2 * Copyright © 2015 Red Hat
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:
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
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
25 #include "nir_control_flow_private.h"
27 /* Secret Decoder Ring:
29 * Allocate and clone a foo.
31 * Clone body of foo (ie. parent class, embedded struct, etc)
35 /* True if we are cloning an entire shader. */
38 /* maps orig ptr -> cloned ptr: */
39 struct hash_table
*remap_table
;
41 /* List of phi sources. */
42 struct list_head phi_srcs
;
44 /* new shader object, used as memctx for just about everything else: */
49 init_clone_state(clone_state
*state
, bool global
)
51 state
->global_clone
= global
;
52 state
->remap_table
= _mesa_hash_table_create(NULL
, _mesa_hash_pointer
,
53 _mesa_key_pointer_equal
);
54 list_inithead(&state
->phi_srcs
);
58 free_clone_state(clone_state
*state
)
60 _mesa_hash_table_destroy(state
->remap_table
, NULL
);
64 _lookup_ptr(clone_state
*state
, const void *ptr
, bool global
)
66 struct hash_entry
*entry
;
71 if (!state
->global_clone
&& global
)
74 entry
= _mesa_hash_table_search(state
->remap_table
, ptr
);
75 assert(entry
&& "Failed to find pointer!");
83 add_remap(clone_state
*state
, void *nptr
, const void *ptr
)
85 _mesa_hash_table_insert(state
->remap_table
, ptr
, nptr
);
89 remap_local(clone_state
*state
, const void *ptr
)
91 return _lookup_ptr(state
, ptr
, false);
95 remap_global(clone_state
*state
, const void *ptr
)
97 return _lookup_ptr(state
, ptr
, true);
100 static nir_register
*
101 remap_reg(clone_state
*state
, const nir_register
*reg
)
103 return _lookup_ptr(state
, reg
, reg
->is_global
);
106 static nir_variable
*
107 remap_var(clone_state
*state
, const nir_variable
*var
)
109 return _lookup_ptr(state
, var
, nir_variable_is_global(var
));
113 nir_constant_clone(const nir_constant
*c
, nir_variable
*nvar
)
115 nir_constant
*nc
= ralloc(nvar
, nir_constant
);
117 nc
->value
= c
->value
;
118 nc
->num_elements
= c
->num_elements
;
119 nc
->elements
= ralloc_array(nvar
, nir_constant
*, c
->num_elements
);
120 for (unsigned i
= 0; i
< c
->num_elements
; i
++) {
121 nc
->elements
[i
] = nir_constant_clone(c
->elements
[i
], nvar
);
127 /* NOTE: for cloning nir_variable's, bypass nir_variable_create to avoid
128 * having to deal with locals and globals separately:
131 nir_variable_clone(const nir_variable
*var
, nir_shader
*shader
)
133 nir_variable
*nvar
= rzalloc(shader
, nir_variable
);
135 nvar
->type
= var
->type
;
136 nvar
->name
= ralloc_strdup(nvar
, var
->name
);
137 nvar
->data
= var
->data
;
138 nvar
->num_state_slots
= var
->num_state_slots
;
139 nvar
->state_slots
= ralloc_array(nvar
, nir_state_slot
, var
->num_state_slots
);
140 memcpy(nvar
->state_slots
, var
->state_slots
,
141 var
->num_state_slots
* sizeof(nir_state_slot
));
142 if (var
->constant_initializer
) {
143 nvar
->constant_initializer
=
144 nir_constant_clone(var
->constant_initializer
, nvar
);
146 nvar
->interface_type
= var
->interface_type
;
151 static nir_variable
*
152 clone_variable(clone_state
*state
, const nir_variable
*var
)
154 nir_variable
*nvar
= nir_variable_clone(var
, state
->ns
);
155 add_remap(state
, nvar
, var
);
160 /* clone list of nir_variable: */
162 clone_var_list(clone_state
*state
, struct exec_list
*dst
,
163 const struct exec_list
*list
)
165 exec_list_make_empty(dst
);
166 foreach_list_typed(nir_variable
, var
, node
, list
) {
167 nir_variable
*nvar
= clone_variable(state
, var
);
168 exec_list_push_tail(dst
, &nvar
->node
);
172 /* NOTE: for cloning nir_register's, bypass nir_global/local_reg_create()
