Revert "`iree_gpu` Python bindings (`GPUPipelineOptionsAttr`)" (#18833)

Reverts iree-org/iree#18804

This broke local builds on Windows:
https://github.com/iree-org/iree/pull/18804#issuecomment-2422732757.
diff --git a/compiler/bindings/c/BUILD.bazel b/compiler/bindings/c/BUILD.bazel
index 01c939c..21857d0 100644
--- a/compiler/bindings/c/BUILD.bazel
+++ b/compiler/bindings/c/BUILD.bazel
@@ -14,7 +14,6 @@
     name = "headers",
     hdrs = [
         "iree/compiler/api_support.h",
-        "iree/compiler/dialects/iree_gpu.h",
         "iree/compiler/embedding_api.h",
         "iree/compiler/loader.h",
         "iree/compiler/mlir_interop.h",
diff --git a/compiler/bindings/c/CMakeLists.txt b/compiler/bindings/c/CMakeLists.txt
index f13bf42..2ac9f5e 100644
--- a/compiler/bindings/c/CMakeLists.txt
+++ b/compiler/bindings/c/CMakeLists.txt
@@ -22,7 +22,6 @@
     headers
   HDRS
     "iree/compiler/api_support.h"
-    "iree/compiler/dialects/iree_gpu.h"
     "iree/compiler/embedding_api.h"
     "iree/compiler/loader.h"
     "iree/compiler/mlir_interop.h"
diff --git a/compiler/bindings/c/iree/compiler/dialects/iree_gpu.h b/compiler/bindings/c/iree/compiler/dialects/iree_gpu.h
deleted file mode 100644
index 6798ed3..0000000
--- a/compiler/bindings/c/iree/compiler/dialects/iree_gpu.h
+++ /dev/null
@@ -1,59 +0,0 @@
-// Copyright 2024 The IREE Authors
-//
-// Licensed under the Apache License v2.0 with LLVM Exceptions.
-// See https://llvm.org/LICENSE.txt for license information.
-// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-
-#ifndef IREE_COMPILER_DIALECTS_IREE_GPU_H
-#define IREE_COMPILER_DIALECTS_IREE_GPU_H
-
-#include "mlir-c/IR.h"
-#include "mlir-c/Support.h"
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-enum ireeGPUReorderWorkgroupsStrategyEnum {
-  ireeGPUReorderWorkgroupsStrategyEnumNone = 0,
-  ireeGPUReorderWorkgroupsStrategyEnumSwizzle = 1,
-  ireeGPUReorderWorkgroupsStrategyEnumTranspose = 2,
-};
-
-MLIR_CAPI_EXPORTED bool
-ireeAttributeIsAGPUReorderWorkgroupsStrategyAttr(MlirAttribute attr);
-
-MLIR_CAPI_EXPORTED MlirTypeID
-ireeGPUReorderWorkgroupsStrategyAttrGetTypeID(void);
-
-MLIR_CAPI_EXPORTED MlirAttribute ireeGPUReorderWorkgroupsStrategyAttrGet(
-    MlirContext mlirCtx, ireeGPUReorderWorkgroupsStrategyEnum value);
-
-MLIR_CAPI_EXPORTED ireeGPUReorderWorkgroupsStrategyEnum
-ireeGPUReorderWorkgroupsStrategyAttrGetValue(MlirAttribute attr);
-
-MLIR_CAPI_EXPORTED
-bool ireeAttributeIsAGPUPipelineOptionsAttr(MlirAttribute attr);
-
-MLIR_CAPI_EXPORTED MlirAttribute
-ireeGPUPipelineOptionsAttrGet(MlirContext mlirCtx, bool *prefetchSharedMemory,
-                              bool *noReduceSharedMemoryBankConflicts,
-                              MlirAttribute *reorderWorkgroupsStrategy);
-
-MLIR_CAPI_EXPORTED MlirAttribute
-ireeGPUPipelineOptionsAttrGetPrefetchSharedMemory(MlirAttribute attr);
-
-MLIR_CAPI_EXPORTED MlirAttribute
-ireeGPUPipelineOptionsAttrGetNoReduceSharedMemoryBankConflicts(
-    MlirAttribute attr);
-
-MLIR_CAPI_EXPORTED MlirAttribute
-ireeGPUPipelineOptionsAttrGetReorderWorkgroupsStrategy(MlirAttribute attr);
-
-MLIR_CAPI_EXPORTED MlirTypeID ireeGPUPipelineOptionsAttrGetTypeID(void);
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif // IREE_COMPILER_DIALECTS_IREE_GPU_H
diff --git a/compiler/bindings/python/CMakeLists.txt b/compiler/bindings/python/CMakeLists.txt
index 0a0b364..e27e8e5 100644
--- a/compiler/bindings/python/CMakeLists.txt
+++ b/compiler/bindings/python/CMakeLists.txt
@@ -100,15 +100,6 @@
   DIALECT_NAME vm
 )
 
