1 | // RUN: %clang_cc1 -std=c++11 -triple x86_64-apple-darwin10 -emit-llvm -o - %s | FileCheck %s |
2 | |
3 | template<typename ...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 { |
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 | |
20 | void test() { |
21 | foo<>(); |
22 | } |
23 | } |
24 | |