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

[Craig Topper via llvm-commits]

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@@ -981,3 +984,26 @@ bool RISCVAsmPrinter::lowerToMCInst(const MachineInstr *MI, MCInst &OutMI) {
   }
   return false;
 }
+
+void RISCVAsmPrinter::emitMachineConstantPoolValue(
+    MachineConstantPoolValue *MCPV) {
+  auto *RCPV = static_cast<RISCVConstantPoolValue *>(MCPV);
+  MCSymbol *MCSym;
+
+  if (RCPV->isGlobalValue()) {
+    auto GV = cast<RISCVConstantPoolConstant>(RCPV)->getGlobalValue();
+    MCSym = getSymbol(GV);
+  } else if (RCPV->isBlockAddress()) {
+    auto BA = cast<RISCVConstantPoolConstant>(RCPV)->getBlockAddress();
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topperc wrote:

`auto *BA`

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