[Driver] Hook up -emit-dependencies option, but don't do anything with it yet.

Part of <rdar://problem/14899639>

Swift SVN r18044

include/swift/AST/DiagnosticsFrontend.def

@@ -69,6 +69,8 @@ ERROR(error_immediate_mode_missing_library,frontend,none,
 ERROR(error_immediate_mode_primary_file,frontend,none,
   "immediate mode is incompatible with -primary-file", ())
 
+ERROR(error_mode_cannot_emit_dependencies,frontend,none,
+  "this mode does not support emitting dependency files", ())
 ERROR(error_mode_cannot_emit_header,frontend,none,
   "this mode does not support emitting Objective-C headers", ())
 ERROR(error_mode_cannot_emit_module,frontend,none,

include/swift/Driver/FrontendOptions.td

@@ -35,6 +35,10 @@ def emit_module_doc_path
   : Separate<["-"], "emit-module-doc-path">, MetaVarName<"<path>">,
     HelpText<"Output module documentation file <path>">;
 
+def emit_dependencies_path
+  : Separate<["-"], "emit-dependencies-path">, MetaVarName<"<path>">,
+    HelpText<"Output dependencies file to <path>">;
+
 def serialize_diagnostics_path
   : Separate<["-"], "serialize-diagnostics-path">, MetaVarName<"<path>">,
     HelpText<"Output serialized diagnostics to <path>">;

include/swift/Driver/Options.td

@@ -130,6 +130,10 @@ def output_file_map_EQ : Joined<["-"], "output-file-map=">,
 def save_temps : Flag<["-"], "save-temps">,
   HelpText<"Save intermediate compilation results">;
 
+def emit_dependencies : Flag<["-"], "emit-dependencies">,
+  Flags<[FrontendOption]>,
+  HelpText<"Emit Make-compatible dependencies files">;
+
 def serialize_diagnostics : Flag<["-"], "serialize-diagnostics">,
   Flags<[FrontendOption]>,
   HelpText<"Serialize diagnostics in a binary format">;

include/swift/Frontend/FrontendOptions.h

@@ -95,6 +95,9 @@ public:
   /// frontend invocation.
   std::string SerializedDiagnosticsPath;
 
+  /// The path to which we should output a Make-style dependencies file.
+  std::string DependenciesFilePath;
+
   /// Arguments which should be passed in immediate mode.
   std::vector<std::string> ImmediateArgv;
 

lib/Driver/Driver.cpp

@@ -843,6 +843,35 @@ collectTemporaryFilesForAction(const Action &A, const Job &J,
   }
 }
 
+static void addAuxiliaryOutput(CommandOutput &output, types::ID outputType,
+                               const OutputInfo &OI,
+                               const TypeToPathMap *outputMap) {
+  StringRef outputMapPath;
+  if (outputMap) {
+    auto iter = outputMap->find(outputType);
+    if (iter != outputMap->end())
+      outputMapPath = iter->second;
+  }
+
+  if (!outputMapPath.empty()) {
+    // Prefer a path from the OutputMap.
+    output.setAdditionalOutputForType(outputType, outputMapPath);
+  } else {
+    // Put the auxiliary output file next to the primary output file.
+    llvm::SmallString<128> path;
+    if (output.getPrimaryOutputType() != types::TY_Nothing)
+      path = output.getPrimaryOutputFilename();
+    else if (!output.getBaseInput().empty())
+      path = llvm::sys::path::stem(output.getBaseInput());
+    else
+      path = OI.ModuleName;
+
+    llvm::sys::path::replace_extension(path,
+                                       types::getTypeTempSuffix(outputType));
+    output.setAdditionalOutputForType(outputType, path);
+  }
+}
+
 Job *Driver::buildJobsForAction(const Compilation &C, const Action *A,
                                 const OutputInfo &OI,
                                 const OutputFileMap *OFM,
@@ -973,41 +1002,24 @@ Job *Driver::buildJobsForAction(const Compilation &C, const Action *A,
     }
   }
 
