[llvm] [AMDGPU] Reject named single register inline asm constraints for wider types (PR #200771)

via llvm-commits llvm-commits at lists.llvm.org
Mon Jun 1 03:19:44 PDT 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:
</summary>

``````````bash
git-clang-format --diff origin/main HEAD --extensions cpp -- llvm/lib/Target/AMDGPU/SIISelLowering.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.
</summary>

``````````diff
diff --git a/llvm/lib/Target/AMDGPU/SIISelLowering.cpp b/llvm/lib/Target/AMDGPU/SIISelLowering.cpp
index 19c89251b..df8b4b619 100644
--- a/llvm/lib/Target/AMDGPU/SIISelLowering.cpp
+++ b/llvm/lib/Target/AMDGPU/SIISelLowering.cpp
@@ -19290,7 +19290,8 @@ SITargetLowering::getRegForInlineAsmConstraint(const TargetRegisterInfo *TRI_,
       // Reject types that do not fit a single 32-bit register: any scalar wider
       // than 32 bits, or a vector that is not exactly 32 bits.
       if (VT.SimpleTy != MVT::Other &&
-          (VT.getSizeInBits() > 32 || (VT.isVector() && VT.getSizeInBits() != 32)))
+          (VT.getSizeInBits() > 32 ||
+           (VT.isVector() && VT.getSizeInBits() != 32)))
         return std::pair(0U, nullptr);
       if (RC && Idx < RC->getNumRegs())
         return std::pair(RC->getRegister(Idx), RC);

``````````

</details>


https://github.com/llvm/llvm-project/pull/200771


More information about the llvm-commits mailing list