[llvm] [SLP] The order of store chains needs to consider the size of the values. (PR #101810)

[via llvm-commits]

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@@ -19157,6 +19165,10 @@ bool SLPVectorizerPass::vectorizeStoreChains(BoUpSLP &R) {
       return true;
     if (V1->getValueOperand()->getType() != V2->getValueOperand()->getType())
       return false;
+    if (V1->getValueOperand()->getType()->getScalarSizeInBits() !=
+        V2->getValueOperand()->getType()->getScalarSizeInBits()) {
+      return false;
+    }
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tcwzxx wrote:

Ah, yes, it checks the Type, not the TypeID.

https://github.com/llvm/llvm-project/pull/101810