src/amd/common/ac_llvm_build.h

   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 <stdbool.h>
  29 #include <llvm-c/TargetMachine.h>
  30
  31 #ifdef __cplusplus
  32 extern "C" {
  33 #endif
  34
  35 struct ac_llvm_context {
  36         LLVMContextRef context;
  37         LLVMModuleRef module;
  38         LLVMBuilderRef builder;
  39
  40         LLVMTypeRef voidt;
  41         LLVMTypeRef i1;
  42         LLVMTypeRef i8;
  43         LLVMTypeRef i32;
  44         LLVMTypeRef f32;
  45         LLVMTypeRef v4i32;
  46         LLVMTypeRef v4f32;
  47         LLVMTypeRef v16i8;
  48
  49         unsigned range_md_kind;
  50         unsigned invariant_load_md_kind;
  51         unsigned uniform_md_kind;
  52         unsigned fpmath_md_kind;
  53         LLVMValueRef fpmath_md_2p5_ulp;
  54         LLVMValueRef empty_md;
  55 };
  56
  57 void
  58 ac_llvm_context_init(struct ac_llvm_context *ctx, LLVMContextRef context);
  59
  60 LLVMValueRef
  61 ac_emit_llvm_intrinsic(struct ac_llvm_context *ctx, const char *name,
  62                        LLVMTypeRef return_type, LLVMValueRef *params,
  63                        unsigned param_count, unsigned attrib_mask);
  64
  65 void ac_build_type_name_for_intr(LLVMTypeRef type, char *buf, unsigned bufsize);
  66
  67 LLVMValueRef
  68 ac_build_gather_values_extended(struct ac_llvm_context *ctx,
  69                                 LLVMValueRef *values,
  70                                 unsigned value_count,
  71                                 unsigned value_stride,
  72                                 bool load);
  73 LLVMValueRef
  74 ac_build_gather_values(struct ac_llvm_context *ctx,
  75                        LLVMValueRef *values,
  76                        unsigned value_count);
  77
  78 LLVMValueRef
  79 ac_emit_fdiv(struct ac_llvm_context *ctx,
  80              LLVMValueRef num,
  81              LLVMValueRef den);
  82
  83 void
  84 ac_prepare_cube_coords(struct ac_llvm_context *ctx,
  85                        bool is_deriv, bool is_array,
  86                        LLVMValueRef *coords_arg,
  87                        LLVMValueRef *derivs_arg);
  88
  89
  90 LLVMValueRef
  91 ac_build_fs_interp(struct ac_llvm_context *ctx,
  92                    LLVMValueRef llvm_chan,
  93                    LLVMValueRef attr_number,
  94                    LLVMValueRef params,
  95                    LLVMValueRef i,
  96                    LLVMValueRef j);
  97
  98 LLVMValueRef
  99 ac_build_fs_interp_mov(struct ac_llvm_context *ctx,
 100                        LLVMValueRef parameter,
 101                        LLVMValueRef llvm_chan,
 102                        LLVMValueRef attr_number,
 103                        LLVMValueRef params);
 104
 105 LLVMValueRef
 106 ac_build_gep0(struct ac_llvm_context *ctx,
 107               LLVMValueRef base_ptr,
 108               LLVMValueRef index);
 109
 110 void
 111 ac_build_indexed_store(struct ac_llvm_context *ctx,
 112                        LLVMValueRef base_ptr, LLVMValueRef index,
 113                        LLVMValueRef value);
 114
 115 LLVMValueRef
 116 ac_build_indexed_load(struct ac_llvm_context *ctx,
 117                       LLVMValueRef base_ptr, LLVMValueRef index,
 118                       bool uniform);
 119
 120 LLVMValueRef
 121 ac_build_indexed_load_const(struct ac_llvm_context *ctx,
 122                             LLVMValueRef base_ptr, LLVMValueRef index);
 123
 124 void
 125 ac_build_buffer_store_dword(struct ac_llvm_context *ctx,
 126                             LLVMValueRef rsrc,
 127                             LLVMValueRef vdata,
