[llvm] [RISCV] Handle zeroinitializer of vector tuple Type (PR #113995)

[Brandon Wu via llvm-commits]

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@@ -6288,6 +6288,9 @@ SDValue SelectionDAG::getNode(unsigned Opcode, const SDLoc &DL, EVT VT,
       return getNode(ISD::VECREDUCE_AND, DL, VT, N1);
     break;
   case ISD::SPLAT_VECTOR:
+    // RISC-V vector tuple type is not a vector type.
+    if (VT.isRISCVVectorTuple())
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4vtomat wrote:

Hmm, but I guess there's no way to skip this check lol~

https://github.com/llvm/llvm-project/pull/113995