[Mlir-commits] [mlir] [mlir][tosa] Add a canonicalization to optimize cast cast sequences (PR #176904)

llvmlistbot at llvm.org llvmlistbot at llvm.org
Tue Jan 20 03:48:20 PST 2026


github-actions[bot] wrote:

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


:warning: C/C++ code formatter, clang-format found issues in your code. :warning:

<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/Tosa/IR/TosaCanonicalizations.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:

</details>

<details>
<summary>
View the diff from clang-format here.
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``````````diff
diff --git a/mlir/lib/Dialect/Tosa/IR/TosaCanonicalizations.cpp b/mlir/lib/Dialect/Tosa/IR/TosaCanonicalizations.cpp
index 37745ea4e..cd545156e 100644
--- a/mlir/lib/Dialect/Tosa/IR/TosaCanonicalizations.cpp
+++ b/mlir/lib/Dialect/Tosa/IR/TosaCanonicalizations.cpp
@@ -904,7 +904,7 @@ struct NonNarrowingCastsOptimization : public OpRewritePattern<tosa::CastOp> {
     const auto outerOutputType = llvm::cast<ShapedType>(castOp.getType());
 
     const SmallVector<ShapedType, 3> types = {innerInputType, innerOutputType,
-                                        outerOutputType};
+                                              outerOutputType};
     if (llvm::any_of(types, [](const ShapedType type) {
           return !type.getElementType().isInteger();
         }))

``````````

</details>


https://github.com/llvm/llvm-project/pull/176904


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