-declare_mlir_dialect_python_bindings(
-  ADD_TO_PARENT IREEPythonSources.Dialects
-  ROOT_DIR "${CMAKE_CURRENT_SOURCE_DIR}/iree/compiler"
-  TD_FILE dialects/IREEGPUBinding.td
-  GEN_ENUM_BINDINGS
-  SOURCES dialects/iree_gpu.py
-  DIALECT_NAME iree_gpu
-)
-
 declare_mlir_python_sources(IREECompilerAPIPythonCore
   ADD_TO_PARENT IREEPythonSources
   ROOT_DIR "${CMAKE_CURRENT_SOURCE_DIR}/iree/compiler"
@@ -174,17 +165,6 @@
     LLVMSupport
 )
 
-declare_mlir_python_extension(IREECompilerPythonExtensions.CompilerDialects
-  MODULE_NAME _ireeCompilerDialects
-  ADD_TO_PARENT IREECompilerPythonExtensions
-  SOURCES
-    IREECompilerDialectsModule.cpp
-  EMBED_CAPI_LINK_LIBS
-    iree_compiler_API_SharedImpl
-  PRIVATE_LINK_LIBS
-    LLVMSupport
-)
-
 ################################################################################
 # Generate packages and shared library
 ################################################################################
diff --git a/compiler/bindings/python/IREECompilerDialectsModule.cpp b/compiler/bindings/python/IREECompilerDialectsModule.cpp
deleted file mode 100644
index f06cd9f..0000000
--- a/compiler/bindings/python/IREECompilerDialectsModule.cpp
+++ /dev/null
@@ -1,123 +0,0 @@
-// Copyright 2024 The IREE Authors
-//
-// Licensed under the Apache License v2.0 with LLVM Exceptions.
-// See https://llvm.org/LICENSE.txt for license information.
-// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-
-#include "iree/compiler/dialects/iree_gpu.h"
-#include "mlir-c/BuiltinAttributes.h"
-#include "mlir-c/IR.h"
-#include "mlir/Bindings/Python/PybindAdaptors.h"
-
-namespace py = pybind11;
-using namespace mlir::python::adaptors;
-
-PYBIND11_MODULE(_ireeCompilerDialects, m) {
-  m.doc() = "iree-compiler dialects python extension";
-
-  auto iree_gpu_module =
-      m.def_submodule("iree_gpu", "iree_gpu dialect bindings");
-
-  //===-------------------------------------------------------------------===//
-  // GPUReorderWorkgroupsStrategyAttr
-  //===-------------------------------------------------------------------===//
-
-  auto strategyEnum =
-      py::enum_<ireeGPUReorderWorkgroupsStrategyEnum>(
-          iree_gpu_module, "ReorderWorkgroupsStrategy", py::module_local())
-          .value("None_", ireeGPUReorderWorkgroupsStrategyEnumNone)
-          .value("Swizzle", ireeGPUReorderWorkgroupsStrategyEnumSwizzle)
-          .value("Transpose", ireeGPUReorderWorkgroupsStrategyEnumTranspose)
-          .def(
-              "__str__",
-              [](ireeGPUReorderWorkgroupsStrategyEnum &self) {
-                switch (self) {
-                case ireeGPUReorderWorkgroupsStrategyEnumNone:
-                  return "None";
-                case ireeGPUReorderWorkgroupsStrategyEnumSwizzle:
-                  return "Swizzle";
-                case ireeGPUReorderWorkgroupsStrategyEnumTranspose:
-                  return "Transpose";
-                default:
-                  llvm::report_fatal_error(
-                      "unknown ReorderWorkgroupsStrategy variant");
-                }
-              },
-              // pybind overloads are tried in the order they were registered.
-              // As a result, enums used the default __str__ method instead of
-              // the custom one. Adding py::prepend() fixes this issue.
-              py::prepend());
-
-  mlir_attribute_subclass(iree_gpu_module, "ReorderWorkgroupsStrategyAttr",
-                          ireeAttributeIsAGPUReorderWorkgroupsStrategyAttr,
-                          ireeGPUReorderWorkgroupsStrategyAttrGetTypeID)
-      .def_classmethod(
-          "get",
-          [](const py::object &, ireeGPUReorderWorkgroupsStrategyEnum value,
-             MlirContext ctx) {
-            return ireeGPUReorderWorkgroupsStrategyAttrGet(ctx, value);
-          },
-          "cls"_a, "value"_a, "ctx"_a = py::none(),
-          "Gets a gpu.reorder_workgroups_strategy from parameters.")
-      .def_property_readonly(
-          "value",
-          [](MlirAttribute self) -> ireeGPUReorderWorkgroupsStrategyEnum {
-            return ireeGPUReorderWorkgroupsStrategyAttrGetValue(self);
-          });
-
-  //===-------------------------------------------------------------------===//
