CoCalc -- ac_llvm

GitHub Repository: PojavLauncherTeam/mesa
Path: blob/21.2-virgl/src/amd/llvm/ac_llvm_build.h
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/*
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 * Copyright 2016 Bas Nieuwenhuizen
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 *
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 * Permission is hereby granted, free of charge, to any person obtaining a
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 * copy of this software and associated documentation files (the
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 * "Software"), to deal in the Software without restriction, including
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 * without limitation the rights to use, copy, modify, merge, publish,
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 * distribute, sub license, and/or sell copies of the Software, and to
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 * permit persons to whom the Software is furnished to do so, subject to
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 * the following conditions:
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 *
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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
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 * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
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 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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 * USE OR OTHER DEALINGS IN THE SOFTWARE.
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 *
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 * The above copyright notice and this permission notice (including the
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 * next paragraph) shall be included in all copies or substantial portions
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 * of the Software.
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 *
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 */
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#ifndef AC_LLVM_BUILD_H
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#define AC_LLVM_BUILD_H
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#include "ac_llvm_util.h"
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#include "ac_shader_abi.h"
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#include "ac_shader_args.h"
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#include "ac_shader_util.h"
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#include "amd_family.h"
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#include "compiler/nir/nir.h"
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#include <llvm-c/Core.h>
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#include <stdbool.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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enum
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{
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   AC_ADDR_SPACE_FLAT = 0, /* Slower than global. */
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   AC_ADDR_SPACE_GLOBAL = 1,
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   AC_ADDR_SPACE_GDS = 2,
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   AC_ADDR_SPACE_LDS = 3,
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   AC_ADDR_SPACE_CONST = 4,       /* Global allowing SMEM. */
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   AC_ADDR_SPACE_CONST_32BIT = 6, /* same as CONST, but the pointer type has 32 bits */
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};
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#define AC_WAIT_LGKM   (1 << 0) /* LDS, GDS, constant, message */
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#define AC_WAIT_VLOAD  (1 << 1) /* VMEM load/sample instructions */
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#define AC_WAIT_VSTORE (1 << 2) /* VMEM store instructions */
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struct ac_llvm_flow;
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struct ac_llvm_compiler;
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struct ac_llvm_flow_state {
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   struct ac_llvm_flow *stack;
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   unsigned depth_max;
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   unsigned depth;
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};
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struct ac_llvm_context {
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   LLVMContextRef context;
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   LLVMModuleRef module;
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   LLVMBuilderRef builder;
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   LLVMValueRef main_function;
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   LLVMTypeRef voidt;
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   LLVMTypeRef i1;
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   LLVMTypeRef i8;
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   LLVMTypeRef i16;
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   LLVMTypeRef i32;
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   LLVMTypeRef i64;
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   LLVMTypeRef i128;
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   LLVMTypeRef intptr;
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   LLVMTypeRef f16;
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   LLVMTypeRef f32;
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   LLVMTypeRef f64;
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   LLVMTypeRef v2i16;
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   LLVMTypeRef v4i16;
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   LLVMTypeRef v2f16;
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   LLVMTypeRef v4f16;
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   LLVMTypeRef v2i32;
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   LLVMTypeRef v3i32;
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   LLVMTypeRef v4i32;
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   LLVMTypeRef v2f32;
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   LLVMTypeRef v3f32;
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   LLVMTypeRef v4f32;
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   LLVMTypeRef v8i32;
