Chris Lattner ba1cc33676 Implement PR8644: forwarding a memcpy value to a byval,
allowing the memcpy to be eliminated.

Unfortunately, the requirements on byval's without explicit 
alignment are really weak and impossible to predict in the 
mid-level optimizer, so this doesn't kick in much with current
frontends.  The fix is to change clang to set alignment on all
byval arguments.

llvm-svn: 119916
2010-11-21 00:28:59 +00:00
2010-10-08 00:36:21 +00:00
2010-11-18 00:12:27 +00:00
2010-11-17 23:35:07 +00:00
2010-11-19 23:28:57 +00:00
2010-09-29 17:39:29 +00:00

\Low Level Virtual Machine (LLVM)
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