[llvm] [InterleavedAccess] Construct interleaved access store with shuffles (PR #167737)

[Luke Lau via llvm-commits]

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@@ -250,6 +251,13 @@ static bool isReInterleaveMask(ShuffleVectorInst *SVI, unsigned &Factor,
       return true;
   }
 
+  if (InterleaveWithShuffles) {
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lukel97 wrote:

Is it possible to avoid the `hasInterleaveWithGatherScatter` TTI hook? Can you just increase AArch64's getMaxSupportedInterleaveFactor and check if it's legal in `AArch64TargetLowering::lowerInterleavedStore`?

https://github.com/llvm/llvm-project/pull/167737