Update DFG2LLVM_NVPTX.cpp to fix callinst of a function within the kernel.

llvm/lib/Transforms/DFG2LLVM_NVPTX/DFG2LLVM_NVPTX.cpp

@@ -1465,6 +1465,10 @@ void CGT_NVPTX::codeGen(DFLeafNode* N) {
         Function* newCalleeF = CloneFunction(calleeF, VMap);
         newCalleeF->removeFromParent(); //TODO: MARIA check
         KernelM->getFunctionList().push_back(newCalleeF);
+        CallInst *CInew = CallInst::Create(newCalleeF, CI->getArgOperand(0), CI->getName(), CI);
+        CI->replaceAllUsesWith(CInew);
+        CItoRemove.push_back(CI);
+
       }
       //TODO: how to handle address space qualifiers in load/store
     }