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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