🍒 Add missing LLVM_ABI annotations (llvm#165908)

Bug: swiftlang/swift#85241

Author: Steelskin

llvm/include/llvm/Support/SourceMgr.h

@@ -103,18 +103,18 @@ class SourceMgr {
 
 public:
   /// Create new source manager without support for include files.
-  SourceMgr();
+  LLVM_ABI SourceMgr();
   /// Create new source manager with the capability of finding include files
   /// via the provided file system.
   explicit SourceMgr(IntrusiveRefCntPtr<vfs::FileSystem> FS);
   SourceMgr(const SourceMgr &) = delete;
   SourceMgr &operator=(const SourceMgr &) = delete;
   SourceMgr(SourceMgr &&);
   SourceMgr &operator=(SourceMgr &&);
-  ~SourceMgr();
+  LLVM_ABI ~SourceMgr();
 
   IntrusiveRefCntPtr<vfs::FileSystem> getVirtualFileSystem() const;
-  void setVirtualFileSystem(IntrusiveRefCntPtr<vfs::FileSystem> FS);
+  LLVM_ABI void setVirtualFileSystem(IntrusiveRefCntPtr<vfs::FileSystem> FS);
 
   /// Return the include directories of this source manager.
   ArrayRef<std::string> getIncludeDirs() const { return IncludeDirectories; }

llvm/include/llvm/Support/VirtualFileSystem.h

@@ -1166,8 +1166,9 @@ class LLVM_ABI RedirectingFileSystem
 /// Collect all pairs of <virtual path, real path> entries from the
 /// \p VFS. This is used by the module dependency collector to forward
 /// the entries into the reproducer output VFS YAML file.
-void collectVFSEntries(RedirectingFileSystem &VFS,
-                       SmallVectorImpl<YAMLVFSEntry> &CollectedEntries);
+LLVM_ABI void
+collectVFSEntries(RedirectingFileSystem &VFS,
+                  SmallVectorImpl<YAMLVFSEntry> &CollectedEntries);
 
 class YAMLVFSWriter {
   std::vector<YAMLVFSEntry> Mappings;

llvm/include/llvm/Support/VirtualOutputBackend.h

@@ -22,7 +22,7 @@ namespace vfs {
 /// If virtual functions are added here, also add them to \a
 /// ProxyOutputBackend.
 class OutputBackend : public RefCountedBase<OutputBackend> {
-  virtual void anchor();
+  LLVM_ABI virtual void anchor();
 
 public:
   /// Get a backend that points to the same destination as this one but that
@@ -37,7 +37,7 @@ class OutputBackend : public RefCountedBase<OutputBackend> {
   /// have been customized).
   ///
   /// Thread-safe.
-  Expected<OutputFile>
+  LLVM_ABI Expected<OutputFile>
   createFile(const Twine &Path,
              std::optional<OutputConfig> Config = std::nullopt);
 

llvm/include/llvm/Support/VirtualOutputBackends.h

@@ -64,14 +64,14 @@ class ProxyOutputBackend : public OutputBackend {
 
 /// An output backend that creates files on disk, wrapping APIs in sys::fs.
 class OnDiskOutputBackend : public OutputBackend {
-  void anchor() override;
+  LLVM_ABI void anchor() override;
 
 protected:
   IntrusiveRefCntPtr<OutputBackend> cloneImpl() const override {
     return clone();
   }
 
-  Expected<std::unique_ptr<OutputFileImpl>>
+  LLVM_ABI Expected<std::unique_ptr<OutputFileImpl>>
   createFileImpl(StringRef Path, std::optional<OutputConfig> Config) override;
 
 public:

llvm/include/llvm/Support/VirtualOutputError.h

@@ -42,7 +42,7 @@ class OutputError : public ErrorInfo<OutputError, ECError> {
   }
 
   // Used by ErrorInfo::classID.
-  static char ID;
+  LLVM_ABI static char ID;
 
   OutputError(const Twine &OutputPath, std::error_code EC)
       : ErrorInfo<OutputError, ECError>(EC), OutputPath(OutputPath.str()) {
@@ -104,7 +104,7 @@ class TempFileOutputError : public ErrorInfo<TempFileOutputError, OutputError> {
   }
 
   // Used by ErrorInfo::classID.
-  static char ID;
+  LLVM_ABI static char ID;
 
   TempFileOutputError(const Twine &TempPath, const Twine &OutputPath,
                       std::error_code EC)

llvm/include/llvm/Support/VirtualOutputFile.h

@@ -74,13 +74,13 @@ class OutputFile {
   ///
   /// If there's an open proxy from \a createProxy(), calls \a discard() to
   /// clean up temporaries followed by \a report_fatal_error().
-  Error keep();
+  LLVM_ABI Error keep();
 
   /// Discard an output, cleaning up any temporary state. Errors if clean-up
   /// fails.
   ///
   /// If it has already been closed, calls \a report_fatal_error().
-  Error discard();
+  LLVM_ABI Error discard();
 
   /// Discard the output when destroying it if it's still open, sending the
   /// result to \a Handler.
@@ -92,7 +92,7 @@ class OutputFile {
   /// producer. Errors if there's already a proxy. The proxy must be deleted
   /// before calling \a keep(). The proxy will crash if it's written to after
   /// calling \a discard().
-  Expected<std::unique_ptr<raw_pwrite_stream>> createProxy();
+  LLVM_ABI Expected<std::unique_ptr<raw_pwrite_stream>> createProxy();
 
   bool hasOpenProxy() const { return OpenProxy; }
 
@@ -126,7 +126,7 @@ class OutputFile {
 private:
   /// Destroy \a Impl. Reports fatal error if the file is open and there's no
   /// handler from \a discardOnDestroy().
-  void destroy();
+  LLVM_ABI void destroy();
   OutputFile &moveFrom(OutputFile &O) {
     Path = std::move(O.Path);
     Impl = std::move(O.Impl);

llvm/include/llvm/Transforms/IPO/InferFunctionAttrs.h

@@ -23,7 +23,7 @@ class Module;
 /// A pass which infers function attributes from the names and signatures of
 /// function declarations in a module.
 struct InferFunctionAttrsPass : PassInfoMixin<InferFunctionAttrsPass> {
-  PreservedAnalyses run(Module &M, ModuleAnalysisManager &AM);
+  LLVM_ABI PreservedAnalyses run(Module &M, ModuleAnalysisManager &AM);
 };
 
 }

llvm/include/llvm/Transforms/Instrumentation/SanitizerCoverage.h

@@ -30,7 +30,7 @@ class Module;
 /// appends globals to llvm.compiler.used.
 class SanitizerCoveragePass : public PassInfoMixin<SanitizerCoveragePass> {
 public:
-  explicit SanitizerCoveragePass(
+  LLVM_ABI explicit SanitizerCoveragePass(
       SanitizerCoverageOptions Options = SanitizerCoverageOptions(),
       const std::vector<std::string> &AllowlistFiles =
           std::vector<std::string>(),