3 files changed, 6 insertions, 18 deletions
diff --git a/backend/include/rcc/Tooling/ArtifactStore.h b/backend/include/rcc/Tooling/ArtifactStore.h
index f11cd6c..e4bca4c 100644
--- a/backend/include/rcc/Tooling/ArtifactStore.h
+++ b/backend/include/rcc/Tooling/ArtifactStore.h
@@ -37,6 +37,9 @@ struct ReproducerPackage final {
   CanonicalMIR Input;
 };
 
+[[nodiscard]] bool isMIRArtifact(ArtifactKind Artifact) noexcept;
+[[nodiscard]] bool isCacheableArtifact(ArtifactKind Artifact) noexcept;
+
 [[nodiscard]] Expected<CanonicalMIR> parseAndCanonicalizeMIR(std::string SourceName,
                                                              std::string SourceText,
                                                              const TargetDescription &Target,
diff --git a/backend/include/rcc/Tooling/BackendDriver.h b/backend/include/rcc/Tooling/BackendDriver.h
index 6b04de9..8117a0c 100644
--- a/backend/include/rcc/Tooling/BackendDriver.h
+++ b/backend/include/rcc/Tooling/BackendDriver.h
@@ -19,20 +19,8 @@ class TargetDescription;
 
 namespace tooling {
 
-enum class BackendOutputKind : std::uint8_t {
-  PreLegalizerMIR,
-  LegalizedMIR,
-  RegisterBankMIR,
-  SelectedMIR,
-  PostSSAMIR,
-  PostRegisterAllocationMIR,
-  FinalMIR,
-  Assembly,
-  RelocatableObject,
-};
-
 struct BackendRunResult final {
-  BackendOutputKind Kind = BackendOutputKind::FinalMIR;
+  ArtifactKind Kind = ArtifactKind::FinalMIR;
   std::vector<std::uint8_t> Output;
   PipelineRunResult Pipeline;
   std::vector<MachineActionEvent> Actions;
@@ -42,13 +30,9 @@ struct BackendRunResult final {
 
 [[nodiscard]] Expected<BackendRunResult>
 runBackend(CanonicalMIR Input, const TargetDescription &Target, const BackendInvocation &Invocation,
-           BackendOutputKind Output, PipelineControls Controls = {},
+           ArtifactKind Output, PipelineControls Controls = {},
            MachinePassInstrumentation *Instrumentation = nullptr);
 
-[[nodiscard]] std::string_view spelling(BackendOutputKind Output) noexcept;
-[[nodiscard]] ArtifactKind manifestArtifactKind(BackendOutputKind Output) noexcept;
-[[nodiscard]] Expected<ArtifactKind> cacheArtifactKind(BackendOutputKind Output);
-
 } // namespace tooling
 } // namespace rcc
 
diff --git a/backend/include/rcc/Tooling/PipelineDriver.h b/backend/include/rcc/Tooling/PipelineDriver.h
index 5fa4fba..d10fe4d 100644
--- a/backend/include/rcc/Tooling/PipelineDriver.h
+++ b/backend/include/rcc/Tooling/PipelineDriver.h
@@ -77,6 +77,7 @@ runRV64GCPipeline(mir::MIRDocument &Document, const TargetDescription &Target,
                   const BackendInvocation &Invocation, PipelineControls Controls = {},
                   MachinePassInstrumentation *Instrumentation = nullptr);
 [[nodiscard]] BackendStage stageForFunction(const MachineFunction &Function) noexcept;
+[[nodiscard]] bool isEarlierStage(BackendStage Left, BackendStage Right) noexcept;
 [[nodiscard]] std::string_view spelling(BackendStage Stage) noexcept;
 [[nodiscard]] Expected<BackendStage> parseBackendStage(std::string_view Value);