diff --git a/projects/hip/src/Cuda2Hip.cpp b/projects/hip/src/Cuda2Hip.cpp
index 5a1432a185..57df437e77 100644
--- a/projects/hip/src/Cuda2Hip.cpp
+++ b/projects/hip/src/Cuda2Hip.cpp
@@ -307,98 +307,105 @@ namespace {
   };
 
 class Cuda2HipCallback : public MatchFinder::MatchCallback {
- public:
-   Cuda2HipCallback(Replacements *Replace) : Replace(Replace) {}
-
-  void run(const MatchFinder::MatchResult &Result) override {
-
-    SourceManager * SM = Result.SourceManager;
-
-	  if (const CallExpr * call = Result.Nodes.getNodeAs<clang::CallExpr>("cudaCall"))
-	  {
-		  const FunctionDecl * funcDcl = call->getDirectCallee();
-		  std::string name = funcDcl->getDeclName().getAsString();
-		  if (N.cuda2hipRename.count(name)) {
-			  std::string repName = N.cuda2hipRename[name];
-        SourceLocation sl = call->getLocStart();
-			  Replacement Rep(*SM, SM->isMacroArgExpansion(sl) ?
-         SM->getImmediateSpellingLoc(sl) : sl, name.length(), repName);
-			  Replace->insert(Rep);
-		  }
-	  }
-
-	  if (const CUDAKernelCallExpr * launchKernel = Result.Nodes.getNodeAs<clang::CUDAKernelCallExpr>("cudaLaunchKernel"))
-	  {
-      LangOptions DefaultLangOptions;
-
-		  const FunctionDecl * kernelDecl = launchKernel->getDirectCallee();
-
-      const ParmVarDecl * pvdFirst = kernelDecl->getParamDecl(0);
-      const ParmVarDecl * pvdLast = kernelDecl->getParamDecl(kernelDecl->getNumParams()-1);
-      SourceLocation kernelArgListStart(pvdFirst->getLocStart());
-      SourceLocation kernelArgListEnd(pvdLast->getLocEnd());
-      SourceLocation stop = clang::Lexer::getLocForEndOfToken(kernelArgListEnd, 0, *SM, DefaultLangOptions);
-      size_t replacementLength = SM->getCharacterData(stop) - SM->getCharacterData(kernelArgListStart);
-      std::string outs(SM->getCharacterData(kernelArgListStart), replacementLength);
-      llvm::outs() << "initial paramlist: " << outs.c_str() << "\n";
-      outs = "hipLaunchParm lp, " + outs;
-      llvm::outs() << "new paramlist: " << outs.c_str() << "\n";
-      Replacement Rep0(*(Result.SourceManager), kernelArgListStart, replacementLength, outs);
-      Replace->insert(Rep0);
-
-
-      std::string name = kernelDecl->getDeclName().getAsString();
-      std::string repName = "hipLaunchKernel(HIP_KERNEL_NAME(" + name + "), ";
-      
-
-      const CallExpr * config = launchKernel->getConfig();
-      llvm::outs() << "\nKernel config arguments:\n";
-      for (unsigned argno = 0; argno < config->getNumArgs(); argno++)
-      {
-        const Expr * arg = config->getArg(argno);
-        if (!isa<CXXDefaultArgExpr>(arg)) {
-          std::string typeCtor = "";
-          const ParmVarDecl * pvd = config->getDirectCallee()->getParamDecl(argno);
-          
-          SourceLocation sl(arg->getLocStart());
-          SourceLocation el(arg->getLocEnd());
-          SourceLocation stop = clang::Lexer::getLocForEndOfToken(el, 0, *SM, DefaultLangOptions);
-          std::string outs(SM->getCharacterData(sl), SM->getCharacterData(stop) - SM->getCharacterData(sl));
-          llvm::outs() << "args[ " << argno << "]" << outs.c_str() << " <" << pvd->getType().getAsString() << ">\n";
-          if (pvd->getType().getAsString().compare("dim3") == 0)
-            repName += " dim3(" + outs + "),";
-          else
-            repName += " " + outs + ",";
-        } else
-          repName += " 0,";
-      }
