| // Copyright 2021 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. |
| |
| // go:build ignore |
| |
| package testdata |
| |
| type I interface { |
| Foo() string |
| } |
| |
| type B struct { |
| p string |
| } |
| |
| func (b B) Foo() string { return b.p } |
| |
| func Baz(m map[I]*I) { |
| for i, v := range m { |
| *v = B{p: i.Foo()} |
| } |
| } |
| |
| // Relevant SSA: |
| // func Baz(m map[I]*I): |
| // 0: |
| // t0 = range m |
| // jump 1 |
| // 1: |
| // t1 = next t0 |
| // t2 = extract t1 #0 |
| // if t2 goto 2 else 3 |
| // 2: |
| // t3 = extract t1 #1 |
| // t4 = extract t1 #2 |
| // t5 = local B (complit) |
| // t6 = &t5.p [#0] |
| // t7 = invoke t3.Foo() |
| // *t6 = t7 |
| // t8 = *t5 |
| // t9 = make I <- B (t8) |
| // *t4 = t9 |
| // jump 1 |
| // 3: |
| // return |
| |
| // WANT: |
| // MapKey(testdata.I) -> Local(t1[1]) |
| // Local(t1[1]) -> Local(t3) |
| // MapValue(*testdata.I) -> Local(t1[2]) |
| // Local(t1[2]) -> Local(t4), MapValue(*testdata.I) |
| // Local(t8) -> Local(t9) |
| // Local(t9) -> Local(t4) |
| // Local(t4) -> Local(t1[2]) |