1 //===-- XCoreRegisterInfo.h - XCore Register Information Impl ---*- C++ -*-===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 //
9 // This file contains the XCore implementation of the MRegisterInfo class.
10 //
11 //===----------------------------------------------------------------------===//
12 
13 #ifndef LLVM_LIB_TARGET_XCORE_XCOREREGISTERINFO_H
14 #define LLVM_LIB_TARGET_XCORE_XCOREREGISTERINFO_H
15 
16 #include "llvm/CodeGen/TargetRegisterInfo.h"
17 
18 #define GET_REGINFO_HEADER
19 #include "XCoreGenRegisterInfo.inc"
20 
21 namespace llvm {
22 
23 struct XCoreRegisterInfo : public XCoreGenRegisterInfo {
24 public:
25   XCoreRegisterInfo();
26 
27   /// Code Generation virtual methods...
28 
29   const MCPhysReg *getCalleeSavedRegs(const MachineFunction *MF) const override;
30 
31   BitVector getReservedRegs(const MachineFunction &MF) const override;
32 
33   bool requiresRegisterScavenging(const MachineFunction &MF) const override;
34 
35   bool useFPForScavengingIndex(const MachineFunction &MF) const override;
36 
37   void eliminateFrameIndex(MachineBasicBlock::iterator II,
38                            int SPAdj, unsigned FIOperandNum,
39                            RegScavenger *RS = nullptr) const override;
40 
41   // Debug information queries.
42   Register getFrameRegister(const MachineFunction &MF) const override;
43 
44   //! Return whether to emit frame moves
45   static bool needsFrameMoves(const MachineFunction &MF);
46 };
47 
48 } // end namespace llvm
49 
50 #endif
51