src/amd/common/ac_llvm_util.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 #pragma once
  26
  27 #include <stdbool.h>
  28 #include <llvm-c/TargetMachine.h>
  29
  30 #include "amd_family.h"
  31
  32 #ifdef __cplusplus
  33 extern "C" {
  34 #endif
  35
  36 enum ac_func_attr {
  37         AC_FUNC_ATTR_ALWAYSINLINE = (1 << 0),
  38         AC_FUNC_ATTR_BYVAL        = (1 << 1),
  39         AC_FUNC_ATTR_INREG        = (1 << 2),
  40         AC_FUNC_ATTR_NOALIAS      = (1 << 3),
  41         AC_FUNC_ATTR_NOUNWIND     = (1 << 4),
  42         AC_FUNC_ATTR_READNONE     = (1 << 5),
  43         AC_FUNC_ATTR_READONLY     = (1 << 6),
  44         AC_FUNC_ATTR_LAST         = (1 << 7)
  45 };
  46
  47 struct ac_llvm_context {
  48         LLVMContextRef context;
  49         LLVMModuleRef module;
  50         LLVMBuilderRef builder;
  51
  52         LLVMTypeRef voidt;
  53         LLVMTypeRef i1;
  54         LLVMTypeRef i8;
  55         LLVMTypeRef i32;
  56         LLVMTypeRef f32;
  57         LLVMTypeRef v4i32;
  58         LLVMTypeRef v4f32;
  59         LLVMTypeRef v16i8;
  60
  61         unsigned range_md_kind;
  62         unsigned invariant_load_md_kind;
  63         unsigned uniform_md_kind;
  64         unsigned fpmath_md_kind;
  65         LLVMValueRef fpmath_md_2p5_ulp;
  66         LLVMValueRef empty_md;
  67 };
  68
  69 LLVMTargetMachineRef ac_create_target_machine(enum radeon_family family, bool supports_spill);
  70
  71 void ac_add_attr_dereferenceable(LLVMValueRef val, uint64_t bytes);
  72 bool ac_is_sgpr_param(LLVMValueRef param);
  73
  74 void
  75 ac_llvm_context_init(struct ac_llvm_context *ctx, LLVMContextRef context);
  76
  77 void
  78 ac_add_function_attr(LLVMValueRef function,
  79                      int attr_idx,
  80                      enum ac_func_attr attr);
  81 LLVMValueRef
  82 ac_emit_llvm_intrinsic(struct ac_llvm_context *ctx, const char *name,
  83                        LLVMTypeRef return_type, LLVMValueRef *params,
  84                        unsigned param_count, unsigned attrib_mask);
  85
  86 LLVMValueRef
  87 ac_build_gather_values_extended(struct ac_llvm_context *ctx,
  88                                 LLVMValueRef *values,
  89                                 unsigned value_count,
  90                                 unsigned value_stride,
  91                                 bool load);
  92 LLVMValueRef
  93 ac_build_gather_values(struct ac_llvm_context *ctx,
  94                        LLVMValueRef *values,
  95                        unsigned value_count);
  96
  97 LLVMValueRef
  98 ac_emit_fdiv(struct ac_llvm_context *ctx,
  99              LLVMValueRef num,
 100              LLVMValueRef den);
 101
 102 void
 103 ac_prepare_cube_coords(struct ac_llvm_context *ctx,
 104                        bool is_deriv, bool is_array,
 105                        LLVMValueRef *coords_arg,
 106                        LLVMValueRef *derivs_arg);
 107
 108 void
 109 ac_dump_module(LLVMModuleRef module);
 110
 111 LLVMValueRef
 112 ac_build_fs_interp(struct ac_llvm_context *ctx,
 113                    LLVMValueRef llvm_chan,
 114                    LLVMValueRef attr_number,
 115                    LLVMValueRef params,
 116                    LLVMValueRef i,
 117                    LLVMValueRef j);
 118
 119 LLVMValueRef
 120 ac_build_fs_interp_mov(struct ac_llvm_context *ctx,
 121                        LLVMValueRef parameter,
 122                        LLVMValueRef llvm_chan,
 123                        LLVMValueRef attr_number,
 124                        LLVMValueRef params);
 125
 126 LLVMValueRef
 127 ac_build_gep0(struct ac_llvm_context *ctx,
 128               LLVMValueRef base_ptr,
 129               LLVMValueRef index);
 130
 131 void
 132 ac_build_indexed_store(struct ac_llvm_context *ctx,
 133                        LLVMValueRef base_ptr, LLVMValueRef index,
 134                        LLVMValueRef value);
 135
 136 LLVMValueRef
 137 ac_build_indexed_load(struct ac_llvm_context *ctx,
 138                       LLVMValueRef base_ptr, LLVMValueRef index,
 139                       bool uniform);
 140
 141 LLVMValueRef
 142 ac_build_indexed_load_const(struct ac_llvm_context *ctx,
 143                             LLVMValueRef base_ptr, LLVMValueRef index);
 144
 145 void
 146 ac_build_tbuffer_store_dwords(struct ac_llvm_context *ctx,
 147                               LLVMValueRef rsrc,
 148                               LLVMValueRef vdata,
 149                               unsigned num_channels,
 150                               LLVMValueRef vaddr,
 151                               LLVMValueRef soffset,
 152                               unsigned inst_offset);
 153
 154 void
 155 ac_build_tbuffer_store(struct ac_llvm_context *ctx,
 156                        LLVMValueRef rsrc,
 157                        LLVMValueRef vdata,
 158                        unsigned num_channels,
 159                        LLVMValueRef vaddr,
 160                        LLVMValueRef soffset,
 161                        unsigned inst_offset,
 162                        unsigned dfmt,
 163                        unsigned nfmt,
 164                        unsigned offen,
 165                        unsigned idxen,
 166                        unsigned glc,
 167                        unsigned slc,
 168                        unsigned tfe);
 169
 170 LLVMValueRef
 171 ac_build_buffer_load(struct ac_llvm_context *ctx,
 172                      LLVMValueRef rsrc,
 173                      int num_channels,
 174                      LLVMValueRef vindex,
 175                      LLVMValueRef voffset,
 176                      LLVMValueRef soffset,
 177                      unsigned inst_offset,
 178                      unsigned glc,
 179                      unsigned slc);
 180
 181 LLVMValueRef
 182 ac_get_thread_id(struct ac_llvm_context *ctx);
 183 #ifdef __cplusplus
 184 }
 185 #endif