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Begin multithreading the llvm backend when -use-separate-modules is enabled

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gingerBill
2023-01-05 12:29:16 +00:00
parent 1517f1d779
commit 213a0499a1
4 changed files with 53 additions and 19 deletions
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46
src/llvm_backend.cpp
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@@ -730,6 +730,8 @@ gb_internal lbValue lb_map_set_proc_for_type(lbModule *m, Type *type) {
gb_internal lbValue lb_generate_anonymous_proc_lit(lbModule *m, String const &prefix_name, Ast *expr, lbProcedure *parent) {
MUTEX_GUARD(&m->gen->anonymous_proc_lits_mutex);
lbProcedure **found = map_get(&m->gen->anonymous_proc_lits, expr);
if (found) {
return lb_find_procedure_value_from_entity(m, (*found)->entity);
@@ -1526,6 +1528,10 @@ struct lbLLVMModulePassWorkerData {
gb_internal WORKER_TASK_PROC(lb_llvm_module_pass_worker_proc) {
auto wd = cast(lbLLVMModulePassWorkerData *)data;
lb_run_remove_unused_function_pass(wd->m);
lb_run_remove_unused_globals_pass(wd->m);
LLVMPassManagerRef module_pass_manager = LLVMCreatePassManager();
lb_populate_module_pass_manager(wd->target_machine, module_pass_manager, build_context.optimization_level);
LLVMRunPassManager(module_pass_manager, wd->m->mod);
@@ -2155,29 +2161,47 @@ gb_internal void lb_generate_code(lbGenerator *gen) {
}
}
isize non_empty_module_count = 0;
for (auto const &entry : gen->modules) {
lbModule *m = entry.value;
if (!lb_is_module_empty(m)) {
non_empty_module_count += 1;
}
}
if (non_empty_module_count <= 1) {
do_threading = false;
}
TIME_SECTION("LLVM Function Pass");
for (auto const &entry : gen->modules) {
lbModule *m = entry.value;
lb_llvm_function_pass_worker_proc(m);
// if (do_threading) {
// thread_pool_add_task(lb_llvm_function_pass_worker_proc, m);
// } else {
lb_llvm_function_pass_worker_proc(m);
// }
}
thread_pool_wait();
TIME_SECTION("LLVM Module Pass");
for (auto const &entry : gen->modules) {
lbModule *m = entry.value;
lb_run_remove_unused_function_pass(m);
lb_run_remove_unused_globals_pass(m);
auto wd = gb_alloc_item(permanent_allocator(), lbLLVMModulePassWorkerData);
wd->m = m;
wd->target_machine = m->target_machine;
lb_llvm_module_pass_worker_proc(wd);
if (do_threading) {
thread_pool_add_task(lb_llvm_module_pass_worker_proc, wd);
} else {
lb_llvm_module_pass_worker_proc(wd);
}
}
thread_pool_wait();
TIME_SECTION("LLVM Module Verification");
llvm_error = nullptr;
defer (LLVMDisposeMessage(llvm_error));
@@ -2245,21 +2269,13 @@ gb_internal void lb_generate_code(lbGenerator *gen) {
TIME_SECTION("LLVM Object Generation");
isize non_empty_module_count = 0;
for (auto const &entry : gen->modules) {
lbModule *m = entry.value;
if (!lb_is_module_empty(m)) {
non_empty_module_count += 1;
}
}
if (build_context.ignore_llvm_build) {
gb_printf_err("LLVM SUCCESS!\n");
gb_exit(1);
return;
}
if (do_threading && non_empty_module_count > 1) {
if (do_threading) {
for (auto const &entry : gen->modules) {
lbModule *m = entry.value;
if (lb_is_module_empty(m)) {