/Users/buildslave/jenkins/sharedspace/clang-stage2-coverage-R@2/llvm/lib/Target/NVPTX/NVPTXRegisterInfo.h
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1 | | //===- NVPTXRegisterInfo.h - NVPTX 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 NVPTX implementation of the TargetRegisterInfo class. |
11 | | // |
12 | | //===----------------------------------------------------------------------===// |
13 | | |
14 | | #ifndef LLVM_LIB_TARGET_NVPTX_NVPTXREGISTERINFO_H |
15 | | #define LLVM_LIB_TARGET_NVPTX_NVPTXREGISTERINFO_H |
16 | | |
17 | | #include "ManagedStringPool.h" |
18 | | #include "llvm/Target/TargetRegisterInfo.h" |
19 | | #include <sstream> |
20 | | |
21 | | #define GET_REGINFO_HEADER |
22 | | #include "NVPTXGenRegisterInfo.inc" |
23 | | |
24 | | namespace llvm { |
25 | | class NVPTXRegisterInfo : public NVPTXGenRegisterInfo { |
26 | | private: |
27 | | // Hold Strings that can be free'd all together with NVPTXRegisterInfo |
28 | | ManagedStringPool ManagedStrPool; |
29 | | |
30 | | public: |
31 | | NVPTXRegisterInfo(); |
32 | | |
33 | | //------------------------------------------------------ |
34 | | // Pure virtual functions from TargetRegisterInfo |
35 | | //------------------------------------------------------ |
36 | | |
37 | | // NVPTX callee saved registers |
38 | | const MCPhysReg *getCalleeSavedRegs(const MachineFunction *MF) const override; |
39 | | |
40 | | BitVector getReservedRegs(const MachineFunction &MF) const override; |
41 | | |
42 | | void eliminateFrameIndex(MachineBasicBlock::iterator MI, int SPAdj, |
43 | | unsigned FIOperandNum, |
44 | | RegScavenger *RS = nullptr) const override; |
45 | | |
46 | | unsigned getFrameRegister(const MachineFunction &MF) const override; |
47 | | |
48 | 0 | ManagedStringPool *getStrPool() const { |
49 | 0 | return const_cast<ManagedStringPool *>(&ManagedStrPool); |
50 | 0 | } |
51 | | |
52 | 0 | const char *getName(unsigned RegNo) const { |
53 | 0 | std::stringstream O; |
54 | 0 | O << "reg" << RegNo; |
55 | 0 | return getStrPool()->getManagedString(O.str().c_str())->c_str(); |
56 | 0 | } |
57 | | |
58 | | }; |
59 | | |
60 | | std::string getNVPTXRegClassName(const TargetRegisterClass *RC); |
61 | | std::string getNVPTXRegClassStr(const TargetRegisterClass *RC); |
62 | | |
63 | | } // end namespace llvm |
64 | | |
65 | | #endif |