-  // Choose the serialized diagnostics output path.
-  if (C.getArgs().hasArg(options::OPT_serialize_diagnostics) &&
-      isa<CompileJobAction>(JA)) {
-    StringRef OFMSerializeDiagnosticsPath;
-    if (OutputMap) {
-      auto iter = OutputMap->find(types::TY_SerializedDiagnostics);
-      if (iter != OutputMap->end())
-        OFMSerializeDiagnosticsPath = iter->second;
+  if (isa<CompileJobAction>(JA)) {
+    // Choose the serialized diagnostics output path.
+    if (C.getArgs().hasArg(options::OPT_serialize_diagnostics)) {
+      addAuxiliaryOutput(*Output, types::TY_SerializedDiagnostics, OI,
+                         OutputMap);
+
+      // Remove any existing diagnostics files so that clients can detect their
+      // presence to determine if a command was run.
+      StringRef OutputPath =
+        Output->getAnyOutputForType(types::TY_SerializedDiagnostics);
+      if (llvm::sys::fs::is_regular_file(OutputPath))
+        llvm::sys::fs::remove(OutputPath);
     }
 
-    if (!OFMSerializeDiagnosticsPath.empty()) {
-      // Prefer a path from the OutputMap.
-      Output->setAdditionalOutputForType(types::TY_SerializedDiagnostics,
-                                         OFMSerializeDiagnosticsPath);
-    } else {
-      // Put the serialized diagnostics next to the primary output file.
-      llvm::SmallString<128> Path;
-      if (Output->getPrimaryOutputType() != types::TY_Nothing)
-        Path = Output->getPrimaryOutputFilename();
-      else if (!Output->getBaseInput().empty())
-        Path = llvm::sys::path::stem(Output->getBaseInput());
-      else
-        Path = OI.ModuleName;
-
-      llvm::sys::path::replace_extension(Path, "dia");
-      Output->setAdditionalOutputForType(types::TY_SerializedDiagnostics, Path);
+    // Choose the dependencies file output path.
+    if (C.getArgs().hasArg(options::OPT_emit_dependencies)) {
+      addAuxiliaryOutput(*Output, types::TY_Dependencies, OI, OutputMap);
     }
-
-    // Remove any existing diagnostics files so that clients can detect their
-    // presence to determine if a command was run.
-    StringRef OutputPath =
-      Output->getAnyOutputForType(types::TY_SerializedDiagnostics);
-    if (llvm::sys::fs::can_write(OutputPath) &&
-        llvm::sys::fs::is_regular_file(OutputPath))
-      llvm::sys::fs::remove(OutputPath);
   }
 
   // Choose the Objective-C header output path.

lib/Driver/Tools.cpp

@@ -154,7 +154,6 @@ static void addCommonFrontendArgs(const ToolChain &TC,
   const std::string &moduleDocOutputPath =
       output->getAdditionalOutputForType(types::TY_SwiftModuleDocFile);
   if (!moduleDocOutputPath.empty()) {
-    arguments.push_back("-emit-module-doc");
     arguments.push_back("-emit-module-doc-path");
     arguments.push_back(moduleDocOutputPath.c_str());
   }
@@ -296,7 +295,6 @@ Job *Swift::constructJob(const JobAction &JA, std::unique_ptr<JobList> Inputs,
   const std::string &ModuleOutputPath =
     Output->getAdditionalOutputForType(types::ID::TY_SwiftModuleFile);
   if (!ModuleOutputPath.empty()) {
-    Arguments.push_back("-emit-module");
     Arguments.push_back("-emit-module-path");
     Arguments.push_back(ModuleOutputPath.c_str());
   }
@@ -304,11 +302,17 @@ Job *Swift::constructJob(const JobAction &JA, std::unique_ptr<JobList> Inputs,
   const std::string &SerializedDiagnosticsPath =
     Output->getAdditionalOutputForType(types::TY_SerializedDiagnostics);
   if (!SerializedDiagnosticsPath.empty()) {
-    Arguments.push_back("-serialize-diagnostics");
     Arguments.push_back("-serialize-diagnostics-path");
     Arguments.push_back(SerializedDiagnosticsPath.c_str());
   }
 
+  const std::string &DependenciesPath =
+    Output->getAdditionalOutputForType(types::TY_Dependencies);
+  if (!DependenciesPath.empty()) {
+    Arguments.push_back("-emit-dependencies-path");
+    Arguments.push_back(DependenciesPath.c_str());
+  }
+
   // Add the output file argument if necessary.
   if (Output->getPrimaryOutputType() != types::TY_Nothing) {
     Arguments.push_back("-o");
@@ -361,7 +365,6 @@ Job *MergeModule::constructJob(const JobAction &JA,
   const std::string &ObjCHeaderOutputPath =
     Output->getAdditionalOutputForType(types::TY_ObjCHeader);
   if (!ObjCHeaderOutputPath.empty()) {
-    Arguments.push_back("-emit-objc-header");
     Arguments.push_back("-emit-objc-header-path");
     Arguments.push_back(ObjCHeaderOutputPath.c_str());
   }

lib/Frontend/CompilerInvocation.cpp

@@ -413,6 +413,10 @@ static bool ParseFrontendArgs(FrontendOptions &Opts, ArgList &Args,
     output = Path.str();
   };
 
