1 files changed, 67 insertions, 0 deletions
diff --git a/lib/VMCore/Pass.cpp b/lib/VMCore/Pass.cpp
index 1232fe2..6bea7a8 100644
--- a/lib/VMCore/Pass.cpp
+++ b/lib/VMCore/Pass.cpp
@@ -41,6 +41,10 @@ Pass::~Pass() {
 // Force out-of-line virtual method.
 ModulePass::~ModulePass() { }
 
+PassManagerType ModulePass::getPotentialPassManagerType() const {
+  return PMT_ModulePassManager;
+}
+
 bool Pass::mustPreserveAnalysisID(const PassInfo *AnalysisID) const {
   return Resolver->getAnalysisIfAvailable(AnalysisID, true) != 0;
 }
@@ -60,6 +64,27 @@ const char *Pass::getPassName() const {
   return "Unnamed pass: implement Pass::getPassName()";
 }
 
+void Pass::preparePassManager(PMStack &) {
+  // By default, don't do anything.
+}
+
+PassManagerType Pass::getPotentialPassManagerType() const {
+  // Default implementation.
+  return PMT_Unknown; 
+}
+
+void Pass::getAnalysisUsage(AnalysisUsage &) const {
+  // By default, no analysis results are used, all are invalidated.
+}
+
+void Pass::releaseMemory() {
+  // By default, don't do anything.
+}
+
+void Pass::verifyAnalysis() const {
+  // By default, don't do anything.
+}
+
 // print - Print out the internal state of the pass.  This is called by Analyze
 // to print out the contents of an analysis.  Otherwise it is not necessary to
 // implement this method.
@@ -79,6 +104,10 @@ void Pass::dump() const {
 // Force out-of-line virtual method.
 ImmutablePass::~ImmutablePass() { }
 
+void ImmutablePass::initializePass() {
+  // By default, don't do anything.
+}
+
 //===----------------------------------------------------------------------===//
 // FunctionPass Implementation
 //
@@ -107,6 +136,20 @@ bool FunctionPass::run(Function &F) {
   return Changed | doFinalization(*F.getParent());
 }
 
+bool FunctionPass::doInitialization(Module &) {
+  // By default, don't do anything.
+  return false;
+}
+
+bool FunctionPass::doFinalization(Module &) {
+  // By default, don't do anything.
+  return false;
+}
+
+PassManagerType FunctionPass::getPotentialPassManagerType() const {
+  return PMT_FunctionPassManager;
+}
+
 //===----------------------------------------------------------------------===//
 // BasicBlockPass Implementation
 //
@@ -121,6 +164,30 @@ bool BasicBlockPass::runOnFunction(Function &F) {
   return Changed | doFinalization(F);
 }
 
+bool BasicBlockPass::doInitialization(Module &) {
+  // By default, don't do anything.
+  return false;
+}
+
+bool BasicBlockPass::doInitialization(Function &) {
+  // By default, don't do anything.
+  return false;
+}
+
+bool BasicBlockPass::doFinalization(Function &) {
+  // By default, don't do anything.
+  return false;
+}
+
+bool BasicBlockPass::doFinalization(Module &) {
+  // By default, don't do anything.
+  return false;
+}
+
+PassManagerType BasicBlockPass::getPotentialPassManagerType() const {
+  return PMT_BasicBlockPassManager; 
+}
+
 //===----------------------------------------------------------------------===//
 // Pass Registration mechanism
 //