[Mlir-commits] [mlir] [MLIR] Prevent invalid IR from being passed outside of RemoveDeadValues (PR #121079)

[Andrzej Warzyński]

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@@ -115,6 +157,21 @@ static BitVector markLives(ValueRange values, RunLivenessAnalysis &la) {
   return lives;
 }
 
+// DeletionSet is used to track the Values that are scheduled for removal
+void updateDeletionSet(DenseSet<Value> &deletionSet, ValueRange range,
+                       const BitVector &nonLive) {
+  for (auto [index, result] : llvm::enumerate(range)) {
+    if (!nonLive[index])
+      continue;
+    deletionSet.insert(result);
+  }
+}
+
+void updateDeletionSet(DenseSet<Value> &deletionSet, Operation *op,
+                       const BitVector &nonLive) {
+  updateDeletionSet(deletionSet, op->getResults(), nonLive);
+}
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banach-space wrote:

Is this version needed? Feels like noise.

https://github.com/llvm/llvm-project/pull/121079