YouCompleteMe/cpp/llvm/tools/clang/test/CodeGenCXX/dynamic-cast-always-null.cpp
Strahinja Val Markovic 1f51a89d39 Adding more llvm/clang files
These were ignored by git accidentally. We want ALL OF THEM since they all came
in the llvm/clang source distribution.
2012-07-05 17:55:45 -07:00

20 lines
542 B
C++

// RUN: %clang_cc1 -I%S %s -triple x86_64-apple-darwin10 -emit-llvm -fcxx-exceptions -fexceptions -std=c++11 -o - | FileCheck %s
struct A { virtual ~A(); };
struct B final : A { };
struct C { virtual ~C(); int c; };
// CHECK: @_Z1fP1B
C *f(B* b) {
// CHECK-NOT: call i8* @__dynamic_cast
// CHECK: ret %struct.C* null
return dynamic_cast<C*>(b);
}
// CHECK: @_Z1fR1B
C &f(B& b) {
// CHECK-NOT: call i8* @__dynamic_cast
// CHECK: call void @__cxa_bad_cast() noreturn
// CHECK: ret %struct.C* undef
return dynamic_cast<C&>(b);
}