1 files changed, 26 insertions, 14 deletions

diff --git a/lib/VMCore/Pass.cpp b/lib/VMCore/Pass.cpp
index b037994..a2831d3 100644
--- a/lib/VMCore/Pass.cpp
+++ b/lib/VMCore/Pass.cpp
@@ -19,6 +19,7 @@
 #include "llvm/ModuleProvider.h"
 #include "llvm/ADT/STLExtras.h"
 #include "llvm/Support/ManagedStatic.h"
+#include "llvm/Support/raw_ostream.h"
 #include "llvm/System/Atomic.h"
 #include "llvm/System/Mutex.h"
 #include "llvm/System/Threading.h"
@@ -45,7 +46,7 @@ bool Pass::mustPreserveAnalysisID(const PassInfo *AnalysisID) const {
 
 // dumpPassStructure - Implement the -debug-passes=Structure option
 void Pass::dumpPassStructure(unsigned Offset) {
-  cerr << std::string(Offset*2, ' ') << getPassName() << "\n";
+  errs().indent(Offset*2) << getPassName() << "\n";
 }
 
 /// getPassName - Return a nice clean name for a pass.  This usually
@@ -62,13 +63,13 @@ const char *Pass::getPassName() const {
 // to print out the contents of an analysis.  Otherwise it is not necessary to
 // implement this method.
 //
-void Pass::print(std::ostream &O,const Module*) const {
+void Pass::print(raw_ostream &O,const Module*) const {
   O << "Pass::print not implemented for pass: '" << getPassName() << "'!\n";
 }
 
 // dump - call print(cerr);
 void Pass::dump() const {
-  print(*cerr.stream(), 0);
+  print(errs(), 0);
 }
 
 //===----------------------------------------------------------------------===//
@@ -128,12 +129,13 @@ class PassRegistrar {
   /// pass.
   typedef std::map<intptr_t, const PassInfo*> MapType;
   MapType PassInfoMap;
+
+  typedef StringMap<const PassInfo*> StringMapType;
+  StringMapType PassInfoStringMap;
   
   /// AnalysisGroupInfo - Keep track of information for each analysis group.
   struct AnalysisGroupInfo {
-    const PassInfo *DefaultImpl;
     std::set<const PassInfo *> Implementations;
-    AnalysisGroupInfo() : DefaultImpl(0) {}
   };
   
   /// AnalysisGroupInfoMap - Information for each analysis group.
@@ -146,10 +148,16 @@ public:
     return I != PassInfoMap.end() ? I->second : 0;
   }
   
+  const PassInfo *GetPassInfo(const StringRef &Arg) const {
+    StringMapType::const_iterator I = PassInfoStringMap.find(Arg);
+    return I != PassInfoStringMap.end() ? I->second : 0;
+  }
+  
   void RegisterPass(const PassInfo &PI) {
     bool Inserted =
       PassInfoMap.insert(std::make_pair(PI.getTypeInfo(),&PI)).second;
     assert(Inserted && "Pass registered multiple times!"); Inserted=Inserted;
+    PassInfoStringMap[PI.getPassArgument()] = &PI;
   }
   
   void UnregisterPass(const PassInfo &PI) {
@@ -158,6 +166,7 @@ public:
     
     // Remove pass from the map.
     PassInfoMap.erase(I);
+    PassInfoStringMap.erase(PI.getPassArgument());
   }
   
   void EnumerateWith(PassRegistrationListener *L) {
@@ -176,11 +185,10 @@ public:
            "Cannot add a pass to the same analysis group more than once!");
     AGI.Implementations.insert(ImplementationInfo);
     if (isDefault) {
-      assert(AGI.DefaultImpl == 0 && InterfaceInfo->getNormalCtor() == 0 &&
+      assert(InterfaceInfo->getNormalCtor() == 0 &&
              "Default implementation for analysis group already specified!");
       assert(ImplementationInfo->getNormalCtor() &&
            "Cannot specify pass as default if it does not have a default ctor");
-      AGI.DefaultImpl = ImplementationInfo;
       InterfaceInfo->setNormalCtor(ImplementationInfo->getNormalCtor());
     }
   }
@@ -229,11 +237,15 @@ const PassInfo *Pass::lookupPassInfo(intptr_t TI) {
   return getPassRegistrar()->GetPassInfo(TI);
 }
 
+const PassInfo *Pass::lookupPassInfo(const StringRef &Arg) {
+  return getPassRegistrar()->GetPassInfo(Arg);
+}
+
 void PassInfo::registerPass() {
   getPassRegistrar()->RegisterPass(*this);
 
   // Notify any listeners.
-  sys::SmartScopedLock<true> Lock(&ListenersLock);
+  sys::SmartScopedLock<true> Lock(ListenersLock);
   if (Listeners)
     for (std::vector<PassRegistrationListener*>::iterator
            I = Listeners->begin(), E = Listeners->end(); I != E; ++I)
@@ -252,10 +264,10 @@ void PassInfo::unregisterPass() {
 //
 RegisterAGBase::RegisterAGBase(const char *Name, intptr_t InterfaceID,
                                intptr_t PassID, bool isDefault)
-  : PassInfo(Name, InterfaceID),
-    ImplementationInfo(0), isDefaultImplementation(isDefault) {
+  : PassInfo(Name, InterfaceID) {
 
-  InterfaceInfo = const_cast<PassInfo*>(Pass::lookupPassInfo(InterfaceID));
+  PassInfo *InterfaceInfo =
+    const_cast<PassInfo*>(Pass::lookupPassInfo(InterfaceID));
   if (InterfaceInfo == 0) {
     // First reference to Interface, register it now.
     registerPass();
@@ -265,7 +277,7 @@ RegisterAGBase::RegisterAGBase(const char *Name, intptr_t InterfaceID,
          "Trying to join an analysis group that is a normal pass!");
 
   if (PassID) {
-    ImplementationInfo = Pass::lookupPassInfo(PassID);
+    const PassInfo *ImplementationInfo = Pass::lookupPassInfo(PassID);
     assert(ImplementationInfo &&
            "Must register pass before adding to AnalysisGroup!");
 
@@ -286,14 +298,14 @@ RegisterAGBase::RegisterAGBase(const char *Name, intptr_t InterfaceID,
 // PassRegistrationListener ctor - Add the current object to the list of
 // PassRegistrationListeners...
 PassRegistrationListener::PassRegistrationListener() {
-  sys::SmartScopedLock<true> Lock(&ListenersLock);
+  sys::SmartScopedLock<true> Lock(ListenersLock);
   if (!Listeners) Listeners = new std::vector<PassRegistrationListener*>();
   Listeners->push_back(this);
 }
 
 // dtor - Remove object from list of listeners...
 PassRegistrationListener::~PassRegistrationListener() {
-  sys::SmartScopedLock<true> Lock(&ListenersLock);
+  sys::SmartScopedLock<true> Lock(ListenersLock);
   std::vector<PassRegistrationListener*>::iterator I =
     std::find(Listeners->begin(), Listeners->end(), this);
   assert(Listeners && I != Listeners->end() &&