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// RUN: mlir-opt %s -func-bufferize -split-input-file -verify-diagnostics | FileCheck %s
// CHECK-LABEL: func @identity(
// CHECK-SAME: %[[ARG:.*]]: memref<f32>) -> memref<f32> {
// CHECK: %[[TENSOR:.*]] = tensor_load %[[ARG]] : memref<f32>
// CHECK: %[[MEMREF:.*]] = tensor_to_memref %[[TENSOR]] : memref<f32>
// CHECK: return %[[MEMREF]] : memref<f32>
func @identity(%arg0: tensor<f32>) -> tensor<f32> {
return %arg0 : tensor<f32>
}
// CHECK-LABEL: func @block_arguments(
// CHECK-SAME: %[[ARG:.*]]: memref<f32>) -> memref<f32> {
// CHECK: %[[T1:.*]] = tensor_load %[[ARG]] : memref<f32>
// CHECK: %[[M1:.*]] = tensor_to_memref %[[T1]] : memref<f32>
// CHECK: br ^bb1(%[[M1]] : memref<f32>)
// CHECK: ^bb1(%[[BBARG:.*]]: memref<f32>):
// CHECK: %[[T2:.*]] = tensor_load %[[BBARG]] : memref<f32>
// CHECK: %[[M2:.*]] = tensor_to_memref %[[T2]] : memref<f32>
// CHECK: return %[[M2]] : memref<f32>
func @block_arguments(%arg0: tensor<f32>) -> tensor<f32> {
br ^bb1(%arg0: tensor<f32>)
^bb1(%bbarg: tensor<f32>):
return %bbarg : tensor<f32>
}
// CHECK-LABEL: func private @source() -> memref<f32>
// CHECK-LABEL: func @call_source() -> memref<f32> {
// CHECK: %[[RET:.*]] = call @source() : () -> memref<f32>
// CHECK: return %[[RET]] : memref<f32>
func private @source() -> tensor<f32>
func @call_source() -> tensor<f32> {
%0 = call @source() : () -> tensor<f32>
return %0 : tensor<f32>
}
// CHECK-LABEL: func @call_sink(
// CHECK-SAME: %[[ARG:.*]]: memref<f32>) {
// CHECK: %[[TENSOR:.*]] = tensor_load %[[ARG]] : memref<f32>
// CHECK: %[[MEMREF:.*]] = tensor_to_memref %[[TENSOR]] : memref<f32>
// CHECK: call @sink(%[[MEMREF]]) : (memref<f32>) -> ()
// CHECK: return
func private @sink(tensor<f32>)
func @call_sink(%arg0: tensor<f32>) {
call @sink(%arg0) : (tensor<f32>) -> ()
return
}
// CHECK-LABEL: func @unconverted_op_in_body() -> memref<f32> {
// CHECK: %[[TENSOR:.*]] = "test.source"() : () -> tensor<f32>
// CHECK: %[[MEMREF:.*]] = tensor_to_memref %[[TENSOR]] : memref<f32>
// CHECK: return %[[MEMREF]] : memref<f32>
func @unconverted_op_in_body() -> tensor<f32> {
%0 = "test.source"() : () -> tensor<f32>
return %0 : tensor<f32>
}
// -----
// Because this pass updates block arguments, it needs to also atomically
// update all terminators and issue an error if that is not possible.
func @unable_to_update_terminator(%arg0: tensor<f32>) -> tensor<f32> {
%0 = constant true
cond_br %0, ^bb1(%arg0: tensor<f32>), ^bb2(%arg0: tensor<f32>)
^bb1(%bbarg0: tensor<f32>):
// expected-error @+1 {{failed to legalize operation 'test.terminator'}}
"test.terminator"() : () -> ()
^bb2(%bbarg1: tensor<f32>):
return %bbarg1 : tensor<f32>
}