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   LLVMTypeRef iN_wavemask;
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   LLVMTypeRef iN_ballotmask;
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   LLVMValueRef i8_0;
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   LLVMValueRef i8_1;
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   LLVMValueRef i16_0;
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   LLVMValueRef i16_1;
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   LLVMValueRef i32_0;
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   LLVMValueRef i32_1;
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   LLVMValueRef i64_0;
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   LLVMValueRef i64_1;
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   LLVMValueRef i128_0;
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   LLVMValueRef i128_1;
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   LLVMValueRef f16_0;
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   LLVMValueRef f16_1;
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   LLVMValueRef f32_0;
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   LLVMValueRef f32_1;
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   LLVMValueRef f64_0;
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   LLVMValueRef f64_1;
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   LLVMValueRef i1true;
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   LLVMValueRef i1false;
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   /* Temporary helper to implement demote_to_helper:
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    * True = live lanes
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    * False = demoted lanes
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    */
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   LLVMValueRef postponed_kill;
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   bool conditional_demote_seen;
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   /* Since ac_nir_translate makes a local copy of ac_llvm_context, there
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    * are two ac_llvm_contexts. Declare a pointer here, so that the control
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    * flow stack is shared by both ac_llvm_contexts.
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    */
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   struct ac_llvm_flow_state *flow;
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   unsigned range_md_kind;
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   unsigned invariant_load_md_kind;
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   unsigned uniform_md_kind;
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   LLVMValueRef empty_md;
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   enum chip_class chip_class;
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   enum radeon_family family;
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   const struct radeon_info *info;
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   unsigned wave_size;
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   unsigned ballot_mask_bits;
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   unsigned float_mode;
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   LLVMValueRef lds;
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};
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void ac_llvm_context_init(struct ac_llvm_context *ctx, struct ac_llvm_compiler *compiler,
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                          enum chip_class chip_class, enum radeon_family family,
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                          const struct radeon_info *info,
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                          enum ac_float_mode float_mode, unsigned wave_size,
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                          unsigned ballot_mask_bits);
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void ac_llvm_context_dispose(struct ac_llvm_context *ctx);
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int ac_get_llvm_num_components(LLVMValueRef value);
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int ac_get_elem_bits(struct ac_llvm_context *ctx, LLVMTypeRef type);
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LLVMValueRef ac_llvm_extract_elem(struct ac_llvm_context *ac, LLVMValueRef value, int index);
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unsigned ac_get_type_size(LLVMTypeRef type);
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LLVMTypeRef ac_to_integer_type(struct ac_llvm_context *ctx, LLVMTypeRef t);
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LLVMValueRef ac_to_integer(struct ac_llvm_context *ctx, LLVMValueRef v);
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LLVMValueRef ac_to_integer_or_pointer(struct ac_llvm_context *ctx, LLVMValueRef v);
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LLVMTypeRef ac_to_float_type(struct ac_llvm_context *ctx, LLVMTypeRef t);
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LLVMValueRef ac_to_float(struct ac_llvm_context *ctx, LLVMValueRef v);
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LLVMValueRef ac_build_intrinsic(struct ac_llvm_context *ctx, const char *name,
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                                LLVMTypeRef return_type, LLVMValueRef *params, unsigned param_count,
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                                unsigned attrib_mask);
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void ac_build_type_name_for_intr(LLVMTypeRef type, char *buf, unsigned bufsize);
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LLVMValueRef ac_build_phi(struct ac_llvm_context *ctx, LLVMTypeRef type, unsigned count_incoming,
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                          LLVMValueRef *values, LLVMBasicBlockRef *blocks);
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void ac_build_s_barrier(struct ac_llvm_context *ctx);
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void ac_build_optimization_barrier(struct ac_llvm_context *ctx, LLVMValueRef *pgpr, bool sgpr);
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LLVMValueRef ac_build_shader_clock(struct ac_llvm_context *ctx, nir_scope scope);
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LLVMValueRef ac_build_ballot(struct ac_llvm_context *ctx, LLVMValueRef value);
