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/SubtargetEmitter.cpp | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 backend/utils/TableGen/SubtargetEmitter.cpp

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

diff --git a/backend/utils/TableGen/SubtargetEmitter.cpp b/backend/utils/TableGen/SubtargetEmitter.cpp
new file mode 100644
index 0000000..f374d48
--- /dev/null
+++ b/backend/utils/TableGen/SubtargetEmitter.cpp
@@ -0,0 +1,23 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#include "TableGenBackends.h"
+
+#include <sstream>
+#include <string>
+
+namespace rcc::targetgen {
+
+std::string emitSubtarget(const NormalizedTargetModel &Model) {
+  std::ostringstream Output;
+  Output << "constexpr std::array<SchedulingClassInfo, " << Model.SchedulingClasses.size()
+         << "> GeneratedSchedulingClasses = {{\n";
+  for (const NormalizedSchedulingClass &Class : Model.SchedulingClasses) {
+    Output << "    {SchedulingClassID::fromValue(" << Class.ID << "), ";
+    appendQuoted(Output, Class.Name);
+    Output << ", " << Class.MicroOps << ", " << Class.Latency << "},\n";
+  }
+  Output << "}};\n\n";
+  return Output.str();
+}
+
+} // namespace rcc::targetgen
-- 
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