-  // GPUPipelineOptionsAttr
-  //===-------------------------------------------------------------------===//
-
-  mlir_attribute_subclass(iree_gpu_module, "GPUPipelineOptionsAttr",
-                          ireeAttributeIsAGPUPipelineOptionsAttr,
-                          ireeGPUPipelineOptionsAttrGetTypeID)
-      .def_classmethod(
-          "get",
-          [](const py::object &, std::optional<bool> prefetchSharedMemory,
-             std::optional<bool> noReduceSharedMemoryBankConflicts,
-             std::optional<MlirAttribute> reorderWorkgroupsStrategy,
-             MlirContext ctx) {
-            return ireeGPUPipelineOptionsAttrGet(
-                ctx,
-                prefetchSharedMemory.has_value() ? &*prefetchSharedMemory
-                                                 : nullptr,
-                noReduceSharedMemoryBankConflicts.has_value()
-                    ? &*noReduceSharedMemoryBankConflicts
-                    : nullptr,
-                reorderWorkgroupsStrategy.has_value()
-                    ? &*reorderWorkgroupsStrategy
-                    : nullptr);
-          },
-          "cls"_a, "prefetch_shared_memory"_a = py::none(),
-          "no_reduce_shared_memory_bank_conflicts"_a = py::none(),
-          "reorder_workgroups_strategy"_a = py::none(), py::kw_only(),
-          "ctx"_a = py::none(), "Gets a gpu.pipeline_options from parameters.")
-      .def_property_readonly(
-          "prefetch_shared_memory",
-          [](MlirAttribute self) -> std::optional<bool> {
-            auto attr = ireeGPUPipelineOptionsAttrGetPrefetchSharedMemory(self);
-            if (!mlirAttributeIsNull(attr))
-              return mlirBoolAttrGetValue(attr);
-            return std::nullopt;
-          })
-      .def_property_readonly(
-          "no_reduce_shared_memory_bank_conflicts",
-          [](MlirAttribute self) -> std::optional<bool> {
-            auto attr =
-                ireeGPUPipelineOptionsAttrGetNoReduceSharedMemoryBankConflicts(
-                    self);
-            if (!mlirAttributeIsNull(attr))
-              return mlirBoolAttrGetValue(attr);
-            return std::nullopt;
-          })
-      .def_property_readonly(
-          "reorder_workgroups_strategy",
-          [](MlirAttribute self) -> std::optional<MlirAttribute> {
-            auto attr =
-                ireeGPUPipelineOptionsAttrGetReorderWorkgroupsStrategy(self);
-            if (!mlirAttributeIsNull(attr))
-              return attr;
-            return std::nullopt;
-          });
-}
diff --git a/compiler/bindings/python/iree/compiler/dialects/IREEGPUBinding.td b/compiler/bindings/python/iree/compiler/dialects/IREEGPUBinding.td
deleted file mode 100644
index 7674967..0000000
--- a/compiler/bindings/python/iree/compiler/dialects/IREEGPUBinding.td
+++ /dev/null
@@ -1,12 +0,0 @@
-// Copyright 2024 The IREE Authors
-//
-// Licensed under the Apache License v2.0 with LLVM Exceptions.
-// See https://llvm.org/LICENSE.txt for license information.
-// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-
-#ifndef PYTHON_BINDINGS_IREEGPU_OPS
-#define PYTHON_BINDINGS_IREEGPU_OPS
-
-include "iree/compiler/Codegen/Dialect/GPU/IR/IREEGPUOps.td"
-
-#endif // PYTHON_BINDINGS_IREEGPU_OPS
diff --git a/compiler/bindings/python/iree/compiler/dialects/iree_gpu.py b/compiler/bindings/python/iree/compiler/dialects/iree_gpu.py
deleted file mode 100644
index 9058ec3..0000000
--- a/compiler/bindings/python/iree/compiler/dialects/iree_gpu.py
+++ /dev/null
@@ -1,9 +0,0 @@
-# Copyright 2024 The IREE Authors
-#
-# Licensed under the Apache License v2.0 with LLVM Exceptions.
-# See https://llvm.org/LICENSE.txt for license information.
-# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-
-from ._iree_gpu_ops_gen import *
-from ._iree_gpu_enum_gen import *
-from .._mlir_libs._ireeCompilerDialects.iree_gpu import *
diff --git a/compiler/bindings/python/test/ir/dialects_test.py b/compiler/bindings/python/test/ir/dialects_test.py
index fad5cd9..63a9603 100644
--- a/compiler/bindings/python/test/ir/dialects_test.py
+++ b/compiler/bindings/python/test/ir/dialects_test.py
@@ -7,69 +7,10 @@
 from iree.compiler import ir
 
