87 lines · cpp
1//===- TestStridedMetadataRangeAnalysis.cpp - Test strided md analysis ----===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8 9#include "mlir/Analysis/DataFlow/ConstantPropagationAnalysis.h"10#include "mlir/Analysis/DataFlow/DeadCodeAnalysis.h"11#include "mlir/Analysis/DataFlow/IntegerRangeAnalysis.h"12#include "mlir/Analysis/DataFlow/StridedMetadataRangeAnalysis.h"13#include "mlir/Analysis/DataFlowFramework.h"14#include "mlir/IR/BuiltinAttributes.h"15#include "mlir/IR/Operation.h"16#include "mlir/Pass/Pass.h"17#include "mlir/Pass/PassRegistry.h"18#include "llvm/ADT/STLExtras.h"19#include "llvm/Support/raw_ostream.h"20 21using namespace mlir;22using namespace mlir::dataflow;23 24static void printAnalysisResults(DataFlowSolver &solver, Operation *op,25 raw_ostream &os) {26 // Collect the strided metadata of the op results.27 SmallVector<std::pair<unsigned, const StridedMetadataRangeLattice *>> results;28 for (OpResult result : op->getResults()) {29 const auto *state = solver.lookupState<StridedMetadataRangeLattice>(result);30 // Skip the result if it's uninitialized.31 if (!state || state->getValue().isUninitialized())32 continue;33 34 // Skip the result if the range is empty.35 const mlir::StridedMetadataRange &md = state->getValue();36 if (md.getOffsets().empty() && md.getSizes().empty() &&37 md.getStrides().empty())38 continue;39 results.push_back({result.getResultNumber(), state});40 }41 42 // Early exit if there's no metadata to print.43 if (results.empty())44 return;45 46 // Print the metadata.47 os << "Op: " << OpWithFlags(op, OpPrintingFlags().skipRegions()) << "\n";48 for (auto [idx, state] : results)49 os << " result[" << idx << "]: " << state->getValue() << "\n";50 os << "\n";51}52 53namespace {54struct TestStridedMetadataRangeAnalysisPass55 : public PassWrapper<TestStridedMetadataRangeAnalysisPass,56 OperationPass<>> {57 MLIR_DEFINE_EXPLICIT_INTERNAL_INLINE_TYPE_ID(58 TestStridedMetadataRangeAnalysisPass)59 60 StringRef getArgument() const override {61 return "test-strided-metadata-range-analysis";62 }63 void runOnOperation() override {64 Operation *op = getOperation();65 66 DataFlowSolver solver;67 solver.load<DeadCodeAnalysis>();68 solver.load<SparseConstantPropagation>();69 solver.load<IntegerRangeAnalysis>();70 solver.load<StridedMetadataRangeAnalysis>();71 if (failed(solver.initializeAndRun(op)))72 return signalPassFailure();73 74 op->walk(75 [&](Operation *op) { printAnalysisResults(solver, op, llvm::errs()); });76 }77};78} // end anonymous namespace79 80namespace mlir {81namespace test {82void registerTestStridedMetadataRangeAnalysisPass() {83 PassRegistration<TestStridedMetadataRangeAnalysisPass>();84}85} // end namespace test86} // end namespace mlir87