1// RUN: %clang_cc1 %s -triple x86_64-unknown-linux-gnu -emit-llvm -o - | FileCheck %s
2
3struct S {
4  enum { FOO = 42 };
5  enum { BAR = 42 };
6};
7
8template <typename T> struct X {
9  T value;
10  X(T t) : value(t) {}
11  int f() { return value; }
12};
13
14template <typename T> int f(T t) {
15  X<T> x(t);
16  return x.f();
17}
18
19void test() {
20  // Look for two instantiations, entirely internal to this TU, one for FOO's
21  // type and one for BAR's.
22  // CHECK: define internal i32 @"_Z1fIN1S3$_0EEiT_"(i32 %t)
23  (void)f(S::FOO);
24  // CHECK: define internal i32 @"_Z1fIN1S3$_1EEiT_"(i32 %t)
25  (void)f(S::BAR);
26
27  // Now check for the class template instantiations. Annoyingly, they are in
28  // reverse order.
29  //
30  // BAR's instantiation of X:
31  // CHECK: define internal i32 @"_ZN1XIN1S3$_1EE1fEv"(%struct.X* %this)
32  // CHECK: define internal void @"_ZN1XIN1S3$_1EEC2ES1_"(%struct.X* %this, i32 %t) unnamed_addr
33  //
34  // FOO's instantiation of X:
35  // CHECK: define internal i32 @"_ZN1XIN1S3$_0EE1fEv"(%struct.X.0* %this)
36  // CHECK: define internal void @"_ZN1XIN1S3$_0EEC2ES1_"(%struct.X.0* %this, i32 %t) unnamed_addr
37}
38