56 lines
1.7 KiB
C++
56 lines
1.7 KiB
C++
//===-- CodeGen/MachineInstr.cpp ------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file contains the machine function pass registry for register allocators
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// and instruction schedulers.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/CodeGen/MachinePassRegistry.h"
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using namespace llvm;
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void MachinePassRegistryListener::anchor() { }
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/// setDefault - Set the default constructor by name.
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void MachinePassRegistry::setDefault(StringRef Name) {
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MachinePassCtor Ctor = nullptr;
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for(MachinePassRegistryNode *R = getList(); R; R = R->getNext()) {
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if (R->getName() == Name) {
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Ctor = R->getCtor();
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break;
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}
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}
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assert(Ctor && "Unregistered pass name");
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setDefault(Ctor);
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}
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/// Add - Adds a function pass to the registration list.
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///
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void MachinePassRegistry::Add(MachinePassRegistryNode *Node) {
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Node->setNext(List);
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List = Node;
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if (Listener) Listener->NotifyAdd(Node->getName(),
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Node->getCtor(),
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Node->getDescription());
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}
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/// Remove - Removes a function pass from the registration list.
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///
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void MachinePassRegistry::Remove(MachinePassRegistryNode *Node) {
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for (MachinePassRegistryNode **I = &List; *I; I = (*I)->getNextAddress()) {
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if (*I == Node) {
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if (Listener) Listener->NotifyRemove(Node->getName());
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*I = (*I)->getNext();
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break;
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}
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}
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}
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