Changes upon rebasing

Author: bharadwajy

llvm/lib/Target/DirectX/DXILPrepare.cpp

@@ -248,7 +248,10 @@ class DXILPrepareModule : public ModulePass {
   DXILPrepareModule() : ModulePass(ID) {}
   void getAnalysisUsage(AnalysisUsage &AU) const override {
     AU.setPreservesAll();
+    AU.addPreserved<ShaderFlagsAnalysisWrapper>();
+    AU.addPreserved<DXILResourceMDWrapper>();
     AU.addRequired<DXILMetadataAnalysisWrapperPass>();
+    AU.addPreserved<DXILResourceWrapperPass>();
   }
   static char ID; // Pass identification.
 };

llvm/lib/Target/DirectX/DirectXTargetMachine.cpp

@@ -28,6 +28,7 @@
 #include "llvm/CodeGen/TargetPassConfig.h"
 #include "llvm/IR/IRPrintingPasses.h"
 #include "llvm/IR/LegacyPassManager.h"
+#include "llvm/InitializePasses.h"
 #include "llvm/MC/MCSectionDXContainer.h"
 #include "llvm/MC/SectionKind.h"
 #include "llvm/MC/TargetRegistry.h"