1 /*
2 * Copyright 2016 Bas Nieuwenhuizen
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the
6 * "Software"), to deal in the Software without restriction, including
7 * without limitation the rights to use, copy, modify, merge, publish,
8 * distribute, sub license, and/or sell copies of the Software, and to
9 * permit persons to whom the Software is furnished to do so, subject to
10 * the following conditions:
11 *
12 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
13 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
14 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
15 * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
16 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
17 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
18 * USE OR OTHER DEALINGS IN THE SOFTWARE.
19 *
20 * The above copyright notice and this permission notice (including the
21 * next paragraph) shall be included in all copies or substantial portions
22 * of the Software.
23 *
24 */
25 #ifndef AC_LLVM_BUILD_H
26 #define AC_LLVM_BUILD_H
27
28 #include "ac_llvm_util.h"
29 #include "ac_shader_abi.h"
30 #include "ac_shader_args.h"
31 #include "ac_shader_util.h"
32 #include "amd_family.h"
33 #include "compiler/nir/nir.h"
34 #include <llvm-c/Core.h>
35
36 #include <stdbool.h>
37
38 #ifdef __cplusplus
39 extern "C" {
40 #endif
41
42 enum
43 {
44 AC_ADDR_SPACE_FLAT = 0, /* Slower than global. */
45 AC_ADDR_SPACE_GLOBAL = 1,
46 AC_ADDR_SPACE_GDS = 2,
47 AC_ADDR_SPACE_LDS = 3,
48 AC_ADDR_SPACE_CONST = 4, /* Global allowing SMEM. */
49 AC_ADDR_SPACE_CONST_32BIT = 6, /* same as CONST, but the pointer type has 32 bits */
50 };
51
52 #define AC_WAIT_LGKM (1 << 0) /* LDS, GDS, constant, message */
53 #define AC_WAIT_VLOAD (1 << 1) /* VMEM load/sample instructions */
54 #define AC_WAIT_VSTORE (1 << 2) /* VMEM store instructions */
55 #define AC_WAIT_EXP (1 << 3) /* EXP instructions */
56
57 struct ac_llvm_flow;
58 struct ac_llvm_compiler;
59
60 struct ac_llvm_flow_state {
61 struct ac_llvm_flow *stack;
62 unsigned depth_max;
63 unsigned depth;
64 };
65
66 struct ac_llvm_context {
67 LLVMContextRef context;
68 LLVMModuleRef module;
69 LLVMBuilderRef builder;
70
71 LLVMValueRef main_function;
72
73 LLVMTypeRef voidt;
74 LLVMTypeRef i1;
75 LLVMTypeRef i8;
76 LLVMTypeRef i16;
77 LLVMTypeRef i32;
78 LLVMTypeRef i64;
79 LLVMTypeRef i128;
80 LLVMTypeRef intptr;
81 LLVMTypeRef f16;
82 LLVMTypeRef f32;
83 LLVMTypeRef f64;
84 LLVMTypeRef v2i16;
85 LLVMTypeRef v4i16;
86 LLVMTypeRef v2f16;
87 LLVMTypeRef v4f16;
88 LLVMTypeRef v2i32;
89 LLVMTypeRef v3i32;
90 LLVMTypeRef v4i32;
91 LLVMTypeRef v2f32;
92 LLVMTypeRef v3f32;
93 LLVMTypeRef v4f32;
94 LLVMTypeRef v8i32;
95 LLVMTypeRef iN_wavemask;
96 LLVMTypeRef iN_ballotmask;
97
98 LLVMValueRef i8_0;
99 LLVMValueRef i8_1;
100 LLVMValueRef i16_0;
101 LLVMValueRef i16_1;
102 LLVMValueRef i32_0;
103 LLVMValueRef i32_1;
104 LLVMValueRef i64_0;
105 LLVMValueRef i64_1;
106 LLVMValueRef i128_0;
107 LLVMValueRef i128_1;
108 LLVMValueRef f16_0;
109 LLVMValueRef f16_1;
110 LLVMValueRef f32_0;
111 LLVMValueRef f32_1;
112 LLVMValueRef f64_0;
113 LLVMValueRef f64_1;
114 LLVMValueRef i1true;
115 LLVMValueRef i1false;
116
117 /* Temporary helper to implement demote_to_helper:
118 * True = live lanes
119 * False = demoted lanes
120 */
121 LLVMValueRef postponed_kill;
122 bool conditional_demote_seen;
123
124 /* Since ac_nir_translate makes a local copy of ac_llvm_context, there
125 * are two ac_llvm_contexts. Declare a pointer here, so that the control
126 * flow stack is shared by both ac_llvm_contexts.