173 * to avoid having to deal with locals and globals separately:
175 static nir_register
*
176 clone_register(clone_state
*state
, const nir_register
*reg
)
178 nir_register
*nreg
= rzalloc(state
->ns
, nir_register
);
179 add_remap(state
, nreg
, reg
);
181 nreg
->num_components
= reg
->num_components
;
182 nreg
->bit_size
= reg
->bit_size
;
183 nreg
->num_array_elems
= reg
->num_array_elems
;
184 nreg
->index
= reg
->index
;
185 nreg
->name
= ralloc_strdup(nreg
, reg
->name
);
186 nreg
->is_global
= reg
->is_global
;
187 nreg
->is_packed
= reg
->is_packed
;
189 /* reconstructing uses/defs/if_uses handled by nir_instr_insert() */
190 list_inithead(&nreg
->uses
);
191 list_inithead(&nreg
->defs
);
192 list_inithead(&nreg
->if_uses
);
197 /* clone list of nir_register: */
199 clone_reg_list(clone_state
*state
, struct exec_list
*dst
,
200 const struct exec_list
*list
)
202 exec_list_make_empty(dst
);
203 foreach_list_typed(nir_register
, reg
, node
, list
) {
204 nir_register
*nreg
= clone_register(state
, reg
);
205 exec_list_push_tail(dst
, &nreg
->node
);
210 __clone_src(clone_state
*state
, void *ninstr_or_if
,
211 nir_src
*nsrc
, const nir_src
*src
)
213 nsrc
->is_ssa
= src
->is_ssa
;
215 nsrc
->ssa
= remap_local(state
, src
->ssa
);
217 nsrc
->reg
.reg
= remap_reg(state
, src
->reg
.reg
);
218 if (src
->reg
.indirect
) {
219 nsrc
->reg
.indirect
= ralloc(ninstr_or_if
, nir_src
);
220 __clone_src(state
, ninstr_or_if
, nsrc
->reg
.indirect
, src
->reg
.indirect
);
222 nsrc
->reg
.base_offset
= src
->reg
.base_offset
;
227 __clone_dst(clone_state
*state
, nir_instr
*ninstr
,
228 nir_dest
*ndst
, const nir_dest
*dst
)
230 ndst
->is_ssa
= dst
->is_ssa
;
232 nir_ssa_dest_init(ninstr
, ndst
, dst
->ssa
.num_components
,
233 dst
->ssa
.bit_size
, dst
->ssa
.name
);
234 add_remap(state
, &ndst
->ssa
, &dst
->ssa
);
236 ndst
->reg
.reg
= remap_reg(state
, dst
->reg
.reg
);
237 if (dst
->reg
.indirect
) {
238 ndst
->reg
.indirect
= ralloc(ninstr
, nir_src
);
239 __clone_src(state
, ninstr
, ndst
->reg
.indirect
, dst
->reg
.indirect
);
241 ndst
->reg
.base_offset
= dst
->reg
.base_offset
;
245 static nir_deref
*clone_deref(clone_state
*state
, const nir_deref
*deref
,
246 nir_instr
*ninstr
, nir_deref
*parent
);
248 static nir_deref_var
*
249 clone_deref_var(clone_state
*state
, const nir_deref_var
*dvar
,
252 nir_variable
*nvar
= remap_var(state
, dvar
->var
);
253 nir_deref_var
*ndvar
= nir_deref_var_create(ninstr
, nvar
);
255 if (dvar
->deref
.child
)
256 ndvar
->deref
.child
= clone_deref(state
, dvar
->deref
.child
,
257 ninstr
, &ndvar
->deref
);
262 static nir_deref_array
*
263 clone_deref_array(clone_state
*state
, const nir_deref_array
*darr
,
264 nir_instr
*ninstr
, nir_deref
*parent
)
266 nir_deref_array
*ndarr
= nir_deref_array_create(parent
);
268 ndarr
->deref
.type
= darr
->deref
.type
;
269 if (darr
->deref
.child
)
270 ndarr
->deref
.child
= clone_deref(state
, darr
->deref
.child
,
271 ninstr
, &ndarr
->deref
);
273 ndarr
->deref_array_type
= darr
->deref_array_type
;
274 ndarr
->base_offset
= darr
->base_offset
;
275 if (ndarr
->deref_array_type
== nir_deref_array_type_indirect
)
276 __clone_src(state
, ninstr
, &ndarr
->indirect
, &darr
->indirect
);
281 static nir_deref_struct
*
282 clone_deref_struct(clone_state
*state
, const nir_deref_struct
*dstr
,
283 nir_instr
*ninstr
, nir_deref
*parent
)
285 nir_deref_struct
*ndstr
= nir_deref_struct_create(parent
, dstr
->index
);
287 ndstr
->deref
.type
= dstr
->deref
.type
;
288 if (dstr
->deref
.child
)
289 ndstr
->deref
.child
= clone_deref(state
, dstr
->deref
.child
,
290 ninstr
, &ndstr
->deref
);
