diff --git a/clang/lib/Driver/CMakeLists.txt b/clang/lib/Driver/CMakeLists.txt
index 4fd10bf671512..59c219e1f709b 100644
--- a/clang/lib/Driver/CMakeLists.txt
+++ b/clang/lib/Driver/CMakeLists.txt
@@ -74,7 +74,6 @@ add_clang_library(clangDriver
   ToolChains/OHOS.cpp
   ToolChains/OpenBSD.cpp
   ToolChains/PS4CPU.cpp
-  ToolChains/RISCVToolchain.cpp
   ToolChains/Solaris.cpp
   ToolChains/SPIRV.cpp
   ToolChains/TCE.cpp
diff --git a/clang/lib/Driver/Driver.cpp b/clang/lib/Driver/Driver.cpp
index fb73b62cf2dae..e16b0af1790cc 100644
--- a/clang/lib/Driver/Driver.cpp
+++ b/clang/lib/Driver/Driver.cpp
@@ -41,7 +41,6 @@
 #include "ToolChains/PPCFreeBSD.h"
 #include "ToolChains/PPCLinux.h"
 #include "ToolChains/PS4CPU.h"
-#include "ToolChains/RISCVToolchain.h"
 #include "ToolChains/SPIRV.h"
 #include "ToolChains/Solaris.h"
 #include "ToolChains/TCE.h"
@@ -6557,11 +6556,7 @@ const ToolChain &Driver::getToolChain(const ArgList &Args,
         break;
       case llvm::Triple::riscv32:
       case llvm::Triple::riscv64:
-        if (toolchains::RISCVToolChain::hasGCCToolchain(*this, Args))
-          TC =
-              std::make_unique<toolchains::RISCVToolChain>(*this, Target, Args);
-        else
-          TC = std::make_unique<toolchains::BareMetal>(*this, Target, Args);
+        TC = std::make_unique<toolchains::BareMetal>(*this, Target, Args);
         break;
       case llvm::Triple::ve:
         TC = std::make_unique<toolchains::VEToolChain>(*this, Target, Args);
diff --git a/clang/lib/Driver/ToolChains/BareMetal.cpp b/clang/lib/Driver/ToolChains/BareMetal.cpp
index eecaaa9a42930..a2fecb297cd05 100644
--- a/clang/lib/Driver/ToolChains/BareMetal.cpp
+++ b/clang/lib/Driver/ToolChains/BareMetal.cpp
@@ -97,7 +97,8 @@ static bool findRISCVMultilibs(const Driver &D,
   return false;
 }
 
-static std::string computeBaseSysRoot(const Driver &D, bool IncludeTriple) {
+static std::string computeInstalledToolchainSysRoot(const Driver &D,
+                                                    bool IncludeTriple) {
   if (!D.SysRoot.empty())
     return D.SysRoot;
 
@@ -110,20 +111,95 @@ static std::string computeBaseSysRoot(const Driver &D, bool IncludeTriple) {
   return std::string(SysRootDir);
 }
 
+// GCC sysroot here means form sysroot from either --gcc-install-dir, or from
+// --gcc-toolchain or if the toolchain is installed alongside clang in
+// bin/../<TargetTriple> directory if it is not explicitly specified on the
+// command line through `--sysroot` option. libc here will be newlib.
+std::string BareMetal::computeGCCSysRoot() const {
+  if (!getDriver().SysRoot.empty())
+    return getDriver().SysRoot;
+
+  SmallString<128> SysRootDir;
+  if (GCCInstallation.isValid()) {
+    StringRef LibDir = GCCInstallation.getParentLibPath();
+    StringRef TripleStr = GCCInstallation.getTriple().str();
+    llvm::sys::path::append(SysRootDir, LibDir, "..", TripleStr);
+  } else {
+    // Use the triple as provided to the driver. Unlike the parsed triple
+    // this has not been normalized to always contain every field.
+    llvm::sys::path::append(SysRootDir, getDriver().Dir, "..",
+                            getDriver().getTargetTriple());
+  }
+
+  if (!llvm::sys::fs::exists(SysRootDir))
+    return std::string();
+
+  return std::string(SysRootDir);
+}
+
+std::string BareMetal::computeSysRoot() const {
+  if (!SysRoot.empty())
+    return SysRoot;
+
+  std::string SysRoot = getDriver().SysRoot;
+  if (!SysRoot.empty() && llvm::sys::fs::exists(SysRoot))
+    return SysRoot;
+
+  // Verify the GCC installation from -gcc-install-dir, --gcc-toolchain, or
+  // alongside clang. If valid, form the sysroot. Otherwise, check
+  // lib/clang-runtimes above the driver.
+  SysRoot = computeGCCSysRoot();
+  if (!SysRoot.empty())
+    return SysRoot;
+
+  SysRoot =
+      computeInstalledToolchainSysRoot(getDriver(), /*IncludeTriple*/ true);
+
+  return SysRoot;
+}
+
+static void addMultilibsFilePaths(const Driver &D, const MultilibSet &Multilibs,
+                                  const Multilib &Multilib,
+                                  StringRef InstallPath,
+                                  ToolChain::path_list &Paths) {
+  if (const auto &PathsCallback = Multilibs.filePathsCallback())
+    for (const auto &Path : PathsCallback(Multilib))
+      addPathIfExists(D, InstallPath + Path, Paths);
+}
+
 BareMetal::BareMetal(const Driver &D, const llvm::Triple &Triple,
                      const ArgList &Args)
-    : ToolChain(D, Triple, Args),
-      SysRoot(computeBaseSysRoot(D, /*IncludeTriple=*/true)) {
-  getProgramPaths().push_back(getDriver().Dir);
-
-  findMultilibs(D, Triple, Args);
-  SmallString<128> SysRoot(computeSysRoot());
-  if (!SysRoot.empty()) {
-    for (const Multilib &M : getOrderedMultilibs()) {
-      SmallString<128> Dir(SysRoot);
-      llvm::sys::path::append(Dir, M.osSuffix(), "lib");
-      getFilePaths().push_back(std::string(Dir));
-      getLibraryPaths().push_back(std::string(Dir));
+    : Generic_ELF(D, Triple, Args) {
+  GCCInstallation.init(Triple, Args);
+  SysRoot = computeSysRoot();
+  UseLD =
+      Args.getLastArgValue(options::OPT_fuse_ld_EQ).equals_insensitive("ld");
+  if (GCCInstallation.isValid()) {
+    Multilibs = GCCInstallation.getMultilibs();
+    SelectedMultilibs.assign({GCCInstallation.getMultilib()});
+    path_list &Paths = getFilePaths();
+    // Add toolchain/multilib specific file paths.
+    addMultilibsFilePaths(D, Multilibs, SelectedMultilibs.back(),
+                          GCCInstallation.getInstallPath(), Paths);
+    getFilePaths().push_back(GCCInstallation.getInstallPath().str());
+    ToolChain::path_list &PPaths = getProgramPaths();
+    // Multilib cross-compiler GCC installations put ld in a triple-prefixed
+    // directory off of the parent of the GCC installation.
+    PPaths.push_back(Twine(GCCInstallation.getParentLibPath() + "/../" +
+                           GCCInstallation.getTriple().str() + "/bin")
+                         .str());
+    PPaths.push_back((GCCInstallation.getParentLibPath() + "/../bin").str());
+    getFilePaths().push_back(computeSysRoot() + "/lib");
+  } else {
+    getProgramPaths().push_back(getDriver().Dir);
+    findMultilibs(D, Triple, Args);
+    if (!SysRoot.empty()) {
+      for (const Multilib &M : getOrderedMultilibs()) {
+        SmallString<128> Dir(SysRoot);
+        llvm::sys::path::append(Dir, M.osSuffix(), "lib");
+        getFilePaths().push_back(std::string(Dir));
+        getLibraryPaths().push_back(std::string(Dir));
+      }
     }
   }
 }
@@ -215,7 +291,7 @@ getMultilibConfigPath(const Driver &D, const llvm::Triple &Triple,
       return {};
     }
   } else {
-    MultilibPath = computeBaseSysRoot(D, /*IncludeTriple=*/false);
+    MultilibPath = computeInstalledToolchainSysRoot(D, /*IncludeTriple=*/false);
     llvm::sys::path::append(MultilibPath, MultilibFilename);
   }
   return MultilibPath;
@@ -233,7 +309,7 @@ void BareMetal::findMultilibs(const Driver &D, const llvm::Triple &Triple,
   if (D.getVFS().exists(*MultilibPath)) {
     // If multilib.yaml is found, update sysroot so it doesn't use a target
     // specific suffix
-    SysRoot = computeBaseSysRoot(D, /*IncludeTriple=*/false);
+    SysRoot = computeInstalledToolchainSysRoot(D, /*IncludeTriple=*/false);
     findMultilibsFromYAML(*this, D, *MultilibPath, Args, Result);
     SelectedMultilibs = Result.SelectedMultilibs;
     Multilibs = Result.Multilibs;
@@ -258,8 +334,6 @@ Tool *BareMetal::buildStaticLibTool() const {
   return new tools::baremetal::StaticLibTool(*this);
 }
 
-std::string BareMetal::computeSysRoot() const { return SysRoot; }
-
 BareMetal::OrderedMultilibs BareMetal::getOrderedMultilibs() const {
   // Get multilibs in reverse order because they're ordered most-specific last.
   if (!SelectedMultilibs.empty())
@@ -270,6 +344,32 @@ BareMetal::OrderedMultilibs BareMetal::getOrderedMultilibs() const {
   return llvm::reverse(Default);
 }
 
