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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-16 19:19:13 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-16 19:19:13 +0000 |
commit | ccd992355df7192993c666236047820244914598 (patch) | |
tree | f00fea65147227b7743083c6148396f74cd66935 /test/abi/too_big_to_ssa.go | |
parent | Initial commit. (diff) | |
download | golang-1.21-ccd992355df7192993c666236047820244914598.tar.xz golang-1.21-ccd992355df7192993c666236047820244914598.zip |
Adding upstream version 1.21.8.upstream/1.21.8
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'test/abi/too_big_to_ssa.go')
-rw-r--r-- | test/abi/too_big_to_ssa.go | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/test/abi/too_big_to_ssa.go b/test/abi/too_big_to_ssa.go new file mode 100644 index 0000000..6c55d31 --- /dev/null +++ b/test/abi/too_big_to_ssa.go @@ -0,0 +1,48 @@ +// 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" +) + +var sink *string + +type toobig struct { + // 6 words will not SSA but will fit in registers + a, b, c string +} + +//go:registerparams +//go:noinline +func H(x toobig) string { + return x.a + " " + x.b + " " + x.c +} + +//go:registerparams +//go:noinline +func I(a, b, c string) toobig { + return toobig{a, b, c} +} + +func main() { + s := H(toobig{"Hello", "there,", "World"}) + gotVsWant(s, "Hello there, World") + fmt.Println(s) + t := H(I("Ahoy", "there,", "Matey")) + gotVsWant(t, "Ahoy there, Matey") + fmt.Println(t) +} + +func gotVsWant(got, want string) { + if got != want { + fmt.Printf("FAIL, got %s, wanted %s\n", got, want) + } +} |