[llvm-branch-commits] [llvm] [SelectionDAG] Fold subvector inserts into concat operands (PR #200937)
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Mon Jun 1 13:47:51 PDT 2026
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``````````bash
git-clang-format --diff origin/main HEAD --extensions cpp -- llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp --diff_from_common_commit
``````````
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View the diff from clang-format here.
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``````````diff
diff --git a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
index 2b93d2236..bfbf5f631 100644
--- a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
@@ -29563,8 +29563,8 @@ SDValue DAGCombiner::visitINSERT_SUBVECTOR(SDNode *N) {
RelativeIdx + NumInsElts <= NumConcatOpElts) {
SmallVector<SDValue, 8> Ops(N0->ops());
Ops[ConcatOpIdx] = DAG.getNode(
- ISD::INSERT_SUBVECTOR, SDLoc(N), ConcatOpVT, Ops[ConcatOpIdx],
- N1, DAG.getVectorIdxConstant(RelativeIdx, SDLoc(N)));
+ ISD::INSERT_SUBVECTOR, SDLoc(N), ConcatOpVT, Ops[ConcatOpIdx], N1,
+ DAG.getVectorIdxConstant(RelativeIdx, SDLoc(N)));
return DAG.getNode(ISD::CONCAT_VECTORS, SDLoc(N), VT, Ops);
}
}
``````````
</details>
https://github.com/llvm/llvm-project/pull/200937
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