[llvm] [NFC][LoopVectorize] Clean up some code around getting a context (PR #111114)

[Florian Hahn via llvm-commits]

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@@ -8738,10 +8736,9 @@ addUsersInExitBlock(VPlan &Plan,
     if (V->isLiveIn())
       continue;
 
-    VPValue *Ext = B.createNaryOp(
-        VPInstruction::ExtractFromEnd,
-        {V, Plan.getOrAddLiveIn(ConstantInt::get(
-                IntegerType::get(ExitBB->getContext(), 32), 1))});
+    VPValue *Ext = B.createNaryOp(VPInstruction::ExtractFromEnd,
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fhahn wrote:

Might be simpler to retrieve the context from the underlying instruction from `ExitIRI` instead of passing ti explicitly?

https://github.com/llvm/llvm-project/pull/111114