odla_ops_control_flow.h

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//===- odla_ops_loop.h ----------------------------------------------------===//
//
// Copyright (C) 2019-2021 Alibaba Group Holding Limited.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//   http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// =============================================================================
 
#ifndef _ODLA_OPERATOR_OPS_LOOP_H_
#define _ODLA_OPERATOR_OPS_LOOP_H_
 
#include <ODLA/odla_common.h>
#include <ODLA/odla_value.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
typedef enum {
  ODLA_LOOP_LAST_VALUE, 
  ODLA_LOOP_FWD_BEFORE, /* !< Concatenated values for each iteration:
                           [init_value...last_value) */
  ODLA_LOOP_FWD_AFTER,  /* !< Concatenated values for each iteration:
                           [state_1...last_value]) */
  ODLA_LOOP_REV_BEFORE, /* !< Concatenated values for each iteration,
                           in reverse order: (last_value...init_value]) */
  ODLA_LOOP_REV_AFTER,  /* !< Concatenated values for each iteration, in
                           reverse order: [last_value...init_value) */
} odla_loop_output_mode;
 
 
extern ODLA_API_EXPORT odla_value ODLA_API_CALL
odla_CreateLoopVariable(odla_value init_value, odla_value_id value_id);
 
 
extern ODLA_API_EXPORT odla_status ODLA_API_CALL
odla_BeginLoop(odla_value trip_count, odla_value_id value_id);
 
 
extern ODLA_API_EXPORT odla_values ODLA_API_CALL
odla_EndLoop(odla_value condition, odla_values output_values,
             const odla_loop_output_mode* flags, odla_value_ids);
 
extern ODLA_API_EXPORT odla_status ODLA_API_CALL
odla_BeginIf(odla_value condition, odla_value_id);
 
extern ODLA_API_EXPORT odla_status odla_EnterBranchBody(odla_bool true_branch);
 
extern ODLA_API_EXPORT odla_values ODLA_API_CALL odla_EndIf(odla_value_ids);
 
#ifdef __cplusplus
} // C extern
#endif
 
#endif // _ODLA_OPERATOR_OPS_LOOP_H_