| //===-- SimpleBBISel.cpp - Implement the SimpleBBISel class ---------------===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This implements simple basic block instruction selection. If the given |
| // BasicBlock is considered "simple", i.e. all operations are supported by |
| // the target and their types are legal, it does instruction directly from |
| // LLVM BasicBlock to MachineInstr's. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #define DEBUG_TYPE "simple-isel" |
| #include "SimpleBBISel.h" |
| #include "llvm/CodeGen/MachineFunction.h" |
| #include "llvm/CodeGen/MachineInstrBuilder.h" |
| #include "llvm/CodeGen/SelectionDAG.h" |
| using namespace llvm; |
| |
| /// SelectBasicBlock - Try to convert a LLVM basic block into a |
| /// MachineBasicBlock using simple instruction selection. Returns false if it |
| /// is not able to do so. |
| bool SimpleBBISel::SelectBasicBlock(BasicBlock *BB, MachineBasicBlock *MBB) { |
| return false; |
| } |