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8c9e3b0e07
Will allow re-using the machinery for independent sets of register allocators. This will allow AMDGPU to use separate command line options for the allocator to use for SGPRs separate from VGPRs. llvm-svn: 354687
74 lines
2.3 KiB
C++
74 lines
2.3 KiB
C++
//===- llvm/CodeGen/RegAllocRegistry.h --------------------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// This file contains the implementation for register allocator function
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// pass registry (RegisterRegAlloc).
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_CODEGEN_REGALLOCREGISTRY_H
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#define LLVM_CODEGEN_REGALLOCREGISTRY_H
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#include "llvm/CodeGen/MachinePassRegistry.h"
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namespace llvm {
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class FunctionPass;
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//===----------------------------------------------------------------------===//
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///
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/// RegisterRegAllocBase class - Track the registration of register allocators.
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///
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//===----------------------------------------------------------------------===//
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template <class SubClass>
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class RegisterRegAllocBase : public MachinePassRegistryNode<FunctionPass *(*)()> {
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public:
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using FunctionPassCtor = FunctionPass *(*)();
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static MachinePassRegistry<FunctionPassCtor> Registry;
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RegisterRegAllocBase(const char *N, const char *D, FunctionPassCtor C)
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: MachinePassRegistryNode(N, D, C) {
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Registry.Add(this);
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}
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~RegisterRegAllocBase() { Registry.Remove(this); }
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// Accessors.
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SubClass *getNext() const {
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return static_cast<SubClass *>(MachinePassRegistryNode::getNext());
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}
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static SubClass *getList() {
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return static_cast<SubClass *>(Registry.getList());
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}
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static FunctionPassCtor getDefault() { return Registry.getDefault(); }
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static void setDefault(FunctionPassCtor C) { Registry.setDefault(C); }
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static void setListener(MachinePassRegistryListener<FunctionPassCtor> *L) {
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Registry.setListener(L);
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}
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};
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class RegisterRegAlloc : public RegisterRegAllocBase<RegisterRegAlloc> {
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public:
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RegisterRegAlloc(const char *N, const char *D, FunctionPassCtor C)
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: RegisterRegAllocBase(N, D, C) {}
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};
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/// RegisterRegAlloc's global Registry tracks allocator registration.
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template <class T>
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MachinePassRegistry<RegisterRegAlloc::FunctionPassCtor>
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RegisterRegAllocBase<T>::Registry;
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} // end namespace llvm
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#endif // LLVM_CODEGEN_REGALLOCREGISTRY_H
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