Run LICM as part of the cleanup phase from the scalar optimizer.

Things like LoopUnrolling can produce loop invariant values - make sure
we pick them up.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@229419 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Transforms/IPO/PassManagerBuilder.cpp

@@ -259,6 +259,7 @@ void PassManagerBuilder::populateModulePassManager(
   MPM.add(createJumpThreadingPass());         // Thread jumps
   MPM.add(createCorrelatedValuePropagationPass());
   MPM.add(createDeadStoreEliminationPass());  // Delete dead stores
+  MPM.add(createLICMPass());
 
   addExtensionsToPM(EP_ScalarOptimizerLate, MPM);