[Mlir-commits] [mlir] Fix VectorEmulateNarrowType asserting on scalar type vs vector type. (PR #91613)

[llvmlistbot at llvm.org]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-mlir-vector

Author: Benoit Jacob (bjacob)

<details>
<summary>Changes</summary>



---
Full diff: https://github.com/llvm/llvm-project/pull/91613.diff


1 Files Affected:

- (modified) mlir/lib/Dialect/Vector/Transforms/VectorEmulateNarrowType.cpp (+3-2) 


``````````diff
diff --git a/mlir/lib/Dialect/Vector/Transforms/VectorEmulateNarrowType.cpp b/mlir/lib/Dialect/Vector/Transforms/VectorEmulateNarrowType.cpp
index a301b919dc523..6025c4ad7c145 100644
--- a/mlir/lib/Dialect/Vector/Transforms/VectorEmulateNarrowType.cpp
+++ b/mlir/lib/Dialect/Vector/Transforms/VectorEmulateNarrowType.cpp
@@ -1119,8 +1119,9 @@ struct RewriteAlignedSubByteIntExt : OpRewritePattern<ConversionOpType> {
                                 PatternRewriter &rewriter) const override {
     // Verify the preconditions.
     Value srcValue = conversionOp.getIn();
-    auto srcVecType = cast<VectorType>(srcValue.getType());
-    auto dstVecType = cast<VectorType>(conversionOp.getType());
+    auto srcVecType = dyn_cast<VectorType>(srcValue.getType());
+    auto dstVecType = dyn_cast<VectorType>(conversionOp.getType());
+
     if (failed(
             commonConversionPrecondition(rewriter, dstVecType, conversionOp)))
       return failure();

``````````

</details>


https://github.com/llvm/llvm-project/pull/91613