Adding upstream version 1.16.10.upstream/1.16.10upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 108 insertions, 0 deletions

diff --git a/test/phiopt.go b/test/phiopt.go
new file mode 100644
index 0000000..98a7b75
--- /dev/null
+++ b/test/phiopt.go
@@ -0,0 +1,108 @@
+// +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() {
+}