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

[Oleksandr Alex Zinenko]

================
@@ -154,7 +154,8 @@ void VectorizerTestPass::testBackwardSlicing(llvm::raw_ostream &outs) {
   patternTestSlicingOps().match(f, &matches);
   for (auto m : matches) {
     SetVector<Operation *> backwardSlice;
-    getBackwardSlice(m.getMatchedOperation(), &backwardSlice);
+    auto result = getBackwardSlice(m.getMatchedOperation(), &backwardSlice);
+    assert(result.succeeded());
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ftynse wrote:

```suggestion
    LogicalResult result = getBackwardSlice(m.getMatchedOperation(), &backwardSlice);
    assert(result.succeeded() && "expected a backward slice");
```

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