phunix/external/bsd/llvm/dist/clang/test/CodeGenCXX/dynamic_cast-no-rtti.cpp
Lionel Sambuc 0a6a1f1d05 NetBSD re-synchronization of the source tree
This brings our tree to NetBSD 7.0, as found on -current on the
10-10-2015.

This updates:
 - LLVM to 3.6.1
 - GCC to GCC 5.1
 - Replace minix/commands/zdump with usr.bin/zdump
 - external/bsd/libelf has moved to /external/bsd/elftoolchain/
 - Import ctwm
 - Drop sprintf from libminc

Change-Id: I149836ac18e9326be9353958bab9b266efb056f0
2016-01-13 20:32:14 +01:00

27 lines
684 B
C++

// RUN: %clang_cc1 -emit-llvm %s -verify -fno-rtti -triple %itanium_abi_triple -o - | FileCheck %s
// expected-no-diagnostics
struct A {
virtual ~A(){};
};
struct B : public A {
B() : A() {}
};
// An upcast can be resolved statically and can be used with -fno-rtti, iff it
// does not use runtime support.
A *upcast(B *b) {
return dynamic_cast<A *>(b);
// CHECK-LABEL: define %struct.A* @_Z6upcastP1B
// CHECK-NOT: call i8* @__dynamic_cast
}
// A NoOp dynamic_cast can be used with -fno-rtti iff it does not use
// runtime support.
B *samecast(B *b) {
return dynamic_cast<B *>(b);
// CHECK-LABEL: define %struct.B* @_Z8samecastP1B
// CHECK-NOT: call i8* @__dynamic_cast
}