Final polish on machine pass registries.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29471 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 19 insertions, 13 deletions

diff --git a/lib/CodeGen/MachinePassRegistry.cpp b/lib/CodeGen/MachinePassRegistry.cpp
index c440992476..a7ba5bb3ca 100644
--- a/lib/CodeGen/MachinePassRegistry.cpp
+++ b/lib/CodeGen/MachinePassRegistry.cpp
@@ -16,20 +16,26 @@
 
 using namespace llvm;
 
-  
-//===---------------------------------------------------------------------===//
-///
-/// RegisterRegAlloc class - Track the registration of register allocators.
+
+/// Add - Adds a function pass to the registration list.
 ///
-//===---------------------------------------------------------------------===//
-MachinePassRegistry<RegisterRegAlloc::FunctionPassCtor>
-RegisterRegAlloc::Registry;
+void MachinePassRegistry::Add(MachinePassRegistryNode *Node) {
+  Node->setNext(List);
+  List = Node;
+  if (Listener) Listener->NotifyAdd(Node->getName(),
+                                    Node->getCtor(),
+                                    Node->getDescription());
+}
 
 
-//===---------------------------------------------------------------------===//
-///
-/// RegisterScheduler class - Track the registration of instruction schedulers.
+/// Remove - Removes a function pass from the registration list.
 ///
-//===---------------------------------------------------------------------===//
-MachinePassRegistry<RegisterScheduler::FunctionPassCtor>
-RegisterScheduler::Registry;
+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;
+    }
+  }
+}