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LLVMValueRef ac_get_i1_sgpr_mask(struct ac_llvm_context *ctx, LLVMValueRef value);
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LLVMValueRef ac_build_vote_all(struct ac_llvm_context *ctx, LLVMValueRef value);
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LLVMValueRef ac_build_vote_any(struct ac_llvm_context *ctx, LLVMValueRef value);
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LLVMValueRef ac_build_vote_eq(struct ac_llvm_context *ctx, LLVMValueRef value);
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LLVMValueRef ac_build_varying_gather_values(struct ac_llvm_context *ctx, LLVMValueRef *values,
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                                            unsigned value_count, unsigned component);
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LLVMValueRef ac_build_gather_values_extended(struct ac_llvm_context *ctx, LLVMValueRef *values,
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                                             unsigned value_count, unsigned value_stride, bool load,
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                                             bool always_vector);
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LLVMValueRef ac_build_gather_values(struct ac_llvm_context *ctx, LLVMValueRef *values,
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                                    unsigned value_count);
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LLVMValueRef ac_build_concat(struct ac_llvm_context *ctx, LLVMValueRef a, LLVMValueRef b);
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LLVMValueRef ac_extract_components(struct ac_llvm_context *ctx, LLVMValueRef value, unsigned start,
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                                   unsigned channels);
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LLVMValueRef ac_build_expand(struct ac_llvm_context *ctx, LLVMValueRef value,
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                             unsigned src_channels, unsigned dst_channels);
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LLVMValueRef ac_build_expand_to_vec4(struct ac_llvm_context *ctx, LLVMValueRef value,
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                                     unsigned num_channels);
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LLVMValueRef ac_build_round(struct ac_llvm_context *ctx, LLVMValueRef value);
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LLVMValueRef ac_build_fdiv(struct ac_llvm_context *ctx, LLVMValueRef num, LLVMValueRef den);
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LLVMValueRef ac_build_fast_udiv(struct ac_llvm_context *ctx, LLVMValueRef num,
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                                LLVMValueRef multiplier, LLVMValueRef pre_shift,
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                                LLVMValueRef post_shift, LLVMValueRef increment);
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LLVMValueRef ac_build_fast_udiv_nuw(struct ac_llvm_context *ctx, LLVMValueRef num,
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                                    LLVMValueRef multiplier, LLVMValueRef pre_shift,
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                                    LLVMValueRef post_shift, LLVMValueRef increment);
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LLVMValueRef ac_build_fast_udiv_u31_d_not_one(struct ac_llvm_context *ctx, LLVMValueRef num,
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                                              LLVMValueRef multiplier, LLVMValueRef post_shift);
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void ac_prepare_cube_coords(struct ac_llvm_context *ctx, bool is_deriv, bool is_array, bool is_lod,
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                            LLVMValueRef *coords_arg, LLVMValueRef *derivs_arg);
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LLVMValueRef ac_build_fs_interp(struct ac_llvm_context *ctx, LLVMValueRef llvm_chan,
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                                LLVMValueRef attr_number, LLVMValueRef params, LLVMValueRef i,
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                                LLVMValueRef j);
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LLVMValueRef ac_build_fs_interp_f16(struct ac_llvm_context *ctx, LLVMValueRef llvm_chan,
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                                    LLVMValueRef attr_number, LLVMValueRef params, LLVMValueRef i,
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                                    LLVMValueRef j, bool high_16bits);
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LLVMValueRef ac_build_fs_interp_mov(struct ac_llvm_context *ctx, LLVMValueRef parameter,
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                                    LLVMValueRef llvm_chan, LLVMValueRef attr_number,
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                                    LLVMValueRef params);
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LLVMValueRef ac_build_gep_ptr(struct ac_llvm_context *ctx, LLVMValueRef base_ptr,
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                              LLVMValueRef index);
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LLVMValueRef ac_build_gep0(struct ac_llvm_context *ctx, LLVMValueRef base_ptr, LLVMValueRef index);
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LLVMValueRef ac_build_pointer_add(struct ac_llvm_context *ctx, LLVMValueRef ptr,
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                                  LLVMValueRef index);
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void ac_build_indexed_store(struct ac_llvm_context *ctx, LLVMValueRef base_ptr, LLVMValueRef index,
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                            LLVMValueRef value);
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LLVMValueRef ac_build_load(struct ac_llvm_context *ctx, LLVMValueRef base_ptr, LLVMValueRef index);
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LLVMValueRef ac_build_load_invariant(struct ac_llvm_context *ctx, LLVMValueRef base_ptr,
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                                     LLVMValueRef index);
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LLVMValueRef ac_build_load_to_sgpr(struct ac_llvm_context *ctx, LLVMValueRef base_ptr,
