96 lines
3.9 KiB
MLIR
96 lines
3.9 KiB
MLIR
// RUN: mlir-opt %s -finalizing-bufferize -split-input-file -verify-diagnostics | FileCheck %s
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// CHECK-LABEL: func @eliminate_materializations(
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// CHECK-SAME: %[[ARG:.*]]: memref<f32>) -> memref<f32> {
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// CHECK: return %[[ARG]] : memref<f32>
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func.func @eliminate_materializations(%arg0: memref<f32>) -> memref<f32> {
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%0 = bufferization.to_tensor %arg0 : memref<f32>
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%1 = bufferization.to_memref %0 : memref<f32>
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return %1 : memref<f32>
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}
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// -----
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func.func @unable_to_convert_lone_buffer_cast() -> memref<f32> {
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// expected-error @+1 {{failed to legalize operation 'test.source'}}
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%0 = "test.source"() : () -> tensor<f32>
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%1 = bufferization.to_memref %0 : memref<f32>
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return %1 : memref<f32>
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}
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// -----
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func.func @unable_to_convert_lone_tensor_load(%arg0: memref<f32>) {
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%0 = bufferization.to_tensor %arg0 : memref<f32>
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// expected-error @+1 {{failed to legalize operation 'test.sink'}}
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"test.sink"(%0) : (tensor<f32>) -> ()
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return
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}
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// -----
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// CHECK-LABEL: func @dyn_layout_to_no_layout_cast(
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// CHECK-SAME: %[[arg:.*]]: memref<?xf32, strided<[1], offset: ?>>)
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// CHECK: %[[c0:.*]] = arith.constant 0 : index
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// CHECK: %[[dim:.*]] = memref.dim %[[arg]], %[[c0]]
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// CHECK: %[[alloc:.*]] = memref.alloc(%[[dim]]) : memref<?xf32>
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// CHECK: memref.copy %[[arg]], %[[alloc]]
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// CHECK: return %[[alloc]]
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func.func @dyn_layout_to_no_layout_cast(%m: memref<?xf32, strided<[1], offset: ?>>) -> memref<?xf32> {
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%0 = bufferization.to_tensor %m : memref<?xf32, strided<[1], offset: ?>>
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%1 = bufferization.to_memref %0 : memref<?xf32>
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return %1 : memref<?xf32>
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}
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// -----
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// CHECK-LABEL: func @fancy_layout_to_no_layout_cast(
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// CHECK-SAME: %[[arg:.*]]: memref<?xf32, strided<[100], offset: ?>>)
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// CHECK: %[[c0:.*]] = arith.constant 0 : index
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// CHECK: %[[dim:.*]] = memref.dim %[[arg]], %[[c0]]
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// CHECK: %[[alloc:.*]] = memref.alloc(%[[dim]]) : memref<?xf32>
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// CHECK: memref.copy %[[arg]], %[[alloc]]
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// CHECK: return %[[alloc]]
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func.func @fancy_layout_to_no_layout_cast(%m: memref<?xf32, strided<[100], offset: ?>>) -> memref<?xf32> {
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%0 = bufferization.to_tensor %m : memref<?xf32, strided<[100], offset: ?>>
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%1 = bufferization.to_memref %0 : memref<?xf32>
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return %1 : memref<?xf32>
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}
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// -----
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// CHECK-LABEL: func @static_layout_to_no_layout_cast(
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// CHECK-SAME: %[[arg:.*]]: memref<?xf32, strided<[1], offset: 25>>)
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// CHECK: %[[c0:.*]] = arith.constant 0 : index
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// CHECK: %[[dim:.*]] = memref.dim %[[arg]], %[[c0]]
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// CHECK: %[[alloc:.*]] = memref.alloc(%[[dim]]) : memref<?xf32>
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// CHECK: memref.copy %[[arg]], %[[alloc]]
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// CHECK: return %[[alloc]]
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func.func @static_layout_to_no_layout_cast(%m: memref<?xf32, strided<[1], offset: 25>>) -> memref<?xf32> {
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%0 = bufferization.to_tensor %m : memref<?xf32, strided<[1], offset: 25>>
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%1 = bufferization.to_memref %0 : memref<?xf32>
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return %1 : memref<?xf32>
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}
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// -----
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// TODO: to_memref with layout maps not supported yet. This should fold to a
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// memref.cast.
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func.func @no_layout_to_dyn_layout_cast(%m: memref<?xf32>) -> memref<?xf32, strided<[1], offset: ?>> {
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%0 = bufferization.to_tensor %m : memref<?xf32>
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// expected-error @+1 {{failed to materialize conversion for result #0 of operation 'bufferization.to_memref' that remained live after conversion}}
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%1 = bufferization.to_memref %0 : memref<?xf32, strided<[1], offset: ?>>
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// expected-note @+1 {{see existing live user here}}
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return %1 : memref<?xf32, strided<[1], offset: ?>>
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}
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// -----
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func.func @illegal_unranked_to_rank(%m: memref<*xf32>) -> memref<?xf32> {
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// expected-note @+1 {{prior use here}}
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%0 = bufferization.to_tensor %m : memref<*xf32>
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// expected-error @+1 {{expects different type than prior uses: 'tensor<?xf32>' vs 'tensor<*xf32>'}}
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%1 = bufferization.to_memref %0 : memref<?xf32>
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return %1 : memref<?xf32>
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}
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