1 files changed, 86 insertions, 0 deletions
diff --git a/mlir/test/lib/Analysis/DataFlow/TestStridedMetadataRangeAnalysis.cpp b/mlir/test/lib/Analysis/DataFlow/TestStridedMetadataRangeAnalysis.cpp
new file mode 100644
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--- /dev/null
+++ b/mlir/test/lib/Analysis/DataFlow/TestStridedMetadataRangeAnalysis.cpp
@@ -0,0 +1,86 @@
+//===- TestStridedMetadataRangeAnalysis.cpp - Test strided md analysis ----===//
+//
+// Part of the LLVM Project, 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 "mlir/Analysis/DataFlow/ConstantPropagationAnalysis.h"
+#include "mlir/Analysis/DataFlow/DeadCodeAnalysis.h"
+#include "mlir/Analysis/DataFlow/IntegerRangeAnalysis.h"
+#include "mlir/Analysis/DataFlow/StridedMetadataRangeAnalysis.h"
+#include "mlir/Analysis/DataFlowFramework.h"
+#include "mlir/IR/BuiltinAttributes.h"
+#include "mlir/IR/Operation.h"
+#include "mlir/Pass/Pass.h"
+#include "mlir/Pass/PassRegistry.h"
+#include "llvm/ADT/STLExtras.h"
+#include "llvm/Support/raw_ostream.h"
+
+using namespace mlir;
+using namespace mlir::dataflow;
+
+static void printAnalysisResults(DataFlowSolver &solver, Operation *op,
+                                 raw_ostream &os) {
+  // Collect the strided metadata of the op results.
+  SmallVector<std::pair<unsigned, const StridedMetadataRangeLattice *>> results;
+  for (OpResult result : op->getResults()) {
+    const auto *state = solver.lookupState<StridedMetadataRangeLattice>(result);
+    // Skip the result if it's uninitialized.
+    if (!state || state->getValue().isUninitialized())
+      continue;
+
+    // Skip the result if the range is empty.
+    const mlir::StridedMetadataRange &md = state->getValue();
+    if (md.getOffsets().empty() && md.getSizes().empty() &&
+        md.getStrides().empty())
+      continue;
+    results.push_back({result.getResultNumber(), state});
+  }
+
+  // Early exit if there's no metadata to print.
+  if (results.empty())
+    return;
+
+  // Print the metadata.
+  os << "Op: " << OpWithFlags(op, OpPrintingFlags().skipRegions()) << "\n";
+  for (auto [idx, state] : results)
+    os << "  result[" << idx << "]: " << state->getValue() << "\n";
+  os << "\n";
+}
+
+namespace {
+struct TestStridedMetadataRangeAnalysisPass
+    : public PassWrapper<TestStridedMetadataRangeAnalysisPass,
+                         OperationPass<>> {
+  MLIR_DEFINE_EXPLICIT_INTERNAL_INLINE_TYPE_ID(
+      TestStridedMetadataRangeAnalysisPass)
+
+  StringRef getArgument() const override {
+    return "test-strided-metadata-range-analysis";
+  }
+  void runOnOperation() override {
+    Operation *op = getOperation();
+
+    DataFlowSolver solver;
+    solver.load<DeadCodeAnalysis>();
+    solver.load<SparseConstantPropagation>();
+    solver.load<IntegerRangeAnalysis>();
+    solver.load<StridedMetadataRangeAnalysis>();
+    if (failed(solver.initializeAndRun(op)))
+      return signalPassFailure();
+
+    op->walk(
+        [&](Operation *op) { printAnalysisResults(solver, op, llvm::errs()); });
+  }
+};
+} // end anonymous namespace
+
+namespace mlir {
+namespace test {
+void registerTestStridedMetadataRangeAnalysisPass() {
+  PassRegistration<TestStridedMetadataRangeAnalysisPass>();
+}
+} // end namespace test
+} // end namespace mlir