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// run
// Copyright 2019 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.
// Values smaller than 64-bits were mistakenly always proven to be
// non-negative.
//
// The tests here are marked go:noinline to ensure they're
// independently optimized by SSA.
package main
var x int32 = -1
//go:noinline
func a() {
if x != -1 {
panic(1)
}
if x > 0 || x != -1 {
panic(2)
}
}
//go:noinline
func b() {
if x != -1 {
panic(3)
}
if x > 0 {
panic(4)
}
}
//go:noinline
func c() {
if x > 0 || x != -1 {
panic(5)
}
if x > 0 || x != -1 {
panic(6)
}
}
func main() {
a()
b()
c()
}
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