From 77d6ae1b01f86cc82593c8f67118b7c2d6fd17c2 Mon Sep 17 00:00:00 2001 From: Nadav Rotem Date: Fri, 16 Nov 2012 06:51:17 +0000 Subject: [PATCH] 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 | 2 -- 1 file changed, 2 deletions(-) diff --git a/lib/Transforms/Vectorize/LoopVectorize.cpp b/lib/Transforms/Vectorize/LoopVectorize.cpp index 12e4db6b38f..31e0e864839 100644 --- 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;