[Mlir-commits] [mlir] [mlir][arith] Fix SelectOp unsafe int range inference with unfinalized range case (PR #173716)

Jakub Kuderski llvmlistbot at llvm.org
Mon Dec 29 06:52:38 PST 2025


================
@@ -329,7 +329,13 @@ void arith::SelectOp::inferResultRangesFromOptional(
       setResultRange(getResult(), trueCase);
     return;
   }
-  setResultRange(getResult(), IntegerValueRange::join(trueCase, falseCase));
+
+  // When one of the ranges is uninitialized, set the whole range to max
+  // otherwise the result will ignore the uninitialized range
----------------
kuhar wrote:

```suggestion
  // otherwise the result will ignore the uninitialized range.
```

https://github.com/llvm/llvm-project/pull/173716


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