[RISCV] Split the GlobalISel target components

1 files changed, 29 insertions, 0 deletions

diff --git a/backend/lib/Target/RISCV/GISel/RISCVLegalizerInfo.h b/backend/lib/Target/RISCV/GISel/RISCVLegalizerInfo.h
new file mode 100644
index 0000000..f6ba000
--- /dev/null
+++ b/backend/lib/Target/RISCV/GISel/RISCVLegalizerInfo.h
@@ -0,0 +1,29 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#ifndef RCC_LIB_TARGET_RISCV_GISEL_RISCVLEGALIZERINFO_H
+#define RCC_LIB_TARGET_RISCV_GISEL_RISCVLEGALIZERINFO_H
+
+#include "rcc/CodeGen/GlobalISel/LegalizerInfo.h"
+
+namespace rcc::riscv {
+
+class RISCVSubtarget;
+
+class RISCVLegalizerInfo final : public LegalizerInfo {
+public:
+  explicit RISCVLegalizerInfo(const RISCVSubtarget &Subtarget) : Subtarget(Subtarget) {}
+
+  [[nodiscard]] Expected<LegalizationAction>
+  classify(const MachineInstr &Instruction, const MachineFunction &Function,
+           const TargetDescription &Target) const override;
+  [[nodiscard]] Expected<void> lower(MachineInstr &Instruction, MachineFunction &Function,
+                                     const TargetDescription &Target,
+                                     LegalizationAction Action) const override;
+
+private:
+  const RISCVSubtarget &Subtarget;
+};
+
+} // namespace rcc::riscv
+
+#endif // RCC_LIB_TARGET_RISCV_GISEL_RISCVLEGALIZERINFO_H