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1 | //===-- XCoreRegisterInfo.h - XCore Register Information Impl ---*- 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 contains the XCore implementation of the MRegisterInfo class. | |
11 | // | |
12 | //===----------------------------------------------------------------------===// | |
13 | ||
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14 | #ifndef LLVM_LIB_TARGET_XCORE_XCOREREGISTERINFO_H |
15 | #define LLVM_LIB_TARGET_XCORE_XCOREREGISTERINFO_H | |
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16 | |
17 | #include "llvm/Target/TargetRegisterInfo.h" | |
18 | ||
19 | #define GET_REGINFO_HEADER | |
20 | #include "XCoreGenRegisterInfo.inc" | |
21 | ||
22 | namespace llvm { | |
23 | ||
24 | class TargetInstrInfo; | |
25 | ||
26 | struct XCoreRegisterInfo : public XCoreGenRegisterInfo { | |
223e47cc | 27 | public: |
1a4d82fc | 28 | XCoreRegisterInfo(); |
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29 | |
30 | /// Code Generation virtual methods... | |
31 | ||
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32 | const MCPhysReg * |
33 | getCalleeSavedRegs(const MachineFunction *MF =nullptr) const override; | |
223e47cc | 34 | |
1a4d82fc | 35 | BitVector getReservedRegs(const MachineFunction &MF) const override; |
223e47cc | 36 | |
1a4d82fc | 37 | bool requiresRegisterScavenging(const MachineFunction &MF) const override; |
223e47cc | 38 | |
1a4d82fc | 39 | bool trackLivenessAfterRegAlloc(const MachineFunction &MF) const override; |
223e47cc | 40 | |
1a4d82fc | 41 | bool useFPForScavengingIndex(const MachineFunction &MF) const override; |
223e47cc | 42 | |
223e47cc | 43 | void eliminateFrameIndex(MachineBasicBlock::iterator II, |
970d7e83 | 44 | int SPAdj, unsigned FIOperandNum, |
1a4d82fc | 45 | RegScavenger *RS = nullptr) const override; |
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46 | |
47 | // Debug information queries. | |
1a4d82fc | 48 | unsigned getFrameRegister(const MachineFunction &MF) const override; |
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49 | |
50 | //! Return whether to emit frame moves | |
51 | static bool needsFrameMoves(const MachineFunction &MF); | |
52 | }; | |
53 | ||
54 | } // end namespace llvm | |
55 | ||
56 | #endif |