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Author SHA1 Message Date
Douglas Gregor 4f0ed42601 Attempt to satisfy Release-Asserts build 
llvm-svn: 103879
 2010-05-15 17:28:53 +00:00
Douglas Gregor 170125648c When applying the named return value optimization, we still need to 
destroy the variable along the exceptional edge; it's only during
normal execution that we avoid destroying this variable.

llvm-svn: 103872
 2010-05-15 16:39:56 +00:00
Douglas Gregor 290c93ec0d Implement a simple form of the C++ named return value optimization for 
return statements. We perform NRVO only when all of the return
statements in the function return the same variable. Fixes some link
failures in Boost.Interprocess (which is relying on NRVO), and
probably improves performance for some C++ applications.

llvm-svn: 103867
 2010-05-15 06:46:45 +00:00