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/*
* 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)
: family(arg_family), tm_options(arg_tm_options), passes(NULL) {}
~radv_llvm_per_thread_info()
{
ac_destroy_llvm_passes(passes);
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;
return true;
}
bool compile_to_memory_buffer(LLVMModuleRef module,
struct ac_shader_binary *binary)
{
return ac_compile_module_to_binary(passes, module, binary);
}
bool is_same(enum radeon_family arg_family,
enum ac_target_machine_options arg_tm_options) {
if (arg_family == family &&
arg_tm_options == tm_options)
return true;
return false;
}
struct ac_llvm_compiler llvm_info;
private:
enum radeon_family family;
enum ac_target_machine_options tm_options;
struct ac_compiler_passes *passes;
};
/* 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_binary(struct ac_llvm_compiler *info,
LLVMModuleRef module,
struct ac_shader_binary *binary)
{
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_binary(passes, module, binary);
ac_destroy_llvm_passes(passes);
return ret;
}
return thread_info->compile_to_memory_buffer(module, binary);
}
bool radv_init_llvm_compiler(struct ac_llvm_compiler *info,
bool thread_compiler,
enum radeon_family family,
enum ac_target_machine_options tm_options)
{
if (thread_compiler) {
for (auto &I : radv_llvm_per_thread_list) {
if (I.is_same(family, tm_options)) {
*info = I.llvm_info;
return true;
}
}
radv_llvm_per_thread_list.emplace_back(family, tm_options);
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);
}
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