1 files changed, 34 insertions, 0 deletions
diff --git a/backend/include/rcc/CodeGen/MachineStackSlotColoring.h b/backend/include/rcc/CodeGen/MachineStackSlotColoring.h
new file mode 100644
index 0000000..19c1c70
--- /dev/null
+++ b/backend/include/rcc/CodeGen/MachineStackSlotColoring.h
@@ -0,0 +1,34 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#ifndef RCC_CODEGEN_MACHINESTACKSLOTCOLORING_H
+#define RCC_CODEGEN_MACHINESTACKSLOTCOLORING_H
+
+#include "rcc/CodeGen/MachinePass.h"
+
+#include <cstddef>
+
+namespace rcc {
+
+struct MachineStackSlotColoringOptions final {
+  std::size_t MaximumColoredSlots = 4'096;
+};
+
+class MachineStackSlotColoringPass final : public MachineFunctionPass {
+public:
+  explicit MachineStackSlotColoringPass(MachineStackSlotColoringOptions Options = {}) noexcept
+      : Options(Options) {}
+
+  [[nodiscard]] const MachinePassContract &contract() const noexcept override;
+  [[nodiscard]] Expected<MachinePassResult> run(MachineFunction &Function,
+                                                const TargetDescription &Target,
+                                                MachineAnalysisManager &Analyses) override;
+
+private:
+  [[nodiscard]] Expected<MachinePassResult> runImplementation(MachineFunction &Function) const;
+
+  MachineStackSlotColoringOptions Options;
+};
+
+} // namespace rcc
+
+#endif // RCC_CODEGEN_MACHINESTACKSLOTCOLORING_H