llvm/mlir/test/Transforms/test-canonicalize-filter.mlir

// RUN: mlir-opt %s -pass-pipeline='builtin.module(func.func(canonicalize))' | FileCheck %s --check-prefix=NO_FILTER
// RUN: mlir-opt %s -pass-pipeline='builtin.module(func.func(canonicalize{enable-patterns=TestRemoveOpWithInnerOps}))' | FileCheck %s --check-prefix=FILTER_ENABLE
// RUN: mlir-opt %s -pass-pipeline='builtin.module(func.func(canonicalize{disable-patterns=TestRemoveOpWithInnerOps}))' | FileCheck %s --check-prefix=FILTER_DISABLE

// NO_FILTER-LABEL: func @remove_op_with_inner_ops_pattern
// NO_FILTER-NEXT: return
// FILTER_ENABLE-LABEL: func @remove_op_with_inner_ops_pattern
// FILTER_ENABLE-NEXT: return
// FILTER_DISABLE-LABEL: func @remove_op_with_inner_ops_pattern
// FILTER_DISABLE-NEXT: "test.op_with_region_pattern"()
func.func @remove_op_with_inner_ops_pattern() {
  "test.op_with_region_pattern"() ({
    "test.op_with_region_terminator"() : () -> ()
  }) : () -> ()
  return
}