File size: 1,026 Bytes
6a64c34 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 | // asmcheck
// Copyright 2022 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.
// Test that optimized range memclr works with pointers to arrays.
// The clears get inlined, see https://github.com/golang/go/issues/56997
package codegen
type T struct {
a *[10]int
b [10]int
s []int
}
func (t *T) f() {
// amd64:-".*runtime.memclrNoHeapPointers"
// amd64:`MOVUPS X15,`
for i := range t.a {
t.a[i] = 0
}
// amd64:-".*runtime.memclrNoHeapPointers"
// amd64:`MOVUPS X15,`
for i := range *t.a {
t.a[i] = 0
}
// amd64:-".*runtime.memclrNoHeapPointers"
// amd64:`MOVUPS X15,`
for i := range t.a {
(*t.a)[i] = 0
}
// amd64:-".*runtime.memclrNoHeapPointers"
// amd64:`MOVUPS X15,`
for i := range *t.a {
(*t.a)[i] = 0
}
// amd64:-".*runtime.memclrNoHeapPointers"
// amd64:`MOVUPS X15,`
for i := range t.b {
t.b[i] = 0
}
// amd64:".*runtime.memclrNoHeapPointers"
for i := range t.s {
t.s[i] = 0
}
}
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