golang/test/fixedbugs/issue23521.go

44 lines
773 B
Go

// errorcheck -0 -m
// Copyright 2018 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 23521: improve early DCE for if without explicit else.
package p
//go:noinline
func nonleaf() {}
const truth = true
func f() int { // ERROR "can inline f"
if truth {
return 0
}
// If everything below is removed, as it should,
// function f should be inlineable.
nonleaf()
for {
panic("")
}
}
func g() int { // ERROR "can inline g"
return f() // ERROR "inlining call to f"
}
func f2() int { // ERROR "can inline f2"
if !truth {
nonleaf()
} else {
return 0
}
panic("")
}
func g2() int { // ERROR "can inline g2"
return f2() // ERROR "inlining call to f2"
}