var_handle_op.erase();
  }
}

void QuantizeVariablesPass::runOnOperation() {
  ResourceIdMap resource_id_map;
  ResourceMap resource_map;

  // Collect all resource identities.
  getOperation().walk([&](TFL::VarHandleOp var_handle_op) {
    auto identity = std::make_pair(var_handle_op.getContainer().str(),
                                   var_handle_op.getSharedName().str());
    resource_id_map.insert(

    if (op.use_empty() &&
        (op.getIsStateless() ||
         (IsSideEffectFree(then_func) && IsSideEffectFree(else_func)))) {
      rewriter.eraseOp(op.getOperation());
      return success();
    }

    // Extract the constant cond value.
    DenseElementsAttr cond;
    if (!matchPattern(op.getCond(), m_Constant(&cond))) return failure();

class SHLOSimplifyPass : public impl::SHLOSimplifyPassBase<SHLOSimplifyPass> {
 public:
  MLIR_DEFINE_EXPLICIT_INTERNAL_INLINE_TYPE_ID(SHLOSimplifyPass)

  void runOnOperation() override {
    ModuleOp module = getOperation();
    RewritePatternSet patterns(&getContext());
    populateWithGenerated(patterns);
    PopulateFolderPatterns(patterns);
    if (failed(applyPatternsAndFoldGreedily(module, std::move(patterns)))) {

      RemoveShardingCustomCallPass>::RemoveShardingCustomCallPassBase;

 private:
  void runOnOperation() override;
};

void RemoveShardingCustomCallPass::runOnOperation() {
  func::FuncOp func_op = getOperation();
  MLIRContext& ctx = getContext();

  RewritePatternSet patterns(&ctx);
  populateWithGenerated(patterns);

  FrozenRewritePatternSet frozen_patterns(std::move(patterns));

        replicate_op.GetReplicaOperandForBlockArgument(block_arg,
                                                       /*replica=*/0));
    shape_op.replaceAllUsesWith(new_shape_op.getOperation());
    shape_op.erase();
  }
}

// Checks if op and inner op operands are all replicate invariant.
bool IsOpReplicateInvariant(Region* replicate_region, Operation* op) {

};

#include "tensorflow/compiler/mlir/quantization/tensorflow/passes/optimize.inc"

void OptimizePass::runOnOperation() {
  RewritePatternSet patterns(&getContext());
  populateWithGenerated(patterns);
  auto func = getOperation();
  if (failed(applyPatternsAndFoldGreedily(func, std::move(patterns)))) {
    signalPassFailure();
  }
}

}  // namespace

std::unique_ptr<OperationPass<func::FuncOp>> CreateOptimizePass() {

}

void ClusterOutliningPass::runOnOperation() {
  ModuleOp module = getOperation();
  SymbolTable symbol_table(module);
  OpBuilder builder(module.getContext());
  module.walk([&](tf_device::ClusterOp cluster) {
    OutlineCluster(cluster, &symbol_table, &builder);
  });
}

void LaunchOutliningPass::runOnOperation() {
  ModuleOp module = getOperation();
  SymbolTable symbol_table(module);

  MLIR_DEFINE_EXPLICIT_INTERNAL_INLINE_TYPE_ID(TestPreCalibrationComponentPass)

 private:
  void runOnOperation() override;
};

void TestPreCalibrationComponentPass::runOnOperation() {
  ModuleOp module_op = getOperation();
  MLIRContext& ctx = getContext();

  // Simply runs the PreCalibrationComponent with a default configuration.
  PreCalibrationComponent component(&ctx);
  QuantizationConfig quantization_config{};

    rewriter.replaceOpWithNewOp<func::CallOp>(op, entry_func_op, op.getArgs());
    return success();
  }
};

void XlaCallModuleToCallPass::runOnOperation() {
  ModuleOp module_op = getOperation();
  MLIRContext* ctx = module_op.getContext();
  RewritePatternSet patterns(&getContext());
  patterns.add<XlaCallModuleOpToCallOp>(ctx);
  if (failed(applyPatternsAndFoldGreedily(module_op, std::move(patterns)))) {

  }

 public:
  MLIR_DEFINE_EXPLICIT_INTERNAL_INLINE_TYPE_ID(MockSuccessPass)

  explicit MockSuccessPass() = default;

 private:
  void runOnOperation() override {
    getOperation().walk([](Operation* nestedOp) {
      nestedOp->emitError()
          << "Error at " << nestedOp->getName().getStringRef().str() << " op";
    });
  };
};

// MockFailurePass reports errors and fails.