[X86] Fix bad operand lookup for cmov introduced in r349315

The CC is operand 2 not operand 3.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@349330 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp
index fd174e8..6494a0a 100644
--- a/lib/Target/X86/X86ISelLowering.cpp
+++ b/lib/Target/X86/X86ISelLowering.cpp
@@ -39933,7 +39933,7 @@
       CC = (X86::CondCode)User->getConstantOperandVal(2);
       break;
     case X86ISD::CMOV:
-      CC = (X86::CondCode)User->getConstantOperandVal(3);
+      CC = (X86::CondCode)User->getConstantOperandVal(2);
       break;
     }