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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-16 19:19:13 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-16 19:19:13 +0000 |
commit | ccd992355df7192993c666236047820244914598 (patch) | |
tree | f00fea65147227b7743083c6148396f74cd66935 /test/codegen/alloc.go | |
parent | Initial commit. (diff) | |
download | golang-1.21-ccd992355df7192993c666236047820244914598.tar.xz golang-1.21-ccd992355df7192993c666236047820244914598.zip |
Adding upstream version 1.21.8.upstream/1.21.8
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'test/codegen/alloc.go')
-rw-r--r-- | test/codegen/alloc.go | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/test/codegen/alloc.go b/test/codegen/alloc.go new file mode 100644 index 0000000..31455fd --- /dev/null +++ b/test/codegen/alloc.go @@ -0,0 +1,34 @@ +// 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. + +// These tests check that allocating a 0-size object does not +// introduce a call to runtime.newobject. + +package codegen + +func zeroAllocNew1() *struct{} { + // 386:-`CALL\truntime\.newobject` + // amd64:-`CALL\truntime\.newobject` + // arm:-`CALL\truntime\.newobject` + // arm64:-`CALL\truntime\.newobject` + return new(struct{}) +} + +func zeroAllocNew2() *[0]int { + // 386:-`CALL\truntime\.newobject` + // amd64:-`CALL\truntime\.newobject` + // arm:-`CALL\truntime\.newobject` + // arm64:-`CALL\truntime\.newobject` + return new([0]int) +} + +func zeroAllocSliceLit() []int { + // 386:-`CALL\truntime\.newobject` + // amd64:-`CALL\truntime\.newobject` + // arm:-`CALL\truntime\.newobject` + // arm64:-`CALL\truntime\.newobject` + return []int{} +} |