LoopVectorize: Division reductions generate incorrect code. Remove the part of the...

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

diff --git a/lib/Transforms/Vectorize/LoopVectorize.cpp b/lib/Transforms/Vectorize/LoopVectorize.cpp
index 12e4db6b38fbd5a0d8ecdbc77f1a13950f0cf19c..31e0e864839d4f44ade81e4aa8b1c8c9b7ea513b 100644 (file)
--- a/lib/Transforms/Vectorize/LoopVectorize.cpp
+++ b/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;