+ToolChain::CXXStdlibType BareMetal::GetDefaultCXXStdlibType() const {
+  if (getTriple().isRISCV() && GCCInstallation.isValid())
+    return ToolChain::CST_Libstdcxx;
+  return ToolChain::CST_Libcxx;
+}
+
+ToolChain::RuntimeLibType BareMetal::GetDefaultRuntimeLibType() const {
+  if (getTriple().isRISCV() && GCCInstallation.isValid())
+    return ToolChain::RLT_Libgcc;
+  return ToolChain::RLT_CompilerRT;
+}
+
+ToolChain::UnwindLibType
+BareMetal::GetUnwindLibType(const llvm::opt::ArgList &Args) const {
+  if (getTriple().isRISCV())
+    return ToolChain::UNW_None;
+
+  return ToolChain::GetUnwindLibType(Args);
+}
+
+const char *BareMetal::getDefaultLinker() const {
+  if (isUsingLD())
+    return "ld";
+  return "ld.lld";
+}
+
 void BareMetal::AddClangSystemIncludeArgs(const ArgList &DriverArgs,
                                           ArgStringList &CC1Args) const {
   if (DriverArgs.hasArg(options::OPT_nostdinc))
@@ -304,6 +404,19 @@ void BareMetal::addClangTargetOptions(const ArgList &DriverArgs,
   CC1Args.push_back("-nostdsysteminc");
 }
 
+void BareMetal::addLibStdCxxIncludePaths(
+    const llvm::opt::ArgList &DriverArgs,
+    llvm::opt::ArgStringList &CC1Args) const {
+  if (!GCCInstallation.isValid())
+    return;
+  const GCCVersion &Version = GCCInstallation.getVersion();
+  StringRef TripleStr = GCCInstallation.getTriple().str();
+  const Multilib &Multilib = GCCInstallation.getMultilib();
+  addLibStdCXXIncludePaths(computeSysRoot() + "/include/c++/" + Version.Text,
+                           TripleStr, Multilib.includeSuffix(), DriverArgs,
+                           CC1Args);
+}
+
 void BareMetal::AddClangCXXStdlibIncludeArgs(const ArgList &DriverArgs,
                                              ArgStringList &CC1Args) const {
   if (DriverArgs.hasArg(options::OPT_nostdinc, options::OPT_nostdlibinc,
@@ -334,15 +447,15 @@ void BareMetal::AddClangCXXStdlibIncludeArgs(const ArgList &DriverArgs,
   };
 
   switch (GetCXXStdlibType(DriverArgs)) {
-    case ToolChain::CST_Libcxx: {
-      SmallString<128> P(D.Dir);
-      llvm::sys::path::append(P, "..", "include");
-      AddCXXIncludePath(P);
-      break;
-    }
-    case ToolChain::CST_Libstdcxx:
-      // We only support libc++ toolchain installation.
-      break;
+  case ToolChain::CST_Libcxx: {
+    SmallString<128> P(D.Dir);
+    llvm::sys::path::append(P, "..", "include");
+    AddCXXIncludePath(P);
+    break;
+  }
+  case ToolChain::CST_Libstdcxx:
+    addLibStdCxxIncludePaths(DriverArgs, CC1Args);
+    break;
   }
 
   std::string SysRoot(computeSysRoot());
@@ -450,12 +563,21 @@ void baremetal::Linker::ConstructJob(Compilation &C, const JobAction &JA,
   const llvm::Triple::ArchType Arch = TC.getArch();
   const llvm::Triple &Triple = getToolChain().getEffectiveTriple();
 
-  AddLinkerInputs(TC, Inputs, Args, CmdArgs, JA);
+  if (!D.SysRoot.empty())
+    CmdArgs.push_back(Args.MakeArgString("--sysroot=" + D.SysRoot));
 
   CmdArgs.push_back("-Bstatic");
 
-  if (TC.getTriple().isRISCV() && Args.hasArg(options::OPT_mno_relax))
-    CmdArgs.push_back("--no-relax");
+  if (Triple.isRISCV()) {
+    if (Args.hasArg(options::OPT_mno_relax))
+      CmdArgs.push_back("--no-relax");
+    if (TC.isUsingLD()) {
+      CmdArgs.push_back("-m");
+      CmdArgs.push_back(Arch == llvm::Triple::riscv64 ? "elf64lriscv"
+                                                      : "elf32lriscv");
+    }
+    CmdArgs.push_back("-X");
+  }
 
   if (Triple.isARM() || Triple.isThumb()) {
     bool IsBigEndian = arm::isARMBigEndian(Triple, Args);
@@ -466,19 +588,54 @@ void baremetal::Linker::ConstructJob(Compilation &C, const JobAction &JA,
     CmdArgs.push_back(Arch == llvm::Triple::aarch64_be ? "-EB" : "-EL");
   }
 
-  if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nostartfiles,
-                   options::OPT_r)) {
-    CmdArgs.push_back(Args.MakeArgString(TC.GetFilePath("crt0.o")));
+  bool WantCRTs =
+      !Args.hasArg(options::OPT_nostdlib, options::OPT_nostartfiles);
+
+  const char *crtbegin, *crtend;
+  if (WantCRTs) {
+    if (!Args.hasArg(options::OPT_r))
+      CmdArgs.push_back(Args.MakeArgString(TC.GetFilePath("crt0.o")));
+    if (TC.isUsingLD()) {
+      auto RuntimeLib = TC.GetRuntimeLibType(Args);
+      if (RuntimeLib == ToolChain::RLT_Libgcc) {
+        crtbegin = "crtbegin.o";
+        crtend = "crtend.o";
+      } else {
+        assert(RuntimeLib == ToolChain::RLT_CompilerRT);
+        crtbegin =
+            TC.getCompilerRTArgString(Args, "crtbegin", ToolChain::FT_Object);
+        crtend =
+            TC.getCompilerRTArgString(Args, "crtend", ToolChain::FT_Object);
+      }
+      CmdArgs.push_back(Args.MakeArgString(TC.GetFilePath(crtbegin)));
+    }
   }
 
-  Args.addAllArgs(CmdArgs, {options::OPT_L, options::OPT_T_Group,
-                            options::OPT_s, options::OPT_t, options::OPT_r});
+  Args.addAllArgs(CmdArgs,
+                  {options::OPT_L, options::OPT_u, options::OPT_T_Group,
+                   options::OPT_s, options::OPT_t, options::OPT_r});
 
   TC.AddFilePathLibArgs(Args, CmdArgs);
 
   for (const auto &LibPath : TC.getLibraryPaths())
     CmdArgs.push_back(Args.MakeArgString(llvm::Twine("-L", LibPath)));
 
+  if (D.isUsingLTO()) {
+    assert(!Inputs.empty() && "Must have at least one input.");
+    // Find the first filename InputInfo object.
+    auto Input = llvm::find_if(
+        Inputs, [](const InputInfo &II) -> bool { return II.isFilename(); });
+    if (Input == Inputs.end())
+      // For a very rare case, all of the inputs to the linker are
+      // InputArg. If that happens, just use the first InputInfo.
+      Input = Inputs.begin();
+
+    addLTOOptions(TC, Args, CmdArgs, Output, *Input,
+                  D.getLTOMode() == LTOK_Thin);
+  }
+
+  AddLinkerInputs(TC, Inputs, Args, CmdArgs, JA);
+
   if (TC.ShouldLinkCXXStdlib(Args)) {
     bool OnlyLibstdcxxStatic = Args.hasArg(options::OPT_static_libstdcxx) &&
                                !Args.hasArg(options::OPT_static);
@@ -491,26 +648,16 @@ void baremetal::Linker::ConstructJob(Compilation &C, const JobAction &JA,
   }
 
   if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nodefaultlibs)) {
+    CmdArgs.push_back("--start-group");
     AddRunTimeLibs(TC, D, CmdArgs, Args);
-
     CmdArgs.push_back("-lc");
+    if (TC.isUsingLD())
+      CmdArgs.push_back("-lgloss");
+    CmdArgs.push_back("--end-group");
   }
 
-  if (D.isUsingLTO()) {
-    assert(!Inputs.empty() && "Must have at least one input.");
-    // Find the first filename InputInfo object.
-    auto Input = llvm::find_if(
-        Inputs, [](const InputInfo &II) -> bool { return II.isFilename(); });
-    if (Input == Inputs.end())
-      // For a very rare case, all of the inputs to the linker are
-      // InputArg. If that happens, just use the first InputInfo.
-      Input = Inputs.begin();
-
-    addLTOOptions(TC, Args, CmdArgs, Output, *Input,
-                  D.getLTOMode() == LTOK_Thin);
-  }
-  if (TC.getTriple().isRISCV())
-    CmdArgs.push_back("-X");
+  if (TC.isUsingLD() && WantCRTs)
+    CmdArgs.push_back(Args.MakeArgString(TC.GetFilePath(crtend)));
 
   // The R_ARM_TARGET2 relocation must be treated as R_ARM_REL32 on arm*-*-elf
   // and arm*-*-eabi (the default is R_ARM_GOT_PREL, used on arm*-*-linux and
diff --git a/clang/lib/Driver/ToolChains/BareMetal.h b/clang/lib/Driver/ToolChains/BareMetal.h
index 483b5efab5e6e..738f59ab64b41 100644
--- a/clang/lib/Driver/ToolChains/BareMetal.h
+++ b/clang/lib/Driver/ToolChains/BareMetal.h
@@ -9,6 +9,7 @@
 #ifndef LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_BAREMETAL_H
 #define LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_BAREMETAL_H
 
