Fix typo in comment. NFC.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@280025 91177308-0d34-0410-b5e6-96231b3b80d8

Author: mkuperst

lib/Target/X86/X86ISelLowering.cpp

@@ -11582,7 +11582,7 @@ static SDValue lowerV8I32VectorShuffle(const SDLoc &DL, ArrayRef<int> Mask,
     return Rotate;
 
   // Try to create an in-lane repeating shuffle mask and then shuffle the
-  // the results into the target lanes.
+  // results into the target lanes.
   if (SDValue V = lowerShuffleAsRepeatedMaskAndLanePermute(
           DL, MVT::v8i32, V1, V2, Mask, Subtarget, DAG))
     return V;