296 clone_deref(clone_state
*state
, const nir_deref
*dref
,
297 nir_instr
*ninstr
, nir_deref
*parent
)
299 switch (dref
->deref_type
) {
300 case nir_deref_type_array
:
301 return &clone_deref_array(state
, nir_deref_as_array(dref
),
302 ninstr
, parent
)->deref
;
303 case nir_deref_type_struct
:
304 return &clone_deref_struct(state
, nir_deref_as_struct(dref
),
305 ninstr
, parent
)->deref
;
307 unreachable("bad deref type");
312 static nir_alu_instr
*
313 clone_alu(clone_state
*state
, const nir_alu_instr
*alu
)
315 nir_alu_instr
*nalu
= nir_alu_instr_create(state
->ns
, alu
->op
);
316 nalu
->exact
= alu
->exact
;
318 __clone_dst(state
, &nalu
->instr
, &nalu
->dest
.dest
, &alu
->dest
.dest
);
319 nalu
->dest
.saturate
= alu
->dest
.saturate
;
320 nalu
->dest
.write_mask
= alu
->dest
.write_mask
;
322 for (unsigned i
= 0; i
< nir_op_infos
[alu
->op
].num_inputs
; i
++) {
323 __clone_src(state
, &nalu
->instr
, &nalu
->src
[i
].src
, &alu
->src
[i
].src
);
324 nalu
->src
[i
].negate
= alu
->src
[i
].negate
;
325 nalu
->src
[i
].abs
= alu
->src
[i
].abs
;
326 memcpy(nalu
->src
[i
].swizzle
, alu
->src
[i
].swizzle
,
327 sizeof(nalu
->src
[i
].swizzle
));
333 static nir_intrinsic_instr
*
334 clone_intrinsic(clone_state
*state
, const nir_intrinsic_instr
*itr
)
336 nir_intrinsic_instr
*nitr
=
337 nir_intrinsic_instr_create(state
->ns
, itr
->intrinsic
);
339 unsigned num_variables
= nir_intrinsic_infos
[itr
->intrinsic
].num_variables
;
340 unsigned num_srcs
= nir_intrinsic_infos
[itr
->intrinsic
].num_srcs
;
342 if (nir_intrinsic_infos
[itr
->intrinsic
].has_dest
)
343 __clone_dst(state
, &nitr
->instr
, &nitr
->dest
, &itr
->dest
);
345 nitr
->num_components
= itr
->num_components
;
346 memcpy(nitr
->const_index
, itr
->const_index
, sizeof(nitr
->const_index
));
348 for (unsigned i
= 0; i
< num_variables
; i
++) {
349 nitr
->variables
[i
] = clone_deref_var(state
, itr
->variables
[i
],
353 for (unsigned i
= 0; i
< num_srcs
; i
++)
354 __clone_src(state
, &nitr
->instr
, &nitr
->src
[i
], &itr
->src
[i
]);
359 static nir_load_const_instr
*
360 clone_load_const(clone_state
*state
, const nir_load_const_instr
*lc
)
362 nir_load_const_instr
*nlc
=
363 nir_load_const_instr_create(state
->ns
, lc
->def
.num_components
,
366 memcpy(&nlc
->value
, &lc
->value
, sizeof(nlc
->value
));
368 add_remap(state
, &nlc
->def
, &lc
->def
);
373 static nir_ssa_undef_instr
*
374 clone_ssa_undef(clone_state
*state
, const nir_ssa_undef_instr
*sa
)
376 nir_ssa_undef_instr
*nsa
=
377 nir_ssa_undef_instr_create(state
->ns
, sa
->def
.num_components
,
380 add_remap(state
, &nsa
->def
, &sa
->def
);
385 static nir_tex_instr
*
386 clone_tex(clone_state
*state
, const nir_tex_instr
*tex
)
388 nir_tex_instr
*ntex
= nir_tex_instr_create(state
->ns
, tex
->num_srcs
);
390 ntex
->sampler_dim
= tex
->sampler_dim
;
391 ntex
->dest_type
= tex
->dest_type
;
393 __clone_dst(state
, &ntex
->instr
, &ntex
->dest
, &tex
->dest
);
394 for (unsigned i
= 0; i
< ntex
->num_srcs
; i
++) {
395 ntex
->src
[i
].src_type
= tex
->src
[i
].src_type
;
396 __clone_src(state
, &ntex
->instr
, &ntex
->src
[i
].src
, &tex
->src
[i
].src
);
398 ntex
->coord_components
= tex
->coord_components
;
399 ntex
->is_array
= tex
->is_array
;
400 ntex
->is_shadow
= tex
->is_shadow
;
401 ntex
->is_new_style_shadow
= tex
->is_new_style_shadow
;
402 ntex
->component
= tex
->component
;
404 ntex
->texture_index
= tex
->texture_index
;
406 ntex
->texture
= clone_deref_var(state
, tex
->texture
, &ntex
->instr
);
407 ntex
->texture_array_size
= tex
->texture_array_size
;
409 ntex
->sampler_index
= tex
->sampler_index
;
411 ntex
->sampler