127 */
128 struct ac_llvm_flow_state *flow;
129
130 unsigned range_md_kind;
131 unsigned invariant_load_md_kind;
132 unsigned uniform_md_kind;
133 LLVMValueRef empty_md;
134
135 enum amd_gfx_level gfx_level;
136 enum radeon_family family;
137 bool has_3d_cube_border_color_mipmap;
138
139 unsigned wave_size;
140 unsigned ballot_mask_bits;
141
142 unsigned float_mode;
143
144 LLVMValueRef lds;
145 };
146
147 void ac_llvm_context_init(struct ac_llvm_context *ctx, struct ac_llvm_compiler *compiler,
148 enum amd_gfx_level gfx_level, enum radeon_family family,
149 bool has_3d_cube_border_color_mipmap,
150 enum ac_float_mode float_mode, unsigned wave_size,
151 unsigned ballot_mask_bits);
152
153 void ac_llvm_context_dispose(struct ac_llvm_context *ctx);
154
155 int ac_get_llvm_num_components(LLVMValueRef value);
156
157 int ac_get_elem_bits(struct ac_llvm_context *ctx, LLVMTypeRef type);
158
159 LLVMValueRef ac_llvm_extract_elem(struct ac_llvm_context *ac, LLVMValueRef value, int index);
160
161 unsigned ac_get_type_size(LLVMTypeRef type);
162
163 LLVMTypeRef ac_to_integer_type(struct ac_llvm_context *ctx, LLVMTypeRef t);
164 LLVMValueRef ac_to_integer(struct ac_llvm_context *ctx, LLVMValueRef v);
165 LLVMValueRef ac_to_integer_or_pointer(struct ac_llvm_context *ctx, LLVMValueRef v);
166 LLVMTypeRef ac_to_float_type(struct ac_llvm_context *ctx, LLVMTypeRef t);
167 LLVMValueRef ac_to_float(struct ac_llvm_context *ctx, LLVMValueRef v);
168
169 LLVMValueRef ac_build_intrinsic(struct ac_llvm_context *ctx, const char *name,
170 LLVMTypeRef return_type, LLVMValueRef *params, unsigned param_count,
171 unsigned attrib_mask);
172
173 void ac_build_type_name_for_intr(LLVMTypeRef type, char *buf, unsigned bufsize);
174
175 LLVMValueRef ac_build_phi(struct ac_llvm_context *ctx, LLVMTypeRef type, unsigned count_incoming,
176 LLVMValueRef *values, LLVMBasicBlockRef *blocks);
177
178 void ac_build_s_barrier(struct ac_llvm_context *ctx, gl_shader_stage stage);
179 void ac_build_optimization_barrier(struct ac_llvm_context *ctx, LLVMValueRef *pgpr, bool sgpr);
180
181 LLVMValueRef ac_build_shader_clock(struct ac_llvm_context *ctx, nir_scope scope);
182
183 LLVMValueRef ac_build_ballot(struct ac_llvm_context *ctx, LLVMValueRef value);
184 LLVMValueRef ac_get_i1_sgpr_mask(struct ac_llvm_context *ctx, LLVMValueRef value);
185
186 LLVMValueRef ac_build_vote_all(struct ac_llvm_context *ctx, LLVMValueRef value);
187
188 LLVMValueRef ac_build_vote_any(struct ac_llvm_context *ctx, LLVMValueRef value);
189
190 LLVMValueRef ac_build_vote_eq(struct ac_llvm_context *ctx, LLVMValueRef value);
191
192 LLVMValueRef ac_build_varying_gather_values(struct ac_llvm_context *ctx, LLVMValueRef *values,
193 unsigned value_count, unsigned component);
194
195 LLVMValueRef ac_build_gather_values_extended(struct ac_llvm_context *ctx, LLVMValueRef *values,
196 unsigned value_count, unsigned value_stride,
197 bool always_vector);
198 LLVMValueRef ac_build_gather_values(struct ac_llvm_context *ctx, LLVMValueRef *values,
199 unsigned value_count);
200
