[Mlir-commits] [mlir] [MLIR] AllocaOp canonicalization for array allocation in LLVM dialect (PR #221508)

llvmlistbot at llvm.org llvmlistbot at llvm.org
Mon Sep 7 09:52:19 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/Dialect/LLVMIR/IR/LLVMDialect.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/LLVMIR/IR/LLVMDialect.cpp b/mlir/lib/Dialect/LLVMIR/IR/LLVMDialect.cpp
index 5f7b1b975..6754cd05c 100644
--- a/mlir/lib/Dialect/LLVMIR/IR/LLVMDialect.cpp
+++ b/mlir/lib/Dialect/LLVMIR/IR/LLVMDialect.cpp
@@ -480,9 +480,9 @@ LogicalResult AllocaOp::canonicalize(AllocaOp op, PatternRewriter &rewriter) {
       LLVMArrayType::get(op.getElemType(), numElements.getZExtValue());
   Value one = ConstantOp::create(rewriter, op.getLoc(), rewriter.getI32Type(),
                                  /*value=*/1);
-  auto newAlloca = AllocaOp::create(
-      rewriter, op.getLoc(), op.getType(), one, op.getAlignmentAttr(),
-      arrayType, op.getInalloca());
+  auto newAlloca =
+      AllocaOp::create(rewriter, op.getLoc(), op.getType(), one,
+                       op.getAlignmentAttr(), arrayType, op.getInalloca());
   newAlloca->setDiscardableAttrs(op->getDiscardableAttrDictionary());
   rewriter.replaceOp(op, newAlloca);
   return success();

``````````

</details>


https://github.com/llvm/llvm-project/pull/221508


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