[llvm] [Analysis] Add Scalable field in MemoryLocation.h (PR #65759)

[David Green via llvm-commits]

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@@ -151,16 +152,18 @@ static bool isObjectSmallerThan(const Value *V, uint64_t Size,
 
   // This function needs to use the aligned object size because we allow
   // reads a bit past the end given sufficient alignment.
-  uint64_t ObjectSize = getObjectSize(V, DL, TLI, NullIsValidLoc,
+  LocationSize ObjectSize = getObjectSize(V, DL, TLI, NullIsValidLoc,
                                       /*RoundToAlign*/ true);
 
-  return ObjectSize != MemoryLocation::UnknownSize && ObjectSize < Size;
+  // Bail on comparing V and Size if Size is scalable
+  return ObjectSize != MemoryLocation::UnknownSize && !Size.isScalable() &&
+         ObjectSize.getValue() < Size.getValue();
 }
 
 /// Return the minimal extent from \p V to the end of the underlying object,
 /// assuming the result is used in an aliasing query. E.g., we do use the query
 /// location size and the fact that null pointers cannot alias here.
-static uint64_t getMinimalExtentFrom(const Value &V,
+static LocationSize getMinimalExtentFrom(const Value &V,
                                      const LocationSize &LocSize,
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davemgreen wrote:

This might need a format now

https://github.com/llvm/llvm-project/pull/65759