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This is part of a series of commits to remove reference forwarding for some of the ARC entry points. rdar://22724641.

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After this commit, swift_retain will return no reference and LLVMARCContract pass is modified NOT to rewrite
swift_retain_noresult to old swift_retain which forwarded the reference.

Swift SVN r32075
This commit is contained in:
Xin Tong
2015-09-18 20:35:39 +00:00
parent 090e73c728
commit bc3fe169b4
10 changed files with 90 additions and 223 deletions
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15
stdlib/public/runtime/HeapObject.cpp
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@@ -281,24 +281,23 @@ swift::swift_retain_noresult(HeapObject *object) {
swift_retain(object);
}
HeapObject *swift::swift_retain(HeapObject *object) {
void swift::swift_retain(HeapObject *object) {
SWIFT_RETAIN();
return _swift_retain(object);
_swift_retain(object);
}
static HeapObject *_swift_retain_(HeapObject *object) {
return _swift_retain_inlined(object);
static void _swift_retain_(HeapObject *object) {
_swift_retain_inlined(object);
}
auto swift::_swift_retain = _swift_retain_;
HeapObject *swift::swift_retain_n(HeapObject *object, uint32_t n) {
void swift::swift_retain_n(HeapObject *object, uint32_t n) {
SWIFT_RETAIN();
return _swift_retain_n(object, n);
_swift_retain_n(object, n);
}
static HeapObject *_swift_retain_n_(HeapObject *object, uint32_t n) {
static void _swift_retain_n_(HeapObject *object, uint32_t n) {
if (object) {
object->refCount.increment(n);
}
return object;
}
auto swift::_swift_retain_n = _swift_retain_n_;