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

Mikhail Gudim via llvm-commits llvm-commits at lists.llvm.org
Sat Jan 11 06:49:42 PST 2025


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@@ -269,6 +341,19 @@ int ReachingDefAnalysis::getReachingDef(MachineInstr *MI,
   assert(MBBNumber < MBBReachingDefs.numBlockIDs() &&
          "Unexpected basic block number.");
   int LatestDef = ReachingDefDefaultVal;
+
+  if (Register::isStackSlot(Reg)) {
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mgudim wrote:

@topperc can we do this in a different MR?

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


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