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

[Igor Kirillov via llvm-commits]

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@@ -2186,13 +2202,8 @@ MemoryDepChecker::isDependent(const MemAccessInfo &A, unsigned AIdx,
   // Negative distances are not plausible dependencies.
   if (SE.isKnownNonPositive(Dist)) {
     if (SE.isKnownNonNegative(Dist)) {
-      if (HasSameSize) {
-        // Write to the same location with the same size.
-        return Dependence::Forward;
-      }
-      LLVM_DEBUG(dbgs() << "LAA: possibly zero dependence difference but "
-                           "different type sizes\n");
-      return Dependence::Unknown;
+      // Write to the same location with the same size.
+      return Dependence::Forward;
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igogo-x86 wrote:

For single-line bodies, we may omit the braces

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