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                                   LLVMValueRef index);
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LLVMValueRef ac_build_load_to_sgpr_uint_wraparound(struct ac_llvm_context *ctx,
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                                                   LLVMValueRef base_ptr, LLVMValueRef index);
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void ac_build_buffer_store_dword(struct ac_llvm_context *ctx, LLVMValueRef rsrc, LLVMValueRef vdata,
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                                 unsigned num_channels, LLVMValueRef voffset, LLVMValueRef soffset,
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                                 unsigned inst_offset, unsigned cache_policy);
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void ac_build_buffer_store_format(struct ac_llvm_context *ctx, LLVMValueRef rsrc, LLVMValueRef data,
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                                  LLVMValueRef vindex, LLVMValueRef voffset, unsigned cache_policy);
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LLVMValueRef ac_build_buffer_load(struct ac_llvm_context *ctx, LLVMValueRef rsrc, int num_channels,
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                                  LLVMValueRef vindex, LLVMValueRef voffset, LLVMValueRef soffset,
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                                  unsigned inst_offset, LLVMTypeRef channel_type,
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                                  unsigned cache_policy, bool can_speculate, bool allow_smem);
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LLVMValueRef ac_build_buffer_load_format(struct ac_llvm_context *ctx, LLVMValueRef rsrc,
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                                         LLVMValueRef vindex, LLVMValueRef voffset,
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                                         unsigned num_channels, unsigned cache_policy,
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                                         bool can_speculate, bool d16, bool tfe);
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LLVMValueRef ac_build_tbuffer_load_short(struct ac_llvm_context *ctx, LLVMValueRef rsrc,
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                                         LLVMValueRef voffset, LLVMValueRef soffset,
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                                         LLVMValueRef immoffset, unsigned cache_policy);
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LLVMValueRef ac_build_tbuffer_load_byte(struct ac_llvm_context *ctx, LLVMValueRef rsrc,
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                                        LLVMValueRef voffset, LLVMValueRef soffset,
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                                        LLVMValueRef immoffset, unsigned cache_policy);
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LLVMValueRef ac_build_struct_tbuffer_load(struct ac_llvm_context *ctx, LLVMValueRef rsrc,
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                                          LLVMValueRef vindex, LLVMValueRef voffset,
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                                          LLVMValueRef soffset, LLVMValueRef immoffset,
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                                          unsigned num_channels, unsigned dfmt, unsigned nfmt,
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                                          unsigned cache_policy, bool can_speculate);
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LLVMValueRef ac_build_raw_tbuffer_load(struct ac_llvm_context *ctx, LLVMValueRef rsrc,
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                                       LLVMValueRef voffset, LLVMValueRef soffset,
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                                       LLVMValueRef immoffset, unsigned num_channels, unsigned dfmt,
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                                       unsigned nfmt, unsigned cache_policy, bool can_speculate);
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LLVMValueRef ac_build_opencoded_load_format(struct ac_llvm_context *ctx, unsigned log_size,
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                                            unsigned num_channels, unsigned format, bool reverse,
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                                            bool known_aligned, LLVMValueRef rsrc,
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                                            LLVMValueRef vindex, LLVMValueRef voffset,
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                                            LLVMValueRef soffset, unsigned cache_policy,
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                                            bool can_speculate);
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void ac_build_tbuffer_store_short(struct ac_llvm_context *ctx, LLVMValueRef rsrc,
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                                  LLVMValueRef vdata, LLVMValueRef voffset, LLVMValueRef soffset,
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                                  unsigned cache_policy);
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void ac_build_tbuffer_store_byte(struct ac_llvm_context *ctx, LLVMValueRef rsrc, LLVMValueRef vdata,
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                                 LLVMValueRef voffset, LLVMValueRef soffset, unsigned cache_policy);
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void ac_build_struct_tbuffer_store(struct ac_llvm_context *ctx, LLVMValueRef rsrc,
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                                   LLVMValueRef vdata, LLVMValueRef vindex, LLVMValueRef voffset,
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                                   LLVMValueRef soffset, LLVMValueRef immoffset,
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                                   unsigned num_channels, unsigned dfmt, unsigned nfmt,
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                                   unsigned cache_policy);
