| Evan Cheng | 381cb07 | 2008-08-08 07:27:28 +0000 | [diff] [blame^] | 1 | //===-- SimpleBBISel.cpp - Implement the SimpleBBISel class ---------------===// |
| 2 | // |
| 3 | // The LLVM Compiler Infrastructure |
| 4 | // |
| 5 | // This file is distributed under the University of Illinois Open Source |
| 6 | // License. See LICENSE.TXT for details. |
| 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
| 9 | // |
| 10 | // This implements simple basic block instruction selection. If the given |
| 11 | // BasicBlock is considered "simple", i.e. all operations are supported by |
| 12 | // the target and their types are legal, it does instruction directly from |
| 13 | // LLVM BasicBlock to MachineInstr's. |
| 14 | // |
| 15 | //===----------------------------------------------------------------------===// |
| 16 | |
| 17 | #define DEBUG_TYPE "simple-isel" |
| 18 | #include "SimpleBBISel.h" |
| 19 | #include "llvm/CodeGen/MachineFunction.h" |
| 20 | #include "llvm/CodeGen/MachineInstrBuilder.h" |
| 21 | #include "llvm/CodeGen/SelectionDAG.h" |
| 22 | using namespace llvm; |
| 23 | |
| 24 | /// SelectBasicBlock - Try to convert a LLVM basic block into a |
| 25 | /// MachineBasicBlock using simple instruction selection. Returns false if it |
| 26 | /// is not able to do so. |
| 27 | bool SimpleBBISel::SelectBasicBlock(BasicBlock *BB, MachineBasicBlock *MBB) { |
| 28 | return false; |
| 29 | } |