aboutsummaryrefslogtreecommitdiff
path: root/test/codegen/append.go
diff options
context:
space:
mode:
Diffstat (limited to 'test/codegen/append.go')
-rw-r--r--test/codegen/append.go190
1 files changed, 190 insertions, 0 deletions
diff --git a/test/codegen/append.go b/test/codegen/append.go
new file mode 100644
index 0000000000..0e58a48c45
--- /dev/null
+++ b/test/codegen/append.go
@@ -0,0 +1,190 @@
+// asmcheck
+
+// Copyright 2025 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
+
+func Append1(n int) []int {
+ var r []int
+ for i := range n {
+ // amd64:`.*growslice`
+ r = append(r, i)
+ }
+ // amd64:`.*moveSliceNoCapNoScan`
+ return r
+}
+
+func Append2(n int) (r []int) {
+ for i := range n {
+ // amd64:`.*growslice`
+ r = append(r, i)
+ }
+ // amd64:`.*moveSliceNoCapNoScan`
+ return
+}
+
+func Append3(n int) (r []int) {
+ for i := range n {
+ // amd64:`.*growslice`
+ r = append(r, i)
+ }
+ // amd64:`.*moveSliceNoCapNoScan`
+ return r
+}
+
+func Append4(n int) []int {
+ var r []int
+ for i := range n {
+ // amd64:`.*growsliceBuf`
+ r = append(r, i)
+ }
+ println(cap(r))
+ // amd64:`.*moveSliceNoScan`
+ return r
+}
+
+func Append5(n int) []int {
+ var r []int
+ for i := range n {
+ // amd64:`.*growsliceBuf`
+ r = append(r, i)
+ }
+ useSlice(r)
+ // amd64:`.*moveSliceNoScan`
+ return r
+}
+
+func Append6(n int) []*int {
+ var r []*int
+ for i := range n {
+ // amd64:`.*growslice`
+ r = append(r, new(i))
+ }
+ // amd64:`.*moveSliceNoCap`
+ return r
+}
+
+func Append7(n int) []*int {
+ var r []*int
+ for i := range n {
+ // amd64:`.*growsliceBuf`
+ r = append(r, new(i))
+ }
+ println(cap(r))
+ // amd64:`.*moveSlice`
+ return r
+}
+
+func Append8(n int, p *[]int) {
+ var r []int
+ for i := range n {
+ // amd64:`.*growslice`
+ r = append(r, i)
+ }
+ // amd64:`.*moveSliceNoCapNoScan`
+ *p = r
+}
+
+func Append9(n int) []int {
+ var r []int
+ for i := range n {
+ // amd64:`.*growslice`
+ r = append(r, i)
+ }
+ println(len(r))
+ // amd64:`.*moveSliceNoCapNoScan`
+ return r
+}
+
+func Append10(n int) []int {
+ var r []int
+ for i := range n {
+ // amd64:`.*growslice`
+ r = append(r, i)
+ }
+ println(r[3])
+ // amd64:`.*moveSliceNoCapNoScan`
+ return r
+}
+
+func Append11(n int) []int {
+ var r []int
+ for i := range n {
+ // amd64:`.*growsliceBuf`
+ r = append(r, i)
+ }
+ r = r[3:5]
+ // amd64:`.*moveSliceNoScan`
+ return r
+}
+
+func Append12(n int) []int {
+ var r []int
+ r = nil
+ for i := range n {
+ // amd64:`.*growslice`
+ r = append(r, i)
+ }
+ // amd64:`.*moveSliceNoCapNoScan`
+ return r
+}
+
+func Append13(n int) []int {
+ var r []int
+ r, r = nil, nil
+ for i := range n {
+ // amd64:`.*growslice`
+ r = append(r, i)
+ }
+ // amd64:`.*moveSliceNoCapNoScan`
+ return r
+}
+
+func Append14(n int) []int {
+ var r []int
+ r = []int{3, 4, 5}
+ for i := range n {
+ // amd64:`.*growsliceBuf`
+ r = append(r, i)
+ }
+ // amd64:`.*moveSliceNoScan`
+ return r
+}
+
+func Append15(n int) []int {
+ r := []int{3, 4, 5}
+ for i := range n {
+ // amd64:`.*growsliceBuf`
+ r = append(r, i)
+ }
+ // amd64:`.*moveSliceNoScan`
+ return r
+}
+
+func Append16(r []int, n int) []int {
+ for i := range n {
+ // amd64:`.*growslice`
+ r = append(r, i)
+ }
+ // amd64:`.*moveSliceNoCapNoScan`
+ return r
+}
+
+func Append17(n int) []int {
+ var r []int
+ for i := range n {
+ // amd64:`.*growslice`
+ r = append(r, i)
+ }
+ for i, x := range r {
+ println(i, x)
+ }
+ // amd64:`.*moveSliceNoCapNoScan`
+ return r
+}
+
+//go:noinline
+func useSlice(s []int) {
+}