1 files changed, 72 insertions, 0 deletions
diff --git a/backend/include/rcc/CodeGen/MachinePseudoExpansion.h b/backend/include/rcc/CodeGen/MachinePseudoExpansion.h
new file mode 100644
index 0000000..1dfb6ba
--- /dev/null
+++ b/backend/include/rcc/CodeGen/MachinePseudoExpansion.h
@@ -0,0 +1,72 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#ifndef RCC_CODEGEN_MACHINEPSEUDOEXPANSION_H
+#define RCC_CODEGEN_MACHINEPSEUDOEXPANSION_H
+
+#include "rcc/CodeGen/MachinePass.h"
+#include "rcc/CodeGen/TargetPseudoExpansion.h"
+
+namespace rcc {
+
+class TargetBranchInfo;
+class TargetPseudoExpansionInfo;
+
+class PreparePostRAPseudosPass final : public MachineFunctionPass {
+public:
+  explicit PreparePostRAPseudosPass(const TargetPseudoExpansionInfo &Info) noexcept : Info(&Info) {}
+
+  [[nodiscard]] const MachinePassContract &contract() const noexcept override;
+  [[nodiscard]] Expected<MachinePassResult> run(MachineFunction &Function,
+                                                const TargetDescription &Target,
+                                                MachineAnalysisManager &Analyses) override;
+
+private:
+  const TargetPseudoExpansionInfo *Info;
+};
+
+class PrePEITargetPseudoExpansionPass final : public MachineFunctionPass {
+public:
+  explicit PrePEITargetPseudoExpansionPass(const TargetPseudoExpansionInfo &Info) noexcept
+      : Info(&Info) {}
+
+  [[nodiscard]] const MachinePassContract &contract() const noexcept override;
+  [[nodiscard]] Expected<MachinePassResult> run(MachineFunction &Function,
+                                                const TargetDescription &Target,
+                                                MachineAnalysisManager &Analyses) override;
+
+private:
+  const TargetPseudoExpansionInfo *Info;
+};
+
+class ExpandPostRAPseudosPass final : public MachineFunctionPass {
+public:
+  explicit ExpandPostRAPseudosPass(const TargetPseudoExpansionInfo &Info) noexcept : Info(&Info) {}
+
+  [[nodiscard]] const MachinePassContract &contract() const noexcept override;
+  [[nodiscard]] Expected<MachinePassResult> run(MachineFunction &Function,
+                                                const TargetDescription &Target,
+                                                MachineAnalysisManager &Analyses) override;
+
+private:
+  const TargetPseudoExpansionInfo *Info;
+};
+
+class TargetLatePseudoExpansionPass final : public MachineFunctionPass {
+public:
+  TargetLatePseudoExpansionPass(const TargetPseudoExpansionInfo &Info,
+                                const TargetBranchInfo &BranchInfo) noexcept
+      : Info(&Info), BranchInfo(&BranchInfo) {}
+
+  [[nodiscard]] const MachinePassContract &contract() const noexcept override;
+  [[nodiscard]] Expected<MachinePassResult> run(MachineFunction &Function,
+                                                const TargetDescription &Target,
+                                                MachineAnalysisManager &Analyses) override;
+
+private:
+  const TargetPseudoExpansionInfo *Info;
+  const TargetBranchInfo *BranchInfo;
+};
+
+} // namespace rcc
+
+#endif // RCC_CODEGEN_MACHINEPSEUDOEXPANSION_H