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Convert missing_procedures_to_check to a queue

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gingerBill
2025-09-19 14:18:09 +01:00
parent 6bca1475ed
commit 76705c6800
3 changed files with 12 additions and 17 deletions
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src/llvm_backend.cpp
+7 -7
View File
@@ -2477,15 +2477,9 @@ gb_internal void lb_generate_procedures(lbGenerator *gen, bool do_threading) {
gb_internal WORKER_TASK_PROC(lb_generate_missing_procedures_to_check_worker_proc) {
lbModule *m = cast(lbModule *)data;
for (isize i = 0; i < m->missing_procedures_to_check.count; i++) {
lbProcedure *p = m->missing_procedures_to_check[i];
for (lbProcedure *p = nullptr; mpsc_dequeue(&m->missing_procedures_to_check, &p); /**/) {
debugf("Generate missing procedure: %.*s module %p\n", LIT(p->name), m);
isize count = m->procedures_to_generate.count;
lb_generate_procedure(m, p);
isize new_count = m->procedures_to_generate.count;
if (count != new_count) {
gb_printf_err("NEW STUFF!\n");
}
}
return 0;
}
@@ -2505,6 +2499,12 @@ gb_internal void lb_generate_missing_procedures(lbGenerator *gen, bool do_thread
lb_generate_missing_procedures_to_check_worker_proc(m);
}
}
for (auto const &entry : gen->modules) {
lbModule *m = entry.value;
GB_ASSERT(m->missing_procedures_to_check.count == 0);
GB_ASSERT(m->procedures_to_generate.count == 0);
}
}
gb_internal void lb_debug_info_complete_types_and_finalize(lbGenerator *gen) {
src/llvm_backend.hpp
+1 -2
View File
@@ -176,8 +176,7 @@ struct lbModule {
StringMap<lbProcedure *> procedures;
PtrMap<LLVMValueRef, Entity *> procedure_values;
BlockingMutex missing_procedures_to_check_mutex;
Array<lbProcedure *> missing_procedures_to_check;
MPSCQueue<lbProcedure *> missing_procedures_to_check;
StringMap<LLVMValueRef> const_strings;
String16Map<LLVMValueRef> const_string16s;
src/llvm_backend_general.cpp
+4 -8
View File
@@ -109,7 +109,7 @@ gb_internal WORKER_TASK_PROC(lb_init_module_worker_proc) {
array_init(&m->global_procedures_to_create, a, 0, 1024);
array_init(&m->global_types_to_create, a, 0, 1024);
array_init(&m->missing_procedures_to_check, a, 0, 16);
mpsc_init(&m->missing_procedures_to_check, a);
map_init(&m->debug_values);
string_map_init(&m->objc_classes);
@@ -3079,18 +3079,16 @@ gb_internal lbValue lb_find_procedure_value_from_entity(lbModule *m, Entity *e)
// defer (mutex_unlock(&gen->anonymous_proc_lits_mutex));
GB_ASSERT(other_module != nullptr);
mutex_lock(&other_module->missing_procedures_to_check_mutex);
rw_mutex_shared_lock(&other_module->values_mutex);
auto *found = map_get(&other_module->values, e);
rw_mutex_shared_unlock(&other_module->values_mutex);
if (found == nullptr) {
// THIS IS THE RACE CONDITION
lbProcedure *missing_proc_in_other_module = lb_create_procedure(other_module, e, false);
array_add(&other_module->missing_procedures_to_check, missing_proc_in_other_module);
mpsc_enqueue(&other_module->missing_procedures_to_check, missing_proc_in_other_module);
}
mutex_unlock(&other_module->missing_procedures_to_check_mutex);
} else {
array_add(&m->missing_procedures_to_check, missing_proc);
mpsc_enqueue(&m->missing_procedures_to_check, missing_proc);
}
rw_mutex_shared_lock(&m->values_mutex);
@@ -3157,16 +3155,14 @@ gb_internal lbValue lb_generate_anonymous_proc_lit(lbModule *m, String const &pr
if (target_module != m) {
mutex_lock(&target_module->missing_procedures_to_check_mutex);
rw_mutex_shared_lock(&target_module->values_mutex);
lbValue *found = map_get(&target_module->values, e);
rw_mutex_shared_unlock(&target_module->values_mutex);
if (found == nullptr) {
lbProcedure *missing_proc_in_target_module = lb_create_procedure(target_module, e, false);
array_add(&target_module->missing_procedures_to_check, missing_proc_in_target_module);
mpsc_enqueue(&target_module->missing_procedures_to_check, missing_proc_in_target_module);
}
mutex_unlock(&target_module->missing_procedures_to_check_mutex);
lbProcedure *p = lb_create_procedure(m, e, true);