1 // RUN: %clang_cc1 %s -DUSEIT -triple %itanium_abi_triple -emit-llvm -o - | FileCheck %s
2
3 // Test with decls and template defs in pch, and just use in .cpp
4 // RUN: %clang_cc1 %s -DTMPL_DEF_IN_HEADER -triple %itanium_abi_triple -emit-pch -o %t
5 // RUN: %clang_cc1 %s -DTMPL_DEF_IN_HEADER -DUSEIT -triple %itanium_abi_triple -include-pch %t -emit-llvm -o - | FileCheck %s
6
7 // Test with A in pch, and B and C in main
8 // Test with just decls in pch, and template defs and use in .cpp
9 // RUN: %clang_cc1 %s -triple %itanium_abi_triple -emit-pch -o %t
10 // RUN: %clang_cc1 %s -DUSEIT -triple %itanium_abi_triple -include-pch %t -emit-llvm -o - | FileCheck %s
11
12 #ifndef HEADER
13 #define HEADER
14 template < typename T, int N = 0 > class TmplWithArray {
15 public:
16 virtual T& operator [] (int idx);
17 virtual T& func1 (int idx);
18 virtual T& func2 (int idx);
19 T ar[N+1];
20 };
21 struct Wrapper {
22 TmplWithArray<bool, 10> data;
indexItWrapper23 bool indexIt(int a) {
24 if (a > 6) return data[a] ; // Should devirtualize
25 if (a > 4) return data.func1(a); // Should devirtualize
26 return data.func2(a); // Should devirtualize
27 }
28 };
29
30 #ifdef TMPL_DEF_IN_HEADER
31 template <typename T, int N> T& TmplWithArray<T, N >::operator[](int idx) {
32 return ar[idx];
33 }
34 template <typename T, int N> T& TmplWithArray<T, N >::func1(int idx) {
35 return ar[idx];
36 }
37 #endif // TMPL_DEF_IN_HEADER
38 #endif // HEADER
39
40 #ifdef USEIT
41 #ifndef TMPL_DEF_IN_HEADER
42 template <typename T, int N> T& TmplWithArray<T, N >::operator[](int idx) {
43 return ar[idx];
44 }
45 template <typename T, int N> T& TmplWithArray<T, N >::func1(int idx) {
46 return ar[idx];
47 }
48 #endif // !TMPL_DEF_IN_HEADER
49 extern Wrapper ew;
stuff(int p)50 bool stuff(int p)
51 {
52 return ew.indexIt(p);
53 }
54 #endif
55
56 // CHECK-DAG: call {{.*}} @_ZN13TmplWithArrayIbLi10EEixEi
57 // CHECK-DAG: call {{.*}} @_ZN13TmplWithArrayIbLi10EE5func1Ei
58 // CHECK-DAG: call {{.*}} @_ZN13TmplWithArrayIbLi10EE5func2Ei
59
60