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 i32;
  53         LLVMTypeRef f32;
  54
  55         unsigned invariant_load_md_kind;
  56         unsigned uniform_md_kind;
  57         unsigned fpmath_md_kind;
  58         LLVMValueRef fpmath_md_2p5_ulp;
  59         LLVMValueRef empty_md;
  60 };
  61
  62 LLVMTargetMachineRef ac_create_target_machine(enum radeon_family family, bool supports_spill);
  63
  64 void ac_add_attr_dereferenceable(LLVMValueRef val, uint64_t bytes);
  65 bool ac_is_sgpr_param(LLVMValueRef param);
  66
  67 void
  68 ac_llvm_context_init(struct ac_llvm_context *ctx, LLVMContextRef context);
  69
  70 void
  71 ac_add_function_attr(LLVMValueRef function,
  72                      int attr_idx,
  73                      enum ac_func_attr attr);
  74 LLVMValueRef
  75 ac_emit_llvm_intrinsic(struct ac_llvm_context *ctx, const char *name,
  76                        LLVMTypeRef return_type, LLVMValueRef *params,
  77                        unsigned param_count, unsigned attrib_mask);
  78
  79 LLVMValueRef
  80 ac_build_gather_values_extended(struct ac_llvm_context *ctx,
  81                                 LLVMValueRef *values,
  82                                 unsigned value_count,
  83                                 unsigned value_stride,
  84                                 bool load);
  85 LLVMValueRef
  86 ac_build_gather_values(struct ac_llvm_context *ctx,
  87                        LLVMValueRef *values,
  88                        unsigned value_count);
  89
  90 LLVMValueRef
  91 ac_emit_fdiv(struct ac_llvm_context *ctx,
  92              LLVMValueRef num,
  93              LLVMValueRef den);
  94
  95 void
  96 ac_prepare_cube_coords(struct ac_llvm_context *ctx,
  97                        bool is_deriv, bool is_array,
  98                        LLVMValueRef *coords_arg,
  99                        LLVMValueRef *derivs_arg);
 100
 101 void
 102 ac_dump_module(LLVMModuleRef module);
 103
 104 LLVMValueRef
 105 ac_build_fs_interp(struct ac_llvm_context *ctx,
 106                    LLVMValueRef llvm_chan,
 107                    LLVMValueRef attr_number,
 108                    LLVMValueRef params,
 109                    LLVMValueRef i,
 110                    LLVMValueRef j);
 111
 112 LLVMValueRef
 113 ac_build_fs_interp_mov(struct ac_llvm_context *ctx,
 114                        LLVMValueRef parameter,
 115                        LLVMValueRef llvm_chan,
 116                        LLVMValueRef attr_number,
 117                        LLVMValueRef params);
 118
 119 LLVMValueRef
 120 ac_build_gep0(struct ac_llvm_context *ctx,
 121               LLVMValueRef base_ptr,
 122               LLVMValueRef index);
 123
 124 void
 125 ac_build_indexed_store(struct ac_llvm_context *ctx,
 126                        LLVMValueRef base_ptr, LLVMValueRef index,
 127                        LLVMValueRef value);
 128
 129 LLVMValueRef
 130 ac_build_indexed_load(struct ac_llvm_context *ctx,
 131                       LLVMValueRef base_ptr, LLVMValueRef index,
 132                       bool uniform);
 133
 134 LLVMValueRef
 135 ac_build_indexed_load_const(struct ac_llvm_context *ctx,
 136                             LLVMValueRef base_ptr, LLVMValueRef index);
 137 #ifdef __cplusplus
 138 }
 139 #endif