= clone_deref_var(state
, tex
->sampler
, &ntex
->instr
);
416 static nir_phi_instr
*
417 clone_phi(clone_state
*state
, const nir_phi_instr
*phi
, nir_block
*nblk
)
419 nir_phi_instr
*nphi
= nir_phi_instr_create(state
->ns
);
421 __clone_dst(state
, &nphi
->instr
, &nphi
->dest
, &phi
->dest
);
423 /* Cloning a phi node is a bit different from other instructions. The
424 * sources of phi instructions are the only time where we can use an SSA
425 * def before it is defined. In order to handle this, we just copy over
426 * the sources from the old phi instruction directly and then fix them up
427 * in a second pass once all the instrutions in the function have been
430 * In order to ensure that the copied sources (which are the same as the
431 * old phi instruction's sources for now) don't get inserted into the old
432 * shader's use-def lists, we have to add the phi instruction *before* we
433 * set up its sources.
435 nir_instr_insert_after_block(nblk
, &nphi
->instr
);
437 foreach_list_typed(nir_phi_src
, src
, node
, &phi
->srcs
) {
438 nir_phi_src
*nsrc
= ralloc(nphi
, nir_phi_src
);
440 /* Just copy the old source for now. */
441 memcpy(nsrc
, src
, sizeof(*src
));
443 /* Since we're not letting nir_insert_instr handle use/def stuff for us,
444 * we have to set the parent_instr manually. It doesn't really matter
445 * when we do it, so we might as well do it here.
447 nsrc
->src
.parent_instr
= &nphi
->instr
;
449 /* Stash it in the list of phi sources. We'll walk this list and fix up
450 * sources at the very end of clone_function_impl.
452 list_add(&nsrc
->src
.use_link
, &state
->phi_srcs
);
454 exec_list_push_tail(&nphi
->srcs
, &nsrc
->node
);
460 static nir_jump_instr
*
461 clone_jump(clone_state
*state
, const nir_jump_instr
*jmp
)
463 nir_jump_instr
*njmp
= nir_jump_instr_create(state
->ns
, jmp
->type
);
468 static nir_call_instr
*
469 clone_call(clone_state
*state
, const nir_call_instr
*call
)
471 nir_function
*ncallee
= remap_global(state
, call
->callee
);
472 nir_call_instr
*ncall
= nir_call_instr_create(state
->ns
, ncallee
);
474 for (unsigned i
= 0; i
< ncall
->num_params
; i
++)
475 ncall
->params
[i
] = clone_deref_var(state
, call
->params
[i
], &ncall
->instr
);
477 ncall
->return_deref
= clone_deref_var(state
, call
->return_deref
,
484 clone_instr(clone_state
*state
, const nir_instr
*instr
)
486 switch (instr
->type
) {
487 case nir_instr_type_alu
:
488 return &clone_alu(state
, nir_instr_as_alu(instr
))->instr
;
489 case nir_instr_type_intrinsic
:
490 return &clone_intrinsic(state
, nir_instr_as_intrinsic(instr
))->instr
;
491 case nir_instr_type_load_const
:
492 return &clone_load_const(state
, nir_instr_as_load_const(instr
))->instr
;
493 case nir_instr_type_ssa_undef
:
494 return &clone_ssa_undef(state
, nir_instr_as_ssa_undef(instr
))->instr
;
495 case nir_instr_type_tex
:
496 return &clone_tex(state
, nir_instr_as_tex(instr
))->instr
;
497 case nir_instr_type_phi
:
498 unreachable("Cannot clone phis with clone_instr");
499 case nir_instr_type_jump
:
500 return &clone_jump(state
, nir_instr_as_jump(instr
))->instr
;
501 case nir_instr_type_call
:
502 return &clone_call(state
, nir_instr_as_call(instr
))->instr
;
503 case nir_instr_type_parallel_copy
:
504 unreachable("Cannot clone parallel copies");
506 unreachable("bad instr type");
512 clone_block(clone_state
*state
, struct exec_list
*cf_list
, const nir_block
*blk
)
514 /* Don't actually create a new block. Just use the one from the tail of
515 * the list. NIR guarantees that the tail of the list is a block and that
516 * no two blocks are side-by-side in the IR; It should be empty.
