIT to assert that the JIT doesn't use its
 // definition.
-extern "C" int32_t JITTest_AvailableExternallyFunction() {
+extern "C" int32_t JITTest_AvailableExternallyFunction() __attribute__((used)) {
   return 42;
 }
 namespace {