include/llvm/CodeGen/RegAllocRegistry.h

   1 //===- llvm/CodeGen/RegAllocRegistry.h --------------------------*- 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 implementation for register allocator function
  10 // pass registry (RegisterRegAlloc).
  11 //
  12 //===----------------------------------------------------------------------===//
  13
  14 #ifndef LLVM_CODEGEN_REGALLOCREGISTRY_H
  15 #define LLVM_CODEGEN_REGALLOCREGISTRY_H
  16
  17 #include "llvm/CodeGen/MachinePassRegistry.h"
  18
  19 namespace llvm {
  20
  21 class FunctionPass;
  22
  23 //===----------------------------------------------------------------------===//
  24 ///
  25 /// RegisterRegAlloc class - Track the registration of register allocators.
  26 ///
  27 //===----------------------------------------------------------------------===//
  28 class RegisterRegAlloc : public MachinePassRegistryNode<FunctionPass *(*)()> {
  29 public:
  30   using FunctionPassCtor = FunctionPass *(*)();
  31
  32   static MachinePassRegistry<FunctionPassCtor> Registry;
  33
  34   RegisterRegAlloc(const char *N, const char *D, FunctionPassCtor C)
  35       : MachinePassRegistryNode(N, D, C) {
  36     Registry.Add(this);
  37   }
  38
  39   ~RegisterRegAlloc() { Registry.Remove(this); }
  40
  41   // Accessors.
  42   RegisterRegAlloc *getNext() const {
  43     return (RegisterRegAlloc *)MachinePassRegistryNode::getNext();
  44   }
  45
  46   static RegisterRegAlloc *getList() {
  47     return (RegisterRegAlloc *)Registry.getList();
  48   }
  49
  50   static FunctionPassCtor getDefault() { return Registry.getDefault(); }
  51
  52   static void setDefault(FunctionPassCtor C) { Registry.setDefault(C); }
  53
  54   static void setListener(MachinePassRegistryListener<FunctionPassCtor> *L) {
  55     Registry.setListener(L);
  56   }
  57 };
  58
  59 } // end namespace llvm
  60
  61 #endif // LLVM_CODEGEN_REGALLOCREGISTRY_H