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void ac_build_raw_tbuffer_store(struct ac_llvm_context *ctx, LLVMValueRef rsrc, LLVMValueRef vdata,
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                                LLVMValueRef voffset, LLVMValueRef soffset, LLVMValueRef immoffset,
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                                unsigned num_channels, unsigned dfmt, unsigned nfmt,
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                                unsigned cache_policy);
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void ac_set_range_metadata(struct ac_llvm_context *ctx, LLVMValueRef value, unsigned lo,
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                           unsigned hi);
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LLVMValueRef ac_get_thread_id(struct ac_llvm_context *ctx);
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#define AC_TID_MASK_TOP_LEFT 0xfffffffc
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#define AC_TID_MASK_TOP      0xfffffffd
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#define AC_TID_MASK_LEFT     0xfffffffe
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LLVMValueRef ac_build_ddxy(struct ac_llvm_context *ctx, uint32_t mask, int idx, LLVMValueRef val);
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#define AC_SENDMSG_GS           2
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#define AC_SENDMSG_GS_DONE      3
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#define AC_SENDMSG_GS_ALLOC_REQ 9
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#define AC_SENDMSG_GS_OP_NOP      (0 << 4)
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#define AC_SENDMSG_GS_OP_CUT      (1 << 4)
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#define AC_SENDMSG_GS_OP_EMIT     (2 << 4)
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#define AC_SENDMSG_GS_OP_EMIT_CUT (3 << 4)
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void ac_build_sendmsg(struct ac_llvm_context *ctx, uint32_t msg, LLVMValueRef wave_id);
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LLVMValueRef ac_build_imsb(struct ac_llvm_context *ctx, LLVMValueRef arg, LLVMTypeRef dst_type);
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LLVMValueRef ac_build_umsb(struct ac_llvm_context *ctx, LLVMValueRef arg, LLVMTypeRef dst_type);
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LLVMValueRef ac_build_fmin(struct ac_llvm_context *ctx, LLVMValueRef a, LLVMValueRef b);
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LLVMValueRef ac_build_fmax(struct ac_llvm_context *ctx, LLVMValueRef a, LLVMValueRef b);
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LLVMValueRef ac_build_imin(struct ac_llvm_context *ctx, LLVMValueRef a, LLVMValueRef b);
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LLVMValueRef ac_build_imax(struct ac_llvm_context *ctx, LLVMValueRef a, LLVMValueRef b);
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LLVMValueRef ac_build_umin(struct ac_llvm_context *ctx, LLVMValueRef a, LLVMValueRef b);
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LLVMValueRef ac_build_umax(struct ac_llvm_context *ctx, LLVMValueRef a, LLVMValueRef b);
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LLVMValueRef ac_build_clamp(struct ac_llvm_context *ctx, LLVMValueRef value);
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struct ac_export_args {
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   LLVMValueRef out[4];
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   unsigned target;
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   unsigned enabled_channels;
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   bool compr;
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   bool done;
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   bool valid_mask;
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};
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void ac_build_export(struct ac_llvm_context *ctx, struct ac_export_args *a);
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void ac_build_export_null(struct ac_llvm_context *ctx);
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enum ac_image_opcode
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{
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   ac_image_sample,
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   ac_image_gather4,
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   ac_image_load,
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   ac_image_load_mip,
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   ac_image_store,
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   ac_image_store_mip,
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   ac_image_get_lod,
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   ac_image_get_resinfo,
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   ac_image_atomic,
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   ac_image_atomic_cmpswap,
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};
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enum ac_atomic_op
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{
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   ac_atomic_swap,
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   ac_atomic_add,
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   ac_atomic_sub,
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   ac_atomic_smin,
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   ac_atomic_umin,
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   ac_atomic_smax,
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   ac_atomic_umax,
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   ac_atomic_and,
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   ac_atomic_or,
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   ac_atomic_xor,
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   ac_atomic_inc_wrap,
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   ac_atomic_dec_wrap,
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};
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/* These cache policy bits match the definitions used by the LLVM intrinsics. */
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enum ac_image_cache_policy
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{
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   ac_glc = 1 << 0,      /* per-CU cache control */
