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Add #soa pointer type to aid with refactoring to #soa data types

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a: #soa[16]Foo
p := &a[6]
#assert(type_of(p) == #soa^#soa[16]Foo)
p^.x = 123
p.x = 123
This commit is contained in:
gingerBill
2022-08-08 15:07:00 +01:00
parent 4633591918
commit 5e3cf45df3
24 changed files with 274 additions and 23 deletions
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src/llvm_backend_utility.cpp
+34 -1
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@@ -1007,6 +1007,11 @@ lbValue lb_emit_struct_ep(lbProcedure *p, lbValue s, i32 index) {
case 0: result_type = t->RelativeSlice.base_integer; break;
case 1: result_type = t->RelativeSlice.base_integer; break;
}
} else if (is_type_soa_pointer(t)) {
switch (index) {
case 0: result_type = alloc_type_pointer(t->SoaPointer.elem); break;
case 1: result_type = t_int; break;
}
} else {
GB_PANIC("TODO(bill): struct_gep type: %s, %d", type_to_string(s.type), index);
}
@@ -1137,6 +1142,13 @@ lbValue lb_emit_struct_ev(lbProcedure *p, lbValue s, i32 index) {
result_type = t->Array.elem;
break;
case Type_SoaPointer:
switch (index) {
case 0: result_type = alloc_type_pointer(t->SoaPointer.elem); break;
case 1: result_type = t_int; break;
}
break;
default:
GB_PANIC("TODO(bill): struct_ev type: %s, %d", type_to_string(s.type), index);
break;
@@ -1164,7 +1176,28 @@ lbValue lb_emit_deep_field_gep(lbProcedure *p, lbValue e, Selection sel) {
}
type = core_type(type);
if (is_type_quaternion(type)) {
if (type->kind == Type_SoaPointer) {
lbValue addr = lb_emit_struct_ep(p, e, 0);
lbValue index = lb_emit_struct_ep(p, e, 1);
addr = lb_emit_load(p, addr);
index = lb_emit_load(p, index);
i32 first_index = sel.index[0];
Selection sub_sel = sel;
sub_sel.index.data += 1;
sub_sel.index.count -= 1;
lbValue arr = lb_emit_struct_ep(p, addr, first_index);
Type *t = base_type(type_deref(addr.type));
GB_ASSERT(is_type_soa_struct(t));
if (t->Struct.soa_kind == StructSoa_Fixed) {
e = lb_emit_array_ep(p, arr, index);
} else {
e = lb_emit_ptr_offset(p, lb_emit_load(p, arr), index);
}
} else if (is_type_quaternion(type)) {
e = lb_emit_struct_ep(p, e, index);
} else if (is_type_raw_union(type)) {
type = get_struct_field_type(type, index);