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// run
// Copyright 2015 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.
// Issue 12133. The CX register was getting clobbered
// because we did not keep track of its allocation correctly.
package main
import "fmt"
func main() {
want := uint(48)
got := f1(48)
if got != want {
fmt.Println("got", got, ", wanted", want)
panic("bad")
}
}
func f1(v1 uint) uint {
switch {
} // prevent inlining
return v1 >> ((1 >> v1) + (1 >> v1))
}
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