diff options
Diffstat (limited to 'test/CodeGenCXX/explicit-instantiation.cpp')
-rw-r--r-- | test/CodeGenCXX/explicit-instantiation.cpp | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/test/CodeGenCXX/explicit-instantiation.cpp b/test/CodeGenCXX/explicit-instantiation.cpp index 24d1a67..b829585 100644 --- a/test/CodeGenCXX/explicit-instantiation.cpp +++ b/test/CodeGenCXX/explicit-instantiation.cpp @@ -1,5 +1,8 @@ // RUN: %clang_cc1 -emit-llvm -triple i686-pc-linux-gnu -o - %s | FileCheck %s +// This check logically is attached to 'template int S<int>::i;' below. +// CHECK: @_ZN1SIiE1iE = weak global i32 + template<typename T, typename U, typename Result> struct plus { Result operator()(const T& t, const U& u) const; @@ -12,3 +15,31 @@ Result plus<T, U, Result>::operator()(const T& t, const U& u) const { // CHECK: define weak_odr i32 @_ZNK4plusIillEclERKiRKl template struct plus<int, long, long>; + +// Check that we emit definitions from explicit instantiations even when they +// occur prior to the definition itself. +template <typename T> struct S { + void f(); + static void g(); + static int i; + struct S2 { + void h(); + }; +}; + +// CHECK: define weak_odr void @_ZN1SIiE1fEv +template void S<int>::f(); + +// CHECK: define weak_odr void @_ZN1SIiE1gEv +template void S<int>::g(); + +// See the check line at the top of the file. +template int S<int>::i; + +// CHECK: define weak_odr void @_ZN1SIiE2S21hEv +template void S<int>::S2::h(); + +template <typename T> void S<T>::f() {} +template <typename T> void S<T>::g() {} +template <typename T> int S<T>::i; +template <typename T> void S<T>::S2::h() {} |