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Chris Lattner 300048631b change dag isel emitter to only call 'IsProfitableToFold' on nodes
with chains.  On interior nodes that lead up to them, we just directly
check that there is a single use.  This generates slightly more
efficient code.

llvm-svn: 96366
2010-02-16 19:03:34 +00:00
clang when a diagnostic is an extension and has no other -W flag, 2010-02-16 18:29:31 +00:00
compiler-rt add __sync_synchronize. Needed by compiler when emitting thumb1 with -fno-builtin 2010-02-02 21:34:04 +00:00
llvm change dag isel emitter to only call 'IsProfitableToFold' on nodes 2010-02-16 19:03:34 +00:00