Fix Addressing for SOA on store; Add intrinsics.type_struct_field_count(T)

src/check_expr.cpp

@@ -5768,6 +5768,20 @@ bool check_builtin_procedure(CheckerContext *c, Operand *operand, Ast *call, i32
 		}
 		break;
 
+	case BuiltinProc_type_struct_field_count:
+		operand->value = exact_value_i64(0);
+		if (operand->mode != Addressing_Type) {
+			error(operand->expr, "Expected a struct type for '%.*s'", LIT(builtin_name));
+		} else if (!is_type_struct(operand->type)) {
+			error(operand->expr, "Expected a struct type for '%.*s'", LIT(builtin_name));
+		} else {
+			Type *bt = base_type(operand->type);
+			operand->value = exact_value_i64(bt->Struct.fields.count);
+		}
+		operand->mode = Addressing_Constant;
+		operand->type = t_untyped_integer;
+		break;
+
 	case BuiltinProc_type_proc_parameter_count:
 		operand->value = exact_value_i64(0);
 		if (operand->mode != Addressing_Type) {

src/checker_builtin_procs.hpp

@@ -171,6 +171,8 @@ BuiltinProc__type_simple_boolean_end,
 
 	BuiltinProc_type_is_specialization_of,
 
+	BuiltinProc_type_struct_field_count,
+
 	BuiltinProc_type_proc_parameter_count,
 	BuiltinProc_type_proc_return_count,
 
@@ -357,6 +359,9 @@ gb_global BuiltinProc builtin_procs[BuiltinProc_COUNT] = {
 	{STR_LIT("type_has_field"),            2, false, Expr_Expr, BuiltinProcPkg_intrinsics},
 
 	{STR_LIT("type_is_specialization_of"), 2, false, Expr_Expr, BuiltinProcPkg_intrinsics},
+
+	{STR_LIT("type_struct_field_count"),   1, false, Expr_Expr, BuiltinProcPkg_intrinsics},
+
 	{STR_LIT("type_proc_parameter_count"), 1, false, Expr_Expr, BuiltinProcPkg_intrinsics},
 	{STR_LIT("type_proc_return_count"),    1, false, Expr_Expr, BuiltinProcPkg_intrinsics},
 

src/ir.cpp

@@ -3932,22 +3932,39 @@ void ir_addr_store(irProcedure *proc, irAddr addr, irValue *value) {
 		Type *t = type_deref(ir_type(addr.addr));
 		t = base_type(t);
 		GB_ASSERT(t->kind == Type_Struct && t->Struct.soa_kind != StructSoa_None);
-		value = ir_emit_conv(proc, value, t->Struct.soa_elem);
+		Type *elem_type = t->Struct.soa_elem;
+		value = ir_emit_conv(proc, value, elem_type);
+		elem_type = base_type(elem_type);
 
 		irValue *index = addr.soa.index;
 		if (index->kind != irValue_Constant || t->Struct.soa_kind != StructSoa_Fixed) {
 			Type *t = base_type(type_deref(ir_type(addr.addr)));
 			GB_ASSERT(t->kind == Type_Struct && t->Struct.soa_kind != StructSoa_None);
-			i64 count = t->Struct.soa_count;
+			irValue *len = ir_soa_struct_len(proc, addr.addr);
-			irValue *len = ir_const_int(count);
 			ir_emit_bounds_check(proc, ast_token(addr.soa.index_expr), index, len);
 		}
 
-		for_array(i, t->Struct.fields) {
+		isize field_count = 0;
+
+		switch (elem_type->kind) {
+		case Type_Struct:
+			field_count = elem_type->Struct.fields.count;
+			break;
+		case Type_Array:
+			field_count = elem_type->Array.count;
+			break;
+		}
+		for (isize i = 0; i < field_count; i++) {
 			irValue *dst = ir_emit_struct_ep(proc, addr.addr, cast(i32)i);
-			dst = ir_emit_array_ep(proc, dst, index);
 			irValue *src = ir_emit_struct_ev(proc, value, cast(i32)i);
-			ir_emit_store(proc, dst, src);
+			if (t->Struct.soa_kind == StructSoa_Fixed) {
+				dst = ir_emit_array_ep(proc, dst, index);
+				ir_emit_store(proc, dst, src);
+			} else {
+				irValue *field = ir_emit_load(proc, dst);
+				dst = ir_emit_ptr_offset(proc, field, index);
+				ir_emit_store(proc, dst, src);
+			}
 		}
 		return;
 	}

src/llvm_backend.cpp

@@ -406,22 +406,39 @@ void lb_addr_store(lbProcedure *p, lbAddr addr, lbValue value) {
 		Type *t = type_deref(addr.addr.type);
 		t = base_type(t);
 		GB_ASSERT(t->kind == Type_Struct && t->Struct.soa_kind != StructSoa_None);
-		value = lb_emit_conv(p, value, t->Struct.soa_elem);
+		Type *elem_type = t->Struct.soa_elem;
+		value = lb_emit_conv(p, value, elem_type);
+		elem_type = base_type(elem_type);
 
 		lbValue index = addr.soa.index;
 		if (!lb_is_const(index) || t->Struct.soa_kind != StructSoa_Fixed) {
 			Type *t = base_type(type_deref(addr.addr.type));
 			GB_ASSERT(t->kind == Type_Struct && t->Struct.soa_kind != StructSoa_None);
-			i64 count = t->Struct.soa_count;
+			lbValue len = lb_soa_struct_len(p, addr.addr);
-			lbValue len = lb_const_int(p->module, t_int, count);
 			lb_emit_bounds_check(p, ast_token(addr.soa.index_expr), index, len);
 		}
 
-		for_array(i, t->Struct.fields) {
+		isize field_count = 0;
+
+		switch (elem_type->kind) {
+		case Type_Struct:
+			field_count = elem_type->Struct.fields.count;
+			break;
+		case Type_Array:
+			field_count = elem_type->Array.count;
+			break;
+		}
+		for (isize i = 0; i < field_count; i++) {
 			lbValue dst = lb_emit_struct_ep(p, addr.addr, cast(i32)i);
-			dst = lb_emit_array_ep(p, dst, index);
 			lbValue src = lb_emit_struct_ev(p, value, cast(i32)i);
-			lb_emit_store(p, dst, src);
+			if (t->Struct.soa_kind == StructSoa_Fixed) {
+				dst = lb_emit_array_ep(p, dst, index);
+				lb_emit_store(p, dst, src);
+			} else {
+				lbValue field = lb_emit_load(p, dst);
+				dst = lb_emit_ptr_offset(p, field, index);
+				lb_emit_store(p, dst, src);
+			}
 		}
 		return;
 	}

src/types.cpp

@@ -1865,6 +1865,9 @@ bool is_type_comparable(Type *t) {
 		if (type_size_of(t) == 0) {
 			return false;
 		}
+		if (t->Struct.soa_kind != StructSoa_None) {
+			return false;
+		}
 		if (t->Struct.is_raw_union) {
 			return is_type_simple_compare(t);
 		}