From 419e907901bf2fe0f73f8a2b22dd9f0708735133 Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Sun, 9 Dec 2007 17:56:34 +0000
Subject: 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
---
 lib/CodeGen/SelectionDAG/LegalizeTypesSplit.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/CodeGen/SelectionDAG/LegalizeTypesSplit.cpp b/lib/CodeGen/SelectionDAG/LegalizeTypesSplit.cpp
index c77bf12..685ae9e 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);
-- 
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