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go/test/abi/reg_not_ssa.go
David Chase b72bbaebf9 cmd/compile: expand calls cleanup
Convert expand calls into a smaller number of focused
recursive rewrites, and rely on an enhanced version of
"decompose" to clean up afterwards.

Debugging information seems to emerge intact.

Change-Id: Ic46da4207e3a4da5c8e2c47b637b0e35abbe56bb
Reviewed-on: https://go-review.googlesource.com/c/go/+/507295
Run-TryBot: David Chase <drchase@google.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Reviewed-by: Keith Randall <khr@golang.org>
TryBot-Result: Gopher Robot <gobot@golang.org>
2023-10-06 20:57:33 +00:00

41 lines
548 B
Go

// run
//go:build !wasm
// +build !wasm
// Copyright 2023 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
// small enough for registers, too large for SSA
type T struct {
a, b, c, d, e int
}
//go:noinline
func F() {
a, b := g(), g()
h(b, b)
h(a, g())
if a.a == 1 {
a = g()
}
h(a, a)
}
//go:noinline
func g() T {
return T{1, 2, 3, 4, 5}
}
//go:noinline
func h(s, t T) {
if s != t {
println("NEQ")
}
}
func main() { F() }