From 495c675771f43cfa12ab7a426a538be72fec1805 Mon Sep 17 00:00:00 2001
From: Richard-Qin-X <richard.qin.001@gmail.com>
Date: Sun, 9 Aug 2026 17:03:19 +0800
Subject: [CodeGen] Implement machine optimization and scheduling

---
 .../rcc/CodeGen/MachineOptimizationPipeline.h      | 43 ++++++++++++++++++++++
 1 file changed, 43 insertions(+)
 create mode 100644 backend/include/rcc/CodeGen/MachineOptimizationPipeline.h

(limited to 'backend/include/rcc/CodeGen/MachineOptimizationPipeline.h')

diff --git a/backend/include/rcc/CodeGen/MachineOptimizationPipeline.h b/backend/include/rcc/CodeGen/MachineOptimizationPipeline.h
new file mode 100644
index 0000000..0953437
--- /dev/null
+++ b/backend/include/rcc/CodeGen/MachineOptimizationPipeline.h
@@ -0,0 +1,43 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#ifndef RCC_CODEGEN_MACHINEOPTIMIZATIONPIPELINE_H
+#define RCC_CODEGEN_MACHINEOPTIMIZATIONPIPELINE_H
+
+#include "rcc/CodeGen/MachinePass.h"
+
+namespace rcc {
+
+class TargetBranchInfo;
+class TargetFrameLowering;
+class TargetMachineCombinerInfo;
+class TargetMemoryFoldingInfo;
+class TargetPseudoExpansionInfo;
+class TargetSchedulingModel;
+class TargetSSAInfo;
+
+struct MachineOptimizationPipelineTargetInfo final {
+  const TargetSSAInfo &SSA;
+  const TargetMachineCombinerInfo &Combiner;
+  const TargetMemoryFoldingInfo &MemoryFolding;
+  const TargetFrameLowering &FrameLowering;
+  const TargetPseudoExpansionInfo &PseudoExpansion;
+  const TargetSchedulingModel &SchedulingModel;
+  const TargetBranchInfo &BranchInfo;
+};
+
+[[nodiscard]] Expected<void> registerMachineOptimizationAnalyses(MachineAnalysisManager &Analyses);
+
+[[nodiscard]] Expected<void>
+addSelectedSSAOptimizationPipeline(MachinePassManager &Pipeline,
+                                   const MachineOptimizationPipelineTargetInfo &TargetInfo);
+
+[[nodiscard]] Expected<void> addPreRegisterAllocationOptimizationPipeline(
+    MachinePassManager &Pipeline, const MachineOptimizationPipelineTargetInfo &TargetInfo);
+
+[[nodiscard]] Expected<void>
+addPostRegisterAllocationPipeline(MachinePassManager &Pipeline,
+                                  const MachineOptimizationPipelineTargetInfo &TargetInfo);
+
+} // namespace rcc
+
+#endif // RCC_CODEGEN_MACHINEOPTIMIZATIONPIPELINE_H
-- 
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