lib/CodeGen/MachinePassRegistry.cpp

   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
  20 /// Add - Adds a function pass to the registration list.
  21 ///
  22 void MachinePassRegistry::Add(MachinePassRegistryNode *Node) {
  23   Node->setNext(List);
  24   List = Node;
  25   if (Listener) Listener->NotifyAdd(Node->getName(),
  26                                     Node->getCtor(),
  27                                     Node->getDescription());
  28 }
  29
  30
  31 /// Remove - Removes a function pass from the registration list.
  32 ///
  33 void MachinePassRegistry::Remove(MachinePassRegistryNode *Node) {
  34   for (MachinePassRegistryNode **I = &List; *I; I = (*I)->getNextAddress()) {
  35     if (*I == Node) {
  36       if (Listener) Listener->NotifyRemove(Node->getName());
  37       *I = (*I)->getNext();
  38       break;
  39     }
  40   }
  41 }