[Mlir-commits] [mlir] [MLIR][SCF] Speed up ConditionPropagation (PR #166080)

[Oleksandr Alex Zinenko]

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@@ -2565,6 +2565,38 @@ struct ConvertTrivialIfToSelect : public OpRewritePattern<IfOp> {
 struct ConditionPropagation : public OpRewritePattern<IfOp> {
   using OpRewritePattern<IfOp>::OpRewritePattern;
 
+  enum class Parent { Then, Else, None };
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ftynse wrote:

```suggestion
  /// Kind of parent region in the ancestor cache.
  enum class Parent { Then, Else, None };
```

https://github.com/llvm/llvm-project/pull/166080