| 1 | // Copyright 2021 The Go Authors. All rights reserved. |
|---|---|
| 2 | // Use of this source code is governed by a BSD-style |
| 3 | // license that can be found in the LICENSE file. |
| 4 | |
| 5 | // go:build ignore |
| 6 | |
| 7 | package testdata |
| 8 | |
| 9 | func Foo() {} |
| 10 | |
| 11 | func Do(b bool) func() { |
| 12 | if b { |
| 13 | return Foo |
| 14 | } |
| 15 | return func() {} |
| 16 | } |
| 17 | |
| 18 | func Finish(h func()) { |
| 19 | h() |
| 20 | } |
| 21 | |
| 22 | func Baz(b bool) { |
| 23 | Finish(Do(b)) |
| 24 | } |
| 25 | |
| 26 | // Relevant SSA: |
| 27 | // func Baz(b bool): |
| 28 | // t0 = Do(b) |
| 29 | // t1 = Finish(t0) |
| 30 | // return |
| 31 | |
| 32 | // func Do(b bool) func(): |
| 33 | // if b goto 1 else 2 |
| 34 | // 1: |
| 35 | // return Foo |
| 36 | // 2: |
| 37 | // return Do$1 |
| 38 | |
| 39 | // func Finish(h func()): |
| 40 | // t0 = h() |
| 41 | // return |
| 42 | |
| 43 | // WANT: |
| 44 | // Baz: Do(b) -> Do; Finish(t0) -> Finish |
| 45 | // Finish: h() -> Do$1, Foo |
| 46 |