diff options
Diffstat (limited to 'include/llvm/ADT/PointerUnion.h')
-rw-r--r-- | include/llvm/ADT/PointerUnion.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/include/llvm/ADT/PointerUnion.h b/include/llvm/ADT/PointerUnion.h index 3a514b5..61de042 100644 --- a/include/llvm/ADT/PointerUnion.h +++ b/include/llvm/ADT/PointerUnion.h @@ -107,6 +107,18 @@ namespace llvm { if (is<T>()) return get<T>(); return T(); } + + /// \brief If the union is set to the first pointer type we can get an + /// address pointing to it. + template <typename T> + PT1 const *getAddrOf() const { + assert(is<PT1>() && "Val is not the first pointer"); + assert(get<PT1>() == Val.getPointer() && + "Can't get the address because PointerLikeTypeTraits changes the ptr"); + T const *can_only_get_address_of_first_pointer_type + = reinterpret_cast<PT1 const *>(Val.getAddrOfPointer()); + return can_only_get_address_of_first_pointer_type; + } /// Assignment operators - Allow assigning into this union from either /// pointer type, setting the discriminator to remember what it came from. |