519 exec_node_data(nir_block
, exec_list_get_tail(cf_list
), cf_node
.node
);
520 assert(nblk
->cf_node
.type
== nir_cf_node_block
);
521 assert(exec_list_is_empty(&nblk
->instr_list
));
523 /* We need this for phi sources */
524 add_remap(state
, nblk
, blk
);
526 nir_foreach_instr(instr
, blk
) {
527 if (instr
->type
== nir_instr_type_phi
) {
528 /* Phi instructions are a bit of a special case when cloning because
529 * we don't want inserting the instruction to automatically handle
530 * use/defs for us. Instead, we need to wait until all the
531 * blocks/instructions are in so that we can set their sources up.
533 clone_phi(state
, nir_instr_as_phi(instr
), nblk
);
535 nir_instr
*ninstr
= clone_instr(state
, instr
);
536 nir_instr_insert_after_block(nblk
, ninstr
);
544 clone_cf_list(clone_state
*state
, struct exec_list
*dst
,
545 const struct exec_list
*list
);
548 clone_if(clone_state
*state
, struct exec_list
*cf_list
, const nir_if
*i
)
550 nir_if
*ni
= nir_if_create(state
->ns
);
552 __clone_src(state
, ni
, &ni
->condition
, &i
->condition
);
554 nir_cf_node_insert_end(cf_list
, &ni
->cf_node
);
556 clone_cf_list(state
, &ni
->then_list
, &i
->then_list
);
557 clone_cf_list(state
, &ni
->else_list
, &i
->else_list
);
563 clone_loop(clone_state
*state
, struct exec_list
*cf_list
, const nir_loop
*loop
)
565 nir_loop
*nloop
= nir_loop_create(state
->ns
);
567 nir_cf_node_insert_end(cf_list
, &nloop
->cf_node
);
569 clone_cf_list(state
, &nloop
->body
, &loop
->body
);
574 /* clone list of nir_cf_node: */
576 clone_cf_list(clone_state
*state
, struct exec_list
*dst
,
577 const struct exec_list
*list
)
579 foreach_list_typed(nir_cf_node
, cf
, node
, list
) {
581 case nir_cf_node_block
:
582 clone_block(state
, dst
, nir_cf_node_as_block(cf
));
585 clone_if(state
, dst
, nir_cf_node_as_if(cf
));
587 case nir_cf_node_loop
:
588 clone_loop(state
, dst
, nir_cf_node_as_loop(cf
));
591 unreachable("bad cf type");
596 static nir_function_impl
*
597 clone_function_impl(clone_state
*state
, const nir_function_impl
*fi
)
599 nir_function_impl
*nfi
= nir_function_impl_create_bare(state
->ns
);
601 clone_var_list(state
, &nfi
->locals
, &fi
->locals
);
602 clone_reg_list(state
, &nfi
->registers
, &fi
->registers
);
603 nfi
->reg_alloc
= fi
->reg_alloc
;
605 nfi
->num_params
= fi
->num_params
;
606 nfi
->params
= ralloc_array(state
->ns
, nir_variable
*, fi
->num_params
);
607 for (unsigned i
= 0; i
< fi
->num_params
; i
++) {
608 nfi
->params
[i
] = clone_variable(state
, fi
->params
[i
]);
611 nfi
->return_var
= clone_variable(state
, fi
->return_var
);
613 assert(list_empty(&state
->phi_srcs
));
615 clone_cf_list(state
, &nfi
->body
, &fi
->body
);
617 /* After we've cloned almost everything, we have to walk the list of phi
618 * sources and fix them up. Thanks to loops, the block and SSA value for a
619 * phi source may not be defined when we first encounter it. Instead, we
620 * add it to the phi_srcs list and we fix it up here.
