Revert the test commit.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@231264 91177308-0d34-0410-b5e6-96231b3b80d8

lib/CodeGen/TwoAddressInstructionPass.cpp

@@ -630,7 +630,6 @@ isProfitableToCommute(unsigned regA, unsigned regB, unsigned regC,
   // To more generally minimize register copies, ideally the logic of two addr
   // instruction pass should be integrated with register allocation pass where
   // interference graph is available.
-
   if (isRevCopyChain(regC, regA, 3))
     return true;