- 
-      for (unsigned argno = 0; argno < launchKernel->getNumArgs(); argno++)
-      {
-        const Expr * arg = launchKernel->getArg(argno);
-        SourceLocation sl(arg->getLocStart());
-        SourceLocation el(arg->getLocEnd());
-        SourceLocation stop = clang::Lexer::getLocForEndOfToken(el, 0, *SM, DefaultLangOptions);
-        std::string outs(SM->getCharacterData(sl), SM->getCharacterData(stop) - SM->getCharacterData(sl));
-        llvm::outs() << outs.c_str() << "\n";
-        repName += " " + outs + ",";
-      }
-      repName.pop_back();
-      repName += ")";
-      size_t length = SM->getCharacterData(clang::Lexer::getLocForEndOfToken(launchKernel->getLocEnd(), 0, *SM, DefaultLangOptions)) -
-        SM->getCharacterData(launchKernel->getLocStart());
-      Replacement Rep(*SM, launchKernel->getLocStart(), length, repName);
-      Replace->insert(Rep);
-	  }
-
-	  if (const MemberExpr * threadIdx = Result.Nodes.getNodeAs<clang::MemberExpr>("cudaBuiltin"))
-	  {
-		  if (const OpaqueValueExpr * refBase = dyn_cast<OpaqueValueExpr>(threadIdx->getBase())) {
-        if (const DeclRefExpr * declRef = dyn_cast<DeclRefExpr>(refBase->getSourceExpr())) {
-          std::string name = declRef->getDecl()->getNameAsString();
-          std::string memberName = threadIdx->getMemberDecl()->getNameAsString();
-          size_t pos = memberName.find_first_not_of("__fetch_builtin_");
-          memberName = memberName.substr(pos, memberName.length() - pos);
+  public:
+    Cuda2HipCallback(Replacements *Replace) : Replace(Replace) {}
+
+    void run(const MatchFinder::MatchResult &Result) override {
+
+      SourceManager * SM = Result.SourceManager;
+
+      if (const CallExpr * call = Result.Nodes.getNodeAs<clang::CallExpr>("cudaCall"))
+      {
+        const FunctionDecl * funcDcl = call->getDirectCallee();
+        std::string name = funcDcl->getDeclName().getAsString();
+        if (N.cuda2hipRename.count(name)) {
+	  std::string repName = N.cuda2hipRename[name];
+          SourceLocation sl = call->getLocStart();
+	  Replacement Rep(*SM, SM->isMacroArgExpansion(sl) ?
+          SM->getImmediateSpellingLoc(sl) : sl, name.length(), repName);
+	  Replace->insert(Rep);
+        }
+      }
+
+      if (const CUDAKernelCallExpr * launchKernel = Result.Nodes.getNodeAs<clang::CUDAKernelCallExpr>("cudaLaunchKernel"))
+      {
+        LangOptions DefaultLangOptions;
+        StringRef initialParamList;
+        SmallString<40> XStr;
+        raw_svector_ostream OS(XStr);
+        OS << "hipLaunchParm lp";
+        const FunctionDecl * kernelDecl = launchKernel->getDirectCallee();
+        SourceLocation l1 = kernelDecl->getNameInfo().getLocStart();
+        l1.dump(*SM);llvm::outs() << "\n";
+        SourceLocation kernelArgListStart = clang::Lexer::findLocationAfterToken(l1, clang::tok::l_paren, *SM, DefaultLangOptions, true);
+        kernelArgListStart.dump(*SM);llvm::outs() << "\n";
+        size_t replacementLength = 0;
+        if (kernelDecl->getNumParams() > 0) {
+          //const ParmVarDecl * pvdFirst = kernelDecl->getParamDecl(0);
+          const ParmVarDecl * pvdLast = kernelDecl->getParamDecl(kernelDecl->getNumParams()-1);
+          //kernelArgListStart = SourceLocation(pvdFirst->getLocStart());
+          SourceLocation kernelArgListEnd = SourceLocation(pvdLast->getLocEnd());
