test/codegen: port structs test to codegen

And delete them from asm_test.

Change-Id: Ia286239a3d8f3915f2ca25dbcb39f3354a4f8aea
Reviewed-on: https://go-review.googlesource.com/101138
Run-TryBot: Alberto Donizetti <alb.donizetti@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Cherry Zhang <cherryyz@google.com>

1 files changed, 46 insertions, 0 deletions

diff --git a/test/codegen/structs.go b/test/codegen/structs.go
new file mode 100644
index 0000000000..b81ad67c44
--- /dev/null
+++ b/test/codegen/structs.go
@@ -0,0 +1,46 @@
+// asmcheck
+
+// Copyright 2018 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 codegen
+
+// This file contains code generation tests related to the handling of
+// struct types.
+
+// ------------- //
+//    Zeroing    //
+// ------------- //
+
+type Z1 struct {
+	a, b, c int
+}
+
+func Zero1(t *Z1) { // Issue #18370
+	// amd64:`XORPS\tX., X`,`MOVUPS\tX., \(.*\)`,`MOVQ\t\$0, 16\(.*\)`
+	*t = Z1{}
+}
+
+type Z2 struct {
+	a, b, c *int
+}
+
+func Zero2(t *Z2) {
+	// amd64:`XORPS\tX., X`,`MOVUPS\tX., \(.*\)`,`MOVQ\t\$0, 16\(.*\)`
+	// amd64:`.*runtime[.]gcWriteBarrier\(SB\)`
+	*t = Z2{}
+}
+
+// ------------------ //
+//    Initializing    //
+// ------------------ //
+
+type I1 struct {
+	a, b, c, d int
+}
+
+func Init1(p *I1) { // Issue #18872
+	// amd64:`MOVQ\t[$]1`,`MOVQ\t[$]2`,`MOVQ\t[$]3`,`MOVQ\t[$]4`
+	*p = I1{1, 2, 3, 4}
+}