src/glsl/nir/nir_control_flow.h

   1 /*
   2  * Copyright © 2014 Intel Corporation
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice (including the next
  12  * paragraph) shall be included in all copies or substantial portions of the
  13  * Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  21  * IN THE SOFTWARE.
  22  *
  23  * Authors:
  24  *    Connor Abbott (cwabbott0@gmail.com)
  25  *
  26  */
  27
  28 #include "nir.h"
  29
  30 #pragma once
  31
  32 #ifdef __cplusplus
  33 extern "C" {
  34 #endif
  35
  36 /** NIR Control Flow Modification
  37  *
  38  * This file contains various API's that make modifying control flow in NIR,
  39  * while maintaining the invariants checked by the validator, much easier.
  40  */
  41
  42 /** puts a control flow node immediately after another control flow node */
  43 void nir_cf_node_insert_after(nir_cf_node *node, nir_cf_node *after);
  44
  45 /** puts a control flow node immediately before another control flow node */
  46 void nir_cf_node_insert_before(nir_cf_node *node, nir_cf_node *before);
  47
  48 /** puts a control flow node at the beginning of a list from an if, loop, or function */
  49 void nir_cf_node_insert_begin(struct exec_list *list, nir_cf_node *node);
  50
  51 /** puts a control flow node at the end of a list from an if, loop, or function */
  52 void nir_cf_node_insert_end(struct exec_list *list, nir_cf_node *node);
  53
  54 /** removes a control flow node, doing any cleanup necessary */
  55 void nir_cf_node_remove(nir_cf_node *node);
  56
  57 #ifdef __cplusplus
  58 }
  59 #endif