Give explicit template instantiations weak ODR linkage. Former
iterations of this patch gave explicit template instantiation
link-once ODR linkage, which permitted the back end to eliminate
unused symbols. Weak ODR linkage still requires the symbols to be
generated.
llvm-svn: 98441
diff --git a/clang/test/CodeGenCXX/explicit-instantiation.cpp b/clang/test/CodeGenCXX/explicit-instantiation.cpp
index ab9174e..24d1a67 100644
--- a/clang/test/CodeGenCXX/explicit-instantiation.cpp
+++ b/clang/test/CodeGenCXX/explicit-instantiation.cpp
@@ -1,5 +1,4 @@
-// RUN: %clang_cc1 -emit-llvm -triple i686-pc-linux-gnu -o %t %s
-// RUN: grep "define i32 @_ZNK4plusIillEclERKiRKl" %t | count 1
+// RUN: %clang_cc1 -emit-llvm -triple i686-pc-linux-gnu -o - %s | FileCheck %s
template<typename T, typename U, typename Result>
struct plus {
@@ -11,4 +10,5 @@
return t + u;
}
+// CHECK: define weak_odr i32 @_ZNK4plusIillEclERKiRKl
template struct plus<int, long, long>;