From: Chris Lattner <sabre@nondot.org>
Date: Sun, 9 Dec 2007 17:56:34 +0000 (+0000)
Subject: Duncan points out that the subtraction is unneeded since hte code
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=46a6e79e602b23ea3478027d5bdd1f904aea7924;p=oota-llvm.git

Duncan points out that the subtraction is unneeded since hte code
knows the vector is not pow2


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44740 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/CodeGen/SelectionDAG/LegalizeTypesSplit.cpp b/lib/CodeGen/SelectionDAG/LegalizeTypesSplit.cpp
index c77bf12d9a3..685ae9e76b8 100644
--- a/lib/CodeGen/SelectionDAG/LegalizeTypesSplit.cpp
+++ b/lib/CodeGen/SelectionDAG/LegalizeTypesSplit.cpp
@@ -27,7 +27,7 @@ static void GetSplitDestVTs(MVT::ValueType InVT,
     NumElements >>= 1;
     Lo = Hi =  MVT::getVectorType(NewEltVT, NumElements);
   } else {                                     // Non-power-of-two vectors.
-    unsigned NewNumElts_Lo = 1 << Log2_32(NumElements-1);
+    unsigned NewNumElts_Lo = 1 << Log2_32(NumElements);
     unsigned NewNumElts_Hi = NumElements - NewNumElts_Lo;
     Lo = MVT::getVectorType(NewEltVT, NewNumElts_Lo);
     Hi = MVT::getVectorType(NewEltVT, NewNumElts_Hi);