Make deleting and complete dtor variants defer to other dtor variants by

calling them as subroutines.  This triggers whenever the alias optimization
doesn't, i.e. when the dtor has linkonce linkage or there are virtual bases
or it's the deleting dtor.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@96605 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 33 insertions, 1 deletions

diff --git a/test/CodeGenCXX/virtual-base-destructor-call.cpp b/test/CodeGenCXX/virtual-base-destructor-call.cpp
index 1ee598afdc..b6e85e208b 100644
--- a/test/CodeGenCXX/virtual-base-destructor-call.cpp
+++ b/test/CodeGenCXX/virtual-base-destructor-call.cpp
@@ -16,4 +16,36 @@ basic_iostream<char> res;
 int main() {
 }
 
-// CHECK: call void @_ZN9basic_iosD2Ev
+// basic_iostream's complete dtor calls its base dtor, then its
+// virtual base's dtor.
+//  CHECK: define linkonce_odr void @_ZN14basic_iostreamIcED1Ev
+//  CHECK: call void @_ZN14basic_iostreamIcED2Ev
+//  CHECK: call void @_ZN9basic_iosD2Ev
+
+// basic_iostream's deleting dtor calls its complete dtor, then
+// operator delete().
+//  CHECK: define linkonce_odr void @_ZN14basic_iostreamIcED0Ev
+//  CHECK: call void @_ZN14basic_iostreamIcED1Ev
+//  CHECK: call void @_ZdlPv
+
+// basic_istream's complete dtor calls the base dtor,
+// then its virtual base's base dtor.
+//  CHECK: define linkonce_odr void @_ZN13basic_istreamIcED1Ev
+//  CHECK: call void @_ZN13basic_istreamIcED2Ev
+//  CHECK: call void @_ZN9basic_iosD2Ev
+
+// basic_istream's deleting dtor calls the complete dtor, then
+// operator delete().
+//  CHECK: define linkonce_odr void @_ZN13basic_istreamIcED0Ev
+//  CHECK: call void @_ZN13basic_istreamIcED1Ev
+//  CHECK: call void @_ZdlPv
+
+// basic_iostream's base dtor calls its non-virtual base dtor.
+//  CHECK: define linkonce_odr void @_ZN14basic_iostreamIcED2Ev
+//  CHECK: call void @_ZN13basic_istreamIcED2Ev
+//  CHECK: }
+
+// basic_istream's base dtor is a no-op.
+//  CHECK: define linkonce_odr void @_ZN13basic_istreamIcED2Ev
+//  CHECK-NOT: call
+//  CHECK: }