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https://github.com/golang/go
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6ec993adc3
The new SSA backend modifies the ABI slightly: R0 is now a usable general purpose register. Fixes #16677. Change-Id: I367435ce921e0c7e79e021c80cf8ef5d1d1466cf Reviewed-on: https://go-review.googlesource.com/28978 Run-TryBot: Michael Munday <munday@ca.ibm.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Keith Randall <khr@golang.org>
109 lines
1.7 KiB
Go
109 lines
1.7 KiB
Go
// +build amd64,s390x
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// errorcheck -0 -d=ssa/phiopt/debug=3
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// Copyright 2016 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package main
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//go:noinline
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func f0(a bool) bool {
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x := false
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if a {
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x = true
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} else {
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x = false
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}
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return x // ERROR "converted OpPhi to Copy$"
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}
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//go:noinline
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func f1(a bool) bool {
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x := false
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if a {
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x = false
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} else {
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x = true
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}
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return x // ERROR "converted OpPhi to Not$"
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}
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//go:noinline
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func f2(a, b int) bool {
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x := true
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if a == b {
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x = false
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}
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return x // ERROR "converted OpPhi to Not$"
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}
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//go:noinline
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func f3(a, b int) bool {
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x := false
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if a == b {
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x = true
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}
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return x // ERROR "converted OpPhi to Copy$"
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}
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//go:noinline
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func f4(a, b bool) bool {
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return a || b // ERROR "converted OpPhi to OrB$"
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}
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//go:noinline
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func f5or(a int, b bool) bool {
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var x bool
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if a == 0 {
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x = true
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} else {
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x = b
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}
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return x // ERROR "converted OpPhi to OrB$"
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}
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//go:noinline
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func f5and(a int, b bool) bool {
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var x bool
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if a == 0 {
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x = b
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} else {
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x = false
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}
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return x // ERROR "converted OpPhi to AndB$"
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}
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//go:noinline
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func f6or(a int, b bool) bool {
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x := b
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if a == 0 {
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// f6or has side effects so the OpPhi should not be converted.
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x = f6or(a, b)
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}
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return x
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}
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//go:noinline
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func f6and(a int, b bool) bool {
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x := b
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if a == 0 {
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// f6and has side effects so the OpPhi should not be converted.
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x = f6and(a, b)
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}
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return x
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}
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//go:noinline
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func f7or(a bool, b bool) bool {
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return a || b // ERROR "converted OpPhi to OrB$"
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}
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//go:noinline
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func f7and(a bool, b bool) bool {
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return a && b // ERROR "converted OpPhi to AndB$"
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}
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func main() {
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}
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