message: Modifying calls due to CallInst changes.
diff: @@ -4048,7 +4048,11 @@ void CWriter::visitCallInst(llvm::CallInst &I) {
  if (visitBuiltinCall(I, ID, WroteCallee))
  return;
  +#if ISPC_LLVM_VERSION >= ISPC_LLVM_11_0
  + llvm::Value *Callee = I.getCalledOperand();
  +#else
  llvm::Value *Callee = I.getCalledValue();
  +#endif
  // llvm::PointerType *PTy = llvm::cast<llvm::PointerType>(Callee->getType());
  // llvm::FunctionType *FTy = llvm::cast<llvm::FunctionType>(PTy->getElementType());
  