 # Make sure that our dialects import.
-from iree.compiler.dialects import flow, hal, stream, vm, util, iree_gpu
-
-
-@lambda _: _()
-def gpu_pipeline_options_attr():
-    with ir.Context() as ctx, ir.Location.unknown():
-        module = ir.Module.create()
-        with ir.InsertionPoint(module.body):
-            reorder_attr = iree_gpu.ReorderWorkgroupsStrategyAttr.get(
-                iree_gpu.ReorderWorkgroupsStrategy.Swizzle, ctx
-            )
-            gpu_attr = iree_gpu.GPUPipelineOptionsAttr.get(
-                True,
-                False,
-                reorder_attr,
-            )
-            assert type(gpu_attr) is iree_gpu.GPUPipelineOptionsAttr
-            assert gpu_attr.prefetch_shared_memory
-            assert not gpu_attr.no_reduce_shared_memory_bank_conflicts
-
-            gpu_attr = iree_gpu.GPUPipelineOptionsAttr.get(
-                False,
-                True,
-                iree_gpu.ReorderWorkgroupsStrategyAttr.get(
-                    iree_gpu.ReorderWorkgroupsStrategy.Transpose, ctx
-                ),
-            )
-            assert not gpu_attr.prefetch_shared_memory
-            assert gpu_attr.no_reduce_shared_memory_bank_conflicts
-
-            gpu_attr = iree_gpu.GPUPipelineOptionsAttr.get()
-            assert (
-                gpu_attr.prefetch_shared_memory is None
-                and gpu_attr.no_reduce_shared_memory_bank_conflicts is None
-                and gpu_attr.reorder_workgroups_strategy is None
-            )
-
-            gpu_attr = iree_gpu.GPUPipelineOptionsAttr.get(True)
-            assert gpu_attr.prefetch_shared_memory
-            assert (
-                gpu_attr.no_reduce_shared_memory_bank_conflicts is None
-                and gpu_attr.reorder_workgroups_strategy is None
-            )
-
-            gpu_attr = iree_gpu.GPUPipelineOptionsAttr.get(True, False)
-            assert gpu_attr.reorder_workgroups_strategy is None
-
-            gpu_attr = iree_gpu.GPUPipelineOptionsAttr.get(
-                no_reduce_shared_memory_bank_conflicts=False
-            )
-            assert (
-                gpu_attr.no_reduce_shared_memory_bank_conflicts is not None
-                and not gpu_attr.no_reduce_shared_memory_bank_conflicts
-            )
-            assert gpu_attr.prefetch_shared_memory is None
-            assert gpu_attr.reorder_workgroups_strategy is None
-
-            gpu_attr = iree_gpu.GPUPipelineOptionsAttr.get(
-                reorder_workgroups_strategy=reorder_attr
-            )
-            assert gpu_attr.reorder_workgroups_strategy is not None
-            assert (
-                gpu_attr.reorder_workgroups_strategy.value
-                # unfortunately not `is`
-                == iree_gpu.ReorderWorkgroupsStrategy.Swizzle
-            )
+from iree.compiler.dialects import (
+    flow,
+    hal,
+    stream,
+    vm,
+    util,
+)
diff --git a/compiler/src/iree/compiler/Codegen/Dialect/GPU/IR/BUILD.bazel b/compiler/src/iree/compiler/Codegen/Dialect/GPU/IR/BUILD.bazel
index a28d668..2e9d283 100644
--- a/compiler/src/iree/compiler/Codegen/Dialect/GPU/IR/BUILD.bazel
+++ b/compiler/src/iree/compiler/Codegen/Dialect/GPU/IR/BUILD.bazel
@@ -82,7 +82,6 @@
         ":IREEGPUEnums",
         ":IREEGPUInterfaces",
         ":IREEGPUOpsGen",
-        "//compiler/bindings/c:headers",
         "//compiler/src/iree/compiler/Codegen/Common:TileSwizzle",
         "//compiler/src/iree/compiler/Codegen/Dialect/Codegen/IR:IREECodegenDialect",
         "//compiler/src/iree/compiler/Codegen/Dialect/VectorExt/IR:IREEVectorExtDialect",
@@ -93,7 +92,6 @@
         "@llvm-project//mlir:AffineDialect",
         "@llvm-project//mlir:ArithDialect",
         "@llvm-project//mlir:ArithUtils",
-        "@llvm-project//mlir:CAPIIR",
         "@llvm-project//mlir:ControlFlowInterfaces",
         "@llvm-project//mlir:DialectUtils",
         "@llvm-project//mlir:IR",
diff --git a/compiler/src/iree/compiler/Codegen/Dialect/GPU/IR/CMakeLists.txt b/compiler/src/iree/compiler/Codegen/Dialect/GPU/IR/CMakeLists.txt
index 907f34b..4c160b4 100644
--- a/compiler/src/iree/compiler/Codegen/Dialect/GPU/IR/CMakeLists.txt
+++ b/compiler/src/iree/compiler/Codegen/Dialect/GPU/IR/CMakeLists.txt
@@ -51,7 +51,6 @@
     MLIRAffineDialect
     MLIRArithDialect
     MLIRArithUtils
-    MLIRCAPIIR
     MLIRControlFlowInterfaces
     MLIRIR
     MLIRLinalgDialect
@@ -68,7 +67,6 @@
     iree::compiler::Codegen::Dialect::VectorExt::IR::IREEVectorExtDialect
     iree::compiler::Codegen::Utils::VectorOpUtils
     iree::compiler::Dialect::LinalgExt::IR
-    iree::compiler::bindings::c::headers
   PUBLIC
 )
 
