diff options
Diffstat (limited to 'llvm/lib/CodeGen/AsmPrinter/DwarfExpression.h')
| -rw-r--r-- | llvm/lib/CodeGen/AsmPrinter/DwarfExpression.h | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfExpression.h b/llvm/lib/CodeGen/AsmPrinter/DwarfExpression.h index 4df958c5a03..c31d75355f9 100644 --- a/llvm/lib/CodeGen/AsmPrinter/DwarfExpression.h +++ b/llvm/lib/CodeGen/AsmPrinter/DwarfExpression.h @@ -62,7 +62,7 @@ public: void AddShr(unsigned ShiftBy); /// Emit an indirect dwarf register operation for the given machine register. - /// Returns false if no DWARF register exists for MachineReg. + /// \return false if no DWARF register exists for MachineReg. bool AddMachineRegIndirect(unsigned MachineReg, int Offset = 0); /// \brief Emit a partial DWARF register operation. @@ -77,7 +77,9 @@ public: /// function will attempt to emit a DWARF register by emitting a /// piece of a super-register or by piecing together multiple /// subregisters that alias the register. - void AddMachineRegPiece(unsigned MachineReg, unsigned PieceSizeInBits = 0, + /// + /// \return false if no DWARF register exists for MachineReg. + bool AddMachineRegPiece(unsigned MachineReg, unsigned PieceSizeInBits = 0, unsigned PieceOffsetInBits = 0); /// Emit a signed constant. @@ -88,7 +90,8 @@ public: /// Emit an entire DIExpression on top of a machine register location. /// \param PieceOffsetInBits If this is one piece out of a fragmented /// location, this is the offset of the piece inside the entire variable. - void AddMachineRegExpression(DIExpression Expr, unsigned MachineReg, + /// \return false if no DWARF register exists for MachineReg. + bool AddMachineRegExpression(DIExpression Expr, unsigned MachineReg, unsigned PieceOffsetInBits = 0); /// Emit a the operations in a DIExpression, starting from element I. /// \param PieceOffsetInBits If this is one piece out of a fragmented |
