[llvm] [ReachingDefAnalysis] Extend the analysis to stack objects. (PR #118097)

[Michael Maitland via llvm-commits]

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@@ -177,6 +188,7 @@ class ReachingDefAnalysis : public MachineFunctionPass {
 
   /// Provides the instruction id of the closest reaching def instruction of
   /// Reg that reaches MI, relative to the begining of MI's basic block.
+  // Note that Reg may represent a stack slot.
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michaelmaitland wrote:

Three slashes to match?

https://github.com/llvm/llvm-project/pull/118097