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   ac_slc = 1 << 1,      /* global L2 cache control */
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   ac_dlc = 1 << 2,      /* per-shader-array cache control */
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   ac_swizzled = 1 << 3, /* the access is swizzled, disabling load/store merging */
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};
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struct ac_image_args {
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   enum ac_image_opcode opcode;
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   enum ac_atomic_op atomic; /* for the ac_image_atomic opcode */
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   enum ac_image_dim dim;
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   unsigned dmask : 4;
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   unsigned cache_policy : 3;
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   bool unorm : 1;
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   bool level_zero : 1;
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   bool d16 : 1;        /* GFX8+: data and return values are 16-bit */
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   bool a16 : 1;        /* GFX9+: address components except compare, offset and bias are 16-bit */
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   bool g16 : 1;        /* GFX10+: derivatives are 16-bit; GFX<=9: must be equal to a16 */
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   bool tfe : 1;
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   unsigned attributes; /* additional call-site specific AC_FUNC_ATTRs */
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   LLVMValueRef resource;
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   LLVMValueRef sampler;
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   LLVMValueRef data[2]; /* data[0] is source data (vector); data[1] is cmp for cmpswap */
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   LLVMValueRef offset;
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   LLVMValueRef bias;
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   LLVMValueRef compare;
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   LLVMValueRef derivs[6];
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   LLVMValueRef coords[4];
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   LLVMValueRef lod; // also used by ac_image_get_resinfo
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   LLVMValueRef min_lod;
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};
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LLVMValueRef ac_build_image_opcode(struct ac_llvm_context *ctx, struct ac_image_args *a);
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LLVMValueRef ac_build_image_get_sample_count(struct ac_llvm_context *ctx, LLVMValueRef rsrc);
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LLVMValueRef ac_build_cvt_pkrtz_f16(struct ac_llvm_context *ctx, LLVMValueRef args[2]);
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LLVMValueRef ac_build_cvt_pknorm_i16(struct ac_llvm_context *ctx, LLVMValueRef args[2]);
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LLVMValueRef ac_build_cvt_pknorm_u16(struct ac_llvm_context *ctx, LLVMValueRef args[2]);
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LLVMValueRef ac_build_cvt_pknorm_i16_f16(struct ac_llvm_context *ctx, LLVMValueRef args[2]);
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LLVMValueRef ac_build_cvt_pknorm_u16_f16(struct ac_llvm_context *ctx, LLVMValueRef args[2]);
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LLVMValueRef ac_build_cvt_pk_i16(struct ac_llvm_context *ctx, LLVMValueRef args[2], unsigned bits,
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                                 bool hi);
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LLVMValueRef ac_build_cvt_pk_u16(struct ac_llvm_context *ctx, LLVMValueRef args[2], unsigned bits,
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                                 bool hi);
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LLVMValueRef ac_build_wqm_vote(struct ac_llvm_context *ctx, LLVMValueRef i1);
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void ac_build_kill_if_false(struct ac_llvm_context *ctx, LLVMValueRef i1);
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LLVMValueRef ac_build_bfe(struct ac_llvm_context *ctx, LLVMValueRef input, LLVMValueRef offset,
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                          LLVMValueRef width, bool is_signed);
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LLVMValueRef ac_build_imad(struct ac_llvm_context *ctx, LLVMValueRef s0, LLVMValueRef s1,
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                           LLVMValueRef s2);
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LLVMValueRef ac_build_fmad(struct ac_llvm_context *ctx, LLVMValueRef s0, LLVMValueRef s1,
446
                           LLVMValueRef s2);
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void ac_build_waitcnt(struct ac_llvm_context *ctx, unsigned wait_flags);
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LLVMValueRef ac_build_fract(struct ac_llvm_context *ctx, LLVMValueRef src0, unsigned bitsize);
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LLVMValueRef ac_const_uint_vec(struct ac_llvm_context *ctx, LLVMTypeRef type, uint64_t value);
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LLVMValueRef ac_build_isign(struct ac_llvm_context *ctx, LLVMValueRef src0);
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LLVMValueRef ac_build_fsign(struct ac_llvm_context *ctx, LLVMValueRef src);
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LLVMValueRef ac_build_bit_count(struct ac_llvm_context *ctx, LLVMValueRef src0);
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LLVMValueRef ac_build_fsat(struct ac_llvm_context *ctx, LLVMValueRef src,
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                           LLVMTypeRef type);
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LLVMValueRef ac_build_bitfield_reverse(struct ac_llvm_context *ctx, LLVMValueRef src0);
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void ac_optimize_vs_outputs(struct ac_llvm_context *ac, LLVMValueRef main_fn,
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                            uint8_t *vs_output_param_offset, uint32_t num_outputs,
463
                            uint32_t skip_output_mask, uint8_t *num_param_exports);
464
void ac_init_exec_full_mask(struct ac_llvm_context *ctx);
465

