[llvm] [CodeGen] Preserved additional analyses in StackSlotColoring pass. (PR #93779)

[Vikash Gupta via llvm-commits]

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@@ -496,8 +506,10 @@ bool StackSlotColoring::RemoveDeadStores(MachineBasicBlock* MBB) {
     ++I;
   }
 
-  for (MachineInstr *MI : toErase)
+  for (MachineInstr *MI : toErase) {
     MI->eraseFromParent();
+    Indexes->removeMachineInstrFromMaps(*MI);
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vg0204 wrote:

I have a small doubt, as in this pass SlotIndex analysis is set to be required which implies if available use preserved analysis else compute it (as it is required). So do Indexes in such cas need null check?

https://github.com/llvm/llvm-project/pull/93779