[Mlir-commits] [mlir] [MLIR][Python] Add the `--mlir-print-ir-tree-dir` to the C and Python API (PR #117339)

[Maksim Levental]

================
@@ -76,14 +76,16 @@ void mlir::python::populatePassManagerSubmodule(py::module &m) {
           "enable_ir_printing",
           [](PyPassManager &passManager, bool printBeforeAll,
              bool printAfterAll, bool printModuleScope, bool printAfterChange,
-             bool printAfterFailure) {
+             bool printAfterFailure, std::string treePrintingPath) {
----------------
makslevental wrote:

You can go `std::optional<string>` here and then `"treePrintingPath"_a = py::none()` below and the arg will be `nullopt` when someone doesn't pass it.

https://github.com/llvm/llvm-project/pull/117339