[GlobalISel] Split the generic pipeline components

1 files changed, 27 insertions, 0 deletions

diff --git a/backend/include/rcc/CodeGen/GlobalISel/RegBankSelect.h b/backend/include/rcc/CodeGen/GlobalISel/RegBankSelect.h
new file mode 100644
index 0000000..256d748
--- /dev/null
+++ b/backend/include/rcc/CodeGen/GlobalISel/RegBankSelect.h
@@ -0,0 +1,27 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#ifndef RCC_CODEGEN_GLOBALISEL_REGBANKSELECT_H
+#define RCC_CODEGEN_GLOBALISEL_REGBANKSELECT_H
+
+#include "rcc/CodeGen/MachinePass.h"
+#include "rcc/CodeGen/RegisterBankInfo.h"
+
+namespace rcc {
+
+class RegBankSelect final : public MachineFunctionPass {
+public:
+  explicit RegBankSelect(const RegisterBankInfo *Info) : Info(Info) {}
+  explicit RegBankSelect(const RegisterBankInfo &Info) : Info(&Info) {}
+
+  [[nodiscard]] const MachinePassContract &contract() const noexcept override;
+  [[nodiscard]] Expected<MachinePassResult> run(MachineFunction &Function,
+                                                const TargetDescription &Target,
+                                                MachineAnalysisManager &Analyses) override;
+
+private:
+  const RegisterBankInfo *Info;
+};
+
+} // namespace rcc
+
+#endif // RCC_CODEGEN_GLOBALISEL_REGBANKSELECT_H