1 // RUN: %clang_cc1 -std=c++11 -triple x86_64-apple-darwin10 -emit-llvm -o - %s | FileCheck %s 2 3 template<typename ...Types> get_num_types(Types...)4 int get_num_types(Types...) { 5 return sizeof...(Types); 6 } 7 8 // CHECK-LABEL: define weak_odr i32 @_Z13get_num_typesIJifdEEiDpT_ 9 // CHECK: ret i32 3 10 template int get_num_types(int, float, double); 11 12 // PR10260 - argument packs that expand to nothing 13 namespace test1 { foo()14 template <class... T> void foo() { 15 int values[sizeof...(T)+1] = { T::value... }; 16 // CHECK-LABEL: define linkonce_odr void @_ZN5test13fooIJEEEvv() 17 // CHECK: alloca [1 x i32], align 4 18 } 19 test()20 void test() { 21 foo<>(); 22 } 23 } 24