InstCombine: Use the new SimplifyQuery versions of Simplify*. Use AssumptionCache, DominatorTree, TargetLibraryInfo everywhere.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@301464 91177308-0d34-0410-b5e6-96231b3b80d8
11 files changed