Add missing dllimport member pointer template argument test from r307446

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@307670 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 58 insertions, 0 deletions

diff --git a/test/CodeGenCXX/dllimport-memptr-global.cpp b/test/CodeGenCXX/dllimport-memptr-global.cpp
new file mode 100644
index 0000000000..e64537b8b9
--- /dev/null
+++ b/test/CodeGenCXX/dllimport-memptr-global.cpp
@@ -0,0 +1,58 @@
+// Also check that -Wglobal-constructors does the right thing. Strictly
+// speaking, this is a Sema test, but this avoids test case duplication.
+// RUN: %clang_cc1 -Wglobal-constructors %s -verify -triple i686-windows-msvc -fms-extensions -std=c++11
+//
+// RUN: %clang_cc1 %s -emit-llvm -o - -triple i686-windows-msvc -fms-extensions -std=c++11 | FileCheck %s
+
+struct __declspec(dllimport) Single {
+  void nonvirt();
+  virtual void virt();
+};
+
+struct A { int a; };
+struct B { int b; };
+struct __declspec(dllimport) Multi : A, B {
+  void nonvirt();
+  virtual void virt();
+};
+
+struct __declspec(dllimport) Virtual : virtual A {
+  void nonvirt();
+  virtual void virt();
+};
+
+struct General;
+static_assert(sizeof(void (General::*)()) == 16, "force general memptr model");
+struct __declspec(dllimport) General {
+  void nonvirt();
+  virtual void virt();
+};
+
+auto mp_single_nv = &Single::nonvirt; // expected-warning {{global constructor}}
+auto mp_multi_nv = &Multi::nonvirt; // expected-warning {{global constructor}}
+auto mp_virtual_nv = &Virtual::nonvirt; // expected-warning {{global constructor}}
+auto mp_general_nv = &General::nonvirt; // expected-warning {{global constructor}}
+
+auto mp_single_v = &Single::virt;
+auto mp_multi_v = &Multi::virt;
+auto mp_virtual_v = &Virtual::virt;
+auto mp_general_v = &General::virt;
+
+// All of the non-virtual globals need dynamic initializers.
+
+// CHECK: @"\01?mp_single_nv@@3P8Single@@AEXXZQ1@" = global i8* null, align 4
+// CHECK: @"\01?mp_multi_nv@@3P8Multi@@AEXXZQ1@" = global { i8*, i32 } zeroinitializer, align 4
+// CHECK: @"\01?mp_virtual_nv@@3P8Virtual@@AEXXZQ1@" = global { i8*, i32, i32 } zeroinitializer, align 4
+// CHECK: @"\01?mp_general_nv@@3P8General@@AEXXZQ1@" = global { i8*, i32, i32, i32 } zeroinitializer, align 4
+
+// CHECK: @"\01?mp_single_v@@3P8Single@@AEXXZQ1@" = global i8* bitcast (void (%struct.Single*, ...)* @"\01??_9Single@@$BA@AE" to i8*), align 4
+// CHECK: @"\01?mp_multi_v@@3P8Multi@@AEXXZQ1@" = global { i8*, i32 } { i8* bitcast (void (%struct.Multi*, ...)* @"\01??_9Multi@@$BA@AE" to i8*), i32 0 }, align 4
+// CHECK: @"\01?mp_virtual_v@@3P8Virtual@@AEXXZQ1@" = global { i8*, i32, i32 } { i8* bitcast (void (%struct.Virtual*, ...)* @"\01??_9Virtual@@$BA@AE" to i8*), i32 0, i32 0 }, align 4
+// CHECK: @"\01?mp_general_v@@3P8General@@AEXXZQ1@" = global { i8*, i32, i32, i32 } { i8* bitcast (void (%struct.General*, ...)* @"\01??_9General@@$BA@AE" to i8*), i32 0, i32 0, i32 0 }, align 4
+
+// CHECK: define internal void @_GLOBAL__sub_I{{.*}}() {{.*}} {
+// CHECK:   call void @"\01??__Emp_single_nv@@YAXXZ"()
+// CHECK:   call void @"\01??__Emp_multi_nv@@YAXXZ"()
+// CHECK:   call void @"\01??__Emp_virtual_nv@@YAXXZ"()
+// CHECK:   call void @"\01??__Emp_general_nv@@YAXXZ"()
+// CHECK: }