Produce direct calls instead of alias to linkonce_odr functions.

This is a small optimization on linux, but should help more on windows
where msvc only outputs one destructor if there would be two identical ones.

llvm-svn: 194046

1 files changed, 3 insertions, 6 deletions

diff --git a/clang/test/CodeGenCXX/ctor-dtor-alias.cpp b/clang/test/CodeGenCXX/ctor-dtor-alias.cpp
index e658522d799..ff9bd7c5c5c 100644
--- a/clang/test/CodeGenCXX/ctor-dtor-alias.cpp
+++ b/clang/test/CodeGenCXX/ctor-dtor-alias.cpp
@@ -13,12 +13,11 @@ template struct foobar<void>;
 }
 
 namespace test2 {
-// test that we produce an alias when the destrucor is linkonce_odr. Note that
-// the alias itself is weak_odr to make sure we don't get a translation unit
-// with just _ZN5test26foobarIvEC2Ev in it.
+// test that when the destrucor is linkonce_odr we just replace every use of
+// C1 with C2.
 
-// CHECK-DAG: @_ZN5test26foobarIvEC1Ev = alias weak_odr void (%"struct.test2::foobar"*)* @_ZN5test26foobarIvEC2Ev
 // CHECK-DAG: define linkonce_odr void @_ZN5test26foobarIvEC2Ev(
+// CHECK-DAG: call void @_ZN5test26foobarIvEC2Ev
 void g();
 template <typename T> struct foobar {
   foobar() { g(); }
@@ -48,9 +47,7 @@ namespace test4 {
   // Test that we don't produce aliases from B to A. We cannot because we cannot
   // guarantee that they will be present in every TU.
 
-  // CHECK-DAG: @_ZN5test41BD1Ev = alias weak_odr void (%"struct.test4::B"*)* @_ZN5test41BD2Ev
   // CHECK-DAG: define linkonce_odr void @_ZN5test41BD2Ev(
-  // CHECK-DAG: @_ZN5test41AD1Ev = alias weak_odr void (%"struct.test4::A"*)* @_ZN5test41AD2Ev
   // CHECK-DAG: define linkonce_odr void @_ZN5test41AD2Ev(
   struct A {
     virtual ~A() {}