[llvm] [LAA] Relax HasSameSize check on couldPrevertStoreLoadForward (PR #159537)

[Ramkumar Ramachandra via llvm-commits]

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@@ -2274,10 +2277,9 @@ MemoryDepChecker::isDependent(const MemAccessInfo &A, unsigned AIdx,
 
   // Attempt to prove strided accesses independent.
   if (APDist) {
-    // If the distance between accesses and their strides are known constants,
-    // check whether the accesses interlace each other.
-    if (ConstDist > 0 && CommonStride && CommonStride > 1 && HasSameSize &&
-        areStridedAccessesIndependent(ConstDist, *CommonStride, TypeByteSize)) {
+    if (ConstDist && CommonStride && CommonStride > 1 && HasSameSize &&
+        areStridedAccessesIndependent(ConstDist, *CommonStride,
+                                      TypeByteSize.first)) {
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artagnon wrote:

Ah,  but we're guarding on HasSameSize anyway, so both elements of the pair are equal: see https://github.com/llvm/llvm-project/pull/161238 for underlying change.

https://github.com/llvm/llvm-project/pull/159537