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Use a giant packed struct working for type info table

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This commit is contained in:
gingerBill
2023-09-22 15:32:32 +01:00
parent 082324d7b9
commit 61f39ae0a0
3 changed files with 107 additions and 64 deletions
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src/llvm_backend.cpp
+23 -2
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@@ -1025,8 +1025,10 @@ gb_internal lbProcedure *lb_create_startup_type_info(lbModule *m) {
LLVMSetLinkage(p->value, LLVMInternalLinkage);
lb_add_attribute_to_proc(m, p->value, "nounwind");
lb_add_attribute_to_proc(m, p->value, "optnone");
lb_add_attribute_to_proc(m, p->value, "noinline");
if (!LB_USE_GIANT_PACKED_STRUCT) {
lb_add_attribute_to_proc(m, p->value, "optnone");
lb_add_attribute_to_proc(m, p->value, "noinline");
}
lb_begin_procedure_body(p);
@@ -2243,6 +2245,10 @@ gb_internal bool lb_generate_code(lbGenerator *gen) {
lb_global_type_info_data_entity = alloc_entity_variable(nullptr, make_token_ident(LB_TYPE_INFO_DATA_NAME), t, EntityState_Resolved);
lb_add_entity(m, lb_global_type_info_data_entity, value);
if (LB_USE_GIANT_PACKED_STRUCT) {
lb_make_global_private_const(g);
}
}
{ // Type info member buffer
// NOTE(bill): Removes need for heap allocation by making it global memory
@@ -2274,6 +2280,9 @@ gb_internal bool lb_generate_code(lbGenerator *gen) {
LLVMValueRef g = LLVMAddGlobal(m->mod, lb_type(m, t), name);
LLVMSetInitializer(g, LLVMConstNull(lb_type(m, t)));
LLVMSetLinkage(g, LLVMInternalLinkage);
if (LB_USE_GIANT_PACKED_STRUCT) {
lb_make_global_private_const(g);
}
lb_global_type_info_member_types = lb_addr({g, alloc_type_pointer(t)});
}
@@ -2283,6 +2292,9 @@ gb_internal bool lb_generate_code(lbGenerator *gen) {
LLVMValueRef g = LLVMAddGlobal(m->mod, lb_type(m, t), name);
LLVMSetInitializer(g, LLVMConstNull(lb_type(m, t)));
LLVMSetLinkage(g, LLVMInternalLinkage);
if (LB_USE_GIANT_PACKED_STRUCT) {
lb_make_global_private_const(g);
}
lb_global_type_info_member_names = lb_addr({g, alloc_type_pointer(t)});
}
{
@@ -2291,6 +2303,9 @@ gb_internal bool lb_generate_code(lbGenerator *gen) {
LLVMValueRef g = LLVMAddGlobal(m->mod, lb_type(m, t), name);
LLVMSetInitializer(g, LLVMConstNull(lb_type(m, t)));
LLVMSetLinkage(g, LLVMInternalLinkage);
if (LB_USE_GIANT_PACKED_STRUCT) {
lb_make_global_private_const(g);
}
lb_global_type_info_member_offsets = lb_addr({g, alloc_type_pointer(t)});
}
@@ -2300,6 +2315,9 @@ gb_internal bool lb_generate_code(lbGenerator *gen) {
LLVMValueRef g = LLVMAddGlobal(m->mod, lb_type(m, t), name);
LLVMSetInitializer(g, LLVMConstNull(lb_type(m, t)));
LLVMSetLinkage(g, LLVMInternalLinkage);
if (LB_USE_GIANT_PACKED_STRUCT) {
lb_make_global_private_const(g);
}
lb_global_type_info_member_usings = lb_addr({g, alloc_type_pointer(t)});
}
@@ -2309,6 +2327,9 @@ gb_internal bool lb_generate_code(lbGenerator *gen) {
LLVMValueRef g = LLVMAddGlobal(m->mod, lb_type(m, t), name);
LLVMSetInitializer(g, LLVMConstNull(lb_type(m, t)));
LLVMSetLinkage(g, LLVMInternalLinkage);
if (LB_USE_GIANT_PACKED_STRUCT) {
lb_make_global_private_const(g);
}
lb_global_type_info_member_tags = lb_addr({g, alloc_type_pointer(t)});
}
}