466
void ac_declare_lds_as_pointer(struct ac_llvm_context *ac);
467
LLVMValueRef ac_lds_load(struct ac_llvm_context *ctx, LLVMValueRef dw_addr);
468
void ac_lds_store(struct ac_llvm_context *ctx, LLVMValueRef dw_addr, LLVMValueRef value);
469

470
LLVMValueRef ac_find_lsb(struct ac_llvm_context *ctx, LLVMTypeRef dst_type, LLVMValueRef src0);
471

472
LLVMTypeRef ac_array_in_const_addr_space(LLVMTypeRef elem_type);
473
LLVMTypeRef ac_array_in_const32_addr_space(LLVMTypeRef elem_type);
474

475
void ac_build_bgnloop(struct ac_llvm_context *ctx, int lable_id);
476
void ac_build_break(struct ac_llvm_context *ctx);
477
void ac_build_continue(struct ac_llvm_context *ctx);
478
void ac_build_else(struct ac_llvm_context *ctx, int lable_id);
479
void ac_build_endif(struct ac_llvm_context *ctx, int lable_id);
480
void ac_build_endloop(struct ac_llvm_context *ctx, int lable_id);
481
void ac_build_ifcc(struct ac_llvm_context *ctx, LLVMValueRef cond, int label_id);
482

483
LLVMValueRef ac_build_alloca(struct ac_llvm_context *ac, LLVMTypeRef type, const char *name);
484
LLVMValueRef ac_build_alloca_undef(struct ac_llvm_context *ac, LLVMTypeRef type, const char *name);
485
LLVMValueRef ac_build_alloca_init(struct ac_llvm_context *ac, LLVMValueRef val, const char *name);
486

487
LLVMValueRef ac_cast_ptr(struct ac_llvm_context *ctx, LLVMValueRef ptr, LLVMTypeRef type);
488

489
LLVMValueRef ac_trim_vector(struct ac_llvm_context *ctx, LLVMValueRef value, unsigned count);
490

491
LLVMValueRef ac_unpack_param(struct ac_llvm_context *ctx, LLVMValueRef param, unsigned rshift,
492
                             unsigned bitwidth);
493

494
void ac_apply_fmask_to_sample(struct ac_llvm_context *ac, LLVMValueRef fmask, LLVMValueRef *addr,
495
                              bool is_array_tex);
496

497
LLVMValueRef ac_build_ds_swizzle(struct ac_llvm_context *ctx, LLVMValueRef src, unsigned mask);
498

499
LLVMValueRef ac_build_readlane_no_opt_barrier(struct ac_llvm_context *ctx, LLVMValueRef src,
500
                                              LLVMValueRef lane);
501

502
LLVMValueRef ac_build_readlane(struct ac_llvm_context *ctx, LLVMValueRef src, LLVMValueRef lane);
503

504
LLVMValueRef ac_build_writelane(struct ac_llvm_context *ctx, LLVMValueRef src, LLVMValueRef value,
505
                                LLVMValueRef lane);
506

507
LLVMValueRef ac_build_mbcnt_add(struct ac_llvm_context *ctx, LLVMValueRef mask, LLVMValueRef add_src);
508
LLVMValueRef ac_build_mbcnt(struct ac_llvm_context *ctx, LLVMValueRef mask);
509

510
LLVMValueRef ac_build_inclusive_scan(struct ac_llvm_context *ctx, LLVMValueRef src, nir_op op);
511

512
LLVMValueRef ac_build_exclusive_scan(struct ac_llvm_context *ctx, LLVMValueRef src, nir_op op);
513

514
LLVMValueRef ac_build_reduce(struct ac_llvm_context *ctx, LLVMValueRef src, nir_op op,
515
                             unsigned cluster_size);
516

517
/**
518
 * Common arguments for a scan/reduce operation that accumulates per-wave
519
 * values across an entire workgroup, while respecting the order of waves.
520
 */
521
struct ac_wg_scan {
522
   bool enable_reduce;
523
   bool enable_exclusive;
524
   bool enable_inclusive;
525
   nir_op op;
526
   LLVMValueRef src; /* clobbered! */
527
   LLVMValueRef result_reduce;
528
   LLVMValueRef result_exclusive;
529
   LLVMValueRef result_inclusive;
530
   LLVMValueRef extra;
531
   LLVMValueRef waveidx;
532
   LLVMValueRef numwaves; /* only needed for "reduce" operations */
533

534
   /* T addrspace(LDS) pointer to the same type as value, at least maxwaves entries */
535
   LLVMValueRef scratch;
536
   unsigned maxwaves;
537
};
538

539
void ac_build_wg_wavescan_top(struct ac_llvm_context *ctx, struct ac_wg_scan *ws);
540
void ac_build_wg_wavescan_bottom(struct ac_llvm_context *ctx, struct ac_wg_scan *ws);
541
void ac_build_wg_wavescan(struct ac_llvm_context *ctx, struct ac_wg_scan *ws);
542

