Switch LLVM_USE_RVALUE_REFERENCES to LLVM_HAS_RVALUE_REFERENCES.

Rationale:
1) This was the name in the comment block. ;]
2) It matches Clang's __has_feature naming convention.
3) It matches other compiler-feature-test conventions.

Sorry for the noise. =]

I've also switch the comment block to use a \brief tag and not duplicate
the name.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168996 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 2 insertions, 2 deletions

diff --git a/include/llvm/ADT/BitVector.h b/include/llvm/ADT/BitVector.h
index 9d6388f7ee..82cfdf437d 100644
--- a/include/llvm/ADT/BitVector.h
+++ b/include/llvm/ADT/BitVector.h
@@ -98,7 +98,7 @@ public:
     std::memcpy(Bits, RHS.Bits, Capacity * sizeof(BitWord));
   }
 
-#if LLVM_USE_RVALUE_REFERENCES
+#if LLVM_HAS_RVALUE_REFERENCES
   BitVector(BitVector &&RHS)
     : Bits(RHS.Bits), Size(RHS.Size), Capacity(RHS.Capacity) {
     RHS.Bits = 0;
@@ -452,7 +452,7 @@ public:
     return *this;
   }
 
-#if LLVM_USE_RVALUE_REFERENCES
+#if LLVM_HAS_RVALUE_REFERENCES
   const BitVector &operator=(BitVector &&RHS) {
     if (this == &RHS) return *this;