Fix an obvious thinko.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63510 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/Scalar/ScalarReplAggregates.cpp b/lib/Transforms/Scalar/ScalarReplAggregates.cpp
index 10d2e00..8f36317 100644
--- a/lib/Transforms/Scalar/ScalarReplAggregates.cpp
+++ b/lib/Transforms/Scalar/ScalarReplAggregates.cpp
@@ -1482,7 +1482,7 @@
     SV = BinaryOperator::CreateLShr(SV,
                                     ConstantInt::get(SV->getType(),-ShAmt),
                                     SV->getName(), SI);
-    Mask = Mask.lshr(ShAmt);
+    Mask = Mask.lshr(-ShAmt);
   }
   
   // Mask out the bits we are about to insert from the old value, and or