LoopVectorize: Division reductions generate incorrect code. Remove the part of the code that deals with divs.

Thanks to Paul Redmond for catching this while reviewing the code.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168142 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Transforms/Vectorize/LoopVectorize.cpp

@@ -1671,8 +1671,6 @@ LoopVectorizationLegality::isReductionInstr(Instruction *I,
     case Instruction::Sub:
       return Kind == IntegerAdd;
     case Instruction::Mul:
-    case Instruction::UDiv:
-    case Instruction::SDiv:
       return Kind == IntegerMult;
     case Instruction::And:
       return Kind == IntegerAnd;