CodeGenCXX: Add tests for RTTI in VFTables

This test was supposed to go in with r212125.

llvm-svn: 212139
This commit is contained in:
David Majnemer 2014-07-01 22:25:00 +00:00
parent f607234fde
commit a7143cea3b
1 changed files with 41 additions and 0 deletions

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// 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*)]