[Mlir-commits] [mlir] Fixing peelFirstIteration. Was incorrectly replacing all ub inside peeled iteration region. (PR #163720)

llvmlistbot at llvm.org llvmlistbot at llvm.org
Thu Oct 16 00:46:27 PDT 2025


github-actions[bot] wrote:

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


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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/SCF/Transforms/LoopSpecialization.cpp --diff_from_common_commit
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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.
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<details>
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View the diff from clang-format here.
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``````````diff
diff --git a/mlir/lib/Dialect/SCF/Transforms/LoopSpecialization.cpp b/mlir/lib/Dialect/SCF/Transforms/LoopSpecialization.cpp
index 43fbcbae7..4ee6e3d22 100644
--- a/mlir/lib/Dialect/SCF/Transforms/LoopSpecialization.cpp
+++ b/mlir/lib/Dialect/SCF/Transforms/LoopSpecialization.cpp
@@ -242,7 +242,7 @@ LogicalResult mlir::scf::peelForLoopFirstIteration(RewriterBase &b, ForOp forOp,
   // Peel the first iteration.
   IRMapping map;
   firstIteration = cast<ForOp>(b.clone(*forOp.getOperation(), map));
-  b.modifyOpInPlace(firstIteration, [&]() {    
+  b.modifyOpInPlace(firstIteration, [&]() {
     firstIteration.getUpperBoundMutable().assign(splitBound);
   });
   // Update main loop with new lower bound.

``````````

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https://github.com/llvm/llvm-project/pull/163720


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