201 LLVMValueRef ac_build_concat(struct ac_llvm_context *ctx, LLVMValueRef a, LLVMValueRef b);
202
203 LLVMValueRef ac_extract_components(struct ac_llvm_context *ctx, LLVMValueRef value, unsigned start,
204 unsigned channels);
205
206 LLVMValueRef ac_build_expand(struct ac_llvm_context *ctx, LLVMValueRef value,
207 unsigned src_channels, unsigned dst_channels);
208
209 LLVMValueRef ac_build_expand_to_vec4(struct ac_llvm_context *ctx, LLVMValueRef value,
210 unsigned num_channels);
211 LLVMValueRef ac_build_round(struct ac_llvm_context *ctx, LLVMValueRef value);
212
213 LLVMValueRef ac_build_fdiv(struct ac_llvm_context *ctx, LLVMValueRef num, LLVMValueRef den);
214
215 LLVMValueRef ac_build_fast_udiv(struct ac_llvm_context *ctx, LLVMValueRef num,
216 LLVMValueRef multiplier, LLVMValueRef pre_shift,
217 LLVMValueRef post_shift, LLVMValueRef increment);
218 LLVMValueRef ac_build_fast_udiv_nuw(struct ac_llvm_context *ctx, LLVMValueRef num,
219 LLVMValueRef multiplier, LLVMValueRef pre_shift,
220 LLVMValueRef post_shift, LLVMValueRef increment);
221 LLVMValueRef ac_build_fast_udiv_u31_d_not_one(struct ac_llvm_context *ctx, LLVMValueRef num,
222 LLVMValueRef multiplier, LLVMValueRef post_shift);
223
224 void ac_prepare_cube_coords(struct ac_llvm_context *ctx, bool is_deriv, bool is_array, bool is_lod,
225 LLVMValueRef *coords_arg, LLVMValueRef *derivs_arg);
226
227 LLVMValueRef ac_build_fs_interp(struct ac_llvm_context *ctx, LLVMValueRef llvm_chan,
228 LLVMValueRef attr_number, LLVMValueRef params, LLVMValueRef i,
229 LLVMValueRef j);
230
231 LLVMValueRef ac_build_fs_interp_f16(struct ac_llvm_context *ctx, LLVMValueRef llvm_chan,
232 LLVMValueRef attr_number, LLVMValueRef params, LLVMValueRef i,
233 LLVMValueRef j, bool high_16bits);
234
235 LLVMValueRef ac_build_fs_interp_mov(struct ac_llvm_context *ctx, LLVMValueRef parameter,
236 LLVMValueRef llvm_chan, LLVMValueRef attr_number,
237 LLVMValueRef params);
238
239 LLVMValueRef ac_build_gep_ptr(struct ac_llvm_context *ctx, LLVMValueRef base_ptr,
240 LLVMValueRef index);
241
242 LLVMValueRef ac_build_gep0(struct ac_llvm_context *ctx, LLVMValueRef base_ptr, LLVMValueRef index);
243 LLVMValueRef ac_build_pointer_add(struct ac_llvm_context *ctx, LLVMValueRef ptr,
244 LLVMValueRef index);
245
246 void ac_build_indexed_store(struct ac_llvm_context *ctx, LLVMValueRef base_ptr, LLVMValueRef index,
247 LLVMValueRef value);
248
249 LLVMValueRef ac_build_load(struct ac_llvm_context *ctx, LLVMValueRef base_ptr, LLVMValueRef index);
250 LLVMValueRef ac_build_load_invariant(struct ac_llvm_context *ctx, LLVMValueRef base_ptr,
251 LLVMValueRef index);
252 LLVMValueRef ac_build_load_to_sgpr(struct ac_llvm_context *ctx, LLVMValueRef base_ptr,
253 LLVMValueRef index);
254 LLVMValueRef ac_build_load_to_sgpr_uint_wraparound(struct ac_llvm_context *ctx,
255 LLVMValueRef base_ptr, LLVMValueRef index);
256
257 void ac_build_buffer_store_dword(struct ac_llvm_context *ctx, LLVMValueRef rsrc, LLVMValueRef vdata,
258 LLVMValueRef vindex, LLVMValueRef voffset, LLVMValueRef soffset,
259 unsigned cache_policy);
260
