From 1c7ffe0c38ebbda5ee272e47ec2154f445d8f82e Mon Sep 17 00:00:00 2001
From: Aart Bik <ajcbik@google.com>
Date: Wed, 4 Jan 2023 11:33:51 -0800
Subject: [PATCH] [mlir][sparse] add test that combines sparse codegen and
 lowering to llvm struct

Reviewed By: bixia

Differential Revision: https://reviews.llvm.org/D141006
---
 mlir/test/Dialect/SparseTensor/codegen_to_llvm.mlir | 14 ++++++++++++++
 1 file changed, 14 insertions(+)
 create mode 100644 mlir/test/Dialect/SparseTensor/codegen_to_llvm.mlir

diff --git a/mlir/test/Dialect/SparseTensor/codegen_to_llvm.mlir b/mlir/test/Dialect/SparseTensor/codegen_to_llvm.mlir
new file mode 100644
index 0000000..50e3a44
--- /dev/null
+++ b/mlir/test/Dialect/SparseTensor/codegen_to_llvm.mlir
@@ -0,0 +1,14 @@
+// RUN: mlir-opt %s --sparse-tensor-codegen --sparse-storage-specifier-to-llvm | FileCheck %s
+
+#SparseVector = #sparse_tensor.encoding<{ dimLevelType = ["compressed"] }>
+
+// CHECK-LABEL: func @sparse_nop(
+//  CHECK-SAME: %[[A0:.*0]]: memref<?xindex>,
+//  CHECK-SAME: %[[A1:.*1]]: memref<?xindex>,
+//  CHECK-SAME: %[[A2:.*2]]: memref<?xf64>,
+//  CHECK-SAME: %[[A3:.*3]]: !llvm.struct<(array<1 x i64>, array<3 x i64>)>)
+//       CHECK: return %[[A0]], %[[A1]], %[[A2]], %[[A3]] :
+//  CHECK-SAME: memref<?xindex>, memref<?xindex>, memref<?xf64>, !llvm.struct<(array<1 x i64>, array<3 x i64>)>
+func.func @sparse_nop(%arg0: tensor<?xf64, #SparseVector>) -> tensor<?xf64, #SparseVector> {
+  return %arg0 : tensor<?xf64, #SparseVector>
+}
-- 
2.7.4