Give PassManager and FunctionPassManager a common base class, with

add(Pass *) as a pure virtual member function. This will allow all
the various addPassesTo* functions in LLVM to avoid hard-coding what
type of PassManager is used. 

llvm-svn: 48226

1 files changed, 1 insertions, 1 deletions

diff --git a/llvm/lib/VMCore/PassManager.cpp b/llvm/lib/VMCore/PassManager.cpp
index 16966452e1b..bef1171bd0e 100644
--- a/llvm/lib/VMCore/PassManager.cpp
+++ b/llvm/lib/VMCore/PassManager.cpp
@@ -1531,4 +1531,4 @@ void BasicBlockPass::assignPassManager(PMStack &PMS,
   BBP->add(this);
 }
 
-
+PassManagerBase::~PassManagerBase() {}