Replace several (test-)tool binaries with symlinks to swift-frontend

include/swift/Driver/Driver.h

@@ -166,6 +166,13 @@ class Driver {
   enum class DriverKind {
     Interactive,     // swift
     Batch,           // swiftc
+    SILOpt,          // sil-opt
+    SILFuncExtractor,// sil-func-extractor
+    SILNM,           // sil-nm
+    SILLLVMGen,      // sil-llvm-gen
+    SILPassPipelineDumper, // sil-passpipeline-dumper
+    SwiftDependencyTool,   // swift-dependency-tool
+    SwiftLLVMOpt,    // swift-llvm-opt
     AutolinkExtract, // swift-autolink-extract
     SwiftIndent,     // swift-indent
     SymbolGraph,     // swift-symbolgraph

lib/Driver/Driver.cpp

@@ -99,6 +99,13 @@ void Driver::parseDriverKind(ArrayRef<const char *> Args) {
       llvm::StringSwitch<Optional<DriverKind>>(DriverName)
           .Case("swift", DriverKind::Interactive)
           .Case("swiftc", DriverKind::Batch)
+          .Case("sil-opt", DriverKind::SILOpt)
+          .Case("sil-func-extractor", DriverKind::SILFuncExtractor)
+          .Case("sil-nm", DriverKind::SILNM)
+          .Case("sil-llvm-gen", DriverKind::SILLLVMGen)
+          .Case("sil-passpipeline-dumper", DriverKind::SILPassPipelineDumper)
+          .Case("swift-dependency-tool", DriverKind::SwiftDependencyTool)
+          .Case("swift-llvm-opt", DriverKind::SwiftLLVMOpt)
           .Case("swift-autolink-extract", DriverKind::AutolinkExtract)
           .Case("swift-indent", DriverKind::SwiftIndent)
           .Case("swift-symbolgraph-extract", DriverKind::SymbolGraph)
@@ -3555,6 +3562,13 @@ void Driver::printHelp(bool ShowHidden) const {
     ExcludedFlagsBitmask |= options::NoInteractiveOption;
     break;
   case DriverKind::Batch:
+  case DriverKind::SILOpt:
+  case DriverKind::SILFuncExtractor:
+  case DriverKind::SILNM:
+  case DriverKind::SILLLVMGen:
+  case DriverKind::SILPassPipelineDumper:
+  case DriverKind::SwiftDependencyTool:
+  case DriverKind::SwiftLLVMOpt:
   case DriverKind::AutolinkExtract:
   case DriverKind::SwiftIndent:
   case DriverKind::SymbolGraph:

lib/DriverTool/CMakeLists.txt

@@ -1,5 +1,12 @@
 set(driver_sources_and_options
                 driver.cpp
+                sil_opt_main.cpp
+                sil_func_extractor_main.cpp
+                sil_nm_main.cpp
+                sil_llvm_gen_main.cpp
+                sil_passpipeline_dumper_main.cpp
+                swift_dependency_tool_main.cpp
+                swift_llvm_opt_main.cpp
                 autolink_extract_main.cpp
                 modulewrap_main.cpp
                 swift_api_digester_main.cpp

lib/DriverTool/driver.cpp

@@ -63,6 +63,27 @@ std::string getExecutablePath(const char *FirstArg) {
   return llvm::sys::fs::getMainExecutable(FirstArg, P);
 }
 
+/// Run 'sil-opt'
+extern int sil_opt_main(ArrayRef<const char *> argv, void *MainAddr);
+
+/// Run 'sil-func-extractor'
+extern int sil_func_extractor_main(ArrayRef<const char *> argv, void *MainAddr);
+
+/// Run 'sil-nm'
+extern int sil_nm_main(ArrayRef<const char *> argv, void *MainAddr);
+
+/// Run 'sil-llvm-gen'
+extern int sil_llvm_gen_main(ArrayRef<const char *> argv, void *MainAddr);
+
+/// Run 'sil-passpipeline-dumper'
+extern int sil_passpipeline_dumper_main(ArrayRef<const char *> argv, void *MainAddr);
+
+/// Run 'swift-dependency-tool'
+extern int swift_dependency_tool_main(ArrayRef<const char *> argv, void *MainAddr);
+
+/// Run 'swift-llvm-opt'
+extern int swift_llvm_opt_main(ArrayRef<const char *> argv, void *MainAddr);
+
 /// Run 'swift-autolink-extract'.
 extern int autolink_extract_main(ArrayRef<const char *> Args, const char *Argv0,
                                  void *MainAddr);
@@ -281,6 +302,20 @@ static int run_driver(StringRef ExecName,
 
   Driver TheDriver(Path, ExecName, argv, Diags);
   switch (TheDriver.getDriverKind()) {
+  case Driver::DriverKind::SILOpt:
+    return sil_opt_main(argv, (void *)(intptr_t)getExecutablePath);
+  case Driver::DriverKind::SILFuncExtractor:
+    return sil_func_extractor_main(argv, (void *)(intptr_t)getExecutablePath);
+  case Driver::DriverKind::SILNM:
+    return sil_nm_main(argv, (void *)(intptr_t)getExecutablePath);
+  case Driver::DriverKind::SILLLVMGen:
+    return sil_llvm_gen_main(argv, (void *)(intptr_t)getExecutablePath);
+  case Driver::DriverKind::SILPassPipelineDumper:
+    return sil_passpipeline_dumper_main(argv, (void *)(intptr_t)getExecutablePath);
+  case Driver::DriverKind::SwiftDependencyTool:
+    return swift_dependency_tool_main(argv, (void *)(intptr_t)getExecutablePath);
+  case Driver::DriverKind::SwiftLLVMOpt:
+    return swift_llvm_opt_main(argv, (void *)(intptr_t)getExecutablePath);
   case Driver::DriverKind::AutolinkExtract:
     return autolink_extract_main(
       TheDriver.getArgsWithoutProgramNameAndDriverMode(argv),