[PATCH] D102498: [AArch64][SVE] Improve codegen for fixed length vector concat

[Bradley Smith via Phabricator via llvm-commits]

bsmith added inline comments.


================
Comment at: llvm/lib/Target/AArch64/AArch64ISelLowering.cpp:17708
+  // For now don't support concat of more than 2 vectors
+  if (Op->getNumOperands() != 2)
+    return SDValue();
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joechrisellis wrote:
> Just a question -- can we have `CONCAT_VECTOR` with a single operand? Doesn't seem like it. 🤔 
I don't believe so, no.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D102498/new/

https://reviews.llvm.org/D102498