+  determineOutputFilename(Opts.DependenciesFilePath,
+                          OPT_emit_dependencies,
+                          OPT_emit_dependencies_path,
+                          "d", false);
   determineOutputFilename(Opts.SerializedDiagnosticsPath,
                           OPT_serialize_diagnostics,
                           OPT_serialize_diagnostics_path,
@@ -436,6 +440,27 @@ static bool ParseFrontendArgs(FrontendOptions &Opts, ArgList &Args,
                           SERIALIZED_MODULE_DOC_EXTENSION,
                           false);
 
+  if (!Opts.DependenciesFilePath.empty()) {
+    switch (Opts.RequestedAction) {
+    case FrontendOptions::DumpParse:
+    case FrontendOptions::DumpAST:
+    case FrontendOptions::PrintAST:
+    case FrontendOptions::Immediate:
+    case FrontendOptions::REPL:
+      Diags.diagnose(SourceLoc(), diag::error_mode_cannot_emit_dependencies);
+      return true;
+    case FrontendOptions::Parse:
+    case FrontendOptions::EmitModuleOnly:
+    case FrontendOptions::EmitSILGen:
+    case FrontendOptions::EmitSIL:
+    case FrontendOptions::EmitIR:
+    case FrontendOptions::EmitBC:
+    case FrontendOptions::EmitAssembly:
+    case FrontendOptions::EmitObject:
+      break;
+    }
+  }
+
   if (!Opts.ObjCHeaderOutputPath.empty()) {
     switch (Opts.RequestedAction) {
     case FrontendOptions::DumpParse:

test/Driver/advanced_output_file_map.swift

@@ -1,23 +1,26 @@
-// RUN: echo "{\"%s\": {\"object\": \"/build/obj/advanced_output_file_map.o\", \"swiftmodule\": \"/build/swiftmodule/advanced_output_file_map.swiftmodule\", \"swiftdoc\": "/build/swiftmodule/advanced_output_file_map_x.swiftdoc", \"diagnostics\": \"/build/dia/advanced_output_file_map.dia\"}, \"%S/Inputs/main.swift\": {\"object\": \"/build/obj/main.o\", \"swiftmodule\": \"/build/swiftmodule/main.swiftmodule\", \"swiftdoc\": "/build/swiftmodule/main_x.swiftdoc", \"diagnostics\": \"/build/dia/main.dia\"}, \"%S/Inputs/lib.swift\": {\"object\": \"/build/obj/lib.o\", \"swiftmodule\": \"/build/swiftmodule/lib.swiftmodule\", \"swiftdoc\": \"/build/swiftmodule/lib_x.swiftdoc\", \"diagnostics\": \"/build/dia/lib.dia\"}}" > %t.json
+// RUN: echo "{\"%s\": {\"object\": \"/build/obj/advanced_output_file_map.o\", \"swiftmodule\": \"/build/swiftmodule/advanced_output_file_map.swiftmodule\", \"swiftdoc\": "/build/swiftmodule/advanced_output_file_map_x.swiftdoc", \"diagnostics\": \"/build/dia/advanced_output_file_map.dia\", \"dependencies\": \"/build/d/advanced_output_file_map.d\"}, \"%S/Inputs/main.swift\": {\"object\": \"/build/obj/main.o\", \"swiftmodule\": \"/build/swiftmodule/main.swiftmodule\", \"swiftdoc\": "/build/swiftmodule/main_x.swiftdoc", \"diagnostics\": \"/build/dia/main.dia\", \"dependencies\": \"/build/d/main.d\"}, \"%S/Inputs/lib.swift\": {\"object\": \"/build/obj/lib.o\", \"swiftmodule\": \"/build/swiftmodule/lib.swiftmodule\", \"swiftdoc\": \"/build/swiftmodule/lib_x.swiftdoc\", \"diagnostics\": \"/build/dia/lib.dia\", \"dependencies\": \"/build/d/lib.d\"}}" > %t.json
 
