mlir/test/Dialect/MemRef/value-bounds-op-interface-impl.mlir

// RUN: mlir-opt %s -pass-pipeline='builtin.module(func.func(test-affine-reify-value-bounds))' -verify-diagnostics \
// RUN:     -split-input-file | FileCheck %s

// CHECK-LABEL: func @memref_alloc(
//  CHECK-SAME:     %[[sz:.*]]: index
//       CHECK:   %[[c6:.*]] = arith.constant 6 : index
//       CHECK:   return %[[c6]], %[[sz]]
func.func @memref_alloc(%sz: index) -> (index, index) {
  %0 = memref.alloc(%sz) : memref<6x?xf32>
  %1 = "test.reify_bound"(%0) {dim = 0} : (memref<6x?xf32>) -> (index)
  %2 = "test.reify_bound"(%0) {dim = 1} : (memref<6x?xf32>) -> (index)
  return %1, %2 : index, index
}

// -----

// CHECK-LABEL: func @memref_alloca(
//  CHECK-SAME:     %[[sz:.*]]: index
//       CHECK:   %[[c6:.*]] = arith.constant 6 : index
//       CHECK:   return %[[c6]], %[[sz]]
func.func @memref_alloca(%sz: index) -> (index, index) {
  %0 = memref.alloca(%sz) : memref<6x?xf32>
  %1 = "test.reify_bound"(%0) {dim = 0} : (memref<6x?xf32>) -> (index)
  %2 = "test.reify_bound"(%0) {dim = 1} : (memref<6x?xf32>) -> (index)
  return %1, %2 : index, index
}

// -----

// CHECK-LABEL: func @memref_cast(
//       CHECK:   %[[c10:.*]] = arith.constant 10 : index
//       CHECK:   return %[[c10]]
func.func @memref_cast(%m: memref<10xf32>) -> index {
  %0 = memref.cast %m : memref<10xf32> to memref<?xf32>
  %1 = "test.reify_bound"(%0) {dim = 0} : (memref<?xf32>) -> (index)
  return %1 : index
}

// -----

// CHECK-LABEL: func @memref_dim(
//  CHECK-SAME:     %[[m:.*]]: memref<?xf32>
//       CHECK:   %[[dim:.*]] = memref.dim %[[m]]
//       CHECK:   %[[dim:.*]] = memref.dim %[[m]]
//       CHECK:   return %[[dim]]
func.func @memref_dim(%m: memref<?xf32>) -> index {
  %c0 = arith.constant 0 : index
  %0 = memref.dim %m, %c0 : memref<?xf32>
  %1 = "test.reify_bound"(%0) : (index) -> (index)
  return %1 : index
}

// -----

// CHECK-LABEL: func @memref_dim_all_positive(
func.func @memref_dim_all_positive(%m: memref<?xf32>, %x: index) {
  %c0 = arith.constant 0 : index
  %0 = memref.dim %m, %x : memref<?xf32>
  // expected-remark @below{{true}}
  "test.compare"(%0, %c0) {cmp = "GE"} : (index, index) -> ()
  return
}

// -----

// CHECK-LABEL: func @memref_expand(
//  CHECK-SAME:     %[[m:[a-zA-Z0-9]+]]: memref<?xf32>
//  CHECK-SAME:     %[[sz:[a-zA-Z0-9]+]]: index
//       CHECK:   %[[c4:.*]] = arith.constant 4 : index
//       CHECK:   return %[[c4]], %[[sz]]
func.func @memref_expand(%m: memref<?xf32>, %sz: index) -> (index, index) {
  %0 = memref.expand_shape %m [[0, 1]] output_shape [4, %sz]: memref<?xf32> into memref<4x?xf32>
  %1 = "test.reify_bound"(%0) {dim = 0} : (memref<4x?xf32>) -> (index)
  %2 = "test.reify_bound"(%0) {dim = 1} : (memref<4x?xf32>) -> (index)
  return %1, %2 : index, index
}

// -----

//       CHECK: #[[$MAP:.+]] = affine_map<()[s0] -> (s0 * 2)>
// CHECK-LABEL: func @memref_collapse(
//  CHECK-SAME:     %[[sz0:.*]]: index
//   CHECK-DAG:   %[[c2:.*]] = arith.constant 2 : index
//   CHECK-DAG:   %[[c12:.*]] = arith.constant 12 : index
//       CHECK:   %[[dim:.*]] = memref.dim %{{.*}}, %[[c2]] : memref<3x4x?x2xf32>
//       CHECK:   %[[mul:.*]] = affine.apply #[[$MAP]]()[%[[dim]]]
//       CHECK:   return %[[c12]], %[[mul]]
func.func @memref_collapse(%sz0: index) -> (index, index) {
  %0 = memref.alloc(%sz0) : memref<3x4x?x2xf32>
  %1 = memref.collapse_shape %0 [[0, 1], [2, 3]] : memref<3x4x?x2xf32> into memref<12x?xf32>
  %2 = "test.reify_bound"(%1) {dim = 0} : (memref<12x?xf32>) -> (index)
  %3 = "test.reify_bound"(%1) {dim = 1} : (memref<12x?xf32>) -> (index)
  return %2, %3 : index, index
}

// -----

// CHECK-LABEL: func @memref_get_global(
//       CHECK:   %[[c4:.*]] = arith.constant 4 : index
//       CHECK:   return %[[c4]]
memref.global "private" @gv0 : memref<4xf32> = dense<[0.0, 1.0, 2.0, 3.0]>
func.func @memref_get_global() -> index {
  %0 = memref.get_global @gv0 : memref<4xf32>
  %1 = "test.reify_bound"(%0) {dim = 0} : (memref<4xf32>) -> (index)
  return %1 : index
}

// -----

// CHECK-LABEL: func @memref_rank(
//  CHECK-SAME:     %[[t:.*]]: memref<5xf32>
//       CHECK:   %[[c1:.*]] = arith.constant 1 : index
//       CHECK:   return %[[c1]]
func.func @memref_rank(%m: memref<5xf32>) -> index {
  %0 = memref.rank %m : memref<5xf32>
  %1 = "test.reify_bound"(%0) : (index) -> (index)
  return %1 : index
}

// -----

// CHECK-LABEL: func @memref_subview(
//  CHECK-SAME:     %[[m:.*]]: memref<?xf32>, %[[sz:.*]]: index
//       CHECK:   return %[[sz]]
func.func @memref_subview(%m: memref<?xf32>, %sz: index) -> index {
  %0 = memref.subview %m[2][%sz][1] : memref<?xf32> to memref<?xf32, strided<[1], offset: 2>>
  %1 = "test.reify_bound"(%0) {dim = 0} : (memref<?xf32, strided<[1], offset: 2>>) -> (index)
  return %1 : index
}