622 list_for_each_entry_safe(nir_phi_src
, src
, &state
->phi_srcs
, src
.use_link
) {
623 src
->pred
= remap_local(state
, src
->pred
);
624 assert(src
->src
.is_ssa
);
625 src
->src
.ssa
= remap_local(state
, src
->src
.ssa
);
627 /* Remove from this list and place in the uses of the SSA def */
628 list_del(&src
->src
.use_link
);
629 list_addtail(&src
->src
.use_link
, &src
->src
.ssa
->uses
);
631 assert(list_empty(&state
->phi_srcs
));
633 /* All metadata is invalidated in the cloning process */
634 nfi
->valid_metadata
= 0;
640 nir_function_impl_clone(const nir_function_impl
*fi
)
643 init_clone_state(&state
, false);
645 /* We use the same shader */
646 state
.ns
= fi
->function
->shader
;
648 nir_function_impl
*nfi
= clone_function_impl(&state
, fi
);
650 free_clone_state(&state
);
655 static nir_function
*
656 clone_function(clone_state
*state
, const nir_function
*fxn
, nir_shader
*ns
)
658 assert(ns
== state
->ns
);
659 nir_function
*nfxn
= nir_function_create(ns
, fxn
->name
);
661 /* Needed for call instructions */
662 add_remap(state
, nfxn
, fxn
);
664 nfxn
->num_params
= fxn
->num_params
;
665 nfxn
->params
= ralloc_array(state
->ns
, nir_parameter
, fxn
->num_params
);
666 memcpy(nfxn
->params
, fxn
->params
, sizeof(nir_parameter
) * fxn
->num_params
);
668 nfxn
->return_type
= fxn
->return_type
;
670 /* At first glance, it looks like we should clone the function_impl here.
671 * However, call instructions need to be able to reference at least the
672 * function and those will get processed as we clone the function_impl's.
673 * We stop here and do function_impls as a second pass.
680 nir_shader_clone(void *mem_ctx
, const nir_shader
*s
)
683 init_clone_state(&state
, true);
685 nir_shader
*ns
= nir_shader_create(mem_ctx
, s
->stage
, s
->options
);
688 clone_var_list(&state
, &ns
->uniforms
, &s
->uniforms
);
689 clone_var_list(&state
, &ns
->inputs
, &s
->inputs
);
690 clone_var_list(&state
, &ns
->outputs
, &s
->outputs
);
691 clone_var_list(&state
, &ns
->shared
, &s
->shared
);
692 clone_var_list(&state
, &ns
->globals
, &s
->globals
);
693 clone_var_list(&state
, &ns
->system_values
, &s
->system_values
);
695 /* Go through and clone functions */
696 foreach_list_typed(nir_function
, fxn
, node
, &s
->functions
)
697 clone_function(&state
, fxn
, ns
);
699 /* Only after all functions are cloned can we clone the actual function
700 * implementations. This is because nir_call_instr's need to reference the
701 * functions of other functions and we don't know what order the functions
702 * will have in the list.
704 nir_foreach_function(fxn
, s
) {
705 nir_function
*nfxn
= remap_global(&state
, fxn
);
706 nfxn
->impl
= clone_function_impl(&state
, fxn
->impl
);
707 nfxn
->impl
->function
= nfxn
;
710 clone_reg_list(&state
, &ns
->registers
, &s
->registers
);
711 ns
->reg_alloc
= s
->reg_alloc
;
714 ns
->info
.name
= ralloc_strdup(ns
, ns
->info
.name
);
716 ns
->info
.label
= ralloc_strdup(ns
, ns
->info
.label
);
718 ns
->num_inputs
= s
->num_inputs
;
719 ns
->num_uniforms
= s
->num_uniforms
;
720 ns
->num_outputs
= s
->num_outputs
;
721 ns
->num_shared
= s
->num_shared
;
723 free_clone_state(&state
);