[llvm] [NFCI][SROA] reduce calls to getAllocatedType() (PR #177437)

[Nikita Popov via llvm-commits]

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@@ -3573,7 +3570,7 @@ class AllocaSliceRewriter : public InstVisitor<AllocaSliceRewriter, bool> {
     // Record this instruction for deletion.
     Pass.DeadInsts.push_back(&II);
 
-    Type *AllocaTy = NewAI.getAllocatedType();
+    Type *AllocaTy = NewAllocaTy;
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nikic wrote:

Replace AllocyTy with NewAllocaTy entirely? We now use a mix of both variables below, which is confusing.

https://github.com/llvm/llvm-project/pull/177437