Author: lattner
Date: Fri Aug 10 01:54:38 2007
New Revision: 40983
URL: http://llvm.org/viewvc/llvm-project?rev=40983&view=rev
Log:
small speedup in the case where a smallvector is default ctor'd from
an empty vector. This speeds up llc slightly.
Modified:
llvm/trunk/include/llvm/ADT/SmallVector.h
Modified: llvm/trunk/include/llvm/ADT/SmallVector.h
URL:
http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/ADT/SmallVector.h?rev=40983&r1=40982&r2=40983&view=diff
==============================================================================
--- llvm/trunk/include/llvm/ADT/SmallVector.h (original)
+++ llvm/trunk/include/llvm/ADT/SmallVector.h Fri Aug 10 01:54:38 2007
@@ -455,7 +455,8 @@
}
SmallVector(const SmallVector &RHS) : SmallVectorImpl<T>(NumTsAvailable) {
- operator=(RHS);
+ if (!RHS.empty())
+ operator=(RHS);
}
const SmallVector &operator=(const SmallVector &RHS) {
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