Merge pull request #69404 from tshortli/fix-unused-variable-warnings

NFC: Fix unused variable warnings

Author: tshortli

lib/ClangImporter/ClangImporter.cpp

@@ -4992,7 +4992,6 @@ synthesizeBaseClassMethodBody(AbstractFunctionDecl *afd, void *context) {
   auto baseMember = static_cast<FuncDecl *>(context);
   auto baseStruct =
       cast<NominalTypeDecl>(baseMember->getDeclContext()->getAsDecl());
-  auto baseType = baseStruct->getDeclaredType();
 
   auto forwardedFunc = synthesizeBaseFunctionDeclCall(
       *static_cast<ClangImporter *>(ctx.getClangModuleLoader()), ctx,

lib/DriverTool/swift_llvm_opt_main.cpp

@@ -232,7 +232,6 @@ int swift_llvm_opt_main(ArrayRef<const char *> argv, void *MainAddr) {
 
     PrintPassOpts.Verbose = false;
     PrintPassOpts.SkipAnalyses = false;
-    auto &Mod = *M;
     llvm::StandardInstrumentations SI(M->getContext(), false, false, PrintPassOpts);
     SI.registerCallbacks(PIC, &MAM);
 

lib/IRGen/IRGenDebugInfo.cpp

@@ -2991,10 +2991,10 @@ void IRGenDebugInfoImpl::emitDbgIntrinsic(
     // Ok, we now have our insert pt. Call the appropriate operations.
     assert(InsertPt);
     if (auto *InsertBefore = InsertPt.dyn_cast<llvm::Instruction *>()) {
-      auto *Inst = inserter.insert(Storage, Var, Expr, DL, InsertBefore);
+      inserter.insert(Storage, Var, Expr, DL, InsertBefore);
     } else {
-      auto *Inst = inserter.insert(Storage, Var, Expr, DL,
-                                   InsertPt.get<llvm::BasicBlock *>());
+      inserter.insert(Storage, Var, Expr, DL,
+                      InsertPt.get<llvm::BasicBlock *>());
     }
     return;
   }

lib/PrintAsClang/PrintAsClang.cpp

@@ -315,7 +315,7 @@ static void collectClangModuleHeaderIncludes(
   } else if (llvm::Optional<clang::Module::DirectoryName> umbrellaDir = clangModule->getUmbrellaDirAsWritten()) {
     SmallString<128> nativeUmbrellaDirPath;
     std::error_code errorCode;
-    llvm::sys::path::native(umbrellaDir->Entry.getDirEntry().getName(),
+    llvm::sys::path::native(umbrellaDir->Entry.getName(),
                             nativeUmbrellaDirPath);
     llvm::vfs::FileSystem &fileSystem = fileManager.getVirtualFileSystem();
     for (llvm::vfs::recursive_directory_iterator

lib/Sema/TypeCheckEffects.cpp

@@ -2818,7 +2818,6 @@ class CheckEffectsCoverage : public EffectsHandlingWalker<CheckEffectsCoverage>
       // HACK: functions can get queued multiple times in
       // definedFunctions, so be sure to be idempotent.
       if (!E->isThrowsSet()) {
-        auto throwsKind = classification.getConditionalKind(EffectKind::Throws);
         E->setThrows(throwDest);
       }