543
void ac_build_wg_scan_top(struct ac_llvm_context *ctx, struct ac_wg_scan *ws);
544
void ac_build_wg_scan_bottom(struct ac_llvm_context *ctx, struct ac_wg_scan *ws);
545
void ac_build_wg_scan(struct ac_llvm_context *ctx, struct ac_wg_scan *ws);
546

547
LLVMValueRef ac_build_quad_swizzle(struct ac_llvm_context *ctx, LLVMValueRef src, unsigned lane0,
548
                                   unsigned lane1, unsigned lane2, unsigned lane3);
549

550
LLVMValueRef ac_build_shuffle(struct ac_llvm_context *ctx, LLVMValueRef src, LLVMValueRef index);
551

552
LLVMValueRef ac_build_frexp_exp(struct ac_llvm_context *ctx, LLVMValueRef src0, unsigned bitsize);
553

554
LLVMValueRef ac_build_frexp_mant(struct ac_llvm_context *ctx, LLVMValueRef src0, unsigned bitsize);
555

556
LLVMValueRef ac_build_canonicalize(struct ac_llvm_context *ctx, LLVMValueRef src0,
557
                                   unsigned bitsize);
558

559
LLVMValueRef ac_build_ddxy_interp(struct ac_llvm_context *ctx, LLVMValueRef interp_ij);
560

561
LLVMValueRef ac_build_load_helper_invocation(struct ac_llvm_context *ctx);
562

563
LLVMValueRef ac_build_is_helper_invocation(struct ac_llvm_context *ctx);
564

565
LLVMValueRef ac_build_call(struct ac_llvm_context *ctx, LLVMValueRef func, LLVMValueRef *args,
566
                           unsigned num_args);
567

568
LLVMValueRef ac_build_atomic_rmw(struct ac_llvm_context *ctx, LLVMAtomicRMWBinOp op,
569
                                 LLVMValueRef ptr, LLVMValueRef val, const char *sync_scope);
570

571
LLVMValueRef ac_build_atomic_cmp_xchg(struct ac_llvm_context *ctx, LLVMValueRef ptr,
572
                                      LLVMValueRef cmp, LLVMValueRef val, const char *sync_scope);
573

574
void ac_export_mrt_z(struct ac_llvm_context *ctx, LLVMValueRef depth, LLVMValueRef stencil,
575
                     LLVMValueRef samplemask, struct ac_export_args *args);
576

577
void ac_build_sendmsg_gs_alloc_req(struct ac_llvm_context *ctx, LLVMValueRef wave_id,
578
                                   LLVMValueRef vtx_cnt, LLVMValueRef prim_cnt);
579

580
struct ac_ngg_prim {
581
   unsigned num_vertices;
582
   LLVMValueRef isnull;
583
   LLVMValueRef index[3];
584
   LLVMValueRef edgeflag[3];
585
   LLVMValueRef passthrough;
586
};
587

588
LLVMValueRef ac_pack_prim_export(struct ac_llvm_context *ctx, const struct ac_ngg_prim *prim);
589
void ac_build_export_prim(struct ac_llvm_context *ctx, const struct ac_ngg_prim *prim);
590

591
static inline LLVMValueRef ac_get_arg(struct ac_llvm_context *ctx, struct ac_arg arg)
592
{
593
   assert(arg.used);
594
   return LLVMGetParam(ctx->main_function, arg.arg_index);
595
}
596

597
enum ac_llvm_calling_convention
598
{
599
   AC_LLVM_AMDGPU_VS = 87,
600
   AC_LLVM_AMDGPU_GS = 88,
601
   AC_LLVM_AMDGPU_PS = 89,
602
   AC_LLVM_AMDGPU_CS = 90,
603
   AC_LLVM_AMDGPU_HS = 93,
604
};
605

606
LLVMValueRef ac_build_main(const struct ac_shader_args *args, struct ac_llvm_context *ctx,
607
                           enum ac_llvm_calling_convention convention, const char *name,
608
                           LLVMTypeRef ret_type, LLVMModuleRef module);
609
void ac_build_s_endpgm(struct ac_llvm_context *ctx);
610

611
void ac_build_triangle_strip_indices_to_triangle(struct ac_llvm_context *ctx, LLVMValueRef is_odd,
612
                                                 LLVMValueRef flatshade_first,
613
                                                 LLVMValueRef index[3]);
614

615
#ifdef __cplusplus
616
}
617
#endif
618

619
#endif
620

621
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