summaryrefslogtreecommitdiffstats
path: root/src/amd/vulkan/radv_llvm_helper.cpp
blob: 612548e4219427151dcf736bcf1ff41d9df8c136 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
/*
 * Copyright © 2018 Red Hat.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice (including the next
 * paragraph) shall be included in all copies or substantial portions of the
 * Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
 * IN THE SOFTWARE.
 */
#include "ac_llvm_util.h"
#include "ac_llvm_build.h"
#include "radv_shader_helper.h"

#include <list>
class radv_llvm_per_thread_info {
public:
	radv_llvm_per_thread_info(enum radeon_family arg_family,
				enum ac_target_machine_options arg_tm_options,
				unsigned arg_wave_size)
		: family(arg_family), tm_options(arg_tm_options),
		  wave_size(arg_wave_size), passes(NULL), passes_wave32(NULL) {}

	~radv_llvm_per_thread_info()
	{
		ac_destroy_llvm_compiler(&llvm_info);
	}

	bool init(void)
	{
		if (!ac_init_llvm_compiler(&llvm_info,
					  family,
					  tm_options))
			return false;

		passes = ac_create_llvm_passes(llvm_info.tm);
		if (!passes)
			return false;

		if (llvm_info.tm_wave32) {
			passes_wave32 = ac_create_llvm_passes(llvm_info.tm_wave32);
			if (!passes_wave32)
				return false;
		}

		return true;
	}

	bool compile_to_memory_buffer(LLVMModuleRef module,
				      char **pelf_buffer, size_t *pelf_size)
	{
		struct ac_compiler_passes *p = wave_size == 32 ? passes_wave32 : passes;
		return ac_compile_module_to_elf(p, module, pelf_buffer, pelf_size);
	}

	bool is_same(enum radeon_family arg_family,
		     enum ac_target_machine_options arg_tm_options,
		     unsigned arg_wave_size) {
		if (arg_family == family &&
		    arg_tm_options == tm_options &&
		    arg_wave_size == wave_size)
			return true;
		return false;
	}
	struct ac_llvm_compiler llvm_info;
private:
	enum radeon_family family;
	enum ac_target_machine_options tm_options;
	unsigned wave_size;
	struct ac_compiler_passes *passes;
	struct ac_compiler_passes *passes_wave32;
};

/* we have to store a linked list per thread due to the possiblity of multiple gpus being required */
static thread_local std::list<radv_llvm_per_thread_info> radv_llvm_per_thread_list;

bool radv_compile_to_elf(struct ac_llvm_compiler *info,
			LLVMModuleRef module,
			char **pelf_buffer, size_t *pelf_size)
{
	radv_llvm_per_thread_info *thread_info = nullptr;

	for (auto &I : radv_llvm_per_thread_list) {
		if (I.llvm_info.tm == info->tm) {
			thread_info = &I;
			break;
		}
	}

	if (!thread_info) {
		struct ac_compiler_passes *passes = ac_create_llvm_passes(info->tm);
		bool ret = ac_compile_module_to_elf(passes, module, pelf_buffer, pelf_size);
		ac_destroy_llvm_passes(passes);
		return ret;
	}

	return thread_info->compile_to_memory_buffer(module, pelf_buffer, pelf_size);
}

bool radv_init_llvm_compiler(struct ac_llvm_compiler *info,
			     bool thread_compiler,
			     enum radeon_family family,
			     enum ac_target_machine_options tm_options,
			     unsigned wave_size)
{
	if (thread_compiler) {
		for (auto &I : radv_llvm_per_thread_list) {
			if (I.is_same(family, tm_options, wave_size)) {
				*info = I.llvm_info;
				return true;
			}
		}

		radv_llvm_per_thread_list.emplace_back(family, tm_options, wave_size);
		radv_llvm_per_thread_info &tinfo = radv_llvm_per_thread_list.back();

		if (!tinfo.init()) {
			radv_llvm_per_thread_list.pop_back();
			return false;
		}

		*info = tinfo.llvm_info;
		return true;
	}

	if (!ac_init_llvm_compiler(info,
				   family,
				   tm_options))
		return false;
	return true;
}

void radv_destroy_llvm_compiler(struct ac_llvm_compiler *info,
				bool thread_compiler)
{
	if (!thread_compiler)
		ac_destroy_llvm_compiler(info);
}