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allow TinyPtrVector to implicitly convert to ArrayRef.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145898 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2011-12-06 02:00:33 +00:00
parent bae56b4c21
commit 266451dd95
1 changed files with 9 additions and 0 deletions
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9
include/llvm/ADT/TinyPtrVector.h
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@ -37,6 +37,15 @@ public:
delete V; delete V;
} }
// implicit conversion operator to ArrayRef.
operator ArrayRef<EltTy>() const {
if (Val.isNull())
return ArrayRef<EltTy>();
if (Val.template is<EltTy>())
return *Val.template getAddrOf<EltTy>();
return *Val.template get<VecTy*>();
}
bool empty() const { bool empty() const {
// This vector can be empty if it contains no element, or if it // This vector can be empty if it contains no element, or if it
// contains a pointer to an empty vector. // contains a pointer to an empty vector.