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