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Commit 91328b31 authored by Chris Lattner's avatar Chris Lattner
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Implement support for x86 fastisel of small fixed-sized memcpys, which are generated 

en-mass for C++ PODs.  On my c++ test file, this cuts the fast isel rejects by 10x 
and shrinks the generated .s file by 5%

llvm-svn: 129755
parent 34a08c23
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