diff options
Diffstat (limited to 'include/llvm')
| -rw-r--r-- | include/llvm/CodeGen/AsmPrinter.h | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/include/llvm/CodeGen/AsmPrinter.h b/include/llvm/CodeGen/AsmPrinter.h index f40f3337c7..51eeb0fb77 100644 --- a/include/llvm/CodeGen/AsmPrinter.h +++ b/include/llvm/CodeGen/AsmPrinter.h @@ -430,14 +430,21 @@ namespace llvm { /// encoding specified. virtual unsigned getISAEncoding() { return 0; } - /// \brief Emit a partial dwarf register operation. + /// \brief Emit a partial DWARF register operation. /// \param MLoc the register /// \param PieceSizeInBits size and /// \param PieceOffsetBits offset of the piece in bits, if this is one /// piece of an aggregate value. + /// + /// If size and offset is zero an operation for the entire + /// register is emitted: Some targets do not provide a DWARF + /// register number for every register. If this is the case, this + /// 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 EmitDwarfRegOpPiece(ByteStreamer &BS, const MachineLocation &MLoc, - unsigned PieceSize, - unsigned PieceOffset) const; + unsigned PieceSize = 0, + unsigned PieceOffset = 0) const; /// EmitDwarfRegOp - Emit dwarf register operation. /// \param Indirect whether this is a register-indirect address |