This patch removed duplicate code for matching patterns 
which are now handled in SimplifyUsingDistributiveLaws() 
(after r211261)

Differential Revision: http://reviews.llvm.org/D4253



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211768 91177308-0d34-0410-b5e6-96231b3b80d8