[Mlir-commits] [mlir] [mlir][affine] Fix crash in AffineParallelLowering for unsupported reductions (PR #186189)

llvmlistbot at llvm.org llvmlistbot at llvm.org
Thu Mar 12 11:59:02 PDT 2026


github-actions[bot] wrote:

<!--LLVM CODE FORMAT COMMENT: {clang-format}-->


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<details>
<summary>
You can test this locally with the following command:
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``````````bash
git-clang-format --diff origin/main HEAD --extensions cpp -- mlir/lib/Conversion/AffineToStandard/AffineToStandard.cpp mlir/lib/Dialect/Arith/IR/ArithOps.cpp --diff_from_common_commit
``````````

:warning:
The reproduction instructions above might return results for more than one PR
in a stack if you are using a stacked PR workflow. You can limit the results by
changing `origin/main` to the base branch/commit you want to compare against.
:warning:

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<details>
<summary>
View the diff from clang-format here.
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``````````diff
diff --git a/mlir/lib/Dialect/Arith/IR/ArithOps.cpp b/mlir/lib/Dialect/Arith/IR/ArithOps.cpp
index f26aef625..63bdd733a 100644
--- a/mlir/lib/Dialect/Arith/IR/ArithOps.cpp
+++ b/mlir/lib/Dialect/Arith/IR/ArithOps.cpp
@@ -2810,8 +2810,8 @@ std::optional<TypedAttr> mlir::arith::getNeutralElement(Operation *op) {
 Value mlir::arith::getIdentityValue(AtomicRMWKind op, Type resultType,
                                     OpBuilder &builder, Location loc,
                                     bool useOnlyFiniteValue) {
-  if (auto attr =
-getIdentityValueAttr(op, resultType, builder, loc, useOnlyFiniteValue))
+  if (auto attr = getIdentityValueAttr(op, resultType, builder, loc,
+                                       useOnlyFiniteValue))
     return arith::ConstantOp::create(builder, loc, attr);
   return {};
 }

``````````

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https://github.com/llvm/llvm-project/pull/186189


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