# Copyright (c) 2024 Advanced Micro Devices, Inc. All rights reserved.
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# SOFTWARE.

## This only applies to collective header files
if(HIP_FILE MATCHES ".*/src/device/.*\\.h$")
  execute_process(COMMAND sed -i "s/template<typename T, typename RedOp, typename Proto>/template<typename T, typename RedOp, typename Proto, int COLL_UNROLL>/g" ${HIP_FILE})
  execute_process(COMMAND sed -i "s/template<typename T, typename RedOp>/template<typename T, typename RedOp, int COLL_UNROLL>/g" ${HIP_FILE})
  execute_process(COMMAND sed -i "s/ProtoSimple<1, 1>/ProtoSimple<1, 1, COLL_UNROLL>/" ${HIP_FILE})
  execute_process(COMMAND sed -i "s/ProtoSimple<1,1>/ProtoSimple<1,1,COLL_UNROLL>/" ${HIP_FILE})
  execute_process(COMMAND sed -i "s/\\(using Proto = ProtoSimple<[^1][^>]*\\)>*/\\1, COLL_UNROLL>/" ${HIP_FILE})
  execute_process(COMMAND sed -i "s/\\(runRing<T[^>]*\\)>*/\\1, COLL_UNROLL>/" ${HIP_FILE})
  execute_process(COMMAND sed -i "s/runTreeUpDown<T, RedOp, ProtoSimple<1, 1, COLL_UNROLL>>/runTreeUpDown<T, RedOp, ProtoSimple<1, 1, COLL_UNROLL>, COLL_UNROLL>/" ${HIP_FILE})
  execute_process(COMMAND sed -i "s/\\(runTreeSplit<T[^>]*\\)>*/\\1, COLL_UNROLL>/" ${HIP_FILE})
  execute_process(COMMAND sed -i "s/\\(struct RunWorkElement<ncclFunc[^>]*\\)>*/\\1, COLL_UNROLL>/" ${HIP_FILE})
  execute_process(COMMAND sed -i "s/\\(struct RunWork<ncclFunc[^>]*\\)>*/\\1, COLL_UNROLL>/" ${HIP_FILE})

  message(STATUS "Added COLL_UNROLL template argument to ${HIP_FILE}")
endif()