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authorgingerBill <bill@gingerbill.org>2025-02-25 14:29:14 +0000
committergingerBill <bill@gingerbill.org>2025-02-25 14:29:14 +0000
commitf9d85a731161c2285844be520e48f8cf8d41bc78 (patch)
treec4f94513578bb40405230707ee1fd440b05c5bb4 /src/llvm_backend_general.cpp
parent22ab8935c414adf04d08d50e86867b7df141ef2c (diff)
Try to make globally generated variables deterministic in name
Diffstat (limited to 'src/llvm_backend_general.cpp')
-rw-r--r--src/llvm_backend_general.cpp35
1 files changed, 11 insertions, 24 deletions
diff --git a/src/llvm_backend_general.cpp b/src/llvm_backend_general.cpp
index 80856ac8c..54c1f5c38 100644
--- a/src/llvm_backend_general.cpp
+++ b/src/llvm_backend_general.cpp
@@ -1007,7 +1007,7 @@ gb_internal void lb_emit_store(lbProcedure *p, lbValue ptr, lbValue value) {
LLVMConstInt(LLVMInt64TypeInContext(p->module->ctx), lb_sizeof(LLVMTypeOf(value.value)), false));
return;
} else if (LLVMIsConstant(value.value)) {
- lbAddr addr = lb_add_global_generated(p->module, value.type, value, nullptr);
+ lbAddr addr = lb_add_global_generated_from_procedure(p, value.type, value);
lb_make_global_private_const(addr);
LLVMValueRef dst_ptr = ptr.value;
@@ -2779,18 +2779,13 @@ gb_internal lbValue lb_generate_anonymous_proc_lit(lbModule *m, String const &pr
}
-gb_internal lbAddr lb_add_global_generated(lbModule *m, Type *type, lbValue value, Entity **entity_) {
+gb_internal lbAddr lb_add_global_generated_with_name(lbModule *m, Type *type, lbValue value, String name, Entity **entity_) {
GB_ASSERT(type != nullptr);
type = default_type(type);
isize max_len = 7+8+1;
u8 *str = cast(u8 *)gb_alloc_array(permanent_allocator(), u8, max_len);
- u32 id = m->gen->global_generated_index.fetch_add(1);
-
- isize len = gb_snprintf(cast(char *)str, max_len, "ggv$%x", id);
- String name = make_string(str, len-1);
-
Scope *scope = nullptr;
Entity *e = alloc_entity_variable(scope, make_token_ident(name), type);
lbValue g = {};
@@ -2811,32 +2806,24 @@ gb_internal lbAddr lb_add_global_generated(lbModule *m, Type *type, lbValue valu
return lb_addr(g);
}
-gb_internal lbAddr lb_add_global_generated_with_name(lbModule *m, Type *type, lbValue value, String name) {
+
+gb_internal lbAddr lb_add_global_generated_from_procedure(lbProcedure *p, Type *type, lbValue value) {
GB_ASSERT(type != nullptr);
type = default_type(type);
- isize max_len = 7+8+1;
- u8 *str = cast(u8 *)gb_alloc_array(permanent_allocator(), u8, max_len);
+ u32 index = ++p->global_generated_index;
- Scope *scope = nullptr;
- Entity *e = alloc_entity_variable(scope, make_token_ident(name), type);
- lbValue g = {};
- g.type = alloc_type_pointer(type);
- g.value = LLVMAddGlobal(m->mod, lb_type(m, type), cast(char const *)str);
- if (value.value != nullptr) {
- GB_ASSERT_MSG(LLVMIsConstant(value.value), LLVMPrintValueToString(value.value));
- LLVMSetInitializer(g.value, value.value);
- } else {
- LLVMSetInitializer(g.value, LLVMConstNull(lb_type(m, type)));
- }
+ gbString s = gb_string_make(temporary_allocator(), "ggv$");
+ s = gb_string_append_length(s, p->name.text, p->name.len);
+ s = gb_string_append_fmt(s, "$%u", index);
- lb_add_entity(m, e, g);
- lb_add_member(m, name, g);
- return lb_addr(g);
+ String name = make_string(cast(u8 const *)s, gb_string_length(s));
+ return lb_add_global_generated_with_name(p->module, type, value, name);
}
+
gb_internal lbValue lb_find_runtime_value(lbModule *m, String const &name) {
AstPackage *p = m->info->runtime_package;
Entity *e = scope_lookup_current(p->scope, name);