diff --git a/compiler/src/iree/compiler/Codegen/Dialect/GPU/IR/IREEGPUAttrs.cpp b/compiler/src/iree/compiler/Codegen/Dialect/GPU/IR/IREEGPUAttrs.cpp
index 843ae52..471ba8b 100644
--- a/compiler/src/iree/compiler/Codegen/Dialect/GPU/IR/IREEGPUAttrs.cpp
+++ b/compiler/src/iree/compiler/Codegen/Dialect/GPU/IR/IREEGPUAttrs.cpp
@@ -14,16 +14,12 @@
 #include "iree/compiler/Codegen/Dialect/GPU/IR/IREEGPUInterfaces.h"
 #include "iree/compiler/Codegen/Dialect/VectorExt/IR/VectorExtDialect.h"
 #include "iree/compiler/Codegen/Utils/VectorOpUtils.h"
-#include "iree/compiler/dialects/iree_gpu.h"
 #include "llvm/ADT/STLExtras.h"
 #include "llvm/ADT/STLForwardCompat.h"
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/ADT/TypeSwitch.h"
 #include "llvm/Support/Debug.h"
 #include "llvm/Support/ErrorHandling.h"
-#include "mlir-c/IR.h"
-#include "mlir/CAPI/IR.h"
-#include "mlir/CAPI/Support.h"
 #include "mlir/Dialect/AMDGPU/IR/AMDGPUDialect.h"
 #include "mlir/Dialect/Affine/IR/AffineOps.h"
 #include "mlir/Dialect/Arith/IR/Arith.h"
@@ -37,6 +33,7 @@
 #include "mlir/IR/BuiltinTypes.h"
 #include "mlir/IR/DialectImplementation.h"
 #include "mlir/IR/OpDefinition.h"
+#include "mlir/IR/TypeUtilities.h"
 
