1 // RUN: %clang_cc1 %s -triple x86_64-unknown-linux-gnu -emit-llvm -w -o - | FileCheck %s
2 
3 struct S {
4   enum { FOO = 42 };
5   enum { BAR = 42 };
6 };
7 
8 template <typename T> struct X {
9   T value;
10   X(T t) : value(t) {}
11   int f() { return value; }
12 };
13 
14 template <typename T> int f(T t) {
15   X<T> x(t);
16   return x.f();
17 }
18 
19 void test() {
20   // Look for two instantiations, one for FOO's
21   // type and one for BAR's.
22   // CHECK-LABEL: define linkonce_odr i32 @_Z1fIN1SUt_EEiT_(i32 %t)
23   (void)f(S::FOO);
24   // CHECK-LABEL: define linkonce_odr i32 @_Z1fIN1SUt0_EEiT_(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-LABEL: define linkonce_odr i32 @_ZN1XIN1SUt0_EE1fEv(%struct.X* %this)
32   // CHECK-LABEL: define linkonce_odr void @_ZN1XIN1SUt0_EEC2ES1_(%struct.X* %this, i32 %t) unnamed_addr
33   //
34   // FOO's instantiation of X:
35   // CHECK-LABEL: define linkonce_odr i32 @_ZN1XIN1SUt_EE1fEv(%struct.X.0* %this)
36   // CHECK-LABEL: define linkonce_odr void @_ZN1XIN1SUt_EEC2ES1_(%struct.X.0* %this, i32 %t) unnamed_addr
37 }
38