File: issue23521.go

package info (click to toggle)
golang-1.23 1.23.4-2
  • links: PTS, VCS
  • area: main
  • in suites: experimental, sid
  • size: 157,684 kB
  • sloc: asm: 127,587; ansic: 6,951; sh: 2,218; javascript: 1,664; perl: 1,052; python: 366; makefile: 88; cpp: 39; f90: 8; awk: 7; objc: 4
file content (43 lines) | stat: -rw-r--r-- 773 bytes parent folder | download | duplicates (29)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
// 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"
}