llvm-project/clang/test/CodeGenCXX/visibility-hidden-extern-templates.cpp
Petr Hosek 516e6cc1dd [Clang] Disable new PM for tests that use optimization level -O1, -O2 and -O3
Tests that use -O1, -O2 and -O3 would often produce different results
with the new pass manager which makes these tests fail. Disable new PM
explicitly for these tests.

Differential Revision: https://reviews.llvm.org/D58375

llvm-svn: 362580
2019-06-05 03:17:11 +00:00

27 lines
689 B
C++

// RUN: %clang_cc1 -O1 -fno-experimental-new-pass-manager -triple %itanium_abi_triple -emit-llvm -o - -fvisibility hidden %s | FileCheck %s
template<typename T>
struct X {
void f();
void g() { }
};
template<typename T> void X<T>::f() { }
extern template struct X<int>;
template struct X<int>;
extern template struct X<char>;
// <rdar://problem/8109763>
void test_X(X<int> xi, X<char> xc) {
// CHECK-LABEL: define weak_odr hidden {{.*}}void @_ZN1XIiE1fEv
xi.f();
// CHECK-LABEL: define weak_odr hidden {{.*}}void @_ZN1XIiE1gEv
xi.g();
// CHECK: declare {{.*}}void @_ZN1XIcE1fEv
xc.f();
// CHECK-LABEL: define available_externally {{.*}}void @_ZN1XIcE1gEv
xc.g();
}