261 void ac_build_buffer_store_format(struct ac_llvm_context *ctx, LLVMValueRef rsrc, LLVMValueRef data,
262 LLVMValueRef vindex, LLVMValueRef voffset, unsigned cache_policy);
263
264 LLVMValueRef ac_build_buffer_load(struct ac_llvm_context *ctx, LLVMValueRef rsrc, int num_channels,
265 LLVMValueRef vindex, LLVMValueRef voffset, LLVMValueRef soffset,
266 LLVMTypeRef channel_type, unsigned cache_policy,
267 bool can_speculate, bool allow_smem);
268
269 LLVMValueRef ac_build_buffer_load_format(struct ac_llvm_context *ctx, LLVMValueRef rsrc,
270 LLVMValueRef vindex, LLVMValueRef voffset,
271 unsigned num_channels, unsigned cache_policy,
272 bool can_speculate, bool d16, bool tfe);
273
274 LLVMValueRef ac_build_buffer_load_short(struct ac_llvm_context *ctx, LLVMValueRef rsrc,
275 LLVMValueRef voffset, LLVMValueRef soffset,
276 unsigned cache_policy);
277
278 LLVMValueRef ac_build_buffer_load_byte(struct ac_llvm_context *ctx, LLVMValueRef rsrc,
279 LLVMValueRef voffset, LLVMValueRef soffset,
280 unsigned cache_policy);
281
282 LLVMValueRef ac_build_struct_tbuffer_load(struct ac_llvm_context *ctx, LLVMValueRef rsrc,
283 LLVMValueRef vindex, LLVMValueRef voffset,
284 LLVMValueRef soffset, unsigned num_channels,
285 unsigned dfmt, unsigned nfmt, unsigned cache_policy,
286 bool can_speculate);
287
288 LLVMValueRef ac_build_opencoded_load_format(struct ac_llvm_context *ctx, unsigned log_size,
289 unsigned num_channels, unsigned format, bool reverse,
290 bool known_aligned, LLVMValueRef rsrc,
291 LLVMValueRef vindex, LLVMValueRef voffset,
292 LLVMValueRef soffset, unsigned cache_policy,
293 bool can_speculate);
294
295 void ac_build_buffer_store_short(struct ac_llvm_context *ctx, LLVMValueRef rsrc,
296 LLVMValueRef vdata, LLVMValueRef voffset, LLVMValueRef soffset,
297 unsigned cache_policy);
298
299 void ac_build_buffer_store_byte(struct ac_llvm_context *ctx, LLVMValueRef rsrc, LLVMValueRef vdata,
300 LLVMValueRef voffset, LLVMValueRef soffset, unsigned cache_policy);
301
302 void ac_set_range_metadata(struct ac_llvm_context *ctx, LLVMValueRef value, unsigned lo,
303 unsigned hi);
304 LLVMValueRef ac_get_thread_id(struct ac_llvm_context *ctx);
305
306 #define AC_TID_MASK_TOP_LEFT 0xfffffffc
307 #define AC_TID_MASK_TOP 0xfffffffd
308 #define AC_TID_MASK_LEFT 0xfffffffe
309
310 LLVMValueRef ac_build_ddxy(struct ac_llvm_context *ctx, uint32_t mask, int idx, LLVMValueRef val);
311
312 #define AC_SENDMSG_GS 2
313 #define AC_SENDMSG_GS_DONE 3
314 #define AC_SENDMSG_GS_ALLOC_REQ 9
315
316 #define AC_SENDMSG_GS_OP_NOP (0 << 4)
317 #define AC_SENDMSG_GS_OP_CUT (1 << 4)
318 #define AC_SENDMSG_GS_OP_EMIT (2 << 4)
319 #define AC_SENDMSG_GS_OP_EMIT_CUT (3 << 4)
320
321 void ac_build_sendmsg(struct ac_llvm_context *ctx, uint32_t msg, LLVMValueRef wave_id);
322
323 LLVMValueRef ac_build_imsb(struct ac_llvm_context *ctx, LLVMValueRef arg, LLVMTypeRef dst_type);
324
325 LLVMValueRef ac_build_umsb(struct ac_llvm_context *ctx, LLVMValueRef arg, LLVMTypeRef dst_type);
326 LLVMValueRef ac_build_fmin(struct ac_llvm_context *ctx, LLVMValueRef a, LLVMValueRef b);
