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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 ///
Add(MachinePassRegistryNode * Node)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 ///
Remove(MachinePassRegistryNode * Node)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 }
42