+#include "ToolChains/Gnu.h"
 #include "clang/Driver/Tool.h"
 #include "clang/Driver/ToolChain.h"
 
@@ -19,7 +20,7 @@ namespace driver {
 
 namespace toolchains {
 
-class LLVM_LIBRARY_VISIBILITY BareMetal : public ToolChain {
+class LLVM_LIBRARY_VISIBILITY BareMetal : public Generic_ELF {
 public:
   BareMetal(const Driver &D, const llvm::Triple &Triple,
             const llvm::opt::ArgList &Args);
@@ -35,7 +36,7 @@ class LLVM_LIBRARY_VISIBILITY BareMetal : public ToolChain {
   Tool *buildStaticLibTool() const override;
 
 public:
-  bool useIntegratedAs() const override { return true; }
+  virtual bool isUsingLD() const { return UseLD || GCCInstallation.isValid(); }
   bool isBareMetal() const override { return true; }
   bool isCrossCompiling() const override { return true; }
   bool HasNativeLLVMSupport() const override { return true; }
@@ -48,14 +49,18 @@ class LLVM_LIBRARY_VISIBILITY BareMetal : public ToolChain {
 
   StringRef getOSLibName() const override { return "baremetal"; }
 
-  RuntimeLibType GetDefaultRuntimeLibType() const override {
-    return ToolChain::RLT_CompilerRT;
-  }
-  CXXStdlibType GetDefaultCXXStdlibType() const override {
-    return ToolChain::CST_Libcxx;
+  UnwindTableLevel
+  getDefaultUnwindTableLevel(const llvm::opt::ArgList &Args) const override {
+    return UnwindTableLevel::None;
   }
 
-  const char *getDefaultLinker() const override { return "ld.lld"; }
+  CXXStdlibType GetDefaultCXXStdlibType() const override;
+
+  RuntimeLibType GetDefaultRuntimeLibType() const override;
+
+  UnwindLibType GetUnwindLibType(const llvm::opt::ArgList &Args) const override;
+
+  const char *getDefaultLinker() const override;
 
   void
   AddClangSystemIncludeArgs(const llvm::opt::ArgList &DriverArgs,
@@ -67,6 +72,9 @@ class LLVM_LIBRARY_VISIBILITY BareMetal : public ToolChain {
   void AddClangCXXStdlibIncludeArgs(
       const llvm::opt::ArgList &DriverArgs,
       llvm::opt::ArgStringList &CC1Args) const override;
+  void
+  addLibStdCxxIncludePaths(const llvm::opt::ArgList &DriverArgs,
+                           llvm::opt::ArgStringList &CC1Args) const override;
   std::string computeSysRoot() const override;
   SanitizerMask getSupportedSanitizers() const override;
 
@@ -74,8 +82,9 @@ class LLVM_LIBRARY_VISIBILITY BareMetal : public ToolChain {
   using OrderedMultilibs =
       llvm::iterator_range<llvm::SmallVector<Multilib>::const_reverse_iterator>;
   OrderedMultilibs getOrderedMultilibs() const;
-
+  bool UseLD;
   std::string SysRoot;
+  std::string computeGCCSysRoot() const;
 };
 
 } // namespace toolchains
@@ -99,7 +108,7 @@ class LLVM_LIBRARY_VISIBILITY StaticLibTool : public Tool {
 
