[llvm] [MachineLateInstrsCleanup] Reuse redundant spill-slot reloads (PR #220180)

[via llvm-commits]

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@@ -168,15 +177,61 @@ void MachineLateInstrsCleanup::removeRedundantDef(MachineInstr *MI) {
   ++NumRemoved;
 }
 
+// Return true if MI accesses a register-allocation spill slot through a single
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anupkum-sgs wrote:

Yes, I will incorporate the suggested changes.
 Thanks for the suggestions.

https://github.com/llvm/llvm-project/pull/220180