[Mlir-commits] [mlir] [MLIR] Change getBackwardSlice to return a logicalresult rather than … (PR #140961)

[Oleksandr Alex Zinenko]

================
@@ -290,8 +290,10 @@ static void getPipelineStages(
   });
   options.inclusive = true;
   for (Operation &op : forOp.getBody()->getOperations()) {
-    if (stage0Ops.contains(&op))
-      getBackwardSlice(&op, &dependencies, options);
+    if (stage0Ops.contains(&op)) {
+      auto result = getBackwardSlice(&op, &dependencies, options);
+      assert(result.succeeded());
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ftynse wrote:

```suggestion
      LogicalResult result = getBackwardSlice(&op, &dependencies, options);
      assert(result.succeeded() && "expected a backward slice");
```

https://github.com/llvm/llvm-project/pull/140961