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| Rev | Author | Line No. | Line |
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| 14 | pmbaty | 1 | //===- llvm/CodeGen/RegAllocRegistry.h --------------------------*- C++ -*-===// |
| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | // |
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| 9 | // This file contains the implementation for register allocator function |
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| 10 | // pass registry (RegisterRegAlloc). |
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| 11 | // |
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| 12 | //===----------------------------------------------------------------------===// |
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| 13 | |||
| 14 | #ifndef LLVM_CODEGEN_REGALLOCREGISTRY_H |
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| 15 | #define LLVM_CODEGEN_REGALLOCREGISTRY_H |
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| 16 | |||
| 17 | #include "llvm/CodeGen/RegAllocCommon.h" |
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| 18 | #include "llvm/CodeGen/MachinePassRegistry.h" |
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| 19 | |||
| 20 | namespace llvm { |
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| 21 | |||
| 22 | class FunctionPass; |
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| 23 | |||
| 24 | //===----------------------------------------------------------------------===// |
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| 25 | /// |
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| 26 | /// RegisterRegAllocBase class - Track the registration of register allocators. |
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| 27 | /// |
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| 28 | //===----------------------------------------------------------------------===// |
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| 29 | template <class SubClass> |
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| 30 | class RegisterRegAllocBase : public MachinePassRegistryNode<FunctionPass *(*)()> { |
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| 31 | public: |
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| 32 | using FunctionPassCtor = FunctionPass *(*)(); |
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| 33 | |||
| 34 | static MachinePassRegistry<FunctionPassCtor> Registry; |
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| 35 | |||
| 36 | RegisterRegAllocBase(const char *N, const char *D, FunctionPassCtor C) |
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| 37 | : MachinePassRegistryNode(N, D, C) { |
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| 38 | Registry.Add(this); |
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| 39 | } |
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| 40 | |||
| 41 | ~RegisterRegAllocBase() { Registry.Remove(this); } |
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| 42 | |||
| 43 | // Accessors. |
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| 44 | SubClass *getNext() const { |
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| 45 | return static_cast<SubClass *>(MachinePassRegistryNode::getNext()); |
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| 46 | } |
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| 47 | |||
| 48 | static SubClass *getList() { |
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| 49 | return static_cast<SubClass *>(Registry.getList()); |
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| 50 | } |
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| 51 | |||
| 52 | static FunctionPassCtor getDefault() { return Registry.getDefault(); } |
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| 53 | |||
| 54 | static void setDefault(FunctionPassCtor C) { Registry.setDefault(C); } |
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| 55 | |||
| 56 | static void setListener(MachinePassRegistryListener<FunctionPassCtor> *L) { |
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| 57 | Registry.setListener(L); |
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| 58 | } |
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| 59 | }; |
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| 60 | |||
| 61 | class RegisterRegAlloc : public RegisterRegAllocBase<RegisterRegAlloc> { |
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| 62 | public: |
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| 63 | RegisterRegAlloc(const char *N, const char *D, FunctionPassCtor C) |
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| 64 | : RegisterRegAllocBase(N, D, C) {} |
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| 65 | }; |
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| 66 | |||
| 67 | /// RegisterRegAlloc's global Registry tracks allocator registration. |
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| 68 | template <class T> |
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| 69 | MachinePassRegistry<RegisterRegAlloc::FunctionPassCtor> |
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| 70 | RegisterRegAllocBase<T>::Registry; |
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| 71 | |||
| 72 | } // end namespace llvm |
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| 73 | |||
| 74 | #endif // LLVM_CODEGEN_REGALLOCREGISTRY_H |