1 files changed, 35 insertions, 0 deletions
diff --git a/test/inline_endian.go b/test/inline_endian.go
new file mode 100644
index 0000000..fc94321
--- /dev/null
+++ b/test/inline_endian.go
@@ -0,0 +1,35 @@
+// errorcheckwithauto -0 -m -d=inlfuncswithclosures=1
+
+//go:build (386 || amd64 || arm64 || ppc64le || s390x) && !gcflags_noopt
+
+// Copyright 2021 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// Similar to inline.go, but only for architectures that can merge loads.
+
+package foo
+
+import (
+	"encoding/binary"
+)
+
+// Ensure that simple encoding/binary functions are cheap enough
+// that functions using them can also be inlined (issue 42958).
+func endian(b []byte) uint64 { // ERROR "can inline endian" "b does not escape"
+	return binary.LittleEndian.Uint64(b) + binary.BigEndian.Uint64(b) // ERROR "inlining call to binary.littleEndian.Uint64" "inlining call to binary.bigEndian.Uint64"
+}
+
+func appendLittleEndian(b []byte) []byte { // ERROR "can inline appendLittleEndian" "leaking param: b to result ~r0 level=0"
+	b = binary.LittleEndian.AppendUint64(b, 64) // ERROR "inlining call to binary.littleEndian.AppendUint64"
+	b = binary.LittleEndian.AppendUint32(b, 32) // ERROR "inlining call to binary.littleEndian.AppendUint32"
+	b = binary.LittleEndian.AppendUint16(b, 16) // ERROR "inlining call to binary.littleEndian.AppendUint16"
+	return b
+}
+
+func appendBigEndian(b []byte) []byte { // ERROR "can inline appendBigEndian" "leaking param: b to result ~r0 level=0"
+	b = binary.BigEndian.AppendUint64(b, 64) // ERROR "inlining call to binary.bigEndian.AppendUint64"
+	b = binary.BigEndian.AppendUint32(b, 32) // ERROR "inlining call to binary.bigEndian.AppendUint32"
+	b = binary.BigEndian.AppendUint16(b, 16) // ERROR "inlining call to binary.bigEndian.AppendUint16"
+	return b
+}