Refactor rnn ops to op builders

src/CMakeLists.txt

@@ -128,7 +128,6 @@ add_library(migraphx
     rewrite_low_precision.cpp
     rewrite_pooling.cpp
     rewrite_quantization.cpp
-    rewrite_rnn.cpp
     rewrite_topk.cpp
     schedule.cpp
     serialize.cpp
@@ -218,7 +217,6 @@ register_migraphx_ops(
     gqa_rotary_embedding
     greater
     group
-    gru
     identity
     if_op
     im2col
@@ -236,7 +234,6 @@ register_migraphx_ops(
     logsoftmax
     loop
     lrn
-    lstm
     max
     min
     mod
@@ -275,9 +272,6 @@ register_migraphx_ops(
     reshape_lazy
     resize
     reverse
-    rnn
-    rnn_last_cell_output
-    rnn_last_hs_output
     rnn_var_sl_last_output
     roialign
     rsqrt

src/driver/passes.cpp

@@ -1,7 +1,7 @@
 /*
  * The MIT License (MIT)
  *
- * Copyright (c) 2015-2025 Advanced Micro Devices, Inc. All rights reserved.
+ * Copyright (c) 2015-2026 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
@@ -45,7 +45,6 @@
 #include <migraphx/rewrite_gelu.hpp>
 #include <migraphx/rewrite_pooling.hpp>
 #include <migraphx/rewrite_quantization.hpp>
-#include <migraphx/rewrite_rnn.hpp>
 #include <migraphx/simplify_algebra.hpp>
 #include <migraphx/simplify_dyn_ops.hpp>
 #include <migraphx/simplify_qdq.hpp>
@@ -84,7 +83,6 @@ static std::unordered_map<std::string, pass> create_passes_lookup()
         rewrite_gelu{},
         rewrite_pooling{},
         rewrite_quantization{},
-        rewrite_rnn{},
         simplify_algebra{},
         simplify_dyn_ops{},
         simplify_qdq{},