 // RUN: %swift_driver -driver-print-output-file-map -target x86_64-apple-darwin13.0.0 -emit-executable -emit-module -serialize-diagnostics %s %S/Inputs/main.swift %S/Inputs/lib.swift -g -o /build/advanced_output_file_map.out -emit-module-path /build/OutputFileMap.swiftmodule -module-name OutputFileMap -output-file-map %t.json 2>&1 | FileCheck %s -check-prefix=DUMPOFM
-// RUN: %swift_driver -driver-print-bindings -target x86_64-apple-darwin13.0.0 -emit-executable -emit-module -serialize-diagnostics %s %S/Inputs/main.swift %S/Inputs/lib.swift -g -o /build/advanced_output_file_map.out -emit-module-path /build/OutputFileMap.swiftmodule -module-name OutputFileMap -output-file-map %t.json 2>&1 | FileCheck %s -check-prefix=BINDINGS
+// RUN: %swift_driver -driver-print-bindings -target x86_64-apple-darwin13.0.0 -emit-executable -emit-module -serialize-diagnostics -emit-dependencies %s %S/Inputs/main.swift %S/Inputs/lib.swift -g -o /build/advanced_output_file_map.out -emit-module-path /build/OutputFileMap.swiftmodule -module-name OutputFileMap -output-file-map %t.json 2>&1 | FileCheck %s -check-prefix=BINDINGS
 
 // DUMPOFM: {{.*}}/Inputs/lib.swift -> object: "/build/obj/lib.o"
+// DUMPOFM-NEXT: {{.*}}/Inputs/lib.swift -> dependencies: "/build/d/lib.d"
 // DUMPOFM-NEXT: {{.*}}/Inputs/lib.swift -> swiftmodule: "/build/swiftmodule/lib.swiftmodule"
 // DUMPOFM-NEXT: {{.*}}/Inputs/lib.swift -> swiftdoc: "/build/swiftmodule/lib_x.swiftdoc"
 // DUMPOFM-NEXT: {{.*}}/Inputs/lib.swift -> diagnostics: "/build/dia/lib.dia"
 // DUMPOFM-NEXT: {{.*}}/Inputs/main.swift -> object: "/build/obj/main.o"
+// DUMPOFM-NEXT: {{.*}}/Inputs/main.swift -> dependencies: "/build/d/main.d"
 // DUMPOFM-NEXT: {{.*}}/Inputs/main.swift -> swiftmodule: "/build/swiftmodule/main.swiftmodule"
 // DUMPOFM-NEXT: {{.*}}/Inputs/main.swift -> swiftdoc: "/build/swiftmodule/main_x.swiftdoc"
 // DUMPOFM-NEXT: {{.*}}/Inputs/main.swift -> diagnostics: "/build/dia/main.dia"
 // DUMPOFM-NEXT: {{.*}}/advanced_output_file_map.swift -> object: "/build/obj/advanced_output_file_map.o"
+// DUMPOFM-NEXT: {{.*}}/advanced_output_file_map.swift -> dependencies: "/build/d/advanced_output_file_map.d"
 // DUMPOFM-NEXT: {{.*}}/advanced_output_file_map.swift -> swiftmodule: "/build/swiftmodule/advanced_output_file_map.swiftmodule"
 // DUMPOFM-NEXT: {{.*}}/advanced_output_file_map.swift -> swiftdoc: "/build/swiftmodule/advanced_output_file_map_x.swiftdoc"
 // DUMPOFM-NEXT: {{.*}}/advanced_output_file_map.swift -> diagnostics: "/build/dia/advanced_output_file_map.dia"
 
