2 files changed, 42 insertions, 3 deletions

diff --git a/mlir/lib/Bindings/Python/Globals.h b/mlir/lib/Bindings/Python/Globals.h
index 71a051c..1e81f53 100644
--- a/mlir/lib/Bindings/Python/Globals.h
+++ b/mlir/lib/Bindings/Python/Globals.h
@@ -17,6 +17,7 @@
 
 #include "NanobindUtils.h"
 #include "mlir-c/IR.h"
+#include "mlir-c/Support.h"
 #include "mlir/CAPI/Support.h"
 #include "llvm/ADT/DenseMap.h"
 #include "llvm/ADT/StringExtras.h"
@@ -151,6 +152,29 @@ public:
 
   TracebackLoc &getTracebackLoc() { return tracebackLoc; }
 
+  class TypeIDAllocator {
+  public:
+    TypeIDAllocator() : allocator(mlirTypeIDAllocatorCreate()) {}
+    ~TypeIDAllocator() {
+      if (allocator.ptr)
+        mlirTypeIDAllocatorDestroy(allocator);
+    }
+    TypeIDAllocator(const TypeIDAllocator &) = delete;
+    TypeIDAllocator(TypeIDAllocator &&other) : allocator(other.allocator) {
+      other.allocator.ptr = nullptr;
+    }
+
+    MlirTypeIDAllocator get() { return allocator; }
+    MlirTypeID allocate() {
+      return mlirTypeIDAllocatorAllocateTypeID(allocator);
+    }
+
+  private:
+    MlirTypeIDAllocator allocator;
+  };
+
+  MlirTypeID allocateTypeID() { return typeIDAllocator.allocate(); }
+
 private:
   static PyGlobals *instance;
 
@@ -173,6 +197,7 @@ private:
   llvm::StringSet<> loadedDialectModules;
 
   TracebackLoc tracebackLoc;
+  TypeIDAllocator typeIDAllocator;
 };
 
 } // namespace python
diff --git a/mlir/lib/Bindings/Python/Pass.cpp b/mlir/lib/Bindings/Python/Pass.cpp
index e489585..572afa9 100644
--- a/mlir/lib/Bindings/Python/Pass.cpp
+++ b/mlir/lib/Bindings/Python/Pass.cpp
@@ -8,6 +8,7 @@
 
 #include "Pass.h"
 
+#include "Globals.h"
 #include "IRModule.h"
 #include "mlir-c/Pass.h"
 // clang-format off
@@ -57,6 +58,13 @@ private:
 /// Create the `mlir.passmanager` here.
 void mlir::python::populatePassManagerSubmodule(nb::module_ &m) {
   //----------------------------------------------------------------------------
+  // Mapping of enumerated types
+  //----------------------------------------------------------------------------
+  nb::enum_<MlirPassDisplayMode>(m, "PassDisplayMode")
+      .value("LIST", MLIR_PASS_DISPLAY_MODE_LIST)
+      .value("PIPELINE", MLIR_PASS_DISPLAY_MODE_PIPELINE);
+
+  //----------------------------------------------------------------------------
   // Mapping of MlirExternalPass
   //----------------------------------------------------------------------------
   nb::class_<MlirExternalPass>(m, "ExternalPass")
@@ -138,6 +146,14 @@ void mlir::python::populatePassManagerSubmodule(nb::module_ &m) {
             mlirPassManagerEnableTiming(passManager.get());
           },
           "Enable pass timing.")
+      .def(
+          "enable_statistics",
+          [](PyPassManager &passManager, MlirPassDisplayMode displayMode) {
+            mlirPassManagerEnableStatistics(passManager.get(), displayMode);
+          },
+          "displayMode"_a =
+              MlirPassDisplayMode::MLIR_PASS_DISPLAY_MODE_PIPELINE,
+          "Enable pass statistics.")
       .def_static(
           "parse",
           [](const std::string &pipeline, DefaultingPyMlirContext context) {
@@ -181,9 +197,7 @@ void mlir::python::populatePassManagerSubmodule(nb::module_ &m) {
               name = nb::cast<std::string>(
                   nb::borrow<nb::str>(run.attr("__name__")));
             }
-            MlirTypeIDAllocator typeIDAllocator = mlirTypeIDAllocatorCreate();
-            MlirTypeID passID =
-                mlirTypeIDAllocatorAllocateTypeID(typeIDAllocator);
+            MlirTypeID passID = PyGlobals::get().allocateTypeID();
             MlirExternalPassCallbacks callbacks;
             callbacks.construct = [](void *obj) {
               (void)nb::handle(static_cast<PyObject *>(obj)).inc_ref();