diff --git a/clang-tools-extra/clangd/CMakeLists.txt b/clang-tools-extra/clangd/CMakeLists.txt
--- a/clang-tools-extra/clangd/CMakeLists.txt
+++ b/clang-tools-extra/clangd/CMakeLists.txt
@@ -21,6 +21,7 @@
 
 set(LLVM_LINK_COMPONENTS
   Support
+  AllTargetsInfos
   )
 
 if(CLANG_BUILT_STANDALONE)
diff --git a/clang-tools-extra/clangd/GlobalCompilationDatabase.cpp b/clang-tools-extra/clangd/GlobalCompilationDatabase.cpp
--- a/clang-tools-extra/clangd/GlobalCompilationDatabase.cpp
+++ b/clang-tools-extra/clangd/GlobalCompilationDatabase.cpp
@@ -11,6 +11,7 @@
 #include "clang/Frontend/CompilerInvocation.h"
 #include "clang/Tooling/ArgumentsAdjusters.h"
 #include "clang/Tooling/CompilationDatabase.h"
+#include "clang/Tooling/Tooling.h"
 #include "llvm/ADT/Optional.h"
 #include "llvm/Support/FileSystem.h"
 #include "llvm/Support/Path.h"
diff --git a/clang-tools-extra/clangd/test/target_info.test b/clang-tools-extra/clangd/test/target_info.test
new file mode 100644
--- /dev/null
+++ b/clang-tools-extra/clangd/test/target_info.test
@@ -0,0 +1,34 @@
+# Mock 'compile_commands.json' to contain a driver name targeting fuchsia OS.
+# Afterwards check that correct target is passed into clang.
+
+# RUN: rm -rf %t.dir && mkdir -p %t.dir
+
+# RUN: echo '[{"directory": "%/t.dir", "command": "%/t.dir/x86_64-fuchsia-clang -x c++ the-file.cpp -v", "file": "the-file.cpp"}]' > %t.dir/compile_commands.json
+
+# RUN: sed -e "s|INPUT_DIR|%/t.dir|g" %s > %t.test.1
+# On Windows, we need the URI in didOpen to look like "uri":"file:///C:/..."
+# (with the extra slash in the front), so we add it here.
+# RUN: sed -e "s|file://\([A-Z]\):/|file:///\1:/|g" %t.test.1 > %t.test
+
+# RUN: clangd -lit-test < %t.test 2>&1 | FileCheck -strict-whitespace %t.test
+{"jsonrpc":"2.0","id":0,"method":"initialize","params":{}}
+---
+{
+  "jsonrpc":"2.0",
+  "method":"textDocument/didOpen",
+  "params": {
+    "textDocument": {
+      "uri": "file://INPUT_DIR/the-file.cpp",
+      "languageId":"cpp",
+      "version":1,
+      "text":""
+    }
+  }
+}
+# Make sure we have target passed into cc1 driver, which is printed due to -v in
+# the compile_commands.json
+# CHECK: Target: x86_64-unknown-fuchsia
+---
+{"jsonrpc":"2.0","id":10000,"method":"shutdown"}
+---
+{"jsonrpc":"2.0","method":"exit"}
diff --git a/clang-tools-extra/clangd/tool/ClangdMain.cpp b/clang-tools-extra/clangd/tool/ClangdMain.cpp
--- a/clang-tools-extra/clangd/tool/ClangdMain.cpp
+++ b/clang-tools-extra/clangd/tool/ClangdMain.cpp
@@ -24,6 +24,7 @@
 #include "llvm/Support/Path.h"
 #include "llvm/Support/Program.h"
 #include "llvm/Support/Signals.h"
+#include "llvm/Support/TargetSelect.h"
 #include "llvm/Support/raw_ostream.h"
 #include <cstdlib>
 #include <iostream>
@@ -324,6 +325,7 @@
   using namespace clang;
   using namespace clang::clangd;
 
+  llvm::InitializeAllTargetInfos();
   llvm::sys::PrintStackTraceOnErrorSignal(argv[0]);
   llvm::cl::SetVersionPrinter([](llvm::raw_ostream &OS) {
     OS << clang::getClangToolFullVersion("clangd") << "\n";
diff --git a/clang/lib/Driver/Driver.cpp b/clang/lib/Driver/Driver.cpp
--- a/clang/lib/Driver/Driver.cpp
+++ b/clang/lib/Driver/Driver.cpp
@@ -1046,8 +1046,14 @@
     T.setObjectFormat(llvm::Triple::COFF);
     TargetTriple = T.str();
   }
+
   if (const Arg *A = Args.getLastArg(options::OPT_target))
     TargetTriple = A->getValue();
+  // Deduce target triplet from clang executable name, if not specified
+  // explicitly.
+  else if (ClangNameParts.TargetIsValid)
+    TargetTriple = ClangNameParts.TargetPrefix;
+
   if (const Arg *A = Args.getLastArg(options::OPT_ccc_install_dir))
     Dir = InstalledDir = A->getValue();
   for (const Arg *A : Args.filtered(options::OPT_B)) {