327 LLVMValueRef ac_build_fmax(struct ac_llvm_context *ctx, LLVMValueRef a, LLVMValueRef b);
328 LLVMValueRef ac_build_imin(struct ac_llvm_context *ctx, LLVMValueRef a, LLVMValueRef b);
329 LLVMValueRef ac_build_imax(struct ac_llvm_context *ctx, LLVMValueRef a, LLVMValueRef b);
330 LLVMValueRef ac_build_umin(struct ac_llvm_context *ctx, LLVMValueRef a, LLVMValueRef b);
331 LLVMValueRef ac_build_umax(struct ac_llvm_context *ctx, LLVMValueRef a, LLVMValueRef b);
332 LLVMValueRef ac_build_clamp(struct ac_llvm_context *ctx, LLVMValueRef value);
333
334 struct ac_export_args {
335 LLVMValueRef out[4];
336 unsigned target;
337 unsigned enabled_channels;
338 bool compr;
339 bool done;
340 bool valid_mask;
341 };
342
343 void ac_build_export(struct ac_llvm_context *ctx, struct ac_export_args *a);
344
345 void ac_build_export_null(struct ac_llvm_context *ctx, bool uses_discard);
346
347 enum ac_image_opcode
348 {
349 ac_image_sample,
350 ac_image_gather4,
351 ac_image_load,
352 ac_image_load_mip,
353 ac_image_store,
354 ac_image_store_mip,
355 ac_image_get_lod,
356 ac_image_get_resinfo,
357 ac_image_atomic,
358 ac_image_atomic_cmpswap,
359 };
360
361 enum ac_atomic_op
362 {
363 ac_atomic_swap,
364 ac_atomic_add,
365 ac_atomic_sub,
366 ac_atomic_smin,
367 ac_atomic_umin,
368 ac_atomic_smax,
369 ac_atomic_umax,
370 ac_atomic_and,
371 ac_atomic_or,
372 ac_atomic_xor,
373 ac_atomic_inc_wrap,
374 ac_atomic_dec_wrap,
375 ac_atomic_fmin,
376 ac_atomic_fmax,
377 };
378
379 /* These cache policy bits match the definitions used by the LLVM intrinsics. */
380 enum ac_image_cache_policy
381 {
382 ac_glc = 1 << 0, /* per-CU cache control */
383 ac_slc = 1 << 1, /* global L2 cache control */
384 ac_dlc = 1 << 2, /* per-shader-array cache control */
385 ac_swizzled = 1 << 3, /* the access is swizzled, disabling load/store merging */
386 };
387
388 struct ac_image_args {
389 enum ac_image_opcode opcode;
390 enum ac_atomic_op atomic; /* for the ac_image_atomic opcode */
391 enum ac_image_dim dim;
392 unsigned dmask : 4;
393 unsigned cache_policy : 3;
394 bool unorm : 1;
395 bool level_zero : 1;
396 bool d16 : 1; /* GFX8+: data and return values are 16-bit */
397 bool a16 : 1; /* GFX9+: address components except compare, offset and bias are 16-bit */
398 bool g16 : 1; /* GFX10+: derivatives are 16-bit; GFX<=9: must be equal to a16 */
399 bool tfe : 1;
400 unsigned attributes; /* additional call-site specific AC_FUNC_ATTRs */
401
402 LLVMValueRef resource;
403 LLVMValueRef sampler;
404 LLVMValueRef data[2]; /* data[0] is source data (vector); data[1] is cmp for cmpswap */
405 LLVMValueRef offset;
406 LLVMValueRef bias;
407 LLVMValueRef compare;
408 LLVMValueRef derivs[6];
409 LLVMValueRef coords[4];
410 LLVMValueRef lod; // also used by ac_image_get_resinfo
411 LLVMValueRef min_lod;
412 };
413
414 LLVMValueRef ac_build_image_opcode(struct ac_llvm_context *ctx, struct ac_image_args *a);
415 LLVMValueRef ac_build_image_get_sample_count(struct ac_llvm_context *ctx, LLVMValueRef rsrc);
416 LLVMValueRef ac_build_cvt_pkrtz_f16(struct ac_llvm_context *ctx, LLVMValueRef args[2]);
