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go/test/phiopt.go
Alexandru Moșoi 8b92397bcd cmd/compile: introduce bool operations.
Introduce OrB, EqB, NeqB, AndB to handle bool operations.

Change-Id: I53e4d5125a8090d5eeb4576db619103f19fff58d
Reviewed-on: https://go-review.googlesource.com/22412
Reviewed-by: Keith Randall <khr@golang.org>
2016-04-25 20:43:04 +00:00

109 lines
1.7 KiB
Go

// +build amd64
// 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() {
}