llvm-project/clang/test/CodeGenCXX/microsoft-no-rtti-data.cpp

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683 B
C++

// RUN: %clang_cc1 %s -fno-rtti-data -triple=i386-pc-win32 -o - -emit-llvm | FileCheck %s
// vftable shouldn't have RTTI data in it.
// CHECK-NOT: @"\01??_R4S@@6B@"
// CHECK: @"\01??_7S@@6B@" = linkonce_odr unnamed_addr constant [1 x i8*] [i8* bitcast ({{.*}} @"\01??_GS@@UAEPAXI@Z" to i8*)]
struct type_info;
namespace std { using ::type_info; }
struct S {
virtual ~S();
} s;
struct U : S {
virtual ~U();
};
extern S *getS();
const std::type_info &ti = typeid(*getS());
const U &u = dynamic_cast<U &>(*getS());
// CHECK: call i8* @__RTDynamicCast(i8* %{{.+}}, i32 0, i8* bitcast ({{.*}} @"\01??_R0?AUS@@@8" to i8*), i8* bitcast ({{.*}} @"\01??_R0?AUU@@@8" to i8*), i32 1)