 #define DEBUG_TYPE "iree-gpu-attrs"
 #define DBGS() (llvm::dbgs() << "[" DEBUG_TYPE "]: ")
@@ -1690,112 +1687,3 @@
 }
 
 } // namespace mlir::iree_compiler::IREE::GPU
-
-bool ireeAttributeIsAGPUPipelineOptionsAttr(MlirAttribute attr) {
-  return llvm::isa<mlir::iree_compiler::IREE::GPU::GPUPipelineOptionsAttr>(
-      unwrap(attr));
-}
-
-MlirAttribute
-ireeGPUPipelineOptionsAttrGet(MlirContext mlirCtx, bool *prefetchSharedMemory,
-                              bool *noReduceSharedMemoryBankConflicts,
-                              MlirAttribute *reorderWorkgroupsStrategy) {
-  mlir::MLIRContext *ctx = unwrap(mlirCtx);
-  mlir::Builder b(ctx);
-  auto prefetchSharedMemoryAttr = mlir::BoolAttr();
-  if (prefetchSharedMemory) {
-    prefetchSharedMemoryAttr = b.getBoolAttr(*prefetchSharedMemory);
-  }
-  auto noReduceSharedMemoryBankConflictsAttr = mlir::BoolAttr();
-  if (noReduceSharedMemoryBankConflicts) {
-    noReduceSharedMemoryBankConflictsAttr =
-        b.getBoolAttr(*noReduceSharedMemoryBankConflicts);
-  }
-  auto strategyAttr =
-      mlir::iree_compiler::IREE::GPU::ReorderWorkgroupsStrategyAttr();
-  if (reorderWorkgroupsStrategy) {
-    strategyAttr = llvm::dyn_cast<
-        mlir::iree_compiler::IREE::GPU::ReorderWorkgroupsStrategyAttr>(
-        unwrap(*reorderWorkgroupsStrategy));
-  }
-  return wrap(mlir::iree_compiler::IREE::GPU::GPUPipelineOptionsAttr::get(
-      ctx, prefetchSharedMemoryAttr, noReduceSharedMemoryBankConflictsAttr,
-      strategyAttr));
-}
-
-MlirAttribute
-ireeGPUPipelineOptionsAttrGetPrefetchSharedMemory(MlirAttribute attr) {
-  auto gpuAttr =
-      llvm::cast<mlir::iree_compiler::IREE::GPU::GPUPipelineOptionsAttr>(
-          unwrap(attr));
-  return wrap(gpuAttr.getPrefetchSharedMemory());
-}
-
-MlirAttribute ireeGPUPipelineOptionsAttrGetNoReduceSharedMemoryBankConflicts(
-    MlirAttribute attr) {
-  auto gpuAttr =
-      llvm::cast<mlir::iree_compiler::IREE::GPU::GPUPipelineOptionsAttr>(
-          unwrap(attr));
-  return wrap(gpuAttr.getNoReduceSharedMemoryBankConflicts());
-}
-
-MlirAttribute
-ireeGPUPipelineOptionsAttrGetReorderWorkgroupsStrategy(MlirAttribute attr) {
-  auto gpuAttr =
-      llvm::cast<mlir::iree_compiler::IREE::GPU::GPUPipelineOptionsAttr>(
-          unwrap(attr));
-  return wrap(gpuAttr.getReorderWorkgroupsStrategy());
-}
-
-MlirTypeID ireeGPUPipelineOptionsAttrGetTypeID() {
-  return wrap(
-      mlir::iree_compiler::IREE::GPU::GPUPipelineOptionsAttr::getTypeID());
-}
-
-static_assert(
-    static_cast<uint32_t>(ireeGPUReorderWorkgroupsStrategyEnumNone) ==
-            static_cast<uint32_t>(mlir::iree_compiler::IREE::GPU::
-                                      ReorderWorkgroupsStrategy::None) &&
-        static_cast<uint32_t>(ireeGPUReorderWorkgroupsStrategyEnumSwizzle) ==
-            static_cast<uint32_t>(mlir::iree_compiler::IREE::GPU::
-                                      ReorderWorkgroupsStrategy::Swizzle) &&
-        static_cast<uint32_t>(ireeGPUReorderWorkgroupsStrategyEnumTranspose) ==
-            static_cast<uint32_t>(mlir::iree_compiler::IREE::GPU::
-                                      ReorderWorkgroupsStrategy::Transpose) &&
-        static_cast<uint32_t>(ireeGPUReorderWorkgroupsStrategyEnumTranspose) ==
-            mlir::iree_compiler::IREE::GPU::
-                getMaxEnumValForReorderWorkgroupsStrategy(),
-    "ireeGPUReorderWorkgroupsStrategyEnum and "
-    "mlir::iree_compiler::IREE::GPU::ReorderWorkgroupsStrategy definitions "
-    "have diverged");
-
-bool ireeAttributeIsAGPUReorderWorkgroupsStrategyAttr(MlirAttribute attr) {
-  return llvm::isa<
-      mlir::iree_compiler::IREE::GPU::ReorderWorkgroupsStrategyAttr>(
-      unwrap(attr));
-}
-
-MlirTypeID ireeGPUReorderWorkgroupsStrategyAttrGetTypeID() {
-  return wrap(mlir::iree_compiler::IREE::GPU::ReorderWorkgroupsStrategyAttr::
-                  getTypeID());
-}
-
-MlirAttribute ireeGPUReorderWorkgroupsStrategyAttrGet(
-    MlirContext mlirCtx, ireeGPUReorderWorkgroupsStrategyEnum value) {
-  mlir::MLIRContext *ctx = unwrap(mlirCtx);
-  return wrap(
-      mlir::iree_compiler::IREE::GPU::ReorderWorkgroupsStrategyAttr::get(
-          ctx, static_cast<
-                   mlir::iree_compiler::IREE::GPU::ReorderWorkgroupsStrategy>(
-                   value)));
-}
-
-ireeGPUReorderWorkgroupsStrategyEnum
-ireeGPUReorderWorkgroupsStrategyAttrGetValue(MlirAttribute attr) {
-  assert(ireeAttributeIsAGPUReorderWorkgroupsStrategyAttr(attr) &&
-         "attr is not a GPUReorderWorkgroupsStrategyAttr");
-  return static_cast<ireeGPUReorderWorkgroupsStrategyEnum>(
-      llvm::cast<mlir::iree_compiler::IREE::GPU::ReorderWorkgroupsStrategyAttr>(
-          unwrap(attr))
-          .getValue());
-}
diff --git a/compiler/src/iree/compiler/Codegen/Dialect/GPU/IR/IREEGPUAttrs.td b/compiler/src/iree/compiler/Codegen/Dialect/GPU/IR/IREEGPUAttrs.td
index 1f2cad7..1381289 100644
--- a/compiler/src/iree/compiler/Codegen/Dialect/GPU/IR/IREEGPUAttrs.td
+++ b/compiler/src/iree/compiler/Codegen/Dialect/GPU/IR/IREEGPUAttrs.td
@@ -481,8 +481,8 @@
 //===----------------------------------------------------------------------===//
 
