[PATCH] D38146: [AArch64] Fix bug in store of vector 0 DAGCombine.

[Geoff Berry via Phabricator via llvm-commits]

gberry added a comment.

Thanks Eli.



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Comment at: lib/Target/AArch64/AArch64ISelLowering.cpp:9463
+  }
+  SDValue SplatVal = DAG.getCopyFromReg(St.getChain(), DL, ZeroReg, ZeroVT);
   return splitStoreSplat(DAG, St, SplatVal, NumVecElts);
----------------
efriedma wrote:
> I think you can use the entry node as the chain operand, rather than the store's chain?
Right, I was thinking of it as the chain for the split stores, but the copy from xzr can happen whenever.


https://reviews.llvm.org/D38146