[llvm] [SelectionDAG][RISCV] Avoid store merging across function calls (PR #130430)

[Philip Reames via llvm-commits]

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@@ -21553,6 +21601,15 @@ bool DAGCombiner::tryStoreMergeOfLoads(SmallVectorImpl<MemOpLink> &StoreNodes,
       JointMemOpVT = EVT::getIntegerVT(Context, SizeInBits);
     }
 
+    // Check if there is a call in the load/store chain.
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preames wrote:

Though, I'll note I'm also fine in this being a follow up change.  I'm happy to pick that up if you want to focus on just getting this in.

https://github.com/llvm/llvm-project/pull/130430