[llvm] [VectorCombine] Combine BinOp with extract/insert to vector BinOp (PR #115213)

[Simon Pilgrim via llvm-commits]

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@@ -2678,6 +2679,52 @@ bool VectorCombine::shrinkType(llvm::Instruction &I) {
   return true;
 }
 
+/// insert (DstVec, (extract (binop), ExtIdx), InsIdx) -->
+/// shuffl (DstVec, (binop), Mask)
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RKSimon wrote:

shuffle

https://github.com/llvm/llvm-project/pull/115213