tensors-to-buffers.mlir
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// RUN: mlir-opt -convert-linalg-on-tensors-to-buffers -buffer-placement -split-input-file %s | FileCheck %s
#map0 = affine_map<(d0) -> (d0)>
// CHECK-LABEL: func @multiple_results_generic_op
func @multiple_results_generic_op(%arg0: tensor<4xf32>) -> (tensor<4xf32>, tensor<4xf32>) {
%0, %1 = linalg.generic {indexing_maps = [#map0, #map0, #map0], iterator_types = ["parallel"]}
ins(%arg0 : tensor<4xf32>) {
^bb0(%gen_arg1: f32):
%tmp1 = exp %gen_arg1 : f32
linalg.yield %tmp1, %tmp1 : f32, f32
} -> tensor<4xf32>, tensor<4xf32>
return %0, %1 : tensor<4xf32>, tensor<4xf32>
}
// CHECK: (%[[NEW_ARG0:.*]]: [[TYPE:.*]], %[[ARG1_RESULT:.*]]: [[TYPE]], %[[ARG2_RESULT:.*]]: [[TYPE]])
// CHECK: %[[FIRST_ALLOC:.*]] = alloc() : [[TYPE]]
// CHECK: %[[SECOND_ALLOC:.*]] = alloc() : [[TYPE]]
// CHECK: linalg.generic
// CHECK-SAME: ins(%[[NEW_ARG0]] : [[TYPE]]
// CHECK-SAME: outs(%[[FIRST_ALLOC]], %[[SECOND_ALLOC]] : [[TYPE]], [[TYPE]]
// CHECK-NEXT: ^{{[a-z0-9_]*}}
// CHECK-SAME: %{{.*}}: f32, %{{.*}}: f32, %{{.*}}: f32
// CHECK-NEXT: %{{.*}} = exp
// CHECK-NEXT: linalg.yield
// CHECK: linalg.copy(%[[FIRST_ALLOC]], %[[ARG1_RESULT]])
// CHECK: dealloc %[[FIRST_ALLOC]]
// CHECK: linalg.copy(%[[SECOND_ALLOC]], %[[ARG2_RESULT]])
// CHECK: dealloc %[[SECOND_ALLOC]]
// CHECK: return
// -----
#map0 = affine_map<(d0) -> (d0)>
// CHECK-LABEL: func @chained_operations
func @chained_operations(%arg0: tensor<4xf32>) -> tensor<4xf32> {
%0 = linalg.generic {indexing_maps = [#map0, #map0], iterator_types = ["parallel"]}
ins(%arg0 : tensor<4xf32>) {
^bb0(%gen_arg1: f32):
%tmp1 = exp %gen_arg1 : f32
linalg.yield %tmp1 : f32
} -> tensor<4xf32>
%1 = linalg.generic {args_in = 1 : i64, args_out = 1 : i64, indexing_maps = [#map0, #map0], iterator_types = ["parallel"]}
ins(%0 : tensor<4xf32>) {
^bb0(%gen_arg2: f32):
%tmp2 = exp %gen_arg2 : f32
linalg.yield %tmp2 : f32
} -> tensor<4xf32>
return %1 : tensor<4xf32>
}
// CHECK: (%[[NEW_ARG0:.*]]: [[TYPE:.*]], %[[ARG1_RESULT:.*]]: [[TYPE]])
// CHECK: %[[FIRST_ALLOC:.*]] = alloc() : [[TYPE]]
// CHECK: linalg.generic
// CHECK-SAME: ins(%[[NEW_ARG0]] : [[TYPE]]
// CHECK-SAME: outs(%[[FIRST_ALLOC]] : [[TYPE]]
// CHECK: ^{{[a-z0-9_]*}}
// CHECK-SAME: %{{.*}}: f32, %{{.*}}: f32
// CHECK: %[[SECOND_ALLOC:.*]] = alloc() : [[TYPE]]
// CHECK: linalg.generic
// CHECK-SAME: ins(%[[FIRST_ALLOC]] : [[TYPE]]
// CHECK-SAME: outs(%[[SECOND_ALLOC]] : [[TYPE]]
// CHECK: ^{{[a-z0-9_]*}}
// CHECK-SAME: %{{.*}}: f32, %{{.*}}: f32
// CHECK: dealloc %[[FIRST_ALLOC]]
// CHECK: linalg.copy(%[[SECOND_ALLOC]], %[[ARG1_RESULT]])
// CHECK: dealloc %[[SECOND_ALLOC]]
// CHECK: return
// -----
// CHECK-LABEL: func @no_linalg_op
func @no_linalg_op(%arg0: f32) -> (f32, f32) {
%0 = mulf %arg0, %arg0 : f32
return %0, %0 : f32, f32
}
// CHECK: (%[[NEW_ARG0:.*]]: [[TYPE:.*]]) -> ([[TYPE]], [[TYPE]])
// CHECK: %[[RESULT:.*]] = mulf %[[NEW_ARG0]], %[[NEW_ARG0]] : [[TYPE]]
// CHECK: return %[[RESULT]], %[[RESULT]] : [[TYPE]], [[TYPE]]