 def IREEGPU_ReorderWorkgroupsStrategyAttr :
-    EnumAttr<IREEGPU_Dialect, IREEGPU_ReorderWorkgroupsStrategy, "reorder_workgroups_strategy"> {
-  let assemblyFormat = "`<` $value `>`";
+    EnumAttr<IREEGPU_Dialect, IREEGPU_ReorderWorkgroupsStrategy, ""> {
+  let assemblyFormat = "``$value";
   let cppNamespace = "::mlir::iree_compiler::IREE::GPU";
 }
 
diff --git a/compiler/src/iree/compiler/Codegen/LLVMGPU/test/ROCDL/config_user_vector_distribute.mlir b/compiler/src/iree/compiler/Codegen/LLVMGPU/test/ROCDL/config_user_vector_distribute.mlir
index c439e04..44eeb64 100644
--- a/compiler/src/iree/compiler/Codegen/LLVMGPU/test/ROCDL/config_user_vector_distribute.mlir
+++ b/compiler/src/iree/compiler/Codegen/LLVMGPU/test/ROCDL/config_user_vector_distribute.mlir
@@ -83,14 +83,14 @@
 
 // -----
 
-// Check that applying the `reorder_workgroups_strategy = <Transpose>` pipeline option attribute enables workgroup reordering.
+// Check that applying the `reorder_workgroups_strategy = Transpose` pipeline option attribute enables workgroup reordering.
 
