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b2fd76ab8d
Most of the test cases in the test directory use the new go:build syntax already. Convert the rest. In general, try to place the build constraint line below the test directive comment in more places. For #41184. For #60268. Change-Id: I11c41a0642a8a26dc2eda1406da908645bbc005b Cq-Include-Trybots: luci.golang.try:gotip-linux-386-longtest,gotip-linux-amd64-longtest,gotip-windows-amd64-longtest Reviewed-on: https://go-review.googlesource.com/c/go/+/536236 Reviewed-by: Ian Lance Taylor <iant@google.com> Reviewed-by: Dmitri Shuralyov <dmitshur@google.com> Auto-Submit: Dmitri Shuralyov <dmitshur@golang.org> LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
62 lines
1.3 KiB
Go
62 lines
1.3 KiB
Go
// run
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//go:build !wasm
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// Copyright 2021 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// wasm is excluded because the compiler chatter about register abi pragma ends up
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// on stdout, and causes the expected output to not match.
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package main
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import (
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"fmt"
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)
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var sink *string
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type stringPair struct {
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a, b string
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}
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type stringPairPair struct {
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x, y stringPair
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}
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// The goal of this test is to be sure that the call arg/result expander works correctly
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// for a corner case of passing a 2-nested struct that fits in registers to/from calls.
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// AND, the struct has its address taken.
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//go:registerparams
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//go:noinline
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func H(spp stringPairPair) string {
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F(&spp)
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return spp.x.a + " " + spp.x.b + " " + spp.y.a + " " + spp.y.b
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}
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//go:registerparams
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//go:noinline
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func G(d, c, b, a string) stringPairPair {
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return stringPairPair{stringPair{a, b}, stringPair{c, d}}
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}
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//go:registerparams
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//go:noinline
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func F(spp *stringPairPair) {
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spp.x.a, spp.x.b, spp.y.a, spp.y.b = spp.y.b, spp.y.a, spp.x.b, spp.x.a
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}
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func main() {
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spp := G("this", "is", "a", "test")
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s := H(spp)
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gotVsWant(s, "this is a test")
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}
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func gotVsWant(got, want string) {
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if got != want {
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fmt.Printf("FAIL, got %s, wanted %s\n", got, want)
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}
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}
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