Remove Type Body Fingerprints Flags

include/swift/AST/AbstractSourceFileDepGraphFactory.h

@@ -24,10 +24,6 @@ namespace fine_grained_dependencies {
 /// \c SourceFile or a unit test
 class AbstractSourceFileDepGraphFactory {
 protected:
-  /// To match the existing system, set this to false.
-  /// To include even private entities and get intra-file info, set to true.
-  const bool includePrivateDeps;
-
   /// If there was an error, cannot get accurate info.
   const bool hadCompilationError;
 
@@ -48,8 +44,7 @@ class AbstractSourceFileDepGraphFactory {
 public:
   /// Expose this layer to enable faking up a constructor for testing.
   /// See the instance variable comments for explanation.
-  AbstractSourceFileDepGraphFactory(bool includePrivateDeps,
-                                    bool hadCompilationError,
+  AbstractSourceFileDepGraphFactory(bool hadCompilationError,
                                     StringRef swiftDeps,
                                     StringRef fileFingerprint,
                                     bool emitDotFileAfterConstruction,

include/swift/AST/Decl.h

@@ -948,9 +948,6 @@ class alignas(1 << DeclAlignInBits) Decl {
   /// If this returns true, the decl can be safely casted to ValueDecl.
   bool isPotentiallyOverridable() const;
 
-  /// Returns true if this Decl cannot be seen by any other source file
-  bool isPrivateToEnclosingFile() const;
-
   /// If an alternative module name is specified for this decl, e.g. using
   /// @_originalDefinedIn attribute, this function returns this module name.
   StringRef getAlternateModuleName() const;

include/swift/Basic/LangOptions.h

@@ -330,21 +330,10 @@ namespace swift {
     /// of active clauses aren't hoisted into the enclosing scope.
     bool DisablePoundIfEvaluation = false;
 
-    /// Instead of hashing tokens inside of NominalType and ExtensionBodies into
-    /// the interface hash, hash them into per-iterable-decl-context
-    /// fingerprints. Fine-grained dependency types won't dirty every provides
-    /// in a file when the user adds a member to, e.g., a struct.
-    bool EnableTypeFingerprints = true;
-
     /// When using fine-grained dependencies, emit dot files for every swiftdeps
     /// file.
     bool EmitFineGrainedDependencySourcefileDotFiles = false;
 
-    /// To mimic existing system, set to false.
-    /// To experiment with including file-private and private dependency info,
-    /// set to true.
-    bool FineGrainedDependenciesIncludeIntrafileOnes = false;
-
     /// Whether to enable experimental differentiable programming features:
     /// `@differentiable` declaration attribute, etc.
     bool EnableExperimentalDifferentiableProgramming = false;

include/swift/Driver/Compilation.h

@@ -265,19 +265,13 @@ class Compilation {
   const bool OnlyOneDependencyFile;
 
 private:
-  /// Is the parser recording token hashes for each type body?
-  const bool EnableTypeFingerprints;
-
   /// Helpful for debugging, but slows down the driver. So, only turn on when
   /// needed.
   const bool VerifyFineGrainedDependencyGraphAfterEveryImport;
   /// Helpful for debugging, but slows down the driver. So, only turn on when
   /// needed.
   const bool EmitFineGrainedDependencyDotFileAfterEveryImport;
 
-  /// Experiment with intrafile dependencies
-  const bool FineGrainedDependenciesIncludeIntrafileOnes;
-
   /// Experiment with source-range-based dependencies
   const bool EnableSourceRangeDependencies;
 
@@ -319,11 +313,8 @@ class Compilation {
               bool ShowDriverTimeCompilation = false,
               std::unique_ptr<UnifiedStatsReporter> Stats = nullptr,
               bool OnlyOneDependencyFile = false,
-              bool EnableTypeFingerprints =
-                LangOptions().EnableTypeFingerprints,
               bool VerifyFineGrainedDependencyGraphAfterEveryImport = false,
               bool EmitFineGrainedDependencyDotFileAfterEveryImport = false,
-              bool FineGrainedDependenciesIncludeIntrafileOnes = false,
               bool EnableSourceRangeDependencies = false,
               bool CompareIncrementalSchemes = false,
               StringRef CompareIncrementalSchemesPath = "",
@@ -386,8 +377,6 @@ class Compilation {
   }
   void disableIncrementalBuild(Twine why);
 
-  bool getEnableTypeFingerprints() const { return EnableTypeFingerprints; }
-
   bool getVerifyFineGrainedDependencyGraphAfterEveryImport() const {
     return VerifyFineGrainedDependencyGraphAfterEveryImport;
   }
@@ -396,10 +385,6 @@ class Compilation {
     return EmitFineGrainedDependencyDotFileAfterEveryImport;
   }
 
-  bool getFineGrainedDependenciesIncludeIntrafileOnes() const {
-    return FineGrainedDependenciesIncludeIntrafileOnes;
-  }
-
   bool getEnableSourceRangeDependencies() const {
     return EnableSourceRangeDependencies;
   }

include/swift/Driver/FineGrainedDependencyDriverGraph.h

@@ -189,8 +189,6 @@ class ModuleDepGraph {
   const bool verifyFineGrainedDependencyGraphAfterEveryImport;
   const bool emitFineGrainedDependencyDotFileAfterEveryImport;
 
