[llvm] [LAA] Scale strides using type-size (NFC) (PR #124529)

[Ramkumar Ramachandra via llvm-commits]

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@@ -2173,8 +2171,7 @@ MemoryDepChecker::isDependent(const MemAccessInfo &A, unsigned AIdx,
   // We know that Dist is positive, but it may not be constant. Use the signed
   // minimum for computations below, as this ensures we compute the closest
   // possible dependence distance.
-  uint64_t MinDistanceNeeded =
-      TypeByteSize * *CommonStride * (MinNumIter - 1) + TypeByteSize;
+  uint64_t MinDistanceNeeded = *CommonStride * (MinNumIter - 1) + TypeByteSize;
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artagnon wrote:

This is an incorrect simplification. Kindly see comments preceding this line.

https://github.com/llvm/llvm-project/pull/124529