-// BINDINGS: # "x86_64-apple-darwin13.0.0" - "swift", inputs: ["{{.*}}/advanced_output_file_map.swift"], output: {object: "/build/obj/advanced_output_file_map.o", swiftmodule: "/build/swiftmodule/advanced_output_file_map.swiftmodule", swiftdoc: "/build/swiftmodule/advanced_output_file_map_x.swiftdoc", diagnostics: "/build/dia/advanced_output_file_map.dia"}
-// BINDINGS: # "x86_64-apple-darwin13.0.0" - "swift", inputs: ["{{.*}}/Inputs/main.swift"], output: {object: "/build/obj/main.o", swiftmodule: "/build/swiftmodule/main.swiftmodule", swiftdoc: "/build/swiftmodule/main_x.swiftdoc", diagnostics: "/build/dia/main.dia"}
-// BINDINGS: # "x86_64-apple-darwin13.0.0" - "swift", inputs: ["{{.*}}/Inputs/lib.swift"], output: {object: "/build/obj/lib.o", swiftmodule: "/build/swiftmodule/lib.swiftmodule", swiftdoc: "/build/swiftmodule/lib_x.swiftdoc", diagnostics: "/build/dia/lib.dia"}
+// BINDINGS: # "x86_64-apple-darwin13.0.0" - "swift", inputs: ["{{.*}}/advanced_output_file_map.swift"], output: {object: "/build/obj/advanced_output_file_map.o", dependencies: "/build/d/advanced_output_file_map.d", swiftmodule: "/build/swiftmodule/advanced_output_file_map.swiftmodule", swiftdoc: "/build/swiftmodule/advanced_output_file_map_x.swiftdoc", diagnostics: "/build/dia/advanced_output_file_map.dia"}
+// BINDINGS: # "x86_64-apple-darwin13.0.0" - "swift", inputs: ["{{.*}}/Inputs/main.swift"], output: {object: "/build/obj/main.o", dependencies: "/build/d/main.d", swiftmodule: "/build/swiftmodule/main.swiftmodule", swiftdoc: "/build/swiftmodule/main_x.swiftdoc", diagnostics: "/build/dia/main.dia"}
+// BINDINGS: # "x86_64-apple-darwin13.0.0" - "swift", inputs: ["{{.*}}/Inputs/lib.swift"], output: {object: "/build/obj/lib.o", dependencies: "/build/d/lib.d", swiftmodule: "/build/swiftmodule/lib.swiftmodule", swiftdoc: "/build/swiftmodule/lib_x.swiftdoc", diagnostics: "/build/dia/lib.dia"}
 // BINDINGS: # "x86_64-apple-darwin13.0.0" - "merge-module", inputs: ["/build/obj/advanced_output_file_map.o", "/build/obj/main.o", "/build/obj/lib.o"], output: {swiftmodule: "/build/OutputFileMap.swiftmodule", swiftdoc: "/build/OutputFileMap.swiftdoc"}
 // BINDINGS: # "x86_64-apple-darwin13.0.0" - "darwin::Linker", inputs: ["/build/obj/advanced_output_file_map.o", "/build/obj/main.o", "/build/obj/lib.o", "/build/OutputFileMap.swiftmodule"], output: {image: "/build/advanced_output_file_map.out"}

test/Driver/merge-module.swift

@@ -25,7 +25,7 @@
 // SIMPLE: bin/swift -frontend
 // SIMPLE: -emit-module
 // SIMPLE: -primary-file
-// SIMPLE: -emit-module-doc -emit-module-doc-path {{[^ ]*}}/merge-module-{{[^ ]*}}.swiftdoc
+// SIMPLE: -emit-module-doc-path {{[^ ]*}}/merge-module-{{[^ ]*}}.swiftdoc
 // SIMPLE: -o {{[^ ]*}}/merge-module-{{[^ ]*}}.swiftmodule
 // SIMPLE: bin/swift -frontend
 // SIMPLE: -emit-module
@@ -34,7 +34,7 @@
 
 // COMPLEX: bin/swift -frontend
 // COMPLEX: -emit-module
-// COMPLEX-DAG: -emit-module-doc -emit-module-doc-path {{[^ ]*}}/merge-module-{{[^ ]*}}.swiftdoc
+// COMPLEX-DAG: -emit-module-doc-path {{[^ ]*}}/merge-module-{{[^ ]*}}.swiftdoc
 // COMPLEX-DAG: -sdk {{.*}}/Inputs/clang-importer-sdk
 // COMPLEX-DAG: -foo -bar
 // COMPLEX-DAG: -F /path/to/frameworks -F /path/to/more/frameworks
@@ -49,20 +49,20 @@
 
 
 // TWO-OUTPUTS: bin/swift -frontend
-// TWO-OUTPUTS: -emit-module-doc -emit-module-doc-path {{[^ ]*}}/merge-module-{{[^ ]*}}.swiftdoc
-// TWO-OUTPUTS: -emit-module -emit-module-path [[MODULE:[^ ]+]]
+// TWO-OUTPUTS: -emit-module-doc-path {{[^ ]*}}/merge-module-{{[^ ]*}}.swiftdoc
+// TWO-OUTPUTS: -emit-module-path [[MODULE:[^ ]+]]
 // TWO-OUTPUTS: -o {{[^ ]*}}/merge-module-{{[^ ]*}}.o
 // TWO-OUTPUTS: bin/swift -frontend
 // TWO-OUTPUTS: -emit-module [[MODULE]]
 // TWO-OUTPUTS: -o main.swiftmodule
 
