[llvm] [RISCV] Support the large code model. (PR #70308)

[Craig Topper via llvm-commits]

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@@ -7368,6 +7400,9 @@ SDValue RISCVTargetLowering::getAddr(NodeTy *N, SelectionDAG &DAG,
     // expands to (addi (auipc %pcrel_hi(sym)) %pcrel_lo(auipc)).
     return DAG.getNode(RISCVISD::LLA, DL, Ty, Addr);
   }
+  case CodeModel::Large: {
+    return getLargeAddr(N, DL, Ty, DAG);
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topperc wrote:

Can we inline this function into the switch? It doesn't look any more complicated than the other code model code.

https://github.com/llvm/llvm-project/pull/70308