| // run |
| |
| //go:build !wasm |
| // +build !wasm |
| |
| // 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. |
| |
| package main |
| |
| import "fmt" |
| |
| // Test that register results are correctly returned (and passed) |
| |
| type MagicLastTypeNameForTestingRegisterABI func(int, MagicLastTypeNameForTestingRegisterABI) int |
| |
| //go:registerparams |
| //go:noinline |
| func minus(decrement int) MagicLastTypeNameForTestingRegisterABI { |
| return MagicLastTypeNameForTestingRegisterABI(func(x int, _ MagicLastTypeNameForTestingRegisterABI) int { return x - decrement }) |
| } |
| |
| //go:noinline |
| func f(x int, sub1 MagicLastTypeNameForTestingRegisterABI) (int, int) { |
| |
| if x < 3 { |
| return 0, x |
| } |
| |
| a, b := f(sub1(sub1(x, sub1), sub1), sub1) |
| c, d := f(sub1(x, sub1), sub1) |
| return a + d, b + c |
| } |
| |
| func main() { |
| x := 40 |
| a, b := f(x, minus(1)) |
| fmt.Printf("f(%d)=%d,%d\n", x, a, b) |
| } |