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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>
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@ -279,43 +279,6 @@ var linuxAMD64Tests = []*asmTest{
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`,
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pos: []string{"\tSHLQ\t\\$5,", "\tLEAQ\t\\(.*\\)\\(.*\\*2\\),"},
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},
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// Structure zeroing. See issue #18370.
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{
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fn: `
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type T1 struct {
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a, b, c int
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}
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func $(t *T1) {
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*t = T1{}
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}
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`,
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pos: []string{"\tXORPS\tX., X", "\tMOVUPS\tX., \\(.*\\)", "\tMOVQ\t\\$0, 16\\(.*\\)"},
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},
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// SSA-able composite literal initialization. Issue 18872.
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{
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fn: `
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type T18872 struct {
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a, b, c, d int
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}
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func f18872(p *T18872) {
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*p = T18872{1, 2, 3, 4}
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}
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`,
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pos: []string{"\tMOVQ\t[$]1", "\tMOVQ\t[$]2", "\tMOVQ\t[$]3", "\tMOVQ\t[$]4"},
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},
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// Also test struct containing pointers (this was special because of write barriers).
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{
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fn: `
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type T2 struct {
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a, b, c *int
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}
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func f19(t *T2) {
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*t = T2{}
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}
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`,
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pos: []string{"\tXORPS\tX., X", "\tMOVUPS\tX., \\(.*\\)", "\tMOVQ\t\\$0, 16\\(.*\\)", "\tCALL\truntime\\.gcWriteBarrier\\(SB\\)"},
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},
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{
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fn: `
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func f33(m map[int]int) int {
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46
test/codegen/structs.go
Normal file
46
test/codegen/structs.go
Normal file
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@ -0,0 +1,46 @@
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// asmcheck
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// Copyright 2018 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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package codegen
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// This file contains code generation tests related to the handling of
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// struct types.
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// ------------- //
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// Zeroing //
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// ------------- //
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type Z1 struct {
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a, b, c int
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}
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func Zero1(t *Z1) { // Issue #18370
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// amd64:`XORPS\tX., X`,`MOVUPS\tX., \(.*\)`,`MOVQ\t\$0, 16\(.*\)`
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*t = Z1{}
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}
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type Z2 struct {
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a, b, c *int
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}
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func Zero2(t *Z2) {
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// amd64:`XORPS\tX., X`,`MOVUPS\tX., \(.*\)`,`MOVQ\t\$0, 16\(.*\)`
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// amd64:`.*runtime[.]gcWriteBarrier\(SB\)`
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*t = Z2{}
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}
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// ------------------ //
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// Initializing //
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// ------------------ //
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type I1 struct {
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a, b, c, d int
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}
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func Init1(p *I1) { // Issue #18872
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// amd64:`MOVQ\t[$]1`,`MOVQ\t[$]2`,`MOVQ\t[$]3`,`MOVQ\t[$]4`
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*p = I1{1, 2, 3, 4}
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}
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