More cleanups. Also, add a special case for updating PHI nodes, and
authorOwen Anderson <resistor@mac.com>
Thu, 1 Jun 2006 06:05:47 +0000 (06:05 +0000)
committerOwen Anderson <resistor@mac.com>
Thu, 1 Jun 2006 06:05:47 +0000 (06:05 +0000)
commit2824da4738aba79a140ce77ccc918587ea9d534a
tree34482d883b749e63193afc112c2ce8130d1ea939
parent2675534b7f3a7652e2a0040f415c60557a84e3a8
More cleanups.  Also, add a special case for updating PHI nodes, and
reimplement getValueDominatingFunction to walk the DominanceTree rather than
just searching blindly.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28618 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Transforms/Utils/LCSSA.cpp