1// Derived from code in LLVM, which is:
2// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
3// See https://llvm.org/LICENSE.txt for license information.
4// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
5
6pub(crate) fn align_to_power_of2(value: u64, align: u64) -> u64 {
7 assert!(
8 align != 0 && (align & (align - 1)) == 0,
9 "Align must be a power of 2"
10 );
11 // Replace unary minus to avoid compilation error on Windows:
12 // "unary minus operator applied to unsigned type, result still unsigned"
13 let neg_align: u64 = !(align) + 1;
14 (value + align - 1) & neg_align
15}
16