 class LLVM_LIBRARY_VISIBILITY Linker final : public Tool {
 public:
-  Linker(const ToolChain &TC) : Tool("baremetal::Linker", "ld.lld", TC) {}
+  Linker(const ToolChain &TC) : Tool("baremetal::Linker", "linker", TC) {}
   bool isLinkJob() const override { return true; }
   bool hasIntegratedCPP() const override { return false; }
   void ConstructJob(Compilation &C, const JobAction &JA,
diff --git a/clang/lib/Driver/ToolChains/RISCVToolchain.cpp b/clang/lib/Driver/ToolChains/RISCVToolchain.cpp
deleted file mode 100644
index 624099d21ae12..0000000000000
--- a/clang/lib/Driver/ToolChains/RISCVToolchain.cpp
+++ /dev/null
@@ -1,232 +0,0 @@
-//===--- RISCVToolchain.cpp - RISC-V ToolChain Implementations --*- C++ -*-===//
-//
-// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-// See https://llvm.org/LICENSE.txt for license information.
-// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-//
-//===----------------------------------------------------------------------===//
-
-#include "RISCVToolchain.h"
-#include "CommonArgs.h"
-#include "clang/Driver/Compilation.h"
-#include "clang/Driver/InputInfo.h"
-#include "clang/Driver/Options.h"
-#include "llvm/Option/ArgList.h"
-#include "llvm/Support/FileSystem.h"
-#include "llvm/Support/Path.h"
-#include "llvm/Support/raw_ostream.h"
-
-using namespace clang::driver;
-using namespace clang::driver::toolchains;
-using namespace clang::driver::tools;
-using namespace clang;
-using namespace llvm::opt;
-
-static void addMultilibsFilePaths(const Driver &D, const MultilibSet &Multilibs,
-                                  const Multilib &Multilib,
-                                  StringRef InstallPath,
-                                  ToolChain::path_list &Paths) {
-  if (const auto &PathsCallback = Multilibs.filePathsCallback())
-    for (const auto &Path : PathsCallback(Multilib))
-      addPathIfExists(D, InstallPath + Path, Paths);
-}
-
-// This function tests whether a gcc installation is present either
-// through gcc-toolchain argument or in the same prefix where clang
-// is installed. This helps decide whether to instantiate this toolchain
-// or Baremetal toolchain.
-bool RISCVToolChain::hasGCCToolchain(const Driver &D,
-                                     const llvm::opt::ArgList &Args) {
-  if (Args.getLastArg(options::OPT_gcc_toolchain))
-    return true;
-
-  SmallString<128> GCCDir;
-  llvm::sys::path::append(GCCDir, D.Dir, "..", D.getTargetTriple(),
-                          "lib/crt0.o");
-  return llvm::sys::fs::exists(GCCDir);
-}
-
-/// RISC-V Toolchain
-RISCVToolChain::RISCVToolChain(const Driver &D, const llvm::Triple &Triple,
-                               const ArgList &Args)
-    : Generic_ELF(D, Triple, Args) {
-  GCCInstallation.init(Triple, Args);
-  if (GCCInstallation.isValid()) {
-    Multilibs = GCCInstallation.getMultilibs();
-    SelectedMultilibs.assign({GCCInstallation.getMultilib()});
-    path_list &Paths = getFilePaths();
-    // Add toolchain/multilib specific file paths.
-    addMultilibsFilePaths(D, Multilibs, SelectedMultilibs.back(),
-                          GCCInstallation.getInstallPath(), Paths);
-    getFilePaths().push_back(GCCInstallation.getInstallPath().str());
-    ToolChain::path_list &PPaths = getProgramPaths();
-    // Multilib cross-compiler GCC installations put ld in a triple-prefixed
-    // directory off of the parent of the GCC installation.
-    PPaths.push_back(Twine(GCCInstallation.getParentLibPath() + "/../" +
-                           GCCInstallation.getTriple().str() + "/bin")
-                         .str());
-    PPaths.push_back((GCCInstallation.getParentLibPath() + "/../bin").str());
-  } else {
-    getProgramPaths().push_back(D.Dir);
-  }
-  getFilePaths().push_back(computeSysRoot() + "/lib");
-}
-
-Tool *RISCVToolChain::buildLinker() const {
-  return new tools::RISCV::Linker(*this);
-}
-
-ToolChain::RuntimeLibType RISCVToolChain::GetDefaultRuntimeLibType() const {
-  return GCCInstallation.isValid() ?
-    ToolChain::RLT_Libgcc : ToolChain::RLT_CompilerRT;
-}
-
-ToolChain::UnwindLibType
-RISCVToolChain::GetUnwindLibType(const llvm::opt::ArgList &Args) const {
-  return ToolChain::UNW_None;
-}
-
-ToolChain::UnwindTableLevel RISCVToolChain::getDefaultUnwindTableLevel(
-    const llvm::opt::ArgList &Args) const {
-  return UnwindTableLevel::None;
-}
-
-void RISCVToolChain::addClangTargetOptions(
-    const llvm::opt::ArgList &DriverArgs,
-    llvm::opt::ArgStringList &CC1Args,
-    Action::OffloadKind) const {
-  CC1Args.push_back("-nostdsysteminc");
-}
-
-void RISCVToolChain::AddClangSystemIncludeArgs(const ArgList &DriverArgs,
-                                               ArgStringList &CC1Args) const {
-  if (DriverArgs.hasArg(options::OPT_nostdinc))
-    return;
-
-  if (!DriverArgs.hasArg(options::OPT_nobuiltininc)) {
-    SmallString<128> Dir(getDriver().ResourceDir);
-    llvm::sys::path::append(Dir, "include");
-    addSystemInclude(DriverArgs, CC1Args, Dir.str());
-  }
-
-  if (!DriverArgs.hasArg(options::OPT_nostdlibinc)) {
-    SmallString<128> Dir(computeSysRoot());
-    llvm::sys::path::append(Dir, "include");
-    addSystemInclude(DriverArgs, CC1Args, Dir.str());
-  }
-}
-
-void RISCVToolChain::addLibStdCxxIncludePaths(
-    const llvm::opt::ArgList &DriverArgs,
-    llvm::opt::ArgStringList &CC1Args) const {
-  const GCCVersion &Version = GCCInstallation.getVersion();
-  StringRef TripleStr = GCCInstallation.getTriple().str();
-  const Multilib &Multilib = GCCInstallation.getMultilib();
-  addLibStdCXXIncludePaths(computeSysRoot() + "/include/c++/" + Version.Text,
-                           TripleStr, Multilib.includeSuffix(), DriverArgs,
-                           CC1Args);
-}
-
-std::string RISCVToolChain::computeSysRoot() const {
-  if (!getDriver().SysRoot.empty())
-    return getDriver().SysRoot;
-
-  SmallString<128> SysRootDir;
-  if (GCCInstallation.isValid()) {
-    StringRef LibDir = GCCInstallation.getParentLibPath();
-    StringRef TripleStr = GCCInstallation.getTriple().str();
-    llvm::sys::path::append(SysRootDir, LibDir, "..", TripleStr);
-  } else {
-    // Use the triple as provided to the driver. Unlike the parsed triple
-    // this has not been normalized to always contain every field.
-    llvm::sys::path::append(SysRootDir, getDriver().Dir, "..",
-                            getDriver().getTargetTriple());
-  }
-
-  if (!llvm::sys::fs::exists(SysRootDir))
-    return std::string();
-
-  return std::string(SysRootDir);
-}
-
-void RISCV::Linker::ConstructJob(Compilation &C, const JobAction &JA,
-                                 const InputInfo &Output,
-                                 const InputInfoList &Inputs,
-                                 const ArgList &Args,
-                                 const char *LinkingOutput) const {
-  const ToolChain &ToolChain = getToolChain();
-  const Driver &D = ToolChain.getDriver();
-  ArgStringList CmdArgs;
-
-  if (!D.SysRoot.empty())
-    CmdArgs.push_back(Args.MakeArgString("--sysroot=" + D.SysRoot));
-
-  if (Args.hasArg(options::OPT_mno_relax))
-    CmdArgs.push_back("--no-relax");
-
-  bool IsRV64 = ToolChain.getArch() == llvm::Triple::riscv64;
-  CmdArgs.push_back("-m");
-  if (IsRV64) {
-    CmdArgs.push_back("elf64lriscv");
-  } else {
-    CmdArgs.push_back("elf32lriscv");
-  }
-  CmdArgs.push_back("-X");
-
-  std::string Linker = getToolChain().GetLinkerPath();
-
-  bool WantCRTs =
-      !Args.hasArg(options::OPT_nostdlib, options::OPT_nostartfiles);
-
-  const char *crtbegin, *crtend;
-  auto RuntimeLib = ToolChain.GetRuntimeLibType(Args);
-  if (RuntimeLib == ToolChain::RLT_Libgcc) {
-    crtbegin = "crtbegin.o";
-    crtend = "crtend.o";
-  } else {
-    assert (RuntimeLib == ToolChain::RLT_CompilerRT);
-    crtbegin = ToolChain.getCompilerRTArgString(Args, "crtbegin",
-                                                ToolChain::FT_Object);
-    crtend = ToolChain.getCompilerRTArgString(Args, "crtend",
-                                              ToolChain::FT_Object);
-  }
-
-  if (WantCRTs) {
-    CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath("crt0.o")));
-    CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath(crtbegin)));
-  }
-
-  AddLinkerInputs(ToolChain, Inputs, Args, CmdArgs, JA);
-
-  Args.addAllArgs(CmdArgs, {options::OPT_L, options::OPT_u});
-
-  ToolChain.AddFilePathLibArgs(Args, CmdArgs);
-  Args.addAllArgs(CmdArgs, {options::OPT_T_Group, options::OPT_s,
-                            options::OPT_t, options::OPT_r});
-
-  // TODO: add C++ includes and libs if compiling C++.
-
-  if (!Args.hasArg(options::OPT_nostdlib) &&
-      !Args.hasArg(options::OPT_nodefaultlibs)) {
-    if (D.CCCIsCXX()) {
-      if (ToolChain.ShouldLinkCXXStdlib(Args))
-        ToolChain.AddCXXStdlibLibArgs(Args, CmdArgs);
-      CmdArgs.push_back("-lm");
-    }
-    CmdArgs.push_back("--start-group");
-    CmdArgs.push_back("-lc");
-    CmdArgs.push_back("-lgloss");
-    CmdArgs.push_back("--end-group");
-    AddRunTimeLibs(ToolChain, ToolChain.getDriver(), CmdArgs, Args);
-  }
-
-  if (WantCRTs)
-    CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath(crtend)));
-
-  CmdArgs.push_back("-o");
-  CmdArgs.push_back(Output.getFilename());
-  C.addCommand(std::make_unique<Command>(
-      JA, *this, ResponseFileSupport::AtFileCurCP(), Args.MakeArgString(Linker),
-      CmdArgs, Inputs, Output));
-}
-// RISCV tools end.
diff --git a/clang/lib/Driver/ToolChains/RISCVToolchain.h b/clang/lib/Driver/ToolChains/RISCVToolchain.h
deleted file mode 100644
index fa0aa265d842b..0000000000000
--- a/clang/lib/Driver/ToolChains/RISCVToolchain.h
+++ /dev/null
@@ -1,67 +0,0 @@
-//===--- RISCVToolchain.h - RISC-V ToolChain Implementations ----*- C++ -*-===//
-//
-// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-// See https://llvm.org/LICENSE.txt for license information.
-// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_RISCVTOOLCHAIN_H
-#define LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_RISCVTOOLCHAIN_H
-
-#include "Gnu.h"
-#include "clang/Driver/ToolChain.h"
-
-namespace clang {
-namespace driver {
-namespace toolchains {
-
-class LLVM_LIBRARY_VISIBILITY RISCVToolChain : public Generic_ELF {
-public:
-  RISCVToolChain(const Driver &D, const llvm::Triple &Triple,
-                 const llvm::opt::ArgList &Args);
-
-  static bool hasGCCToolchain(const Driver &D, const llvm::opt::ArgList &Args);
-  void addClangTargetOptions(const llvm::opt::ArgList &DriverArgs,
-                             llvm::opt::ArgStringList &CC1Args,
-                             Action::OffloadKind) const override;
-  RuntimeLibType GetDefaultRuntimeLibType() const override;
-  UnwindLibType
-  GetUnwindLibType(const llvm::opt::ArgList &Args) const override;
-  UnwindTableLevel
-  getDefaultUnwindTableLevel(const llvm::opt::ArgList &Args) const override;
-  void
-  AddClangSystemIncludeArgs(const llvm::opt::ArgList &DriverArgs,
-                            llvm::opt::ArgStringList &CC1Args) const override;
-  void
-  addLibStdCxxIncludePaths(const llvm::opt::ArgList &DriverArgs,
-                           llvm::opt::ArgStringList &CC1Args) const override;
-
-protected:
-  Tool *buildLinker() const override;
-
-private:
-  std::string computeSysRoot() const override;
-};
-
-} // end namespace toolchains
-
-namespace tools {
-namespace RISCV {
-class LLVM_LIBRARY_VISIBILITY Linker final : public Tool {
-public:
-  Linker(const ToolChain &TC) : Tool("RISCV::Linker", "ld", TC) {}
-  bool hasIntegratedCPP() const override { return false; }
-  bool isLinkJob() const override { return true; }
-  void ConstructJob(Compilation &C, const JobAction &JA,
-                    const InputInfo &Output, const InputInfoList &Inputs,
-                    const llvm::opt::ArgList &TCArgs,
-                    const char *LinkingOutput) const override;
-};
-} // end namespace RISCV
-} // end namespace tools
-
-} // end namespace driver
-} // end namespace clang
-
-#endif // LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_RISCVTOOLCHAIN_H
diff --git a/clang/test/Driver/arm-gnutools.c b/clang/test/Driver/arm-gnutools.c
new file mode 100644
index 0000000000000..127e40dc74da7
--- /dev/null
+++ b/clang/test/Driver/arm-gnutools.c
@@ -0,0 +1,12 @@
+// check that gnu assembler is invoked with arm baremetal as well
+
+// RUN: %clang --target=armv6m-none-eabi  --gcc-toolchain=%S/Inputs/basic_riscv32_tree -fno-integrated-as %s -### -c \
+// RUN: 2>&1 | FileCheck %s
+
+// RUN: %clang --target=armv7-none-eabi  --gcc-toolchain=%S/Inputs/basic_riscv32_tree -fno-integrated-as %s -### -c \
+// RUN: 2>&1 | FileCheck %s
+
+// RUN: %clang --target=aarch64-none-elf  --gcc-toolchain=%S/Inputs/basic_riscv32_tree -fno-integrated-as %s -### -c \
+// RUN: 2>&1 | FileCheck %s
+
+// CHECK: "{{.*}}as{{(.exe)?}}"
\ No newline at end of file
diff --git a/clang/test/Driver/baremetal-multilib.yaml b/clang/test/Driver/baremetal-multilib.yaml
index 853a4e9e36e43..cced8d4807371 100644
--- a/clang/test/Driver/baremetal-multilib.yaml
+++ b/clang/test/Driver/baremetal-multilib.yaml
@@ -8,7 +8,7 @@
 # CHECK-SAME: "-internal-isystem" "[[SYSROOT:[^"]*]]/bin/../lib/clang-runtimes/arm-none-eabi/thumb/v8-m.main/fp/include/c++/v1"
 # CHECK-SAME: "-internal-isystem" "[[SYSROOT]]/bin/../lib/clang-runtimes/arm-none-eabi/thumb/v8-m.main/fp/include"
 # CHECK-SAME: "-x" "c++" "{{.*}}baremetal-multilib.yaml"
-# CHECK-NEXT: ld{{(.exe)?}}" "{{.*}}.o" "-Bstatic"
+# CHECK-NEXT: ld{{(.exe)?}}" "-Bstatic"
 # CHECK-SAME: "-L[[SYSROOT]]/bin/../lib/clang-runtimes/arm-none-eabi/thumb/v8-m.main/fp/lib"
 # CHECK-SAME: "{{[^"]*}}libclang_rt.builtins.a"
 # CHECK-SAME: "-lc"
diff --git a/clang/test/Driver/baremetal-sysroot.cpp b/clang/test/Driver/baremetal-sysroot.cpp
index 5cbb7ac69a7ac..a8bb128f3b60b 100644
--- a/clang/test/Driver/baremetal-sysroot.cpp
+++ b/clang/test/Driver/baremetal-sysroot.cpp
@@ -16,7 +16,7 @@
 // CHECK-V6M-C-SAME: "-internal-isystem" "{{.*}}/baremetal_default_sysroot{{[/\\]+}}bin{{[/\\]+}}..{{[/\\]+}}lib{{[/\\]+}}clang-runtimes{{[/\\]+}}armv6m-none-eabi{{[/\\]+}}include{{[/\\]+}}c++{{[/\\]+}}v1"
 // CHECk-V6M-C-SAME: "-internal-isystem" "{{.*}}/baremetal_default_sysroot{{[/\\]+}}bin{{[/\\]+}}..{{[/\\]+}}lib{{[/\\]+}}clang-runtimes{{[/\\]+}}armv6m-none-eabi{{[/\\]+}}include"
 // CHECK-V6M-C-SAME: "-x" "c++" "{{.*}}baremetal-sysroot.cpp"
-// CHECK-V6M-C-NEXT: "{{[^"]*}}ld{{(\.(lld|bfd|gold))?}}{{(\.exe)?}}" "{{.*}}.o" "-Bstatic"
+// CHECK-V6M-C-NEXT: "{{[^"]*}}ld{{(\.(lld|bfd|gold))?}}{{(\.exe)?}}" "-Bstatic"
 // CHECK-V6M-C-SAME: "-L{{.*}}/baremetal_default_sysroot{{[/\\]+}}bin{{[/\\]+}}..{{[/\\]+}}lib{{[/\\]+}}clang-runtimes{{[/\\]+}}armv6m-none-eabi{{[/\\]+}}lib"
 // CHECK-V6M-C-SAME: "{{[^"]*}}libclang_rt.builtins.a"
 // CHECK-V6M-C-SAME: "-lc"
diff --git a/clang/test/Driver/baremetal.cpp b/clang/test/Driver/baremetal.cpp
index 6d6255ef5970f..acc9695d84742 100644
--- a/clang/test/Driver/baremetal.cpp
+++ b/clang/test/Driver/baremetal.cpp
@@ -15,9 +15,9 @@
 // CHECK-V6M-C-SAME: "-internal-isystem" "[[SYSROOT]]{{[/\\]+}}include{{[/\\]+}}c++{{[/\\]+}}v1"
 // CHECK-V6M-C-SAME: "-internal-isystem" "[[SYSROOT]]{{[/\\]+}}include"
 // CHECK-V6M-C-SAME: "-x" "c++" "{{.*}}baremetal.cpp"
-// CHECK-V6M-C-NEXT: ld{{(.exe)?}}" "{{.*}}.o" "-Bstatic" "-EL"
+// CHECK-V6M-C-NEXT: ld{{(.exe)?}}" "--sysroot={{.*}}{{[/\\]+}}Inputs{{[/\\]+}}baremetal_arm" "-Bstatic" "-EL"
 // CHECK-V6M-C-SAME: "[[SYSROOT:[^"]+]]{{[/\\]+}}lib{{[/\\]+}}crt0.o"
-// CHECK-V6M-C-SAME: "-T" "semihosted.lds" "-Lsome{{[/\\]+}}directory{{[/\\]+}}user{{[/\\]+}}asked{{[/\\]+}}for"
+// CHECK-V6M-C-SAME: "-Lsome{{[/\\]+}}directory{{[/\\]+}}user{{[/\\]+}}asked{{[/\\]+}}for"
 // CHECK-V6M-C-SAME: "-L[[SYSROOT:[^"]+]]{{[/\\]+}}lib"
 // CHECK-V6M-C-SAME: "{{[^"]*}}libclang_rt.builtins.a"
 // CHECK-V6M-C-SAME: "-lc"
@@ -39,7 +39,7 @@
 // CHECK-V6M-TREE-SAME: {{^}} "-internal-isystem" "[[INSTALLED_DIR]]{{[/\\]+}}..{{[/\\]+}}include{{[/\\]+}}c++{{[/\\]+}}v1"
 // CHECK-V6M-TREE-SAME: "-internal-isystem" "[[INSTALLED_DIR]]{{[/\\]+}}..{{[/\\]+}}include{{[/\\]+}}armv6m-unknown-none-eabi"
 // CHECK-V6M-TREE-SAME: "-x" "c++" "{{.*}}baremetal.cpp"
-// CHECK-V6M-TREE-NEXT: ld{{(.exe)?}}" "{{.*}}.o" "-Bstatic" "-EL"
+// CHECK-V6M-TREE-NEXT: ld{{(.exe)?}}" "-Bstatic" "-EL"
 // CHECK-V6M-TREE-SAME: "[[INSTALLED_DIR]]{{[/\\]+}}..{{[/\\]+}}lib{{[/\\]+}}armv6m-unknown-none-eabi{{[/\\]+}}crt0.o"
 // CHECK-V6M-TREE-SAME: "-L[[INSTALLED_DIR]]{{[/\\]+}}..{{[/\\]+}}lib{{[/\\]+}}armv6m-unknown-none-eabi"
 // CHECK-V6M-TREE-SAME: "{{[^"]*}}libclang_rt.builtins.a"
@@ -53,7 +53,7 @@
 // CHECK-ARMV7M-PER-TARGET: "-resource-dir" "[[RESOURCE_DIR:[^"]+]]"
 // CHECK-ARMV7M-PER-TARGET: "-isysroot" "[[SYSROOT:[^"]*]]"
 // CHECK-ARMV7M-PER-TARGET: "-x" "c++" "{{.*}}baremetal.cpp"
-// CHECK-ARMV7M-PER-TARGET: ld{{(.exe)?}}" "{{.*}}.o" "-Bstatic" "-EL"
+// CHECK-ARMV7M-PER-TARGET: ld{{(.exe)?}}" "--sysroot={{.*}}{{[/\\]+}}Inputs{{[/\\]+}}baremetal_arm" "-Bstatic" "-EL"
 // CHECK-ARMV7M-PER_TARGET: "[[SYSROOT:[^"]+]]{{[/\\]+}}lib{{[/\\]+}}crt0.o"
 // CHECK-ARMV7M-PER-TARGET: "-L[[SYSROOT:[^"]+]]{{[/\\]+}}lib"
 // CHECK-ARMV7M-PER-TARGET: "-L[[RESOURCE_DIR:[^"]+]]{{[/\\]+}}lib{{[/\\]+}}armv7m-vendor-none-eabi
@@ -63,7 +63,7 @@
 // RUN: %clangxx %s -### --target=armv6m-none-eabi 2>&1 \
 // RUN:     --sysroot=%S/Inputs/baremetal_arm | FileCheck --check-prefix=CHECK-V6M-DEFAULTCXX %s
 // CHECK-V6M-DEFAULTCXX: "-resource-dir" "[[RESOURCE_DIR:[^"]+]]"
-// CHECK-V6M-DEFAULTCXX: ld{{(.exe)?}}" "{{.*}}.o" "-Bstatic" "-EL"
+// CHECK-V6M-DEFAULTCXX: ld{{(.exe)?}}" "--sysroot={{.*}}{{[/\\]+}}Inputs{{[/\\]+}}baremetal_arm" "-Bstatic" "-EL"
 // CHECK-V6M-DEFAULTCXX-SAME: "[[SYSROOT:[^"]+]]{{[/\\]+}}lib{{[/\\]+}}crt0.o"
 // CHECK-V6M-DEFAULTCXX-SAME: "-L{{[^"]*}}{{[/\\]+}}Inputs{{[/\\]+}}baremetal_arm{{[/\\]+}}lib"
 // CHECK-V6M-DEFAULTCXX-SAME: "-lc++"
@@ -77,7 +77,7 @@
 // CHECK-V6M-LIBCXX: "-resource-dir" "[[RESOURCE_DIR:[^"]+]]"
 // CHECK-V6M-LIBCXX-NOT: "-internal-isystem" "{{[^"]+}}{{[/\\]+}}include{{[/\\]+}}c++{{[/\\]+}}{{[^v].*}}"
 // CHECK-V6M-LIBCXX-SAME: "-internal-isystem" "{{[^"]+}}{{[/\\]+}}include{{[/\\]+}}c++{{[/\\]+}}v1"
-// CHECK-V6M-LIBCXX: ld{{(.exe)?}}" "{{.*}}.o" "-Bstatic" "-EL"
+// CHECK-V6M-LIBCXX: ld{{(.exe)?}}" "--sysroot={{.*}}{{[/\\]+}}Inputs{{[/\\]+}}baremetal_arm" "-Bstatic" "-EL"
 // CHECK-V6M-LIBCXX-SAME: "-L{{[^"]*}}{{[/\\]+}}Inputs{{[/\\]+}}baremetal_arm{{[/\\]+}}lib"
 // CHECK-V6M-LIBCXX-SAME: "-lc++"
 // CHECK-V6M-LIBCXX-SAME: "-lm"
@@ -92,7 +92,7 @@
 // CHECK-V6M-LIBSTDCXX: "-resource-dir" "[[RESOURCE_DIR:[^"]+]]"
 // CHECK-V6M-LIBSTDCXX-NOT: "-internal-isystem" "{{[^"]+}}{{[/\\]+}}include{{[/\\]+}}c++{{[/\\]+}}v1"
 // CHECK-V6M-LIBSTDCXX-SAME: "-internal-isystem" "{{[^"]+}}{{[/\\]+}}include{{[/\\]+}}c++{{[/\\]+}}6.0.0"
-// CHECK-V6M-LIBSTDCXX: ld{{(.exe)?}}" "{{.*}}.o" "-Bstatic" "-EL"
+// CHECK-V6M-LIBSTDCXX: ld{{(.exe)?}}" "--sysroot={{.*}}{{[/\\]+}}Inputs{{[/\\]+}}baremetal_arm" "-Bstatic" "-EL"
 // CHECK-V6M-LIBSTDCXX-SAME: "-L{{[^"]*}}{{[/\\]+}}Inputs{{[/\\]+}}baremetal_arm{{[/\\]+}}lib"
 // CHECK-V6M-LIBSTDCXX-SAME: "-lstdc++" "-lm"
 // CHECK-V6M-LIBSTDCXX-SAME: "{{[^"]*}}libclang_rt.builtins.a"
@@ -104,7 +104,7 @@
 // RUN:     -nodefaultlibs \
 // RUN:   | FileCheck --check-prefix=CHECK-V6M-NDL %s
 // CHECK-V6M-NDL: "-resource-dir" "[[RESOURCE_DIR:[^"]+]]"
-// CHECK-V6M-NDL: ld{{(.exe)?}}" "{{.*}}.o" "-Bstatic" "-EL"
+// CHECK-V6M-NDL: ld{{(.exe)?}}" "--sysroot={{.*}}{{[/\\]+}}Inputs{{[/\\]+}}baremetal_arm" "-Bstatic" "-EL"
 // CHECK-V6M-NDL-SAME: "-L{{[^"]*}}{{[/\\]+}}Inputs{{[/\\]+}}baremetal_arm{{[/\\]+}}lib"
 
