From 444db30751380e8fe459bfeae4c5bb2a93c596eb Mon Sep 17 00:00:00 2001
From: Richard-Qin-X <richard.qin.001@gmail.com>
Date: Thu, 13 Aug 2026 13:10:47 +0800
Subject: [TableGen] Split the target description generator

---
 backend/utils/TableGen/RegisterBankEmitter.cpp | 27 ++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)
 create mode 100644 backend/utils/TableGen/RegisterBankEmitter.cpp

(limited to 'backend/utils/TableGen/RegisterBankEmitter.cpp')

diff --git a/backend/utils/TableGen/RegisterBankEmitter.cpp b/backend/utils/TableGen/RegisterBankEmitter.cpp
new file mode 100644
index 0000000..54deb63
--- /dev/null
+++ b/backend/utils/TableGen/RegisterBankEmitter.cpp
@@ -0,0 +1,27 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#include "TableGenBackends.h"
+
+#include <ranges>
+#include <sstream>
+#include <string>
+
+namespace rcc::targetgen {
+
+std::string emitRegisterBanks(const NormalizedTargetModel &Model) {
+  std::ostringstream Output;
+  for (const NormalizedRegisterBank &Bank : Model.RegisterBanks) {
+    Output << "      {RegisterBankID::fromValue(" << Bank.ID << "), ";
+    appendQuoted(Output, Bank.Name);
+    Output << ", " << Bank.MaximumSizeInBits << ", {";
+    for (const std::uint32_t ClassID : Bank.RegisterClasses) {
+      const auto Position =
+          std::ranges::find(Model.RegisterClasses, ClassID, &NormalizedRegisterClass::ID);
+      Output << "RegisterClassID::fromValue(" << Position->ID << "), ";
+    }
+    Output << "}},\n";
+  }
+  return Output.str();
+}
+
+} // namespace rcc::targetgen
-- 
cgit v1.2.3