[llvm] [InstCombine] Fix phi scalarization with binop (PR #169120)

via llvm-commits llvm-commits at lists.llvm.org
Fri Nov 21 15:05:18 PST 2025


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/Transforms/InstCombine/InstCombineVectorOps.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/Transforms/InstCombine/InstCombineVectorOps.cpp b/llvm/lib/Transforms/InstCombine/InstCombineVectorOps.cpp
index f58de3558..98e2d9ebe 100644
--- a/llvm/lib/Transforms/InstCombine/InstCombineVectorOps.cpp
+++ b/llvm/lib/Transforms/InstCombine/InstCombineVectorOps.cpp
@@ -153,10 +153,10 @@ Instruction *InstCombinerImpl::scalarizePHI(ExtractElementInst &EI,
       // non-commutative operations.
       Value *FirstOp = (B0->getOperand(0) == PN) ? scalarPHI : Op;
       Value *SecondOp = (B0->getOperand(0) == PN) ? Op : scalarPHI;
-      Value *newPHIUser = InsertNewInstWith(
-          BinaryOperator::CreateWithCopiedFlags(B0->getOpcode(),
-                                                FirstOp, SecondOp, B0),
-          B0->getIterator());
+      Value *newPHIUser =
+          InsertNewInstWith(BinaryOperator::CreateWithCopiedFlags(
+                                B0->getOpcode(), FirstOp, SecondOp, B0),
+                            B0->getIterator());
       scalarPHI->addIncoming(newPHIUser, inBB);
     } else {
       // Scalarize PHI input:

``````````

</details>


https://github.com/llvm/llvm-project/pull/169120


More information about the llvm-commits mailing list