/usr/share/go-1.8/test/phiopt.go is in golang-1.8-src 1.8.3-2ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 | // +build amd64 s390x
// errorcheck -0 -d=ssa/phiopt/debug=3
// Copyright 2016 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.
package main
//go:noinline
func f0(a bool) bool {
x := false
if a {
x = true
} else {
x = false
}
return x // ERROR "converted OpPhi to Copy$"
}
//go:noinline
func f1(a bool) bool {
x := false
if a {
x = false
} else {
x = true
}
return x // ERROR "converted OpPhi to Not$"
}
//go:noinline
func f2(a, b int) bool {
x := true
if a == b {
x = false
}
return x // ERROR "converted OpPhi to Not$"
}
//go:noinline
func f3(a, b int) bool {
x := false
if a == b {
x = true
}
return x // ERROR "converted OpPhi to Copy$"
}
//go:noinline
func f4(a, b bool) bool {
return a || b // ERROR "converted OpPhi to OrB$"
}
//go:noinline
func f5or(a int, b bool) bool {
var x bool
if a == 0 {
x = true
} else {
x = b
}
return x // ERROR "converted OpPhi to OrB$"
}
//go:noinline
func f5and(a int, b bool) bool {
var x bool
if a == 0 {
x = b
} else {
x = false
}
return x // ERROR "converted OpPhi to AndB$"
}
//go:noinline
func f6or(a int, b bool) bool {
x := b
if a == 0 {
// f6or has side effects so the OpPhi should not be converted.
x = f6or(a, b)
}
return x
}
//go:noinline
func f6and(a int, b bool) bool {
x := b
if a == 0 {
// f6and has side effects so the OpPhi should not be converted.
x = f6and(a, b)
}
return x
}
//go:noinline
func f7or(a bool, b bool) bool {
return a || b // ERROR "converted OpPhi to OrB$"
}
//go:noinline
func f7and(a bool, b bool) bool {
return a && b // ERROR "converted OpPhi to AndB$"
}
func main() {
}
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