eliminate InvalidateLabel and LabelIDList from MMI and replace

them with a counter.

llvm-svn: 98462

llvm/lib/CodeGen/MachineModuleInfo.cpp

@@ -41,8 +41,8 @@ MachineModuleInfoImpl::~MachineModuleInfoImpl() {}
 
 MachineModuleInfo::MachineModuleInfo(const MCAsmInfo &MAI)
 : ImmutablePass(&ID), Context(MAI),
-  ObjFileMMI(0), CurCallSite(0), CallsEHReturn(0), CallsUnwindInit(0),
-  DbgInfoAvailable(false) {
+  ObjFileMMI(0), NextLabelIDToReturn(1), 
+  CurCallSite(0), CallsEHReturn(0), CallsUnwindInit(0), DbgInfoAvailable(false){
   // Always emit some info, by default "no personality" info.
   Personalities.push_back(NULL);
 }