mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-15 04:30:12 +00:00
91b10fb0e9
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@207506 91177308-0d34-0410-b5e6-96231b3b80d8
54 lines
1.5 KiB
C++
54 lines
1.5 KiB
C++
//===---- Mips16ISelDAGToDAG.h - A Dag to Dag Inst Selector for Mips ------===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// Subclass of MipsDAGToDAGISel specialized for mips16.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef MIPS16ISELDAGTODAG_H
|
|
#define MIPS16ISELDAGTODAG_H
|
|
|
|
#include "MipsISelDAGToDAG.h"
|
|
|
|
namespace llvm {
|
|
|
|
class Mips16DAGToDAGISel : public MipsDAGToDAGISel {
|
|
public:
|
|
explicit Mips16DAGToDAGISel(MipsTargetMachine &TM) : MipsDAGToDAGISel(TM) {}
|
|
|
|
private:
|
|
std::pair<SDNode*, SDNode*> selectMULT(SDNode *N, unsigned Opc, SDLoc DL,
|
|
EVT Ty, bool HasLo, bool HasHi);
|
|
|
|
SDValue getMips16SPAliasReg();
|
|
|
|
bool runOnMachineFunction(MachineFunction &MF) override;
|
|
|
|
void getMips16SPRefReg(SDNode *Parent, SDValue &AliasReg);
|
|
|
|
bool selectAddr16(SDNode *Parent, SDValue N, SDValue &Base,
|
|
SDValue &Offset, SDValue &Alias) override;
|
|
|
|
std::pair<bool, SDNode*> selectNode(SDNode *Node) override;
|
|
|
|
void processFunctionAfterISel(MachineFunction &MF) override;
|
|
|
|
// Insert instructions to initialize the global base register in the
|
|
// first MBB of the function.
|
|
void initGlobalBaseReg(MachineFunction &MF);
|
|
|
|
void initMips16SPAliasReg(MachineFunction &MF);
|
|
};
|
|
|
|
FunctionPass *createMips16ISelDag(MipsTargetMachine &TM);
|
|
|
|
}
|
|
|
|
#endif
|