417 LLVMValueRef ac_build_cvt_pknorm_i16(struct ac_llvm_context *ctx, LLVMValueRef args[2]);
418 LLVMValueRef ac_build_cvt_pknorm_u16(struct ac_llvm_context *ctx, LLVMValueRef args[2]);
419 LLVMValueRef ac_build_cvt_pknorm_i16_f16(struct ac_llvm_context *ctx, LLVMValueRef args[2]);
420 LLVMValueRef ac_build_cvt_pknorm_u16_f16(struct ac_llvm_context *ctx, LLVMValueRef args[2]);
421 LLVMValueRef ac_build_cvt_pk_i16(struct ac_llvm_context *ctx, LLVMValueRef args[2], unsigned bits,
422 bool hi);
423 LLVMValueRef ac_build_cvt_pk_u16(struct ac_llvm_context *ctx, LLVMValueRef args[2], unsigned bits,
424 bool hi);
425 LLVMValueRef ac_build_wqm_vote(struct ac_llvm_context *ctx, LLVMValueRef i1);
426 void ac_build_kill_if_false(struct ac_llvm_context *ctx, LLVMValueRef i1);
427 LLVMValueRef ac_build_bfe(struct ac_llvm_context *ctx, LLVMValueRef input, LLVMValueRef offset,
428 LLVMValueRef width, bool is_signed);
429 LLVMValueRef ac_build_imad(struct ac_llvm_context *ctx, LLVMValueRef s0, LLVMValueRef s1,
430 LLVMValueRef s2);
431 LLVMValueRef ac_build_fmad(struct ac_llvm_context *ctx, LLVMValueRef s0, LLVMValueRef s1,
432 LLVMValueRef s2);
433
434 void ac_build_waitcnt(struct ac_llvm_context *ctx, unsigned wait_flags);
435
436 LLVMValueRef ac_build_fract(struct ac_llvm_context *ctx, LLVMValueRef src0, unsigned bitsize);
437 LLVMValueRef ac_const_uint_vec(struct ac_llvm_context *ctx, LLVMTypeRef type, uint64_t value);
438 LLVMValueRef ac_build_isign(struct ac_llvm_context *ctx, LLVMValueRef src0);
439 LLVMValueRef ac_build_fsign(struct ac_llvm_context *ctx, LLVMValueRef src);
440 LLVMValueRef ac_build_bit_count(struct ac_llvm_context *ctx, LLVMValueRef src0);
441
442 LLVMValueRef ac_build_fsat(struct ac_llvm_context *ctx, LLVMValueRef src,
443 LLVMTypeRef type);
444
445 LLVMValueRef ac_build_bitfield_reverse(struct ac_llvm_context *ctx, LLVMValueRef src0);
446
447 void ac_init_exec_full_mask(struct ac_llvm_context *ctx);
448
449 void ac_declare_lds_as_pointer(struct ac_llvm_context *ac);
450 LLVMValueRef ac_lds_load(struct ac_llvm_context *ctx, LLVMValueRef dw_addr);
451 void ac_lds_store(struct ac_llvm_context *ctx, LLVMValueRef dw_addr, LLVMValueRef value);
452
453 LLVMValueRef ac_find_lsb(struct ac_llvm_context *ctx, LLVMTypeRef dst_type, LLVMValueRef src0);
454
455 LLVMTypeRef ac_array_in_const_addr_space(LLVMTypeRef elem_type);
456 LLVMTypeRef ac_array_in_const32_addr_space(LLVMTypeRef elem_type);
457
458 void ac_build_bgnloop(struct ac_llvm_context *ctx, int lable_id);
459 void ac_build_break(struct ac_llvm_context *ctx);
460 void ac_build_continue(struct ac_llvm_context *ctx);
461 void ac_build_else(struct ac_llvm_context *ctx, int lable_id);
462 void ac_build_endif(struct ac_llvm_context *ctx, int lable_id);
463 void ac_build_endloop(struct ac_llvm_context *ctx, int lable_id);
464 void ac_build_ifcc(struct ac_llvm_context *ctx, LLVMValueRef cond, int label_id);
465
466 LLVMValueRef ac_build_alloca(struct ac_llvm_context *ac, LLVMTypeRef type, const char *name);
