[CodeGen] Match LLVM machine copy propagation

1 files changed, 4 insertions, 10 deletions

diff --git a/backend/include/rcc/CodeGen/MachineCopyPropagation.h b/backend/include/rcc/CodeGen/MachineCopyPropagation.h
index ab8b23f..59a3a77 100644
--- a/backend/include/rcc/CodeGen/MachineCopyPropagation.h
+++ b/backend/include/rcc/CodeGen/MachineCopyPropagation.h
@@ -6,26 +6,21 @@
 #include "rcc/CodeGen/MachinePassManager.h"
 
 #include <cstddef>
-#include <cstdint>
 
 namespace rcc {
 
 class TargetInstrInfo;
 
-enum class MachineCopyPropagationStage : std::uint8_t {
-  PreRegisterAllocation,
-  PostRegisterAllocation,
-};
-
 struct MachineCopyPropagationOptions final {
   std::size_t MaximumPropagatedCopies = 10'000;
+  bool UseTargetCopyInstructions = false;
 };
 
 class MachineCopyPropagationPass final : public MachineFunctionPass {
 public:
-  MachineCopyPropagationPass(const TargetInstrInfo &Info, MachineCopyPropagationStage Stage,
-                             MachineCopyPropagationOptions Options = {}) noexcept
-      : Info(&Info), Stage(Stage), Options(Options) {}
+  explicit MachineCopyPropagationPass(const TargetInstrInfo &Info,
+                                      MachineCopyPropagationOptions Options = {}) noexcept
+      : Info(&Info), Options(Options) {}
 
   [[nodiscard]] const MachinePassContract &contract() const noexcept override;
   [[nodiscard]] Expected<MachinePassResult> run(MachineFunction &Function,
@@ -38,7 +33,6 @@ private:
                                                               MachineActionReplay &Actions) const;
 
   const TargetInstrInfo *Info;
-  MachineCopyPropagationStage Stage;
   MachineCopyPropagationOptions Options;
 };