[CodeGen] Complete register allocation infrastructure

1 files changed, 29 insertions, 0 deletions

diff --git a/backend/include/rcc/CodeGen/RegAllocPBQP.h b/backend/include/rcc/CodeGen/RegAllocPBQP.h
new file mode 100644
index 0000000..368cbee
--- /dev/null
+++ b/backend/include/rcc/CodeGen/RegAllocPBQP.h
@@ -0,0 +1,29 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#ifndef RCC_CODEGEN_REGALLOCPBQP_H
+#define RCC_CODEGEN_REGALLOCPBQP_H
+
+#include "rcc/CodeGen/RegAllocCommon.h"
+#include "rcc/CodeGen/TargetRegisterAllocationInfo.h"
+
+namespace rcc {
+
+class PBQPAllocatorPass final : public MachineFunctionPass {
+public:
+  explicit PBQPAllocatorPass(const TargetRegisterAllocationInfo &Info,
+                             RegisterAllocationOptions Options = {}) noexcept
+      : Info(&Info), Options(Options) {}
+
+  [[nodiscard]] const MachinePassContract &contract() const noexcept override;
+  [[nodiscard]] Expected<MachinePassResult> run(MachineFunction &Function,
+                                                const TargetDescription &Target,
+                                                MachineAnalysisManager &Analyses) override;
+
+private:
+  const TargetRegisterAllocationInfo *Info;
+  RegisterAllocationOptions Options;
+};
+
+} // namespace rcc
+
+#endif // RCC_CODEGEN_REGALLOCPBQP_H