diff options
Diffstat (limited to 'llvm/include/llvm/IR/DebugInfo.h')
| -rw-r--r-- | llvm/include/llvm/IR/DebugInfo.h | 30 |
1 files changed, 8 insertions, 22 deletions
diff --git a/llvm/include/llvm/IR/DebugInfo.h b/llvm/include/llvm/IR/DebugInfo.h index d467b5abe0e..d7aebeecdcb 100644 --- a/llvm/include/llvm/IR/DebugInfo.h +++ b/llvm/include/llvm/IR/DebugInfo.h @@ -651,30 +651,16 @@ public: void printExtendedName(raw_ostream &OS) const; }; -/// \brief A complex location expression in postfix notation. -/// -/// This is (almost) a DWARF expression that modifies the location of a -/// variable or (or the location of a single piece of a variable). -/// -/// FIXME: Instead of DW_OP_plus taking an argument, this should use DW_OP_const -/// and have DW_OP_plus consume the topmost elements on the stack. -class DIExpression : public DIDescriptor { -public: - DIExpression() = default; - DIExpression(const MDExpression *N) : DIDescriptor(N) {} +class DIExpression { + MDExpression *N; - MDExpression *get() const { - return cast_or_null<MDExpression>(DIDescriptor::get()); - } - operator MDExpression *() const { return get(); } - MDExpression *operator->() const { return get(); } - MDExpression &operator*() const { return *get(); } +public: + DIExpression(const MDExpression *N = nullptr) + : N(const_cast<MDExpression *>(N)) {} - unsigned getNumElements() const { return get()->getNumElements(); } - uint64_t getElement(unsigned I) const { return get()->getElement(I); } - bool isBitPiece() const { return get()->isBitPiece(); } - uint64_t getBitPieceOffset() const { return get()->getBitPieceOffset(); } - uint64_t getBitPieceSize() const { return get()->getBitPieceSize(); } + operator MDExpression *() const { return N; } + MDExpression *operator->() const { return N; } + MDExpression &operator*() const { return *N; } }; /// \brief This object holds location information. |