467 LLVMValueRef ac_build_alloca_undef(struct ac_llvm_context *ac, LLVMTypeRef type, const char *name);
468 LLVMValueRef ac_build_alloca_init(struct ac_llvm_context *ac, LLVMValueRef val, const char *name);
469
470 LLVMValueRef ac_cast_ptr(struct ac_llvm_context *ctx, LLVMValueRef ptr, LLVMTypeRef type);
471
472 LLVMValueRef ac_trim_vector(struct ac_llvm_context *ctx, LLVMValueRef value, unsigned count);
473
474 LLVMValueRef ac_unpack_param(struct ac_llvm_context *ctx, LLVMValueRef param, unsigned rshift,
475 unsigned bitwidth);
476
477 void ac_apply_fmask_to_sample(struct ac_llvm_context *ac, LLVMValueRef fmask, LLVMValueRef *addr,
478 bool is_array_tex);
479
480 LLVMValueRef ac_build_ds_swizzle(struct ac_llvm_context *ctx, LLVMValueRef src, unsigned mask);
481
482 LLVMValueRef ac_build_readlane_no_opt_barrier(struct ac_llvm_context *ctx, LLVMValueRef src,
483 LLVMValueRef lane);
484
485 LLVMValueRef ac_build_readlane(struct ac_llvm_context *ctx, LLVMValueRef src, LLVMValueRef lane);
486
487 LLVMValueRef ac_build_writelane(struct ac_llvm_context *ctx, LLVMValueRef src, LLVMValueRef value,
488 LLVMValueRef lane);
489
490 LLVMValueRef ac_build_mbcnt_add(struct ac_llvm_context *ctx, LLVMValueRef mask, LLVMValueRef add_src);
491 LLVMValueRef ac_build_mbcnt(struct ac_llvm_context *ctx, LLVMValueRef mask);
492
493 LLVMValueRef ac_build_inclusive_scan(struct ac_llvm_context *ctx, LLVMValueRef src, nir_op op);
494
495 LLVMValueRef ac_build_exclusive_scan(struct ac_llvm_context *ctx, LLVMValueRef src, nir_op op);
496
497 LLVMValueRef ac_build_reduce(struct ac_llvm_context *ctx, LLVMValueRef src, nir_op op,
498 unsigned cluster_size);
499
500 /**
501 * Common arguments for a scan/reduce operation that accumulates per-wave
502 * values across an entire workgroup, while respecting the order of waves.
503 */
504 struct ac_wg_scan {
505 gl_shader_stage stage;
506 bool enable_reduce;
507 bool enable_exclusive;
508 bool enable_inclusive;
509 nir_op op;
510 LLVMValueRef src; /* clobbered! */
511 LLVMValueRef result_reduce;
512 LLVMValueRef result_exclusive;
513 LLVMValueRef result_inclusive;
514 LLVMValueRef extra;
515 LLVMValueRef waveidx;
516 LLVMValueRef numwaves; /* only needed for "reduce" operations */
517
518 /* T addrspace(LDS) pointer to the same type as value, at least maxwaves entries */
519 LLVMValueRef scratch;
520 unsigned maxwaves;
521 };
522
523 void ac_build_wg_wavescan_top(struct ac_llvm_context *ctx, struct ac_wg_scan *ws);
524 void ac_build_wg_wavescan_bottom(struct ac_llvm_context *ctx, struct ac_wg_scan *ws);
525 void ac_build_wg_wavescan(struct ac_llvm_context *ctx, struct ac_wg_scan *ws);
526
527 void ac_build_wg_scan_top(struct ac_llvm_context *ctx, struct ac_wg_scan *ws);
528 void ac_build_wg_scan_bottom(struct ac_llvm_context *ctx, struct ac_wg_scan *ws);
529 void ac_build_wg_scan(struct ac_llvm_context *ctx, struct ac_wg_scan *ws);
530
531 LLVMValueRef ac_build_quad_swizzle(struct ac_llvm_context *ctx, LLVMValueRef src, unsigned lane0,
532 unsigned lane1, unsigned lane2, unsigned lane3);
533
534 LLVMValueRef ac_build_shuffle(struct ac_llvm_context *ctx, LLVMValueRef src, LLVMValueRef index);
