[llvm] [LAA] Prepare to handle diff type sizes (NFC) (PR #122318)

[Florian Hahn via llvm-commits]

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@@ -2111,8 +2113,23 @@ MemoryDepChecker::getDependenceDistanceStrideAndSize(
     return Dependence::Unknown;
   }
 
+  // When the distance is possibly zero, we're reading/writing the same memory
+  // location: if the store sizes are not equal, fail with an unknown
+  // dependence.
+  TypeSize AStoreSz = DL.getTypeStoreSize(ATy);
+  TypeSize BStoreSz = DL.getTypeStoreSize(BTy);
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fhahn wrote:

why get the size again, it's already in TypeByteSize, no?

https://github.com/llvm/llvm-project/pull/122318