 // OPT-OUT:       #[[$TRANSLATION:.+]] = #iree_codegen.translation_info<LLVMGPUVectorDistribute workgroup_size = [128, 2, 1] subgroup_size = 64
-// OPT-OUT-SAME:    gpu_pipeline_options = #iree_gpu.pipeline_options<reorder_workgroups_strategy = <Transpose>>
+// OPT-OUT-SAME:    gpu_pipeline_options = #iree_gpu.pipeline_options<reorder_workgroups_strategy = Transpose>
 // OPT-OUT-SAME:    mma_schedule = #iree_gpu.mma_schedule<intrinsic = #iree_gpu.mma_layout<MFMA_F32_16x16x16_F16>,
 
 // OPT-IN:       #[[$TRANSLATION:.+]] = #iree_codegen.translation_info<LLVMGPUVectorDistribute workgroup_size = [128, 2, 1] subgroup_size = 64
-// OPT-IN-SAME:    gpu_pipeline_options = #iree_gpu.pipeline_options<reorder_workgroups_strategy = <Transpose>>
+// OPT-IN-SAME:    gpu_pipeline_options = #iree_gpu.pipeline_options<reorder_workgroups_strategy = Transpose>
 // OPT-IN-SAME:    mma_schedule = #iree_gpu.mma_schedule<intrinsic = #iree_gpu.mma_layout<MFMA_F32_16x16x16_F16>,
 #config = #iree_gpu.lowering_config<{workgroup = [128, 128, 0], reduction = [0, 0, 32]}>
 #pipeline_layout = #hal.pipeline.layout<bindings = [
@@ -126,7 +126,7 @@
       func.func @main_0_dispatch_0_matmul_transpose_b_2048x10240x1280_f16xf16xf32()
         attributes {translation_info = #iree_codegen.translation_info<LLVMGPUVectorDistribute workgroup_size = [128, 2, 1] subgroup_size = 64, {
           mma_schedule = #iree_gpu.mma_schedule<intrinsic = #iree_gpu.mma_layout<MFMA_F32_16x16x16_F16>, subgroup_m_count = 2, subgroup_n_count = 2>,
-          gpu_pipeline_options = #iree_gpu.pipeline_options<reorder_workgroups_strategy = <Transpose>>  // enable the 'reorderWorkgroups' pass.
+          gpu_pipeline_options = #iree_gpu.pipeline_options<reorder_workgroups_strategy = Transpose>  // enable the 'reorderWorkgroups' pass.
         }>} {
         %cst = arith.constant 0.000000e+00 : f16
         %c0 = arith.constant 0 : index
@@ -159,10 +159,10 @@
 }
 
 // -----
-// Check that applying the `reorder_workgroups_strategy = <None>` pipeline option disables workgroup reordering.
+// Check that applying the `reorder_workgroups_strategy = None` pipeline option disables workgroup reordering.
 
 // OPT-OUT:       #[[$TRANSLATION:.+]] = #iree_codegen.translation_info<LLVMGPUVectorDistribute workgroup_size = [128, 2, 1] subgroup_size = 64
-// OPT-OUT-SAME:    gpu_pipeline_options = #iree_gpu.pipeline_options<reorder_workgroups_strategy = <None>>
+// OPT-OUT-SAME:    gpu_pipeline_options = #iree_gpu.pipeline_options<reorder_workgroups_strategy = None>
 // OPT-OUT-SAME:    mma_schedule = #iree_gpu.mma_schedule<intrinsic = #iree_gpu.mma_layout<MFMA_F32_16x16x16_F16>,
 #config = #iree_gpu.lowering_config<{workgroup = [128, 128, 0], reduction = [0, 0, 32]}>
 #pipeline_layout = #hal.pipeline.layout<bindings = [
@@ -187,7 +187,7 @@
       func.func @main_0_dispatch_0_matmul_transpose_b_2048x10240x1280_f16xf16xf32()
         attributes {translation_info = #iree_codegen.translation_info<LLVMGPUVectorDistribute workgroup_size = [128, 2, 1] subgroup_size = 64, {
           mma_schedule = #iree_gpu.mma_schedule<intrinsic = #iree_gpu.mma_layout<MFMA_F32_16x16x16_F16>, subgroup_m_count = 2, subgroup_n_count = 2>,
-          gpu_pipeline_options = #iree_gpu.pipeline_options<reorder_workgroups_strategy = <None>>  // Disable the 'reorderWorkgroups' pass.
+          gpu_pipeline_options = #iree_gpu.pipeline_options<reorder_workgroups_strategy = None>  // Disable the 'reorderWorkgroups' pass.
         }>} {
         %cst = arith.constant 0.000000e+00 : f16
         %c0 = arith.constant 0 : index