 // RUN: rm -rf %T/baremetal_cxx_sysroot
@@ -149,7 +149,7 @@
 
 // RUN: %clang -### %s --target=armebv7-none-eabi --sysroot=%S/Inputs/baremetal_arm 2>&1 \
 // RUN:   | FileCheck --check-prefix=CHECK-ARMV7EB %s
-// CHECK-ARMV7EB: "{{.*}}ld{{(.exe)?}}" "{{.*}}.o" "-Bstatic" "--be8" "-EB"
+// CHECK-ARMV7EB: "{{.*}}ld{{(.exe)?}}" "--sysroot={{.*}}{{[/\\]+}}Inputs{{[/\\]+}}baremetal_arm" "-Bstatic" "--be8" "-EB"
 
 // RUN: %clang -### %s --target=armv7-none-eabi -mbig-endian --sysroot=%S/Inputs/baremetal_arm 2>&1 \
 // RUN:   | FileCheck --check-prefix=CHECK-ARMV7EB %s
@@ -159,7 +159,7 @@
 
 // RUN: %clang -### %s --target=armv7-none-eabi --sysroot=%S/Inputs/baremetal_arm 2>&1 \
 // RUN:   | FileCheck --check-prefix=CHECK-ARMV7EL %s
-// CHECK-ARMV7EL: "{{.*}}ld{{(.exe)?}}" "{{.*}}.o" "-Bstatic" "-EL"
+// CHECK-ARMV7EL: "{{.*}}ld{{(.exe)?}}" "--sysroot={{.*}}{{[/\\]+}}Inputs{{[/\\]+}}baremetal_arm" "-Bstatic" "-EL"
 // CHECK-ARMV7EL-NOT: "--be8"
 
 // RUN: %clang -### %s --target=armebv7-none-eabi -mlittle-endian --sysroot=%S/Inputs/baremetal_arm 2>&1 \
@@ -170,7 +170,7 @@
 
 // RUN: %clang -### %s --target=aarch64_be-none-elf --sysroot=%S/Inputs/baremetal_arm 2>&1 \
 // RUN:   | FileCheck --check-prefix=CHECK-AARCH64BE %s
-// CHECK-AARCH64BE: "{{.*}}ld{{(.exe)?}}" "{{.*}}.o" "-Bstatic" "-EB"
+// CHECK-AARCH64BE: "{{.*}}ld{{(.exe)?}}" "--sysroot={{.*}}{{[/\\]+}}Inputs{{[/\\]+}}baremetal_arm" "-Bstatic" "-EB"
 // CHECK-AARCH64BE-NOT: "--be8"
 
 // RUN: %clang -### %s --target=aarch64-none-elf -mbig-endian --sysroot=%S/Inputs/baremetal_arm 2>&1 \
@@ -181,7 +181,7 @@
 
 // RUN: %clang -### %s --target=aarch64-none-elf --sysroot=%S/Inputs/baremetal_arm 2>&1 \
 // RUN:   | FileCheck --check-prefix=CHECK-AARCH64LE %s
-// CHECK-AARCH64LE: "{{.*}}ld{{(.exe)?}}" "{{.*}}.o" "-Bstatic" "-EL"
+// CHECK-AARCH64LE: "{{.*}}ld{{(.exe)?}}" "--sysroot={{.*}}{{[/\\]+}}Inputs{{[/\\]+}}baremetal_arm" "-Bstatic" "-EL"
 // CHECK-AARCH64LE-NOT: "--be8"
 
 // RUN: %clang -### %s --target=aarch64_be-none-elf -mlittle-endian --sysroot=%S/Inputs/baremetal_arm 2>&1 \
@@ -205,23 +205,23 @@
 // CHECK-RV64-SAME: "-internal-isystem" "[[SYSROOT]]{{[/\\]+}}include{{[/\\]+}}c++{{[/\\]+}}v1"
 // CHECk-RV64-SAME: "-internal-isystem" "[[SYSROOT]]{{[/\\]+}}include"
 // CHECK-RV64-SAME: "-x" "c++" "{{.*}}baremetal.cpp"
-// CHECK-RV64-NEXT: ld{{(.exe)?}}" "{{.*}}.o" "-Bstatic"
+// CHECK-RV64-NEXT: ld{{(.exe)?}}" "--sysroot={{.*}}/Inputs/basic_riscv64_tree/riscv64-unknown-elf" "-Bstatic" "-X"
 // CHECK-RV64-SAME: "-Lsome{{[/\\]+}}directory{{[/\\]+}}user{{[/\\]+}}asked{{[/\\]+}}for"
 // CHECK-RV64-SAME: "-L[[SYSROOT:[^"]+]]{{[/\\]+}}lib"
 // CHECK-RV64-SAME: "{{[^"]*}}libclang_rt.builtins.a"
 // CHECK-RV64-SAME: "-lc"
-// CHECK-RV64-SAME: "-X" "-o" "{{.*}}.tmp.out"
+// CHECK-RV64-SAME: "-o" "{{.*}}.tmp.out"
 
 // RUN: %clangxx %s -### --target=riscv64-unknown-elf 2>&1 \
 // RUN:     --sysroot=%S/Inputs/basic_riscv64_tree/riscv64-unknown-elf \
 // RUN:   | FileCheck --check-prefix=CHECK-RV64-DEFAULTCXX %s
 // CHECK-RV64-DEFAULTCXX: "-resource-dir" "[[RESOURCE_DIR:[^"]+]]"
-// CHECK-RV64-DEFAULTCXX: ld{{(.exe)?}}" "{{.*}}.o" "-Bstatic"
+// CHECK-RV64-DEFAULTCXX: ld{{(.exe)?}}" "--sysroot={{.*}}{{[/\\]+}}Inputs{{[/\\]+}}basic_riscv64_tree{{[/\\]+}}riscv64-unknown-elf" "-Bstatic"
 // CHECK-RV64-DEFAULTCXX-SAME: "-L{{[^"]*}}{{[/\\]+}}Inputs{{[/\\]+}}basic_riscv64_tree{{[/\\]+}}riscv64-unknown-elf{{[/\\]+}}lib"
 // CHECK-RV64-DEFAULTCXX-SAME: "-lc++" "-lm"
 // CHECK-RV64-DEFAULTCXX-SAME: "{{[^"]*}}libclang_rt.builtins.a"
 // CHECK-RV64-DEFAULTCXX-SAME: "-lc"
-// CHECK-RV64-DEFAULTCXX-SAME: "-X" "-o" "a.out"
+// CHECK-RV64-DEFAULTCXX-SAME: "-o" "a.out"
 