 // THREE-OUTPUTS: bin/swift -frontend
-// THREE-OUTPUTS: -emit-module-doc -emit-module-doc-path {{[^ ]*}}/merge-module-{{[^ ]*}}.swiftdoc
-// THREE-OUTPUTS: -emit-module -emit-module-path [[MODULE:[^ ]+]]
+// THREE-OUTPUTS: -emit-module-doc-path {{[^ ]*}}/merge-module-{{[^ ]*}}.swiftdoc
+// THREE-OUTPUTS: -emit-module-path [[MODULE:[^ ]+]]
 // THREE-OUTPUTS: -o {{[^ ]*}}/merge-module-{{[^ ]*}}.o
 // THREE-OUTPUTS: bin/swift -frontend
 // THREE-OUTPUTS: -emit-module [[MODULE]]
-// THREE-OUTPUTS: -emit-objc-header -emit-objc-header-path sdk.foo.h
+// THREE-OUTPUTS: -emit-objc-header-path sdk.foo.h
 // THREE-OUTPUTS: -o sdk.foo.out
 
 // RUN: %swift_driver -driver-print-jobs -emit-module %S/Inputs/main.swift %S/Inputs/lib.swift -module-name merge -o /tmp/modules > %t.complex.txt
@@ -71,15 +71,15 @@
 
 // MERGE_1: bin/swift -frontend -emit-module -primary-file {{[^ ]+}}/Inputs/main.swift {{[^ ]+}}/Inputs/lib.swift
 // MERGE_1: -module-name merge
-// MERGE_1: -emit-module-doc -emit-module-doc-path [[PARTIAL_MODULE_A:[^ ]+]].swiftdoc
+// MERGE_1: -emit-module-doc-path [[PARTIAL_MODULE_A:[^ ]+]].swiftdoc
 // MERGE_1: -o [[PARTIAL_MODULE_A]].swiftmodule
 // MERGE_1: bin/swift -frontend -emit-module {{[^ ]+}}/Inputs/main.swift -primary-file {{[^ ]+}}/Inputs/lib.swift
 // MERGE_1: -module-name merge
-// MERGE_1: -emit-module-doc -emit-module-doc-path [[PARTIAL_MODULE_B:[^ ]+]].swiftdoc
+// MERGE_1: -emit-module-doc-path [[PARTIAL_MODULE_B:[^ ]+]].swiftdoc
 // MERGE_1: -o [[PARTIAL_MODULE_B]].swiftmodule
 // MERGE_1: bin/swift -frontend -emit-module [[PARTIAL_MODULE_A]].swiftmodule [[PARTIAL_MODULE_B]].swiftmodule
 // MERGE_1: -parse-as-library
 // MERGE_1: -module-name merge
-// MERGE_1: -emit-module-doc -emit-module-doc-path /tmp/modules.swiftdoc
+// MERGE_1: -emit-module-doc-path /tmp/modules.swiftdoc
 // MERGE_1: -o /tmp/modules
 

test/Driver/options-interpreter.swift

@@ -1,4 +1,4 @@
 // RUN: not %swift -i -emit-module %s 2>&1 | FileCheck -check-prefix=IMMEDIATE_NO_MODULE %s
-// RUN: not %swift -emit-module -parse %s 2>&1 | FileCheck -check-prefix=IMMEDIATE_NO_MODULE %s
+// RUN: not %swift -integrated-repl -emit-module 2>&1 | FileCheck -check-prefix=IMMEDIATE_NO_MODULE %s
 // REQUIRES: swift_interpreter
 // IMMEDIATE_NO_MODULE: this mode does not support emitting modules

test/Driver/options.swift

@@ -20,6 +20,12 @@
 // RUN: %swift_driver -emit-silgen -parse-as-library %s -module-name "Swift" -parse-stdlib -###
 // STDLIB_MODULE: error: module name "Swift" is reserved for the standard library{{$}}
 
+// RUN: not %swift -parse -emit-module %s 2>&1 | FileCheck -check-prefix=PARSE_NO_MODULE %s
+// PARSE_NO_MODULE: error: this mode does not support emitting modules{{$}}
+
+// RUN: not %swift -dump-ast -emit-dependencies %s 2>&1 | FileCheck -check-prefix=DUMP_NO_DEPS %s
+// DUMP_NO_DEPS: error: this mode does not support emitting dependency files{{$}}
+
 // Should not fail with non-zero exit code.
 // RUN: %swift -emit-silgen %S/Inputs/invalid-module-name.swift > /dev/null
 // RUN: %swift -emit-silgen -parse-as-library %S/Inputs/invalid-module-name.swift -module-name foo > /dev/null