[llvm] [LAA] refactor sortPtrAccesses (NFC) (PR #92256)

[Nikita Popov via llvm-commits]

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@@ -1646,22 +1646,19 @@ bool llvm::sortPtrAccesses(ArrayRef<Value *> VL, Type *ElemTy,
 
     // Check if the pointer with the same offset is found.
     int64_t Offset = *Diff;
-    auto Res = Offsets.emplace(Offset, Cnt);
-    if (!Res.second)
+    auto [It, IsInserted] = Offsets.emplace(Offset, Cnt++);
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nikic wrote:

I think the more idiomatic way to handle `Cnt` would be to loop over `enumerate()`.

https://github.com/llvm/llvm-project/pull/92256