 // RUN: %clangxx %s -### --target=riscv64-unknown-elf 2>&1 \
 // RUN:     --sysroot=%S/Inputs/basic_riscv64_tree/riscv64-unknown-elf \
@@ -230,12 +230,12 @@
 // CHECK-RV64-LIBCXX: "-resource-dir" "[[RESOURCE_DIR:[^"]+]]"
 // CHECK-RV64-LIBCXX-NOT: "-internal-isystem" "{{[^"]+}}{{[/\\]+}}include{{[/\\]+}}c++{{[/\\]+}}{{[^v].*}}"
 // CHECK-RV64-LIBCXX-SAME: "-internal-isystem" "{{[^"]+}}{{[/\\]+}}include{{[/\\]+}}c++{{[/\\]+}}v1"
-// CHECK-RV64-LIBCXX: ld{{(.exe)?}}" "{{.*}}.o" "-Bstatic"
+// CHECK-RV64-LIBCXX: ld{{(.exe)?}}" "--sysroot={{.*}}{{[/\\]+}}Inputs{{[/\\]+}}basic_riscv64_tree{{[/\\]+}}riscv64-unknown-elf" "-Bstatic" "-X"
 // CHECK-RV64-LIBCXX-SAME: "-L{{[^"]*}}{{[/\\]+}}Inputs{{[/\\]+}}basic_riscv64_tree{{[/\\]+}}riscv64-unknown-elf{{[/\\]+}}lib"
 // CHECK-RV64-LIBCXX-SAME: "-lc++" "-lm"
 // CHECK-RV64-LIBCXX-SAME: "{{[^"]*}}libclang_rt.builtins.a"
 // CHECK-RV64-LIBCXX-SAME: "-lc"
-// CHECK-RV64-LIBCXX-SAME: "-X" "-o" "a.out"
+// CHECK-RV64-LIBCXX-SAME: "-o" "a.out"
 
 // RUN: %clangxx %s -### 2>&1 --target=riscv64-unknown-elf \
 // RUN:     --sysroot=%S/Inputs/basic_riscv64_tree/riscv64-unknown-elf \
@@ -244,12 +244,12 @@
 // CHECK-RV64-LIBSTDCXX: "-resource-dir" "[[RESOURCE_DIR:[^"]+]]"
 // CHECK-RV64-LIBSTDCXX-NOT: "-internal-isystem" "{{[^"]+}}{{[/\\]+}}include{{[/\\]+}}c++{{[/\\]+}}v1"
 // CHECK-RV64-LIBSTDCXX-SAME: "-internal-isystem" "{{[^"]+}}{{[/\\]+}}include{{[/\\]+}}c++{{[/\\]+}}8.0.1"
-// CHECK-RV64-LIBSTDCXX: ld{{(.exe)?}}" "{{.*}}.o" "-Bstatic"
+// CHECK-RV64-LIBSTDCXX: ld{{(.exe)?}}" "--sysroot={{.*}}{{[/\\]+}}Inputs{{[/\\]+}}basic_riscv64_tree{{[/\\]+}}riscv64-unknown-elf" "-Bstatic" "-X"
 // CHECK-RV64-LIBSTDCXX-SAME: "-L{{[^"]*}}{{[/\\]+}}Inputs{{[/\\]+}}basic_riscv64_tree{{[/\\]+}}riscv64-unknown-elf{{[/\\]+}}lib"
 // CHECK-RV64-LIBSTDCXX-SAME: "-lstdc++" "-lm"
 // CHECK-RV64-LIBSTDCXX-SAME: "{{[^"]*}}libclang_rt.builtins.a"
 // CHECK-RV64-LIBSTDCXX-SAME: "-lc"
-// CHECK-RV64-LIBSTDCXX-SAME: "-X" "-o" "a.out"
+// CHECK-RV64-LIBSTDCXX-SAME: "-o" "a.out"
 
 // RUN: %clang %s -### 2>&1 --target=riscv32-unknown-elf \
 // RUN:     -L some/directory/user/asked/for \
@@ -261,23 +261,23 @@
 // CHECK-RV32-SAME: "-internal-isystem" "[[SYSROOT]]{{[/\\]+}}include{{[/\\]+}}c++{{[/\\]+}}v1"
 // CHECK-RV32-SAME: "-internal-isystem" "[[SYSROOT]]{{[/\\]+}}include"
 // CHECK-RV32-SAME: "-x" "c++" "{{.*}}baremetal.cpp"
-// CHECK-RV32-NEXT: ld{{(.exe)?}}" "{{.*}}.o" "-Bstatic"
+// CHECK-RV32-NEXT: ld{{(.exe)?}}" "--sysroot={{.*}}/Inputs/basic_riscv32_tree/riscv32-unknown-elf" "-Bstatic" "-X"
 // CHECK-RV32-SAME: "-Lsome{{[/\\]+}}directory{{[/\\]+}}user{{[/\\]+}}asked{{[/\\]+}}for"
 // CHECK-RV32-SAME: "-L[[SYSROOT:[^"]+]]{{[/\\]+}}lib"
 // CHECK-RV32-SAME: "{{[^"]*}}libclang_rt.builtins.a"
 // CHECK-RV32-SAME: "-lc"
-// CHECK-RV32-SAME: "-X" "-o" "a.out"
+// CHECK-RV32-SAME: "-o" "a.out"
 
 // RUN: %clangxx %s -### 2>&1 --target=riscv32-unknown-elf \
 // RUN:     --sysroot=%S/Inputs/basic_riscv32_tree/riscv32-unknown-elf \
 // RUN:   | FileCheck --check-prefix=CHECK-RV32-DEFAULTCXX %s
 // CHECK-RV32-DEFAULTCXX: "-resource-dir" "[[RESOURCE_DIR:[^"]+]]"
-// CHECK-RV32-DEFAULTCXX: ld{{(.exe)?}}" "{{.*}}.o" "-Bstatic"
+// CHECK-RV32-DEFAULTCXX: ld{{(.exe)?}}" "--sysroot={{.*}}{{[/\\]+}}Inputs{{[/\\]+}}basic_riscv32_tree{{[/\\]+}}riscv32-unknown-elf" "-Bstatic" "-X"
 // CHECK-RV32-DEFAULTCXX-SAME: "-L{{[^"]*}}{{[/\\]+}}Inputs{{[/\\]+}}basic_riscv32_tree{{[/\\]+}}riscv32-unknown-elf{{[/\\]+}}lib"
 // CHECK-RV32-DEFAULTCXX-SAME: "-lc++" "-lm"
 // CHECK-RV32-DEFAULTCXX-SAME: "{{[^"]*}}libclang_rt.builtins.a"
 // CHECK-RV32-DEFAULTCXX-SAME: "-lc"
-// CHECK-RV32-DEFAULTCXX-SAME: "-X" "-o" "a.out"
+// CHECK-RV32-DEFAULTCXX-SAME: "-o" "a.out"
 
 // RUN: %clangxx %s -### 2>&1 --target=riscv32-unknown-elf \
 // RUN:     --sysroot=%S/Inputs/basic_riscv32_tree/riscv32-unknown-elf \
@@ -286,11 +286,11 @@
 // CHECK-RV32-LIBCXX: "-resource-dir" "[[RESOURCE_DIR:[^"]+]]"
 // CHECK-RV32-LIBCXX-NOT: "-internal-isystem" "{{[^"]+}}{{[/\\]+}}include{{[/\\]+}}c++{{[/\\]+}}{{[^v].*}}"
 // CHECK-RV32-LIBCXX-SAME: "-internal-isystem" "{{[^"]+}}{{[/\\]+}}include{{[/\\]+}}c++{{[/\\]+}}v1"
-// CHECK-RV32-LIBCXX: ld{{(.exe)?}}" "{{.*}}.o" "-Bstatic"
+// CHECK-RV32-LIBCXX: ld{{(.exe)?}}" "--sysroot={{.*}}{{[/\\]+}}Inputs{{[/\\]+}}basic_riscv32_tree{{[/\\]+}}riscv32-unknown-elf" "-Bstatic" "-X"
 // CHECK-RV32-LIBCXX-SAME: "-L{{[^"]*}}{{[/\\]+}}Inputs{{[/\\]+}}basic_riscv32_tree{{[/\\]+}}riscv32-unknown-elf{{[/\\]+}}lib"
 // CHECK-RV32-LIBCXX-SAME: "-lc++" "-lm"
 // CHECK-RV32-LIBCXX-SAME: "{{[^"]*}}libclang_rt.builtins.a"
-// CHECK-RV32-LIBCXX-SAME: "-X" "-o" "a.out"
+// CHECK-RV32-LIBCXX-SAME: "-o" "a.out"
 
 // RUN: %clangxx %s -### 2>&1 --target=riscv32-unknown-elf \
 // RUN:     --sysroot=%S/Inputs/basic_riscv32_tree/riscv32-unknown-elf \
@@ -299,11 +299,12 @@
 // CHECK-RV32-LIBSTDCXX: "-resource-dir" "[[RESOURCE_DIR:[^"]+]]"
 // CHECK-RV32-LIBSTDCXX-NOT: "-internal-isystem" "{{[^"]+}}{{[/\\]+}}include{{[/\\]+}}c++{{[/\\]+}}v1"
 // CHECK-RV32-LIBSTDCXX-SAME: "-internal-isystem" "{{[^"]+}}{{[/\\]+}}include{{[/\\]+}}c++{{[/\\]+}}8.0.1"
-// CHECK-RV32-LIBSTDCXX: ld{{(.exe)?}}" "{{.*}}.o" "-Bstatic"
+// CHECK-RV32-LIBSTDCXX: ld{{(.exe)?}}" "--sysroot={{.*}}{{[/\\]+}}Inputs{{[/\\]+}}basic_riscv32_tree{{[/\\]+}}riscv32-unknown-elf" "-Bstatic" "-X"
 // CHECK-RV32-LIBSTDCXX-SAME: "-L{{[^"]*}}{{[/\\]+}}Inputs{{[/\\]+}}basic_riscv32_tree{{[/\\]+}}riscv32-unknown-elf{{[/\\]+}}lib"
 // CHECK-RV32-LIBSTDCXX-SAME: "-lstdc++" "-lm"
 // CHECK-RV32-LIBSTDCXX-SAME: "{{[^"]*}}libclang_rt.builtins.a"
-// CHECK-RV32-LIBSTDCXX-SAME: "-lc" "-X" "-o" "a.out"
+// CHECK-RV32-LIBSTDCXX-SAME: "-lc"
+// CHECK-RV32-LIBSTDCXX-SAME: "-o" "a.out"
 
