[Mlir-commits] [mlir] [mlir][dataflow] Add visitBranchRegionArgument interface to SparseBackwardDataFlowAnalysis and apply it in LivenessAnalysis/RemoveDeadValues (PR #169816)

[Oleksandr Alex Zinenko]

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@@ -431,6 +431,8 @@ class AbstractSparseBackwardDataFlowAnalysis : public DataFlowAnalysis {
   // Visit operands on branch instructions that are not forwarded.
   virtual void visitBranchOperand(OpOperand &operand) = 0;
 
+  virtual void visitBranchRegionArgument(BlockArgument &argument) = 0;
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ftynse wrote:

This must have documentation.

https://github.com/llvm/llvm-project/pull/169816