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authorAnders Carlsson <andersca@mac.com>2009-12-10 22:25:34 +0000
committerAnders Carlsson <andersca@mac.com>2009-12-10 22:25:34 +0000
commit548e60efea9a1d2c31679e11e9ff0d2f19b96694 (patch)
tree3e2d27d22d7576821529b48edc4103ca221f3f19 /test/CodeGenCXX/template-linkage.cpp
parent5f16e521ebb2e99fc07970545083fa07426e39d1 (diff)
Make sure that explicitly instantiated functions get the right linkage.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@91069 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGenCXX/template-linkage.cpp')
-rw-r--r--test/CodeGenCXX/template-linkage.cpp24
1 files changed, 24 insertions, 0 deletions
diff --git a/test/CodeGenCXX/template-linkage.cpp b/test/CodeGenCXX/template-linkage.cpp
new file mode 100644
index 0000000000..8013ba44c5
--- /dev/null
+++ b/test/CodeGenCXX/template-linkage.cpp
@@ -0,0 +1,24 @@
+// RUN: clang-cc %s -triple=x86_64-apple-darwin10 -emit-llvm -o - | FileCheck %s
+template<typename T> struct A {
+ virtual void f(T) { }
+ inline void g() { }
+};
+
+// Explicit instantiations have external linkage.
+
+// CHECK: define void @_ZN1AIiE1gEv(
+template void A<int>::g();
+
+// CHECK: define void @_ZN1AIfE1fEf(
+// CHECK: define void @_ZN1AIfE1gEv(
+// FIXME: This should also emit the vtable.
+template struct A<float>;
+
+// CHECK: define void @_Z1fIiEvT_
+template <typename T> void f(T) { }
+template void f<int>(int);
+
+// CHECK: define void @_Z1gIiEvT_
+template <typename T> inline void g(T) { }
+template void g<int>(int);
+