r212139 - CodeGenCXX: Add tests for RTTI in VFTables

[David Majnemer]

Author: majnemer
Date: Tue Jul  1 17:25:00 2014
New Revision: 212139

URL: http://llvm.org/viewvc/llvm-project?rev=212139&view=rev
Log:
CodeGenCXX: Add tests for RTTI in VFTables

This test was supposed to go in with r212125.

Added:
    cfe/trunk/test/CodeGenCXX/microsoft-abi-vftables.cpp

Added: cfe/trunk/test/CodeGenCXX/microsoft-abi-vftables.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGenCXX/microsoft-abi-vftables.cpp?rev=212139&view=auto
==============================================================================
--- cfe/trunk/test/CodeGenCXX/microsoft-abi-vftables.cpp (added)
+++ cfe/trunk/test/CodeGenCXX/microsoft-abi-vftables.cpp Tue Jul  1 17:25:00 2014
@@ -0,0 +1,41 @@
+// RUN: %clang_cc1 %s -fno-rtti -triple=i386-pc-win32 -emit-llvm -o - -O1 -disable-llvm-optzns | FileCheck %s -check-prefix=NO-RTTI
+// RUN: %clang_cc1 %s -triple=i386-pc-win32 -emit-llvm -o - -O1 -disable-llvm-optzns | FileCheck %s -check-prefix=RTTI
+
+// RTTI-DAG: $"\01??_7S@@6B@" = comdat largest
+// RTTI-DAG: $"\01??_7V@@6B@" = comdat largest
+
+struct S {
+  virtual ~S();
+} s;
+
+// RTTI-DAG: [[VTABLE_S:@.*]] = private unnamed_addr constant [2 x i8*] [i8* bitcast ({{.*}} @"\01??_R4S@@6B@" to i8*), i8* bitcast ({{.*}} @"\01??_GS@@UAEPAXI at Z" to i8*)], comdat $"\01??_7S@@6B@"
+// RTTI-DAG: @"\01??_7S@@6B@" = unnamed_addr alias getelementptr inbounds ([2 x i8*]* [[VTABLE_S]], i32 0, i32 1), comdat $"\01??_7S@@6B@"
+
+// NO-RTTI-DAG: @"\01??_7S@@6B@" = linkonce_odr unnamed_addr constant [1 x i8*] [i8* bitcast ({{.*}} @"\01??_GS@@UAEPAXI at Z" to i8*)]
+
+struct __declspec(dllimport) U {
+  virtual ~U();
+} u;
+
+// RTTI-DAG: @"\01??_7U@@6B@" = available_externally dllimport unnamed_addr constant [1 x i8*] [i8* bitcast ({{.*}} @"\01??_GU@@UAEPAXI at Z" to i8*)]
+
+// NO-RTTI-DAG: @"\01??_7U@@6B@" = available_externally dllimport unnamed_addr constant [1 x i8*] [i8* bitcast ({{.*}} @"\01??_GU@@UAEPAXI at Z" to i8*)]
+
+struct __declspec(dllexport) V {
+  virtual ~V();
+} v;
+
+// RTTI-DAG: [[VTABLE_V:@.*]] = private unnamed_addr constant [2 x i8*] [i8* bitcast ({{.*}} @"\01??_R4V@@6B@" to i8*), i8* bitcast ({{.*}} @"\01??_GV@@UAEPAXI at Z" to i8*)], comdat $"\01??_7V@@6B@"
+// RTTI-DAG: @"\01??_7V@@6B@" = dllexport unnamed_addr alias getelementptr inbounds ([2 x i8*]* [[VTABLE_V]], i32 0, i32 1), comdat $"\01??_7V@@6B@"
+
+// NO-RTTI-DAG: @"\01??_7V@@6B@" = weak_odr dllexport unnamed_addr constant [1 x i8*] [i8* bitcast ({{.*}} @"\01??_GV@@UAEPAXI at Z" to i8*)]
+
+namespace {
+struct W {
+  virtual ~W();
+} w;
+}
+// RTTI-DAG: [[VTABLE_W:@.*]] = private unnamed_addr constant [2 x i8*] [i8* bitcast ({{.*}} @"\01??_R4W@?A@@6B@" to i8*), i8* bitcast ({{.*}} @"\01??_GW@?A@@UAEPAXI at Z" to i8*)]
+// RTTI-DAG: @"\01??_7W@?A@@6B@" = unnamed_addr alias internal getelementptr inbounds ([2 x i8*]* @1, i32 0, i32 1)
+
+// NO-RTTI-DAG: @"\01??_7W@?A@@6B@" = internal unnamed_addr constant [1 x i8*] [i8* bitcast ({{.*}} @"\01??_GW@?A@@UAEPAXI at Z" to i8*)]