[Mlir-commits] [mlir] [mlir][arith] Preserve fast-math flags when lowering floating casts (PR #211173)

llvmlistbot at llvm.org llvmlistbot at llvm.org
Tue Jul 21 22:30:57 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/ArithToLLVM/ArithToLLVM.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/Conversion/ArithToLLVM/ArithToLLVM.cpp b/mlir/lib/Conversion/ArithToLLVM/ArithToLLVM.cpp
index 254a8b9a4..619cb0b74 100644
--- a/mlir/lib/Conversion/ArithToLLVM/ArithToLLVM.cpp
+++ b/mlir/lib/Conversion/ArithToLLVM/ArithToLLVM.cpp
@@ -113,9 +113,10 @@ using DivSIOpLowering =
     VectorConvertToLLVMPattern<arith::DivSIOp, LLVM::SDivOp>;
 using DivUIOpLowering =
     VectorConvertToLLVMPattern<arith::DivUIOp, LLVM::UDivOp>;
-using ExtFOpLowering = VectorConvertToLLVMPattern<arith::ExtFOp, LLVM::FPExtOp,
-                                                  arith::AttrConvertFastMathToLLVM,
-                                                  /*FailOnUnsupportedFP=*/true>;
+using ExtFOpLowering =
+    VectorConvertToLLVMPattern<arith::ExtFOp, LLVM::FPExtOp,
+                               arith::AttrConvertFastMathToLLVM,
+                               /*FailOnUnsupportedFP=*/true>;
 using ExtSIOpLowering =
     VectorConvertToLLVMPattern<arith::ExtSIOp, LLVM::SExtOp>;
 using ExtUIOpLowering =

``````````

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https://github.com/llvm/llvm-project/pull/211173


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