remove some dead code

lib/Analysis/IPA/InlineCost.cpp         |   18 ------------------
 lib/Analysis/RegionPass.cpp             |    1 -
 lib/Analysis/TypeBasedAliasAnalysis.cpp |    1 -
 lib/Transforms/Scalar/LoopUnswitch.cpp  |   21 ---------------------
 lib/Transforms/Utils/LCSSA.cpp          |    2 --
 lib/Transforms/Utils/LoopSimplify.cpp   |    6 ------
 utils/TableGen/AsmWriterEmitter.cpp     |   13 -------------
 utils/TableGen/DFAPacketizerEmitter.cpp |    7 -------
 utils/TableGen/IntrinsicEmitter.cpp     |    2 --
 9 files changed, 71 deletions(-)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206506 91177308-0d34-0410-b5e6-96231b3b80d8

utils/TableGen/DFAPacketizerEmitter.cpp

@@ -139,7 +139,6 @@ public:
   //
   // Modify the DFA.
   //
-  void initialize();
   void addState(State *);
 
   //
@@ -248,12 +247,6 @@ bool State::canAddInsnClass(unsigned InsnClass) const {
 }
 
 
-void DFA::initialize() {
-  assert(currentState && "Missing current state");
-  currentState->isInitial = true;
-}
-
-
 void DFA::addState(State *S) {
   assert(!states.count(S) && "State already exists");
   states.insert(S);