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authorBenjamin Kramer <benny.kra@googlemail.com>2012-05-27 16:22:08 +0000
committerBenjamin Kramer <benny.kra@googlemail.com>2012-05-27 16:22:08 +0000
commite3f75f8797b9752bfe7923bff9a87a15a6fe3552 (patch)
tree695bc5f1fdc69e5b969b533c16c1c1d6ff255635 /include/llvm/ADT
parent542c063f9614a6d11cffb3b8f1802e62f3a46136 (diff)
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Move-enable IntrusiveRefCntPtr.
These tend to be copied around a lot, moving it instead saves a ton of memory accesses. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157535 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'include/llvm/ADT')
-rw-r--r--include/llvm/ADT/IntrusiveRefCntPtr.h29
1 files changed, 27 insertions, 2 deletions
diff --git a/include/llvm/ADT/IntrusiveRefCntPtr.h b/include/llvm/ADT/IntrusiveRefCntPtr.h
index 3a1a3f4..947ccc4 100644
--- a/include/llvm/ADT/IntrusiveRefCntPtr.h
+++ b/include/llvm/ADT/IntrusiveRefCntPtr.h
@@ -21,9 +21,8 @@
#ifndef LLVM_ADT_INTRUSIVE_REF_CNT_PTR
#define LLVM_ADT_INTRUSIVE_REF_CNT_PTR
-#include <cassert>
-
#include "llvm/Support/Casting.h"
+#include "llvm/Support/Compiler.h"
namespace llvm {
@@ -123,6 +122,17 @@ namespace llvm {
retain();
}
+#if LLVM_USE_RVALUE_REFERENCES
+ IntrusiveRefCntPtr(IntrusiveRefCntPtr&& S) : Obj(S.Obj) {
+ S.Obj = 0;
+ }
+
+ template <class X>
+ IntrusiveRefCntPtr(IntrusiveRefCntPtr<X>&& S) : Obj(S.getPtr()) {
+ S.Obj = 0;
+ }
+#endif
+
template <class X>
IntrusiveRefCntPtr(const IntrusiveRefCntPtr<X>& S)
: Obj(S.getPtr()) {
@@ -134,6 +144,21 @@ namespace llvm {
return *this;
}
+#if LLVM_USE_RVALUE_REFERENCES
+ IntrusiveRefCntPtr& operator=(IntrusiveRefCntPtr&& S) {
+ Obj = S.Obj;
+ S.Obj = 0;
+ return *this;
+ }
+
+ template <class X>
+ IntrusiveRefCntPtr& operator=(IntrusiveRefCntPtr<X>&& S) {
+ Obj = S.getPtr();
+ S.Obj = 0;
+ return *this;
+ }
+#endif
+
template <class X>
IntrusiveRefCntPtr& operator=(const IntrusiveRefCntPtr<X>& S) {
replace(S.getPtr());