use struct instead of tuple

Author: Wolfram70

mlir/include/mlir/Dialect/LLVMIR/NVVMDialect.h

@@ -55,14 +55,21 @@ enum NVVMMemorySpace {
   kSharedClusterMemorySpace = 7,
 };
 
-/// A tuple type of LLVM's Intrinsic ID, args (which are llvm values),
+/// A struct of LLVM's Intrinsic ID, args (which are llvm values),
 /// and args types (which are llvm types).
 /// Args types are only required for overloaded intrinsics to provide the
 /// correct argument types to the createIntrinsicCall() method.
 /// This type is returned by the getIIDAndArgsWithTypes() methods.
-using IIDArgsWithTypes =
-    std::tuple<llvm::Intrinsic::ID, llvm::SmallVector<llvm::Value *>,
-               llvm::SmallVector<llvm::Type *>>;
+struct IIDArgsWithTypes {
+  IIDArgsWithTypes(llvm::Intrinsic::ID id,
+                   llvm::SmallVector<llvm::Value *> args,
+                   llvm::SmallVector<llvm::Type *> types)
+      : id(id), args(args), types(types) {}
+
+  llvm::Intrinsic::ID id;
+  llvm::SmallVector<llvm::Value *> args;
+  llvm::SmallVector<llvm::Type *> types;
+};
 
 /// Return the element type and number of elements associated with a wmma matrix
 /// of given chracteristics. This matches the logic in IntrinsicsNVVM.td