6634d44e5e
This is discussed in RFC: https://discourse.llvm.org/t/rfc-making-the-constructor-of-the-transformstate-class-protected/80377
102 lines
3.6 KiB
C++
102 lines
3.6 KiB
C++
//===- TestPassStateExtensionCommunication.cpp ----------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// This file defines a test pass that showcases how communication can be
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// conducted between a regular mlir pass and transform ops through the
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// transform state extension stateInitializer and stateExporter mechanism.
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//
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//===----------------------------------------------------------------------===//
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#include "TestTransformStateExtension.h"
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#include "mlir/Dialect/Transform/Interfaces/TransformInterfaces.h"
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#include "mlir/IR/BuiltinOps.h"
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#include "mlir/Pass/Pass.h"
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using namespace llvm;
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using namespace mlir;
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using namespace mlir::test;
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namespace {
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template <typename Derived>
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class OpPassWrapper : public PassWrapper<Derived, OperationPass<>> {};
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struct TestPassStateExtensionCommunication
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: public PassWrapper<TestPassStateExtensionCommunication,
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OperationPass<ModuleOp>> {
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MLIR_DEFINE_EXPLICIT_INTERNAL_INLINE_TYPE_ID(
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TestPassStateExtensionCommunication)
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StringRef getArgument() const final {
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return "test-pass-state-extension-communication";
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}
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StringRef getDescription() const final {
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return "test state communciation between a mlir pass and transform ops";
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}
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static void printVector(const SmallVector<std::string> &opCollection,
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const std::string &extraMessage = {}) {
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outs() << "Printing opCollection" << extraMessage
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<< ", size: " << opCollection.size() << "\n";
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for (const auto &subVector : opCollection) {
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outs() << subVector << " ";
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}
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outs() << "\n";
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}
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void runOnOperation() override {
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ModuleOp module = getOperation();
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// Create an opCollection vector.
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SmallVector<std::string> opCollection = {"PASS-TRANSFORMOP-PASS "};
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printVector(opCollection, " before processing transform ops");
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auto stateInitializer =
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[&opCollection](mlir::transform::TransformState &state) -> void {
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TransformStateInitializerExtension *ext =
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state.getExtension<TransformStateInitializerExtension>();
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if (!ext)
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state.addExtension<TransformStateInitializerExtension>(0, opCollection);
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};
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auto stateExporter =
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[&opCollection](
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mlir::transform::TransformState &state) -> LogicalResult {
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TransformStateInitializerExtension *ext =
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state.getExtension<TransformStateInitializerExtension>();
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if (!ext) {
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errs() << "Target transform state extension not found!\n";
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return failure();
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}
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opCollection.clear();
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opCollection = ext->getRegisteredOps();
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return success();
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};
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// Process transform ops with stateInitializer and stateExporter.
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for (auto op : module.getBody()->getOps<transform::TransformOpInterface>())
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if (failed(transform::applyTransforms(
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module, op, {}, mlir::transform::TransformOptions(), false,
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stateInitializer, stateExporter)))
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return signalPassFailure();
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// Print the opCollection vector after processing transform ops.
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printVector(opCollection, " after processing transform ops");
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}
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};
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} // namespace
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namespace mlir {
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namespace test {
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/// Registers the test pass here.
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void registerTestPassStateExtensionCommunication() {
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PassRegistration<TestPassStateExtensionCommunication> reg;
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}
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} // namespace test
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} // namespace mlir
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