llvm-project/clang/test/CodeGenCXX/microsoft-no-rtti-data.cpp
Nikita Popov 3512721d52 [CodeGenCXX] Convert more tests to opaque pointers (NFC)
Conversion was performed using
https://gist.github.com/nikic/98357b71fd67756b0f064c9517b62a34
plus manual (but uninteresting) fixups.
2022-10-07 10:01:17 +02:00

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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: @"??_R4S@@6B@"
// CHECK: @"??_7S@@6B@" = linkonce_odr unnamed_addr constant { [1 x ptr] } { [1 x ptr] [ptr @"??_GS@@UAEPAXI@Z"] }, comdat
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 ptr @__RTDynamicCast(ptr %{{.+}}, i32 0, ptr @"??_R0?AUS@@@8", ptr @"??_R0?AUU@@@8", i32 1)