535
536 LLVMValueRef ac_build_frexp_exp(struct ac_llvm_context *ctx, LLVMValueRef src0, unsigned bitsize);
537
538 LLVMValueRef ac_build_frexp_mant(struct ac_llvm_context *ctx, LLVMValueRef src0, unsigned bitsize);
539
540 LLVMValueRef ac_build_canonicalize(struct ac_llvm_context *ctx, LLVMValueRef src0,
541 unsigned bitsize);
542
543 LLVMValueRef ac_build_ddxy_interp(struct ac_llvm_context *ctx, LLVMValueRef interp_ij);
544
545 LLVMValueRef ac_build_load_helper_invocation(struct ac_llvm_context *ctx);
546
547 LLVMValueRef ac_build_is_helper_invocation(struct ac_llvm_context *ctx);
548
549 LLVMValueRef ac_build_call(struct ac_llvm_context *ctx, LLVMValueRef func, LLVMValueRef *args,
550 unsigned num_args);
551
552 LLVMValueRef ac_build_atomic_rmw(struct ac_llvm_context *ctx, LLVMAtomicRMWBinOp op,
553 LLVMValueRef ptr, LLVMValueRef val, const char *sync_scope);
554
555 LLVMValueRef ac_build_atomic_cmp_xchg(struct ac_llvm_context *ctx, LLVMValueRef ptr,
556 LLVMValueRef cmp, LLVMValueRef val, const char *sync_scope);
557
558 void ac_export_mrt_z(struct ac_llvm_context *ctx, LLVMValueRef depth, LLVMValueRef stencil,
559 LLVMValueRef samplemask, LLVMValueRef mrt0_alpha, bool is_last,
560 struct ac_export_args *args);
561
562 void ac_build_sendmsg_gs_alloc_req(struct ac_llvm_context *ctx, LLVMValueRef wave_id,
563 LLVMValueRef vtx_cnt, LLVMValueRef prim_cnt);
564
565 struct ac_ngg_prim {
566 unsigned num_vertices;
567 LLVMValueRef isnull;
568 LLVMValueRef index[3];
569 LLVMValueRef edgeflags;
570 LLVMValueRef passthrough;
571 };
572
573 LLVMValueRef ac_pack_edgeflags_for_export(struct ac_llvm_context *ctx,
574 const struct ac_shader_args *args);
575 LLVMValueRef ac_pack_prim_export(struct ac_llvm_context *ctx, const struct ac_ngg_prim *prim);
576 void ac_build_export_prim(struct ac_llvm_context *ctx, const struct ac_ngg_prim *prim);
577
ac_get_arg(struct ac_llvm_context * ctx,struct ac_arg arg)578 static inline LLVMValueRef ac_get_arg(struct ac_llvm_context *ctx, struct ac_arg arg)
579 {
580 assert(arg.used);
581 return LLVMGetParam(ctx->main_function, arg.arg_index);
582 }
583
584 enum ac_llvm_calling_convention
585 {
586 AC_LLVM_AMDGPU_VS = 87,
587 AC_LLVM_AMDGPU_GS = 88,
588 AC_LLVM_AMDGPU_PS = 89,
589 AC_LLVM_AMDGPU_CS = 90,
590 AC_LLVM_AMDGPU_HS = 93,
591 };
592
593 LLVMValueRef ac_build_main(const struct ac_shader_args *args, struct ac_llvm_context *ctx,
594 enum ac_llvm_calling_convention convention, const char *name,
595 LLVMTypeRef ret_type, LLVMModuleRef module);
596 void ac_build_s_endpgm(struct ac_llvm_context *ctx);
597
598 void ac_build_triangle_strip_indices_to_triangle(struct ac_llvm_context *ctx, LLVMValueRef is_odd,
599 LLVMValueRef flatshade_first,
600 LLVMValueRef index[3]);
601 LLVMValueRef ac_build_is_inf_or_nan(struct ac_llvm_context *ctx, LLVMValueRef a);
602
603 void ac_build_dual_src_blend_swizzle(struct ac_llvm_context *ctx,
604 struct ac_export_args *mrt0,
605 struct ac_export_args *mrt1);
606
607 #ifdef __cplusplus
608 }
609 #endif
610
611 #endif
612