[llvm] [X86][NFC] Use std::move to avoid copy (PR #141455)

[Abhishek Kaushik via llvm-commits]

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@@ -41193,7 +41193,7 @@ static SDValue combineX86ShufflesRecursively(
     resolveTargetShuffleFromZeroables(OpMask, OpUndef, OpZero,
                                       ResolveKnownZeros);
 
-    Mask = OpMask;
+    Mask = std::move(OpMask);
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abhishek-kaushik22 wrote:

Sorry, I have reverted this.

https://github.com/llvm/llvm-project/pull/141455