Expose loops transforms through python api (#21710)

Signed-off-by: Ivan Butygin <ivan.butygin@gmail.com>
diff --git a/compiler/bindings/python/CMakeLists.txt b/compiler/bindings/python/CMakeLists.txt
index 22a7b64..60493d9 100644
--- a/compiler/bindings/python/CMakeLists.txt
+++ b/compiler/bindings/python/CMakeLists.txt
@@ -234,6 +234,7 @@
   MLIRPythonSources.Dialects.transform.interpreter
   MLIRPythonSources.Dialects.vector
   MLIRPythonSources.Dialects.vector_transform
+  MLIRPythonSources.Dialects.loop_transform
 
   # iree-dialects project.
   IREEDialectsPythonSources
diff --git a/compiler/bindings/python/test/ir/dialects_test.py b/compiler/bindings/python/test/ir/dialects_test.py
index 6a14997..86ad071 100644
--- a/compiler/bindings/python/test/ir/dialects_test.py
+++ b/compiler/bindings/python/test/ir/dialects_test.py
@@ -46,6 +46,7 @@
 
 # Smoke test for vector transforms
 from iree.compiler.dialects.transform import vector as vt
+from iree.compiler.dialects.transform import loop
 
 # Make sure that our dialects import.
 from iree.compiler.dialects import flow, hal, stream, vm, util, iree_codegen, iree_gpu