Files
clang-p2996/mlir/test/Dialect/Bufferization/Transforms/one-shot-bufferize-analysis.mlir
Matthias Springer f3483c23ce [mlir][bufferization] Fix getAliasingOpOperand/OpResult for non-bufferizable ops
Also enable analysis of unknown ops.

Differential Revision: https://reviews.llvm.org/D142006
2023-01-30 10:10:43 +01:00

35 lines
1.4 KiB
MLIR

// RUN: mlir-opt %s -one-shot-bufferize="test-analysis-only" -allow-unregistered-dialect -split-input-file | FileCheck %s
// CHECK-LABEL: func @unknown_op_aliasing(
func.func @unknown_op_aliasing(%f: f32, %f2: f32, %pos: index) -> f32 {
%0 = tensor.empty() : tensor<10xf32>
// CHECK: linalg.fill {__inplace_operands_attr__ = ["none", "true"]}
%1 = linalg.fill ins(%f : f32) outs(%0 : tensor<10xf32>) -> tensor<10xf32>
// Something must bufferize out-of-place because the op may return an alias
// of %1.
// CHECK: "dummy.dummy_op"(%{{.*}}) {__inplace_operands_attr__ = ["false"]}
%alias = "dummy.dummy_op"(%1) : (tensor<10xf32>) -> (tensor<10xf32>)
// CHECK: linalg.fill {__inplace_operands_attr__ = ["none", "true"]}
%2 = linalg.fill ins(%f2 : f32) outs(%1 : tensor<10xf32>) -> tensor<10xf32>
%3 = tensor.extract %alias[%pos] : tensor<10xf32>
return %3 : f32
}
// -----
// CHECK-LABEL: func @unknown_op_writing(
func.func @unknown_op_writing(%f: f32, %f2: f32, %pos: index) -> f32 {
%0 = tensor.empty() : tensor<10xf32>
// CHECK: linalg.fill {__inplace_operands_attr__ = ["none", "true"]}
%1 = linalg.fill ins(%f : f32) outs(%0 : tensor<10xf32>) -> tensor<10xf32>
// The op may bufferize to a memory write, so it must bufferize out-of-place.
// CHECK: "dummy.dummy_op"(%{{.*}}) {__inplace_operands_attr__ = ["false"]}
"dummy.dummy_op"(%1) : (tensor<10xf32>) -> ()
%3 = tensor.extract %1[%pos] : tensor<10xf32>
return %3 : f32
}