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-rw-r--r--clang/test/CodeGenCXX/variadic-templates.cpp23
1 files changed, 23 insertions, 0 deletions
diff --git a/clang/test/CodeGenCXX/variadic-templates.cpp b/clang/test/CodeGenCXX/variadic-templates.cpp
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+++ b/clang/test/CodeGenCXX/variadic-templates.cpp
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+// RUN: %clang_cc1 -std=c++11 -triple x86_64-apple-darwin10 -emit-llvm -o - %s | FileCheck %s
+
+template<typename ...Types>
+int get_num_types(Types...) {
+ return sizeof...(Types);
+}
+
+// CHECK: define weak_odr i32 @_Z13get_num_typesIJifdEEiDpT_
+// CHECK: ret i32 3
+template int get_num_types(int, float, double);
+
+// PR10260 - argument packs that expand to nothing
+namespace test1 {
+ template <class... T> void foo() {
+ int values[sizeof...(T)+1] = { T::value... };
+ // CHECK: define linkonce_odr void @_ZN5test13fooIJEEEvv()
+ // CHECK: alloca [1 x i32], align 4
+ }
+
+ void test() {
+ foo<>();
+ }
+}