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Fix string16 literal length set in LLVM

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This commit is contained in:
gingerBill
2025-08-02 13:11:34 +01:00
parent e049dde582
commit dca9bf0b0c
3 changed files with 12 additions and 7 deletions
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13
src/llvm_backend_const.cpp
View File

@@ -782,9 +782,12 @@ gb_internal lbValue lb_const_value(lbModule *m, Type *type, ExactValue value, lb
lbValue res = {};
res.type = default_type(original_type);
isize len = value.value_string.len;
if (is_type_string16(res.type) || is_type_cstring16(res.type)) {
TEMPORARY_ALLOCATOR_GUARD();
String16 s16 = string_to_string16(temporary_allocator(), value.value_string);
len = s16.len;
ptr = lb_find_or_add_entity_string16_ptr(m, s16, custom_link_section);
} else {
ptr = lb_find_or_add_entity_string_ptr(m, value.value_string, custom_link_section);
@@ -797,10 +800,14 @@ gb_internal lbValue lb_const_value(lbModule *m, Type *type, ExactValue value, lb
if (is_type_cstring(res.type) || is_type_cstring16(res.type)) {
res.value = ptr;
} else {
if (value.value_string.len == 0) {
ptr = LLVMConstNull(lb_type(m, t_u8_ptr));
if (len == 0) {
if (is_type_string16(res.type)) {
ptr = LLVMConstNull(lb_type(m, t_u16_ptr));
} else {
ptr = LLVMConstNull(lb_type(m, t_u8_ptr));
}
}
LLVMValueRef str_len = LLVMConstInt(lb_type(m, t_int), value.value_string.len, true);
LLVMValueRef str_len = LLVMConstInt(lb_type(m, t_int), len, true);
GB_ASSERT(is_type_string(original_type));
if (is_type_string16(res.type)) {

4
src/llvm_backend_general.cpp
View File

@@ -2758,7 +2758,7 @@ gb_internal LLVMValueRef lb_find_or_add_entity_string16_ptr(lbModule *m, String1
LLVMValueRef global_data = LLVMAddGlobal(m->mod, type, name);
LLVMSetInitializer(global_data, data);
lb_make_global_private_const(global_data);
LLVMSetAlignment(global_data, 1);
LLVMSetAlignment(global_data, 2);
LLVMValueRef ptr = LLVMConstInBoundsGEP2(type, global_data, indices, 2);
if (!custom_link_section) {
@@ -2855,7 +2855,7 @@ gb_internal lbValue lb_find_or_add_entity_string16_slice_with_type(lbModule *m,
LLVMValueRef global_data = LLVMAddGlobal(m->mod, type, name);
LLVMSetInitializer(global_data, data);
lb_make_global_private_const(global_data);
LLVMSetAlignment(global_data, 1);
LLVMSetAlignment(global_data, 2);
i64 data_len = str.len;
LLVMValueRef ptr = nullptr;

2
src/string.cpp
View File

@@ -658,7 +658,6 @@ gb_internal String normalize_path(gbAllocator a, String const &path, String cons
// TODO(bill): Make this non-windows specific
gb_internal String16 string_to_string16(gbAllocator a, String s) {
int len, len1;
u16 *text;
@@ -680,7 +679,6 @@ gb_internal String16 string_to_string16(gbAllocator a, String s) {
return make_string16(nullptr, 0);
}
text[len] = 0;
return make_string16(text, len);
}