1 //===-- CodeGen/MachineInstr.cpp ------------------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 // 10 // This file contains the machine function pass registry for register allocators 11 // and instruction schedulers. 12 // 13 //===----------------------------------------------------------------------===// 14 15 #include "llvm/CodeGen/MachinePassRegistry.h" 16 17 using namespace llvm; 18 19 void MachinePassRegistryListener::anchor() { } 20 21 /// setDefault - Set the default constructor by name. 22 void MachinePassRegistry::setDefault(StringRef Name) { 23 MachinePassCtor Ctor = nullptr; 24 for(MachinePassRegistryNode *R = getList(); R; R = R->getNext()) { 25 if (R->getName() == Name) { 26 Ctor = R->getCtor(); 27 break; 28 } 29 } 30 assert(Ctor && "Unregistered pass name"); 31 setDefault(Ctor); 32 } 33 34 /// Add - Adds a function pass to the registration list. 35 /// 36 void MachinePassRegistry::Add(MachinePassRegistryNode *Node) { 37 Node->setNext(List); 38 List = Node; 39 if (Listener) Listener->NotifyAdd(Node->getName(), 40 Node->getCtor(), 41 Node->getDescription()); 42 } 43 44 45 /// Remove - Removes a function pass from the registration list. 46 /// 47 void MachinePassRegistry::Remove(MachinePassRegistryNode *Node) { 48 for (MachinePassRegistryNode **I = &List; *I; I = (*I)->getNextAddress()) { 49 if (*I == Node) { 50 if (Listener) Listener->NotifyRemove(Node->getName()); 51 *I = (*I)->getNext(); 52 break; 53 } 54 } 55 } 56
