From 068514ea70bd39ce6260c8c23982e702bafc2ab9 Mon Sep 17 00:00:00 2001
From: Richard-Qin-X <richard.qin.001@gmail.com>
Date: Wed, 12 Aug 2026 01:50:59 +0800
Subject: [RISCV] Legalize llvm.va_copy

---
 backend/include/rcc/CodeGen/MachineIRTypes.h | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'backend/include/rcc')

diff --git a/backend/include/rcc/CodeGen/MachineIRTypes.h b/backend/include/rcc/CodeGen/MachineIRTypes.h
index e71b80e..922adef 100644
--- a/backend/include/rcc/CodeGen/MachineIRTypes.h
+++ b/backend/include/rcc/CodeGen/MachineIRTypes.h
@@ -73,6 +73,15 @@ using JumpTableIndex = MachineIndex<detail::JumpTableIndexTag>;
 using TargetIndex = MachineIndex<detail::TargetIndexTag>;
 using CFIInstructionIndex = MachineIndex<detail::CFIInstructionIndexTag>;
 using IntrinsicID = MachineIndex<detail::IntrinsicIDTag>;
+
+enum class GenericIntrinsic : std::uint32_t {
+  VACopy = 1,
+};
+
+[[nodiscard]] constexpr IntrinsicID intrinsicID(GenericIntrinsic Intrinsic) noexcept {
+  return IntrinsicID::fromValue(static_cast<std::uint32_t>(Intrinsic));
+}
+
 using SubRegIndex = MachineIndex<detail::SubRegIndexTag>;
 using RegisterUnitID = MachineIndex<detail::RegisterUnitIDTag>;
 using RegisterBankID = MachineIndex<detail::RegisterBankIDTag>;
-- 
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