[Mlir-commits] [mlir] [mlir][Math] Fix math-expand-ops crash on math.ctlz with index type (PR #181539)

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``````````bash
git-clang-format --diff origin/main HEAD --extensions cpp -- mlir/lib/Dialect/Math/Transforms/ExpandOps.cpp --diff_from_common_commit
``````````

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View the diff from clang-format here.
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``````````diff
diff --git a/mlir/lib/Dialect/Math/Transforms/ExpandOps.cpp b/mlir/lib/Dialect/Math/Transforms/ExpandOps.cpp
index f76ddfae2..a8a4a3e47 100644
--- a/mlir/lib/Dialect/Math/Transforms/ExpandOps.cpp
+++ b/mlir/lib/Dialect/Math/Transforms/ExpandOps.cpp
@@ -523,9 +523,11 @@ static LogicalResult convertCtlzOp(math::CountLeadingZerosOp op,
   auto eTy = getElementTypeOrSelf(operandTy);
   Location loc = op.getLoc();
 
-  // Only expand for integer or float element types (index has no fixed bitwidth).
+  // Only expand for integer or float element types (index has no fixed
+  // bitwidth).
   if (!eTy.isIntOrFloat()) {
-    return rewriter.notifyMatchFailure(op, "ctlz expansion only supports int or float types");
+    return rewriter.notifyMatchFailure(
+        op, "ctlz expansion only supports int or float types");
   }
 
   int32_t bitwidth = eTy.getIntOrFloatBitWidth();

``````````

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https://github.com/llvm/llvm-project/pull/181539