[llvm] [SROA] Optimize reloaded values in allocas that escape into readonly nocapture calls. (PR #116645)

[Nikita Popov via llvm-commits]

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@@ -468,6 +472,12 @@ void LoadAndStorePromoter::run(const SmallVectorImpl<Instruction *> &Insts) {
 
         // Remember that this is the active value in the block.
         StoredValue = SI->getOperand(0);
+      } else if (auto *AI = dyn_cast<AllocaInst>(&I)) {
+        // Check if this a alloca, in which case we treat it as a store of
----------------
nikic wrote:

```suggestion
        // Check if this an alloca, in which case we treat it as a store of
```

https://github.com/llvm/llvm-project/pull/116645