This commit is contained in:
gingerBill
2017-11-10 21:43:37 +00:00
parent 1d2eb8055e
commit 85fab55e57

View File

@@ -4130,35 +4130,42 @@ irValue *ir_build_builtin_proc(irProcedure *proc, AstNode *expr, TypeAndValue tv
Type *elem_type = core_type(type)->Slice.elem;
Type *elem_ptr_type = make_type_pointer(a, elem_type);
irValue *elem_size = ir_const_int(a, type_size_of(a, elem_type));
irValue *elem_align = ir_const_int(a, type_align_of(a, elem_type));
i64 esz = type_size_of(a, elem_type);
i64 eal = type_align_of(a, elem_type);
irValue *count = ir_emit_conv(proc, ir_build_expr(proc, ce->args[1]), t_int);
irValue *capacity = count;
irValue *elem_size = ir_const_int(a, esz);
irValue *elem_align = ir_const_int(a, eal);
irValue *len = ir_emit_conv(proc, ir_build_expr(proc, ce->args[1]), t_int);
irValue *cap = len;
if (ce->args.count == 3) {
capacity = ir_emit_conv(proc, ir_build_expr(proc, ce->args[2]), t_int);
cap = ir_emit_conv(proc, ir_build_expr(proc, ce->args[2]), t_int);
}
ir_emit_slice_bounds_check(proc, ast_node_token(ce->args[1]), v_zero, count, capacity, false);
ir_emit_slice_bounds_check(proc, ast_node_token(ce->args[1]), v_zero, len, cap, false);
irValue *slice_size = ir_emit_arith(proc, Token_Mul, elem_size, capacity, t_int);
irValue *slice_size = cap;
if (eal != 1) {
slice_size = ir_emit_arith(proc, Token_Mul, elem_size, cap, t_int);
}
TokenPos pos = ast_node_token(ce->args[0]).pos;
irValue **args = gb_alloc_array(a, irValue *, 3);
args[0] = slice_size;
args[1] = elem_align;
args[2] = ir_emit_source_code_location(proc, proc_name, ast_node_token(expr).pos);
args[2] = ir_emit_source_code_location(proc, proc_name, pos);
irValue *call = ir_emit_global_call(proc, "alloc", args, 3);
irValue *ptr = ir_emit_conv(proc, call, elem_ptr_type);
if (ir_type_has_default_values(elem_type)) {
ir_init_data_with_defaults(proc, ptr, count);
ir_init_data_with_defaults(proc, ptr, len);
}
irValue *slice = ir_add_local_generated(proc, type);
ir_fill_slice(proc, slice, ptr, count, capacity);
ir_fill_slice(proc, slice, ptr, len, cap);
return ir_emit_load(proc, slice);
} else if (is_type_map(type)) {
irValue *int_16 = ir_const_int(a, 16);