Remove unneeded forward declarations.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186244 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/include/llvm/IR/Metadata.h b/include/llvm/IR/Metadata.h
index e0b29fdf7c78bcbb0a5ece763eb7eb597ce10eab..acd84d7cc18eaa53b97bebdb44bd090b9c1ebecc 100644 (file)
--- a/include/llvm/IR/Metadata.h
+++ b/include/llvm/IR/Metadata.h
@@ -22,11 +22,8 @@
 #include "llvm/IR/Value.h"
 
 namespace llvm {
-class Constant;
-class Instruction;
 class LLVMContext;
 class Module;
-template <typename T> class SmallVectorImpl;
 template<typename ValueSubClass, typename ItemParentClass>
   class SymbolTableListTraits;