-  const bool EnableTypeFingerprints;
-
 private:
   /// If tracing dependencies, holds a vector used to hold the current path
   /// def - use/def - use/def - ...
@@ -296,14 +294,12 @@ class ModuleDepGraph {
   /// \p stats may be null
   ModuleDepGraph(const bool verifyFineGrainedDependencyGraphAfterEveryImport,
                  const bool emitFineGrainedDependencyDotFileAfterEveryImport,
-                 const bool EnableTypeFingerprints,
                  const bool shouldTraceDependencies,
                  UnifiedStatsReporter *stats)
       : verifyFineGrainedDependencyGraphAfterEveryImport(
             verifyFineGrainedDependencyGraphAfterEveryImport),
         emitFineGrainedDependencyDotFileAfterEveryImport(
             emitFineGrainedDependencyDotFileAfterEveryImport),
-        EnableTypeFingerprints(EnableTypeFingerprints),
         currentPathIfTracing(
             shouldTraceDependencies
                 ? llvm::Optional<std::vector<const ModuleDepGraphNode *>>(
@@ -314,11 +310,10 @@ class ModuleDepGraph {
   }
 
   /// For unit tests.
-  ModuleDepGraph(const bool EnableTypeFingerprints,
-                 const bool EmitDotFilesForDebugging = false)
+  ModuleDepGraph(const bool EmitDotFilesForDebugging = false)
       : ModuleDepGraph(
             true, /*emitFineGrainedDependencyDotFileAfterEveryImport=*/
-            EmitDotFilesForDebugging, EnableTypeFingerprints, false, nullptr) {}
+            EmitDotFilesForDebugging, false, nullptr) {}
 
   //============================================================================
   // MARK: ModuleDepGraph - updating from a switdeps file

include/swift/Option/Options.td

@@ -139,14 +139,6 @@ def driver_always_rebuild_dependents :
   Flag<["-"], "driver-always-rebuild-dependents">, InternalDebugOpt,
   HelpText<"Always rebuild dependents of files that have been modified">;
 
-def enable_type_fingerprints :
-Flag<["-"], "enable-type-fingerprints">, Flags<[FrontendOption, HelpHidden]>,
-HelpText<"Enable per-nominal and extension body fingerprints">;
-
-def disable_type_fingerprints :
-Flag<["-"], "disable-type-fingerprints">, Flags<[FrontendOption, HelpHidden]>,
-HelpText<"Disable per-nominal and extension body fingerprints">;
-
 def enable_only_one_dependency_file :
 Flag<["-"], "enable-only-one-dependency-file">, Flags<[DoesNotAffectIncrementalBuild]>,
  HelpText<"Enables incremental build optimization that only produces one dependencies file">;
@@ -190,11 +182,6 @@ Flag<["-"], "driver-emit-fine-grained-dependency-dot-file-after-every-import">,
 InternalDebugOpt,
 HelpText<"Emit dot files every time driver imports an fine-grained swiftdeps file.">;
 
-def fine_grained_dependency_include_intrafile :
-Flag<["-"], "fine-grained-dependency-include-intrafile">,
-Flags<[FrontendOption, HelpHidden]>,
-HelpText<"Include within-file dependencies.">;
-
 def emit_fine_grained_dependency_sourcefile_dot_files :
 Flag<["-"], "emit-fine-grained-dependency-sourcefile-dot-files">,
 Flags<[FrontendOption, HelpHidden]>,

lib/AST/AbstractSourceFileDepGraphFactory.cpp

@@ -33,11 +33,10 @@ using namespace fine_grained_dependencies;
 //==============================================================================
 
 AbstractSourceFileDepGraphFactory::AbstractSourceFileDepGraphFactory(
-    bool includePrivateDeps, bool hadCompilationError, StringRef swiftDeps,
+    bool hadCompilationError, StringRef swiftDeps,
     StringRef fileFingerprint, bool emitDotFileAfterConstruction,
     DiagnosticEngine &diags)
-    : includePrivateDeps(includePrivateDeps),
-      hadCompilationError(hadCompilationError), swiftDeps(swiftDeps.str()),
+    : hadCompilationError(hadCompilationError), swiftDeps(swiftDeps.str()),
       fileFingerprint(fileFingerprint.str()),
       emitDotFileAfterConstruction(emitDotFileAfterConstruction), diags(diags) {
 }

lib/AST/Decl.cpp

@@ -8098,26 +8098,3 @@ void swift::simple_display(llvm::raw_ostream &out, AnyFunctionRef fn) {
   else
     out << "closure";
 }
-
-bool Decl::isPrivateToEnclosingFile() const {
-  if (auto *VD = dyn_cast<ValueDecl>(this))
-    return VD->getFormalAccess() <= AccessLevel::FilePrivate;
-  switch (getKind()) {
-  case DeclKind::Import:
-  case DeclKind::PatternBinding:
-  case DeclKind::EnumCase:
-  case DeclKind::TopLevelCode:
-  case DeclKind::IfConfig:
-  case DeclKind::PoundDiagnostic:
-    return true;
-
-  case DeclKind::Extension:
-  case DeclKind::InfixOperator:
-  case DeclKind::PrefixOperator:
-  case DeclKind::PostfixOperator:
-    return false;
-
-  default:
-    llvm_unreachable("everything else is a ValueDecl");
-  }
-}

lib/AST/DeclContext.cpp

@@ -933,7 +933,7 @@ bool IterableDeclContext::areTokensHashedForThisBodyInsteadOfInterfaceHash()
   // corresponding to the fingerprinted nominal dependency node.
   if (isa<ExtensionDecl>(this))
     return false;
-  return getASTContext().LangOpts.EnableTypeFingerprints;
+  return true;
 }
 
 /// Return the DeclContext to compare when checking private access in