mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-22 07:32:48 +00:00
46 lines
1.4 KiB
C
46 lines
1.4 KiB
C
|
//===-- SimpleBBISel.cpp - Definition of 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 file defines the SimpleBBISel class which handles 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.
|
||
|
|
//
|
||
|
|
//===----------------------------------------------------------------------===//
|
||
|
|
|
||
|
|
#ifndef SELECTIONDAG_SIMPLEBBISEL_H
|
||
|
|
#define SELECTIONDAG_SIMPLEBBISEL_H
|
||
|
|
|
||
|
|
#include "llvm/Support/Compiler.h"
|
||
|
|
|
||
|
|
namespace llvm {
|
||
|
|
|
||
|
|
class BasicBlock;
|
||
|
|
class MachineBasicBlock;
|
||
|
|
class MachineFunction;
|
||
|
|
class TargetLowering;
|
||
|
|
|
||
|
|
class VISIBILITY_HIDDEN SimpleBBISel {
|
||
|
|
MachineFunction &MF;
|
||
|
|
TargetLowering &TLI;
|
||
|
|
|
||
|
|
public:
|
||
|
|
explicit SimpleBBISel(MachineFunction &mf, TargetLowering &tli)
|
||
|
|
: MF(mf), TLI(tli) {};
|
||
|
|
|
||
|
|
/// 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 SelectBasicBlock(BasicBlock *BB, MachineBasicBlock *MBB);
|
||
|
|
};
|
||
|
|
|
||
|
|
} // end namespace llvm.
|
||
|
|
|
||
|
|
#endif
|