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fix global and static any

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Fixes #4627
This commit is contained in:
Laytan Laats
2025-05-17 16:28:34 +02:00
parent d6210ae76f
commit c35a45e823
4 changed files with 98 additions and 58 deletions
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src/llvm_backend_stmt.cpp
+30 -20
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@@ -2022,33 +2022,43 @@ gb_internal void lb_build_static_variables(lbProcedure *p, AstValueDecl *vd) {
LLVMValueRef global = LLVMAddGlobal(p->module->mod, lb_type(p->module, e->type), c_name);
LLVMSetAlignment(global, cast(u32)type_align_of(e->type));
LLVMSetInitializer(global, LLVMConstNull(lb_type(p->module, e->type)));
if (value.value != nullptr) {
LLVMSetInitializer(global, value.value);
}
if (e->Variable.is_rodata) {
LLVMSetGlobalConstant(global, true);
}
if (e->Variable.thread_local_model != "") {
LLVMSetThreadLocal(global, true);
String m = e->Variable.thread_local_model;
LLVMThreadLocalMode mode = LLVMGeneralDynamicTLSModel;
if (m == "default") {
mode = LLVMGeneralDynamicTLSModel;
} else if (m == "localdynamic") {
mode = LLVMLocalDynamicTLSModel;
} else if (m == "initialexec") {
mode = LLVMInitialExecTLSModel;
} else if (m == "localexec") {
mode = LLVMLocalExecTLSModel;
} else {
GB_PANIC("Unhandled thread local mode %.*s", LIT(m));
}
LLVMSetThreadLocalMode(global, mode);
} else {
if (!lb_apply_thread_local_model(global, e->Variable.thread_local_model)) {
LLVMSetLinkage(global, LLVMInternalLinkage);
}
if (value.value != nullptr) {
if (is_type_any(e->type)) {
Type *var_type = default_type(value.type);
gbString var_name = gb_string_make(temporary_allocator(), "__$static_any::");
var_name = gb_string_append_length(var_name, mangled_name.text, mangled_name.len);
lbAddr var_global = lb_add_global_generated_with_name(p->module, var_type, value, make_string_c(var_name), nullptr);
LLVMValueRef var_global_ref = var_global.addr.value;
if (e->Variable.is_rodata) {
LLVMSetGlobalConstant(var_global_ref, true);
}
if (!lb_apply_thread_local_model(var_global_ref, e->Variable.thread_local_model)) {
LLVMSetLinkage(var_global_ref, LLVMInternalLinkage);
}
LLVMValueRef vals[2] = {
lb_emit_conv(p, var_global.addr, t_rawptr).value,
lb_typeid(p->module, var_type).value,
};
LLVMValueRef init = llvm_const_named_struct(p->module, e->type, vals, gb_count_of(vals));
LLVMSetInitializer(global, init);
} else {
LLVMSetInitializer(global, value.value);
}
}
lbValue global_val = {global, alloc_type_pointer(e->type)};
lb_add_entity(p->module, e, global_val);