Juergen Ributzka 7fce127f62 Revert "[Constant Hoisting] Lazily compute the idom and cache the result."
This code is no longer usefull, because we only compute and use the
IDom once. There is no benefit in caching it anymore.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205498 91177308-0d34-0410-b5e6-96231b3b80d8
2014-04-03 01:38:47 +00:00
..