 128                             unsigned num_channels,
 129                             LLVMValueRef voffset,
 130                             LLVMValueRef soffset,
 131                             unsigned inst_offset,
 132                             bool glc,
 133                             bool slc);
 134 LLVMValueRef
 135 ac_build_buffer_load(struct ac_llvm_context *ctx,
 136                      LLVMValueRef rsrc,
 137                      int num_channels,
 138                      LLVMValueRef vindex,
 139                      LLVMValueRef voffset,
 140                      LLVMValueRef soffset,
 141                      unsigned inst_offset,
 142                      unsigned glc,
 143                      unsigned slc,
 144                      bool readonly_memory);
 145
 146 LLVMValueRef
 147 ac_get_thread_id(struct ac_llvm_context *ctx);
 148
 149 #define AC_TID_MASK_TOP_LEFT 0xfffffffc
 150 #define AC_TID_MASK_TOP      0xfffffffd
 151 #define AC_TID_MASK_LEFT     0xfffffffe
 152
 153 LLVMValueRef
 154 ac_emit_ddxy(struct ac_llvm_context *ctx,
 155              bool has_ds_bpermute,
 156              uint32_t mask,
 157              int idx,
 158              LLVMValueRef lds,
 159              LLVMValueRef val);
 160
 161 #define AC_SENDMSG_GS 2
 162 #define AC_SENDMSG_GS_DONE 3
 163
 164 #define AC_SENDMSG_GS_OP_NOP      (0 << 4)
 165 #define AC_SENDMSG_GS_OP_CUT      (1 << 4)
 166 #define AC_SENDMSG_GS_OP_EMIT     (2 << 4)
 167 #define AC_SENDMSG_GS_OP_EMIT_CUT (3 << 4)
 168
 169 void ac_emit_sendmsg(struct ac_llvm_context *ctx,
 170                      uint32_t msg,
 171                      LLVMValueRef wave_id);
 172
 173 LLVMValueRef ac_emit_imsb(struct ac_llvm_context *ctx,
 174                           LLVMValueRef arg,
 175                           LLVMTypeRef dst_type);
 176
 177 LLVMValueRef ac_emit_umsb(struct ac_llvm_context *ctx,
 178                           LLVMValueRef arg,
 179                           LLVMTypeRef dst_type);
 180
 181 LLVMValueRef ac_emit_clamp(struct ac_llvm_context *ctx, LLVMValueRef value);
 182
 183 struct ac_export_args {
 184         LLVMValueRef out[4];
 185         unsigned target;
 186         unsigned enabled_channels;
 187         bool compr;
 188         bool done;
 189         bool valid_mask;
 190 };
 191
 192 void ac_emit_export(struct ac_llvm_context *ctx, struct ac_export_args *a);
 193
 194 enum ac_image_opcode {
 195         ac_image_sample,
 196         ac_image_gather4,
 197         ac_image_load,
 198         ac_image_load_mip,
 199         ac_image_get_lod,
 200         ac_image_get_resinfo,
 201 };
 202
 203 struct ac_image_args {
 204         enum ac_image_opcode opcode;
 205         bool level_zero;
 206         bool bias;
 207         bool lod;
 208         bool deriv;
 209         bool compare;
 210         bool offset;
 211
 212         LLVMValueRef resource;
 213         LLVMValueRef sampler;
 214         LLVMValueRef addr;
 215         unsigned dmask;
 216         bool unorm;
 217         bool da;
 218 };
 219
 220 LLVMValueRef ac_emit_image_opcode(struct ac_llvm_context *ctx,
 221                                   struct ac_image_args *a);
 222 LLVMValueRef ac_emit_cvt_pkrtz_f16(struct ac_llvm_context *ctx,
 223                                    LLVMValueRef args[2]);
 224 void ac_emit_kill(struct ac_llvm_context *ctx, LLVMValueRef value);
 225 LLVMValueRef ac_emit_bfe(struct ac_llvm_context *ctx, LLVMValueRef input,
 226                          LLVMValueRef offset, LLVMValueRef width,
 227                          bool is_signed);
 228
 229 #ifdef __cplusplus
 230 }
 231 #endif
 232
 233 #endif