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82 lines
4.1 KiB
82 lines
4.1 KiB
4 months ago
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// RUN: mlir-opt %s -scf-bufferize | FileCheck %s
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// CHECK-LABEL: func @if(
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// CHECK-SAME: %[[PRED:.*]]: i1,
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// CHECK-SAME: %[[TRUE_TENSOR:.*]]: tensor<?xf32>,
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// CHECK-SAME: %[[FALSE_TENSOR:.*]]: tensor<?xf32>) -> tensor<?xf32> {
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// CHECK: %[[RESULT_MEMREF:.*]] = scf.if %[[PRED]] -> (memref<?xf32>) {
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// CHECK: %[[TRUE_MEMREF:.*]] = tensor_to_memref %[[TRUE_TENSOR]] : memref<?xf32>
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// CHECK: scf.yield %[[TRUE_MEMREF]] : memref<?xf32>
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// CHECK: } else {
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// CHECK: %[[FALSE_MEMREF:.*]] = tensor_to_memref %[[FALSE_TENSOR]] : memref<?xf32>
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// CHECK: scf.yield %[[FALSE_MEMREF]] : memref<?xf32>
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// CHECK: }
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// CHECK: %[[RESULT_TENSOR:.*]] = tensor_load %[[RESULT_MEMREF:.*]] : memref<?xf32>
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// CHECK: return %[[RESULT_TENSOR]] : tensor<?xf32>
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// CHECK: }
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func @if(%pred: i1, %true_val: tensor<?xf32>, %false_val: tensor<?xf32>) -> tensor<?xf32> {
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%0 = scf.if %pred -> (tensor<?xf32>) {
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scf.yield %true_val : tensor<?xf32>
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} else {
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scf.yield %false_val : tensor<?xf32>
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}
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return %0 : tensor<?xf32>
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}
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// CHECK-LABEL: func @for(
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// CHECK-SAME: %[[TENSOR:.*]]: tensor<f32>,
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// CHECK-SAME: %[[LB:.*]]: index, %[[UB:.*]]: index,
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// CHECK-SAME: %[[STEP:.*]]: index) -> tensor<f32> {
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// CHECK: %[[MEMREF:.*]] = tensor_to_memref %[[TENSOR]] : memref<f32>
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// CHECK: %[[RESULT_MEMREF:.*]] = scf.for %[[VAL_6:.*]] = %[[LB]] to %[[UB]] step %[[STEP]] iter_args(%[[ITER:.*]] = %[[MEMREF]]) -> (memref<f32>) {
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// CHECK: %[[TENSOR_ITER:.*]] = tensor_load %[[ITER]] : memref<f32>
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// CHECK: %[[MEMREF_YIELDED:.*]] = tensor_to_memref %[[TENSOR_ITER]] : memref<f32>
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// CHECK: scf.yield %[[MEMREF_YIELDED]] : memref<f32>
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// CHECK: }
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// CHECK: %[[VAL_8:.*]] = tensor_load %[[VAL_9:.*]] : memref<f32>
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// CHECK: return %[[VAL_8]] : tensor<f32>
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// CHECK: }
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func @for(%arg0: tensor<f32>, %lb: index, %ub: index, %step: index) -> tensor<f32> {
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%ret = scf.for %iv = %lb to %ub step %step iter_args(%iter = %arg0) -> tensor<f32> {
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scf.yield %iter : tensor<f32>
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}
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return %ret : tensor<f32>
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}
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// Check whether this converts at all.
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//
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// It would previously fail altogether.
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// CHECK-LABEL: func @if_correct_recursive_legalization_behavior
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// CHECK: "test.munge_tensor"
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func @if_correct_recursive_legalization_behavior(%pred: i1, %tensor: tensor<f32>) -> tensor<f32> {
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%0 = scf.if %pred -> (tensor<f32>) {
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%1 = "test.munge_tensor"(%tensor) : (tensor<f32>) -> (tensor<f32>)
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scf.yield %1: tensor<f32>
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} else {
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%1 = "test.munge_tensor"(%tensor) : (tensor<f32>) -> (tensor<f32>)
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scf.yield %1 : tensor<f32>
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}
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return %0 : tensor<f32>
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}
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// CHECK-LABEL: func @for_correct_recursive_legalization_behavior(
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// CHECK-SAME: %[[TENSOR:.*]]: tensor<f32>,
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// CHECK-SAME: %[[INDEX:.*]]: index) -> tensor<f32> {
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// CHECK: %[[MEMREF:.*]] = tensor_to_memref %[[TENSOR]] : memref<f32>
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// CHECK: %[[RESULT:.*]] = scf.for %[[IV:.*]] = %[[INDEX]] to %[[INDEX]] step %[[INDEX]] iter_args(%[[MEMREF_ITER:.*]] = %[[MEMREF]]) -> (memref<f32>) {
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// CHECK: %[[TENSOR_ITER:.*]] = tensor_load %[[MEMREF_ITER]] : memref<f32>
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// CHECK: %[[TENSOR_MUNGED:.*]] = "test.munge_tensor"(%[[TENSOR_ITER]]) : (tensor<f32>) -> tensor<f32>
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// CHECK: %[[MEMREF_MUNGED:.*]] = tensor_to_memref %[[TENSOR_MUNGED]] : memref<f32>
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// CHECK: scf.yield %[[MEMREF_MUNGED]] : memref<f32>
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// CHECK: }
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// CHECK: %[[TENSOR:.*]] = tensor_load %[[RESULT:.*]] : memref<f32>
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// CHECK: return %[[TENSOR]] : tensor<f32>
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// CHECK: }
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func @for_correct_recursive_legalization_behavior(%arg0: tensor<f32>, %index: index) -> tensor<f32> {
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%ret = scf.for %iv = %index to %index step %index iter_args(%iter = %arg0) -> tensor<f32> {
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%0 = "test.munge_tensor"(%iter) : (tensor<f32>) -> (tensor<f32>)
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scf.yield %0 : tensor<f32>
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}
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return %ret : tensor<f32>
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}
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