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      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 fpmath_md_kind;
     56 	LLVMValueRef fpmath_md_2p5_ulp;
     57 };
     58 
     59 LLVMTargetMachineRef ac_create_target_machine(enum radeon_family family);
     60 
     61 void ac_add_attr_dereferenceable(LLVMValueRef val, uint64_t bytes);
     62 bool ac_is_sgpr_param(LLVMValueRef param);
     63 
     64 void
     65 ac_llvm_context_init(struct ac_llvm_context *ctx, LLVMContextRef context);
     66 
     67 void
     68 ac_add_function_attr(LLVMValueRef function,
     69                      int attr_idx,
     70                      enum ac_func_attr attr);
     71 LLVMValueRef
     72 ac_emit_llvm_intrinsic(struct ac_llvm_context *ctx, const char *name,
     73 		       LLVMTypeRef return_type, LLVMValueRef *params,
     74 		       unsigned param_count, unsigned attrib_mask);
     75 
     76 LLVMValueRef
     77 ac_build_gather_values_extended(struct ac_llvm_context *ctx,
     78 				LLVMValueRef *values,
     79 				unsigned value_count,
     80 				unsigned value_stride,
     81 				bool load);
     82 LLVMValueRef
     83 ac_build_gather_values(struct ac_llvm_context *ctx,
     84 		       LLVMValueRef *values,
     85 		       unsigned value_count);
     86 
     87 LLVMValueRef
     88 ac_emit_fdiv(struct ac_llvm_context *ctx,
     89 	     LLVMValueRef num,
     90 	     LLVMValueRef den);
     91 
     92 void
     93 ac_prepare_cube_coords(struct ac_llvm_context *ctx,
     94 		       bool is_deriv, bool is_array,
     95 		       LLVMValueRef *coords_arg,
     96 		       LLVMValueRef *derivs_arg);
     97 
     98 #ifdef __cplusplus
     99 }
    100 #endif
    101