================
@@ -2649,8 +2663,11 @@ 
LoopVectorizationCostModel::memoryInstructionCanBeWidened(Instruction *I,
   auto *Ptr = getLoadStorePointerOperand(I);
   auto *ScalarTy = getLoadStoreType(I);
 
-  // In order to be widened, the pointer should be consecutive, first of all.
+  // In order to be widened, the pointer should be consecutive or compressed.
   int Stride = Legal->isConsecutivePtr(ScalarTy, Ptr);
+  if (!Stride && Legal->isCompressedLoadOrStore(I))
+    Stride = 1;
----------------
MacDue wrote:

Sure, I've updated `isConsecutivePtr()`. It does require some LAA changes (but 
they're needed later to allow vectorization in more cases later anyway -- 
though that is not handled in this patch).

https://github.com/llvm/llvm-project/pull/214491
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