[Mlir-commits] [mlir] [MLIR] getBackwardSlice: don't bail on ops that are IsolatedFromAbove (PR #158135)

[Ian Wood]

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@@ -150,7 +151,8 @@ static LogicalResult getBackwardSliceImpl(Operation *op,
 
   bool succeeded = true;
 
-  if (!options.omitUsesFromAbove) {
+  if (!options.omitUsesFromAbove &&
+      !op->hasTrait<OpTrait::IsIsolatedFromAbove>()) {
     llvm::for_each(op->getRegions(), [&](Region &region) {
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IanWood1 wrote:

Note for reviewers: this line change is an NFC since if the op is isolated from above there can't be any uses defined above.

https://github.com/llvm/llvm-project/pull/158135