X86: Fix accidentally swapped operands.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165871 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp
index b7a9f6f..9ec03bf 100644
--- a/lib/Target/X86/X86ISelLowering.cpp
+++ b/lib/Target/X86/X86ISelLowering.cpp
@@ -9158,7 +9158,7 @@
         // Blacklist CopyFromReg to avoid partial register stalls.
         T1.getOpcode() != ISD::CopyFromReg && T2.getOpcode()!=ISD::CopyFromReg){
       SDVTList VTs = DAG.getVTList(T1.getValueType(), MVT::Glue);
-      SDValue Cmov = DAG.getNode(X86ISD::CMOV, DL, VTs, T1, T2, CC, Cond);
+      SDValue Cmov = DAG.getNode(X86ISD::CMOV, DL, VTs, T2, T1, CC, Cond);
       return DAG.getNode(ISD::TRUNCATE, DL, Op.getValueType(), Cmov);
     }
   }