Make headers standalone, move a virtual method out of line.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144536 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Transforms/Utils/SSAUpdater.cpp

@@ -518,3 +518,10 @@ run(const SmallVectorImpl<Instruction*> &Insts) const {
     User->eraseFromParent();
   }
 }
+
+bool
+LoadAndStorePromoter::isInstInList(Instruction *I,
+                                   const SmallVectorImpl<Instruction*> &Insts)
+                                   const {
+  return std::find(Insts.begin(), Insts.end(), I) != Insts.end();
+}