[llvm] [RISCV] Emit lpad for function with returns-twice attribute (PR #170520)

[Craig Topper via llvm-commits]

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@@ -61,6 +61,16 @@ static void emitLpad(MachineBasicBlock &MBB, const RISCVInstrInfo *TII,
       .addImm(Label);
 }
 
+static bool IsCallReturnTwice(llvm::MachineOperand &MOp) {
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topperc wrote:

Function names should start with lower case.

https://github.com/llvm/llvm-project/pull/170520