[RISCV] Complete Zcmp frame lowering and optimization

1 files changed, 7 insertions, 0 deletions

diff --git a/backend/include/rcc/CodeGen/LiveRegUnits.h b/backend/include/rcc/CodeGen/LiveRegUnits.h
index 6eb06a6..2e18bc9 100644
--- a/backend/include/rcc/CodeGen/LiveRegUnits.h
+++ b/backend/include/rcc/CodeGen/LiveRegUnits.h
@@ -38,6 +38,13 @@ public:
   void unite(const LiveRegUnits &Other);
   void subtract(const LiveRegUnits &Other);
 
+  [[nodiscard]] Expected<bool> available(PhysicalRegister Reg,
+                                         const TargetDescription &Target) const;
+  [[nodiscard]] static Expected<void> accumulateUsedDefed(const MachineInstr &Instruction,
+                                                          LiveRegUnits &Modified,
+                                                          LiveRegUnits &Used,
+                                                          const TargetDescription &Target);
+
   [[nodiscard]] const std::unordered_map<RegisterUnitID, LaneMask> &entries() const noexcept {
     return Values;
   }