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// 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() I
}
type A struct {
i int
a *A
}
func (a *A) Foo() I {
return a
}
type B **B
type C *D
type D *C
func Bar(a *A, b *B, c *C, d *D) {
Baz(a)
Baz(a.a)
sink(*b)
sink(*c)
sink(*d)
}
func Baz(i I) {
i.Foo()
}
func sink(i interface{}) {
print(i)
}
// Relevant SSA:
// func Baz(i I):
// t0 = invoke i.Foo()
// return
//
// func Bar(a *A, b *B):
// t0 = make I <- *A (a)
// t1 = Baz(t0)
// ...
// WANT:
// Bar: Baz(t0) -> Baz; Baz(t4) -> Baz; sink(t10) -> sink; sink(t13) -> sink; sink(t7) -> sink
// Baz: invoke i.Foo() -> A.Foo
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