MSP430ISelLowering.h revision c8fbb6ae2041f17285e4ba73d54d388e703b9689
1//==-- MSP430ISelLowering.h - MSP430 DAG Lowering Interface ------*- C++ -*-==//
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 file defines the interfaces that MSP430 uses to lower LLVM code into a
11// selection DAG.
12//
13//===----------------------------------------------------------------------===//
14
15#ifndef LLVM_TARGET_MSP430_ISELLOWERING_H
16#define LLVM_TARGET_MSP430_ISELLOWERING_H
17
18#include "MSP430.h"
19#include "llvm/CodeGen/SelectionDAG.h"
20#include "llvm/Target/TargetLowering.h"
21
22namespace llvm {
23
24  class MSP430Subtarget;
25  class MSP430TargetMachine;
26
27  class MSP430TargetLowering : public TargetLowering {
28  public:
29    explicit MSP430TargetLowering(MSP430TargetMachine &TM);
30
31    /// LowerOperation - Provide custom lowering hooks for some operations.
32    virtual SDValue LowerOperation(SDValue Op, SelectionDAG &DAG);
33    SDValue LowerFORMAL_ARGUMENTS(SDValue Op, SelectionDAG &DAG);
34    SDValue LowerCCCArguments(SDValue Op, SelectionDAG &DAG);
35
36  private:
37    const MSP430Subtarget &Subtarget;
38    const MSP430TargetMachine &TM;
39  };
40} // namespace llvm
41
42#endif // LLVM_TARGET_MSP430_ISELLOWERING_H
43