[llvm] [CodeGen][RAGreedy] Inform LiveDebugVariables about snippets spilled by InlineSpiller. (PR #109962)

Matt Arsenault via llvm-commits llvm-commits at lists.llvm.org
Wed Sep 25 04:20:26 PDT 2024


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@@ -167,6 +167,10 @@ class InlineSpiller : public Spiller {
   // All registers to spill to StackSlot, including the main register.
   SmallVector<Register, 8> RegsToSpill;
 
+  // All registers that were replaced by the spiller. This includes registers
+  // that were rematerialized; rematted regs are removed from RegsToSpill.
+  SmallVector<Register, 8> RegsReplaced;
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arsenm wrote:

If this is a superset of RegsToSpill, can you just use RegsToSpill and a supplemental set for the rematerialize or split cases? 

https://github.com/llvm/llvm-project/pull/109962


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