xref: /llvm-project/mlir/test/Integration/Dialect/Vector/CPU/scatter.mlir (revision eb206e9ea84eff0a0596fed2de8316d924f946d1)
1// RUN: mlir-opt %s -test-lower-to-llvm  | \
2// RUN: mlir-runner -e entry -entry-point-result=void \
3// RUN:   -shared-libs=%mlir_c_runner_utils | \
4// RUN: FileCheck %s
5
6func.func @scatter8(%base: memref<?xf32>,
7               %indices: vector<8xi32>,
8               %mask: vector<8xi1>, %value: vector<8xf32>) {
9  %c0 = arith.constant 0: index
10  vector.scatter %base[%c0][%indices], %mask, %value
11    : memref<?xf32>, vector<8xi32>, vector<8xi1>, vector<8xf32>
12  return
13}
14
15func.func @printmem8(%A: memref<?xf32>) {
16  %c0 = arith.constant 0: index
17  %c1 = arith.constant 1: index
18  %c8 = arith.constant 8: index
19  %z = arith.constant 0.0: f32
20  %m = vector.broadcast %z : f32 to vector<8xf32>
21  %mem = scf.for %i = %c0 to %c8 step %c1
22    iter_args(%m_iter = %m) -> (vector<8xf32>) {
23    %c = memref.load %A[%i] : memref<?xf32>
24    %i32 = arith.index_cast %i : index to i32
25    %m_new = vector.insertelement %c, %m_iter[%i32 : i32] : vector<8xf32>
26    scf.yield %m_new : vector<8xf32>
27  }
28  vector.print %mem : vector<8xf32>
29  return
30}
31
32func.func @entry() {
33  // Set up memory.
34  %c0 = arith.constant 0: index
35  %c1 = arith.constant 1: index
36  %c8 = arith.constant 8: index
37  %A = memref.alloc(%c8) : memref<?xf32>
38  scf.for %i = %c0 to %c8 step %c1 {
39    %i32 = arith.index_cast %i : index to i32
40    %fi = arith.sitofp %i32 : i32 to f32
41    memref.store %fi, %A[%i] : memref<?xf32>
42  }
43
44  // Set up idx vector.
45  %i0 = arith.constant 0: i32
46  %i1 = arith.constant 1: i32
47  %i2 = arith.constant 2: i32
48  %i3 = arith.constant 3: i32
49  %i4 = arith.constant 4: i32
50  %i5 = arith.constant 5: i32
51  %i6 = arith.constant 6: i32
52  %i7 = arith.constant 7: i32
53  %0 = vector.broadcast %i7 : i32 to vector<8xi32>
54  %1 = vector.insert %i0, %0[1] : i32 into vector<8xi32>
55  %2 = vector.insert %i1, %1[2] : i32 into vector<8xi32>
56  %3 = vector.insert %i6, %2[3] : i32 into vector<8xi32>
57  %4 = vector.insert %i2, %3[4] : i32 into vector<8xi32>
58  %5 = vector.insert %i4, %4[5] : i32 into vector<8xi32>
59  %6 = vector.insert %i5, %5[6] : i32 into vector<8xi32>
60  %idx = vector.insert %i3, %6[7] : i32 into vector<8xi32>
61
62  // Set up value vector.
63  %f0 = arith.constant 0.0: f32
64  %f1 = arith.constant 1.0: f32
65  %f2 = arith.constant 2.0: f32
66  %f3 = arith.constant 3.0: f32
67  %f4 = arith.constant 4.0: f32
68  %f5 = arith.constant 5.0: f32
69  %f6 = arith.constant 6.0: f32
70  %f7 = arith.constant 7.0: f32
71  %7 = vector.broadcast %f0 : f32 to vector<8xf32>
72  %8 = vector.insert %f1, %7[1] : f32 into vector<8xf32>
73  %9 = vector.insert %f2, %8[2] : f32 into vector<8xf32>
74  %10 = vector.insert %f3, %9[3] : f32 into vector<8xf32>
75  %11 = vector.insert %f4, %10[4] : f32 into vector<8xf32>
76  %12 = vector.insert %f5, %11[5] : f32 into vector<8xf32>
77  %13 = vector.insert %f6, %12[6] : f32 into vector<8xf32>
78  %val = vector.insert %f7, %13[7] : f32 into vector<8xf32>
79
80  // Set up masks.
81  %t = arith.constant 1: i1
82  %none = vector.constant_mask [0] : vector<8xi1>
83  %some = vector.constant_mask [4] : vector<8xi1>
84  %more = vector.insert %t, %some[7] : i1 into vector<8xi1>
85  %all = vector.constant_mask [8] : vector<8xi1>
86
87  //
88  // Scatter tests.
89  //
90
91  vector.print %idx : vector<8xi32>
92  // CHECK: ( 7, 0, 1, 6, 2, 4, 5, 3 )
93
94  call @printmem8(%A) : (memref<?xf32>) -> ()
95  // CHECK: ( 0, 1, 2, 3, 4, 5, 6, 7 )
96
97  call @scatter8(%A, %idx, %none, %val)
98    : (memref<?xf32>, vector<8xi32>, vector<8xi1>, vector<8xf32>) -> ()
99  call @printmem8(%A) : (memref<?xf32>) -> ()
100  // CHECK: ( 0, 1, 2, 3, 4, 5, 6, 7 )
101
102  call @scatter8(%A, %idx, %some, %val)
103    : (memref<?xf32>, vector<8xi32>, vector<8xi1>, vector<8xf32>) -> ()
104  call @printmem8(%A) : (memref<?xf32>) -> ()
105  // CHECK: ( 1, 2, 2, 3, 4, 5, 3, 0 )
106
107  call @scatter8(%A, %idx, %more, %val)
108    : (memref<?xf32>, vector<8xi32>, vector<8xi1>, vector<8xf32>) -> ()
109  call @printmem8(%A) : (memref<?xf32>) -> ()
110  // CHECK: ( 1, 2, 2, 7, 4, 5, 3, 0 )
111
112  call @scatter8(%A, %idx, %all, %val)
113    : (memref<?xf32>, vector<8xi32>, vector<8xi1>, vector<8xf32>) -> ()
114  call @printmem8(%A) : (memref<?xf32>) -> ()
115  // CHECK: ( 1, 2, 4, 7, 5, 6, 3, 0 )
116
117  memref.dealloc %A : memref<?xf32>
118  return
119}
120