Revert this for now, PUNPCKLDQ dont operate on v4f32

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112090 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp
index dc1bab3..ad43175 100644
--- a/lib/Target/X86/X86ISelLowering.cpp
+++ b/lib/Target/X86/X86ISelLowering.cpp
@@ -4887,7 +4887,7 @@
         return getTargetShuffleNode(X86ISD::MOVLHPS, dl, VT, V1, V1, DAG);
 
     if (OptForSize && HasSSE2 && X86::isUNPCKL_v_undef_Mask(SVOp) &&
-        (VT == MVT::v4i32 || VT == MVT::v4f32))
+        VT == MVT::v4i32)
       return getTargetShuffleNode(X86ISD::PUNPCKLDQ, dl, VT, V1, V1, DAG);
 
     unsigned TargetMask = X86::getShuffleSHUFImmediate(SVOp);