fix pasto


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47242 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/Scalar/Reassociate.cpp b/lib/Transforms/Scalar/Reassociate.cpp
index bec91db..3e2d38f 100644
--- a/lib/Transforms/Scalar/Reassociate.cpp
+++ b/lib/Transforms/Scalar/Reassociate.cpp
@@ -404,7 +404,7 @@
       isReassociableOp(Sub->getOperand(0), Instruction::Sub))
     return true;
   if (isReassociableOp(Sub->getOperand(1), Instruction::Add) ||
-      isReassociableOp(Sub->getOperand(0), Instruction::Sub))
+      isReassociableOp(Sub->getOperand(1), Instruction::Sub))
     return true;
   if (Sub->hasOneUse() && 
       (isReassociableOp(Sub->use_back(), Instruction::Add) ||