A. Unique TensorFlower <******@****.***> 1711265865 -0700

        "@com_google_googletest//:gtest_main",
    ],
)

cc_library(
    name = "tf_quantize_op",
    srcs = [
        "tf_quantize_op.cc",
    ],
    hdrs = ["tf_quantize_op.h"],
    compatible_with = get_compatible_with_portable(),
    deps = [
        "//tensorflow/compiler/mlir/quantization/common/quantization_lib",

limitations under the License.
==============================================================================*/

#include "tensorflow/compiler/mlir/quantization/tensorflow/ops/tf_quantize_op.h"

#include <optional>

#include <gtest/gtest.h>
#include "mlir/Dialect/Func/IR/FuncOps.h"  // from @llvm-project
#include "mlir/Dialect/Quant/QuantOps.h"  // from @llvm-project

// squashed to a requantize op if the scales are different.
def : Pat<(TFL_QuantizeOp (TFL_DequantizeOp $in), $qt), (replaceWithValue $in)>;

// If the tfl.dequantize op wasn't fused, we shouldn't quantize the floating
// point constant.
def : Pat<(TFL_DequantizeOp
             (TFL_QuantizeOp (Arith_ConstantOp F32ElementsAttr:$cst), $qt)),
          (TFL_ConstOp $cst)>;

include "tensorflow/compiler/mlir/lite/ir/tfl_ops.td"

// Both Quantize and Dequantize ops have side effects, so we have to define
// patterns to remove dead ones after the quantization rewrite.
def : Pat<(TFL_QuantizeOp:$op $in, $qt), (replaceWithValue $in), [(HasNoUseOf:$op)]>;

// TODO(b/185915462): Compare the scale of input and output. This can also be
// squashed to a requantize op if the scales are different.