[llvm] r219097 - [PM] Remove an unused and rather expensive mapping from an analysis

[Chandler Carruth]

Author: chandlerc
Date: Sun Oct  5 19:30:59 2014
New Revision: 219097

URL: http://llvm.org/viewvc/llvm-project?rev=219097&view=rev
Log:
[PM] Remove an unused and rather expensive mapping from an analysis
group's interface to all of the implementations of that analysis group.
The groups themselves can and do manage this anyways, the pass registry
needn't involve itself.

Modified:
    llvm/trunk/include/llvm/PassRegistry.h
    llvm/trunk/lib/IR/PassRegistry.cpp

Modified: llvm/trunk/include/llvm/PassRegistry.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/PassRegistry.h?rev=219097&r1=219096&r2=219097&view=diff
==============================================================================
--- llvm/trunk/include/llvm/PassRegistry.h (original)
+++ llvm/trunk/include/llvm/PassRegistry.h Sun Oct  5 19:30:59 2014
@@ -48,12 +48,6 @@ class PassRegistry {
   typedef StringMap<const PassInfo *> StringMapType;
   StringMapType PassInfoStringMap;
 
-  /// AnalysisGroupInfo - Keep track of information for each analysis group.
-  struct AnalysisGroupInfo {
-    SmallPtrSet<const PassInfo *, 8> Implementations;
-  };
-  DenseMap<const PassInfo *, AnalysisGroupInfo> AnalysisGroupInfoMap;
-
   std::vector<std::unique_ptr<const PassInfo>> ToFree;
   std::vector<PassRegistrationListener *> Listeners;
 

Modified: llvm/trunk/lib/IR/PassRegistry.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/IR/PassRegistry.cpp?rev=219097&r1=219096&r2=219097&view=diff
==============================================================================
--- llvm/trunk/lib/IR/PassRegistry.cpp (original)
+++ llvm/trunk/lib/IR/PassRegistry.cpp Sun Oct  5 19:30:59 2014
@@ -101,10 +101,6 @@ void PassRegistry::registerAnalysisGroup
     // the interface.
     ImplementationInfo->addInterfaceImplemented(InterfaceInfo);
 
-    AnalysisGroupInfo &AGI = AnalysisGroupInfoMap[InterfaceInfo];
-    assert(AGI.Implementations.count(ImplementationInfo) == 0 &&
-           "Cannot add a pass to the same analysis group more than once!");
-    AGI.Implementations.insert(ImplementationInfo);
     if (isDefault) {
       assert(InterfaceInfo->getNormalCtor() == nullptr &&
              "Default implementation for analysis group already specified!");