1// errorcheckwithauto -0 -m -d=inlfuncswithclosures=1
2
3//go:build (386 || amd64 || arm64 || ppc64le || s390x) && !gcflags_noopt
4
5// Copyright 2021 The Go Authors. All rights reserved.
6// Use of this source code is governed by a BSD-style
7// license that can be found in the LICENSE file.
8
9// Similar to inline.go, but only for architectures that can merge loads.
10
11package foo
12
13import (
14	"encoding/binary"
15)
16
17// Ensure that simple encoding/binary functions are cheap enough
18// that functions using them can also be inlined (issue 42958).
19func endian(b []byte) uint64 { // ERROR "can inline endian" "b does not escape"
20	return binary.LittleEndian.Uint64(b) + binary.BigEndian.Uint64(b) // ERROR "inlining call to binary.littleEndian.Uint64" "inlining call to binary.bigEndian.Uint64"
21}
22
23func appendLittleEndian(b []byte) []byte { // ERROR "can inline appendLittleEndian" "leaking param: b to result ~r0 level=0"
24	b = binary.LittleEndian.AppendUint64(b, 64) // ERROR "inlining call to binary.littleEndian.AppendUint64"
25	b = binary.LittleEndian.AppendUint32(b, 32) // ERROR "inlining call to binary.littleEndian.AppendUint32"
26	b = binary.LittleEndian.AppendUint16(b, 16) // ERROR "inlining call to binary.littleEndian.AppendUint16"
27	return b
28}
29
30func appendBigEndian(b []byte) []byte { // ERROR "can inline appendBigEndian" "leaking param: b to result ~r0 level=0"
31	b = binary.BigEndian.AppendUint64(b, 64) // ERROR "inlining call to binary.bigEndian.AppendUint64"
32	b = binary.BigEndian.AppendUint32(b, 32) // ERROR "inlining call to binary.bigEndian.AppendUint32"
33	b = binary.BigEndian.AppendUint16(b, 16) // ERROR "inlining call to binary.bigEndian.AppendUint16"
34	return b
35}
36