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ADT: Use perfect forwarding in StringMapEntry::Create()

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Now you can pass references into constructors.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@221946 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Duncan P. N. Exon Smith 2014-11-13 23:23:02 +00:00
parent fb59c03af9
commit 4dc6aa2c17
1 changed files with 7 additions and 7 deletions
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14
include/llvm/ADT/StringMap.h
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@ -117,8 +117,9 @@ public:
explicit StringMapEntry(unsigned strLen)
: StringMapEntryBase(strLen), second() {}
StringMapEntry(unsigned strLen, ValueTy V)
: StringMapEntryBase(strLen), second(std::move(V)) {}
template <class InitTy>
StringMapEntry(unsigned strLen, InitTy &&V)
: StringMapEntryBase(strLen), second(std::forward<InitTy>(V)) {}
StringRef getKey() const {
return StringRef(getKeyData(), getKeyLength());
@ -138,10 +139,9 @@ public:
/// Create - Create a StringMapEntry for the specified key and default
/// construct the value.
template<typename AllocatorTy, typename InitType>
static StringMapEntry *Create(StringRef Key,
AllocatorTy &Allocator,
InitType InitVal) {
template <typename AllocatorTy, typename InitType>
static StringMapEntry *Create(StringRef Key, AllocatorTy &Allocator,
InitType &&InitVal) {
unsigned KeyLength = Key.size();
// Allocate a new item with space for the string at the end and a null
@ -154,7 +154,7 @@ public:
static_cast<StringMapEntry*>(Allocator.Allocate(AllocSize,Alignment));
// Default construct the value.
new (NewItem) StringMapEntry(KeyLength, std::move(InitVal));
new (NewItem) StringMapEntry(KeyLength, std::forward<InitType>(InitVal));
// Copy the string information.
char *StrBuffer = const_cast<char*>(NewItem->getKeyData());