Chris Lattner 29c6270328 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96366 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-16 19:03:34 +00:00
..
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