+          SourceLocation stop = clang::Lexer::getLocForEndOfToken(kernelArgListEnd, 0, *SM, DefaultLangOptions);
+          replacementLength = SM->getCharacterData(stop) - SM->getCharacterData(kernelArgListStart);
+          initialParamList = StringRef(SM->getCharacterData(kernelArgListStart), replacementLength);
+          OS << ", " << initialParamList;
+        }
+          
+        llvm::outs() << "initial paramlist: " << initialParamList << "\n";
+        llvm::outs() << "new paramlist: " << OS.str() << "\n";
+        Replacement Rep0(*(Result.SourceManager), kernelArgListStart, replacementLength, OS.str());
+        Replace->insert(Rep0);
+
+      XStr.clear();
+      OS << "hipLaunchKernel(HIP_KERNEL_NAME(" << kernelDecl->getName() << "), ";
+
+      const CallExpr * config = launchKernel->getConfig();
+      llvm::outs() << "\nKernel config arguments:\n";
+      for (unsigned argno = 0; argno < config->getNumArgs(); argno++)
+      {
+        const Expr * arg = config->getArg(argno);
+        if (!isa<CXXDefaultArgExpr>(arg)) {
+          const ParmVarDecl * pvd = config->getDirectCallee()->getParamDecl(argno);
+          
+          SourceLocation sl(arg->getLocStart());
+          SourceLocation el(arg->getLocEnd());
+          SourceLocation stop = clang::Lexer::getLocForEndOfToken(el, 0, *SM, DefaultLangOptions);
+          StringRef outs(SM->getCharacterData(sl), SM->getCharacterData(stop) - SM->getCharacterData(sl));
+          llvm::outs() << "args[ " << argno << "]" << outs << " <" << pvd->getType().getAsString() << ">\n";
+          if (pvd->getType().getAsString().compare("dim3") == 0)
+            OS << " dim3(" << outs << "),";
+          else
+            OS << " " << outs << ",";
+        } else
+          OS << " 0,";
+      }
+ 
+      for (unsigned argno = 0; argno < launchKernel->getNumArgs(); argno++)
+      {
+        const Expr * arg = launchKernel->getArg(argno);
+        SourceLocation sl(arg->getLocStart());
+        SourceLocation el(arg->getLocEnd());
+        SourceLocation stop = clang::Lexer::getLocForEndOfToken(el, 0, *SM, DefaultLangOptions);
+        std::string outs(SM->getCharacterData(sl), SM->getCharacterData(stop) - SM->getCharacterData(sl));
+        llvm::outs() << outs.c_str() << "\n";
+        OS << " " << outs << ",";
+      }
+      XStr.pop_back();
+      OS << ")";
+      size_t length = SM->getCharacterData(clang::Lexer::getLocForEndOfToken(launchKernel->getLocEnd(), 0, *SM, DefaultLangOptions)) -
+        SM->getCharacterData(launchKernel->getLocStart());
+      Replacement Rep(*SM, launchKernel->getLocStart(), length, OS.str());
+      Replace->insert(Rep);
+	  }
+
+	  if (const MemberExpr * threadIdx = Result.Nodes.getNodeAs<clang::MemberExpr>("cudaBuiltin"))
+	  {
+		  if (const OpaqueValueExpr * refBase = dyn_cast<OpaqueValueExpr>(threadIdx->getBase())) {
+        if (const DeclRefExpr * declRef = dyn_cast<DeclRefExpr>(refBase->getSourceExpr())) {
+          std::string name = declRef->getDecl()->getNameAsString();
+          std::string memberName = threadIdx->getMemberDecl()->getNameAsString();
+          size_t pos = memberName.find_first_not_of("__fetch_builtin_");
+          memberName = memberName.substr(pos, memberName.length() - pos);
           name += "." + memberName;
      		  std::string repName = N.cuda2hipRename[name];
           SourceLocation sl = threadIdx->getLocStart();