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

[Oleksandr Alex Zinenko]

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@@ -124,10 +124,13 @@ static void computeBackwardSlice(tensor::PadOp padOp,
   getUsedValuesDefinedAbove(padOp.getRegion(), padOp.getRegion(),
                             valuesDefinedAbove);
   for (Value v : valuesDefinedAbove) {
-    getBackwardSlice(v, &backwardSlice, sliceOptions);
+    auto result = getBackwardSlice(v, &backwardSlice, sliceOptions);
+    assert(result.succeeded());
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ftynse wrote:

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

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