Break the Loop statement handling code into separate helper functions for maintainability

                                     mlir::Location location,

                                     antlr4::ParserRuleContext* context);

  // Helper to handle range-based for loop

  void createRangeBasedForLoop(qasm3Parser::LoopStatementContext *context);

  // Helper to handle set-based for loop:

  // e.g., for i in {1,4,6,7}:

  void createSetBasedForLoop(qasm3Parser::LoopStatementContext *context);

  // While loop

  void createWhileLoop(qasm3Parser::LoopStatementContext *context);

  // This function serves as a utility for creating a MemRef and

  // corresponding AllocOp of a given 1d shape. It will also store

  // initial values to all elements of the 1d array.

TEST(qasm3VisitorTester, checkCtrlDirectivesComplex) {

  const std::string uint_index = R"#(OPENQASM 3;

OPENQASM 3;

include "qelib1.inc";

int[64] iterate_value = 0;