From 8780c0dd1a8ae900b0ed3390d15de8843a3b0f94 Mon Sep 17 00:00:00 2001
From: David Majnemer <david.majnemer@gmail.com>
Date: Tue, 1 Jul 2014 22:25:00 +0000
Subject: [PATCH] CodeGenCXX: Add tests for RTTI in VFTables

This test was supposed to go in with r212125.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@212139 91177308-0d34-0410-b5e6-96231b3b80d8
---
 test/CodeGenCXX/microsoft-abi-vftables.cpp | 41 ++++++++++++++++++++++
 1 file changed, 41 insertions(+)
 create mode 100644 test/CodeGenCXX/microsoft-abi-vftables.cpp

diff --git a/test/CodeGenCXX/microsoft-abi-vftables.cpp b/test/CodeGenCXX/microsoft-abi-vftables.cpp
new file mode 100644
index 00000000000..323be09c05f
--- /dev/null
+++ b/test/CodeGenCXX/microsoft-abi-vftables.cpp
@@ -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@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@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@Z" to i8*)]
+
+// NO-RTTI-DAG: @"\01??_7U@@6B@" = available_externally dllimport unnamed_addr constant [1 x i8*] [i8* bitcast ({{.*}} @"\01??_GU@@UAEPAXI@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@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@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@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@Z" to i8*)]
-- 
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