derek.holloway
7502bf64a4
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99 lines
3.9 KiB
MLIR
99 lines
3.9 KiB
MLIR
// RUN: mlir-opt -verify-diagnostics -convert-bufferization-to-memref -split-input-file %s | FileCheck %s
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// CHECK-LABEL: @conversion_static
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func.func @conversion_static(%arg0 : memref<2xf32>) -> memref<2xf32> {
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%0 = bufferization.clone %arg0 : memref<2xf32> to memref<2xf32>
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memref.dealloc %arg0 : memref<2xf32>
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return %0 : memref<2xf32>
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}
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// CHECK: %[[ALLOC:.*]] = memref.alloc
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// CHECK-NEXT: memref.copy %[[ARG:.*]], %[[ALLOC]]
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// CHECK-NEXT: memref.dealloc %[[ARG]]
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// CHECK-NEXT: return %[[ALLOC]]
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// -----
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// CHECK-LABEL: @conversion_dynamic
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func.func @conversion_dynamic(%arg0 : memref<?xf32>) -> memref<?xf32> {
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%1 = bufferization.clone %arg0 : memref<?xf32> to memref<?xf32>
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memref.dealloc %arg0 : memref<?xf32>
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return %1 : memref<?xf32>
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}
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// CHECK: %[[CONST:.*]] = arith.constant
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// CHECK: %[[DIM:.*]] = memref.dim %[[ARG:.*]], %[[CONST]]
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// CHECK-NEXT: %[[ALLOC:.*]] = memref.alloc(%[[DIM]])
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// CHECK-NEXT: memref.copy %[[ARG]], %[[ALLOC]]
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// CHECK-NEXT: memref.dealloc %[[ARG]]
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// CHECK-NEXT: return %[[ALLOC]]
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// -----
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// CHECK-LABEL: @conversion_unknown
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func.func @conversion_unknown(%arg0 : memref<*xf32>) -> memref<*xf32> {
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%1 = bufferization.clone %arg0 : memref<*xf32> to memref<*xf32>
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memref.dealloc %arg0 : memref<*xf32>
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return %1 : memref<*xf32>
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}
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// CHECK: %[[RANK:.*]] = memref.rank %[[ARG:.*]]
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// CHECK-NEXT: %[[ALLOCA:.*]] = memref.alloca(%[[RANK]])
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// CHECK-NEXT: %[[FOR:.*]] = scf.for
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// CHECK-NEXT: %[[DIM:.*]] = memref.dim %[[ARG:.*]] %[[ARG:.*]]
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// CHECK-NEXT: memref.store %[[DIM:.*]], %[[ALLOCA:.*]][%[[ARG:.*]]]
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// CHECK-NEXT: %[[MUL:.*]] = arith.muli %[[ARG:.*]], %[[DIM:.*]]
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// CHECK-NEXT: scf.yield %[[MUL:.*]]
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// CHECK: %[[ALLOC:.*]] = memref.alloc(%[[FOR:.*]])
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// CHECK-NEXT: %[[RESHAPE:.*]] = memref.reshape %[[ALLOC:.*]]
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// CHECK-NEXT: memref.copy
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// CHECK-NEXT: memref.dealloc
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// CHECK-NEXT: return %[[RESHAPE:.*]]
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// -----
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// CHECK-LABEL: func @conversion_with_layout_map(
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// CHECK-SAME: %[[ARG:.*]]: memref<?xf32, strided<[?], 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: %[[CASTED:.*]] = memref.cast %[[ALLOC]] : memref<?xf32> to memref<?xf32, strided<[?], offset: ?>>
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// CHECK: memref.copy
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// CHECK: memref.dealloc
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// CHECK: return %[[CASTED]]
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func.func @conversion_with_layout_map(%arg0 : memref<?xf32, strided<[?], offset: ?>>) -> memref<?xf32, strided<[?], offset: ?>> {
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%1 = bufferization.clone %arg0 : memref<?xf32, strided<[?], offset: ?>> to memref<?xf32, strided<[?], offset: ?>>
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memref.dealloc %arg0 : memref<?xf32, strided<[?], offset: ?>>
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return %1 : memref<?xf32, strided<[?], offset: ?>>
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}
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// -----
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// This bufferization.clone cannot be lowered because a buffer with this layout
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// map cannot be allocated (or casted to).
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func.func @conversion_with_invalid_layout_map(%arg0 : memref<?xf32, strided<[10], offset: ?>>)
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-> memref<?xf32, strided<[10], offset: ?>> {
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// expected-error@+1 {{failed to legalize operation 'bufferization.clone' that was explicitly marked illegal}}
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%1 = bufferization.clone %arg0 : memref<?xf32, strided<[10], offset: ?>> to memref<?xf32, strided<[10], offset: ?>>
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memref.dealloc %arg0 : memref<?xf32, strided<[10], offset: ?>>
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return %1 : memref<?xf32, strided<[10], offset: ?>>
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}
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// -----
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// Test: check that the dealloc lowering pattern is registered.
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// CHECK-NOT: func @deallocHelper
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// CHECK-LABEL: func @conversion_dealloc_simple
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// CHECK-SAME: [[ARG0:%.+]]: memref<2xf32>
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// CHECK-SAME: [[ARG1:%.+]]: i1
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func.func @conversion_dealloc_simple(%arg0: memref<2xf32>, %arg1: i1) {
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bufferization.dealloc (%arg0 : memref<2xf32>) if (%arg1)
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return
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}
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// CHECK: scf.if [[ARG1]] {
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// CHECK-NEXT: memref.dealloc [[ARG0]] : memref<2xf32>
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// CHECK-NEXT: }
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// CHECK-NEXT: return
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