 // RUN: %clang %s -### 2>&1 --target=riscv64-unknown-elf \
 // RUN:     -nostdlibinc -nobuiltininc \
@@ -320,7 +321,7 @@
 // RUN:     -nodefaultlibs \
 // RUN:   | FileCheck --check-prefix=CHECK-RV64-NDL %s
 // CHECK-RV64-NDL: "-resource-dir" "[[RESOURCE_DIR:[^"]+]]"
-// CHECK-RV64-NDL: ld{{(.exe)?}}" "{{.*}}.o" "-Bstatic"
+// CHECK-RV64-NDL: ld{{(.exe)?}}" "--sysroot={{.*}}{{[/\\]+}}Inputs{{[/\\]+}}basic_riscv64_tree{{[/\\]+}}riscv64-unknown-elf" "-Bstatic" "-X"
 // CHECK-RV64-NDL-SAME: "-L{{[^"]*}}{{[/\\]+}}Inputs{{[/\\]+}}basic_riscv64_tree{{[/\\]+}}riscv64-unknown-elf{{[/\\]+}}lib"
 
 // RUN: %clang %s -### 2>&1 --target=riscv64-unknown-elf \
@@ -339,7 +340,7 @@
 // CHECK-RV64FD-SAME: "-internal-isystem" "[[SYSROOT]]{{[/\\]+}}rv64imafdc{{[/\\]+}}lp64d{{[/\\]+}}include{{[/\\]+}}c++{{[/\\]+}}v1"
 // CHECk-RV64FD-SAME: "-internal-isystem" "[[SYSROOT]]{{[/\\]+}}rv64imafdc{{[/\\]+}}lp64d{{[/\\]+}}include"
 // CHECK-RV64FD-SAME: "-x" "c++" "{{.*}}baremetal.cpp"
-// CHECK-RV64FD-NEXT: ld{{(.exe)?}}" "{{.*}}.o" "-Bstatic"
+// CHECK-RV64FD-NEXT: ld{{(.exe)?}}" "--sysroot={{.*}}{{[/\\]+}}Inputs{{[/\\]+}}basic_riscv64_tree{{[/\\]+}}riscv64-unknown-elf" "-Bstatic" "-X"
 // CHECK-RV64FD-SAME: "-L[[SYSROOT:[^"]+]]{{[/\\]+}}rv64imafdc{{[/\\]+}}lp64d{{[/\\]+}}lib"
 
 // RUN: %clang %s -### 2>&1 --target=riscv32-unknown-elf \
@@ -358,7 +359,7 @@
 // CHECK-RV32I-SAME: "-internal-isystem" "[[SYSROOT]]{{[/\\]+}}rv32i{{[/\\]+}}ilp32{{[/\\]+}}include{{[/\\]+}}c++{{[/\\]+}}v1"
 // CHECK-RV32I-SAME: "-internal-isystem" "[[SYSROOT]]{{[/\\]+}}rv32i{{[/\\]+}}ilp32{{[/\\]+}}include"
 // CHECK-RV32I-SAME: "-x" "c++" "{{.*}}baremetal.cpp"
-// CHECK-RV32I-NEXT: ld{{(.exe)?}}" "{{.*}}.o" "-Bstatic"
+// CHECK-RV32I-NEXT: ld{{(.exe)?}}" "--sysroot={{.*}}{{[/\\]+}}Inputs{{[/\\]+}}basic_riscv32_tree{{[/\\]+}}riscv32-unknown-elf" "-Bstatic" "-X"
 // CHECK-RV32I-SAME: "-L[[SYSROOT:[^"]+]]{{[/\\]+}}rv32i{{[/\\]+}}ilp32{{[/\\]+}}lib"
 
 // RUN: %clang %s -### 2>&1 --target=riscv32-unknown-elf \
@@ -377,7 +378,7 @@
 // CHECK-RV32IM-SAME: "-internal-isystem" "[[SYSROOT]]{{[/\\]+}}rv32im{{[/\\]+}}ilp32{{[/\\]+}}include{{[/\\]+}}c++{{[/\\]+}}v1"
 // CHECK-RV32IM-SAME: "-internal-isystem" "[[SYSROOT]]{{[/\\]+}}rv32im{{[/\\]+}}ilp32{{[/\\]+}}include"
 // CHECK-RV32IM-SAME: "-x" "c++" "{{.*}}baremetal.cpp"
-// CHECK-RV32IM-NEXT: ld{{(.exe)?}}" "{{.*}}.o" "-Bstatic"
+// CHECK-RV32IM-NEXT: ld{{(.exe)?}}" "--sysroot={{.*}}{{[/\\]+}}Inputs{{[/\\]+}}basic_riscv32_tree{{[/\\]+}}riscv32-unknown-elf" "-Bstatic" "-X"
 // CHECK-RV32IM-SAME: "-L[[SYSROOT:[^"]+]]{{[/\\]+}}rv32im{{[/\\]+}}ilp32{{[/\\]+}}lib"
 
 // RUN: %clang %s -### 2>&1 --target=riscv32-unknown-elf \
@@ -391,7 +392,7 @@
 // CHECK-RV32IAC-SAME: "-internal-isystem" "[[SYSROOT]]{{[/\\]+}}rv32iac{{[/\\]+}}ilp32{{[/\\]+}}include{{[/\\]+}}c++{{[/\\]+}}v1"
 // CHECK-RV32IAC-SAME: "-internal-isystem" "[[SYSROOT]]{{[/\\]+}}rv32iac{{[/\\]+}}ilp32{{[/\\]+}}include"
 // CHECK-RV32IAC-SAME: "-x" "c++" "{{.*}}baremetal.cpp"
-// CHECK-RV32IAC-NEXT: ld{{(.exe)?}}" "{{.*}}.o" "-Bstatic"
+// CHECK-RV32IAC-NEXT: ld{{(.exe)?}}" "--sysroot={{.*}}{{[/\\]+}}Inputs{{[/\\]+}}basic_riscv32_tree{{[/\\]+}}riscv32-unknown-elf" "-Bstatic" "-X"
 // CHECK-RV32IAC-SAME: "-L[[SYSROOT:[^"]+]]{{[/\\]+}}rv32iac{{[/\\]+}}ilp32{{[/\\]+}}lib"
 
 // RUN: %clang %s -### 2>&1 --target=riscv32-unknown-elf -march=rv32imafc -mabi=ilp32f \
@@ -412,7 +413,7 @@
 // CHECK-RV32IMAFC-SAME: "-internal-isystem" "[[SYSROOT]]{{[/\\]+}}rv32imafc{{[/\\]+}}ilp32f{{[/\\]+}}include{{[/\\]+}}c++{{[/\\]+}}v1"
 // CHECK-RV32IMAFC-SAME: "-internal-isystem" "[[SYSROOT]]{{[/\\]+}}rv32imafc{{[/\\]+}}ilp32f{{[/\\]+}}include"
 // CHECK-RV32IMAFC-SAME: "-x" "c++" "{{.*}}baremetal.cpp"
-// CHECK-RV32IMAFC-NEXT: ld{{(.exe)?}}" "{{.*}}.o" "-Bstatic"
+// CHECK-RV32IMAFC-NEXT: ld{{(.exe)?}}" "--sysroot={{.*}}{{[/\\]+}}Inputs{{[/\\]+}}basic_riscv32_tree{{[/\\]+}}riscv32-unknown-elf" "-Bstatic" "-X"
 // CHECK-RV32IMAFC-SAME: "-L[[SYSROOT:[^"]+]]{{[/\\]+}}rv32imafc{{[/\\]+}}ilp32f{{[/\\]+}}lib"
 
 // RUN: %clang -no-canonical-prefixes %s -### --target=powerpc-unknown-eabi 2>&1 \
@@ -423,7 +424,7 @@
 // CHECK-PPCEABI-SAME: "-internal-isystem" "[[INSTALLEDDIR]]{{[/\\]+}}..{{[/\\]+}}lib{{[/\\]+}}clang-runtimes{{[/\\]+[^"]*}}include{{[/\\]+}}c++{{[/\\]+}}v1"
 // CHECK-PPCEABI-SAME: "-internal-isystem" "[[RESOURCE]]{{[/\\]+}}include"
 // CHECK-PPCEABI-SAME: "-internal-isystem" "[[INSTALLEDDIR]]{{[/\\]+}}..{{[/\\]+}}lib{{[/\\]+}}clang-runtimes{{[/\\]+[^"]*}}include"
-// CHECK-PPCEABI-NEXT: ld{{(.exe)?}}" "{{.*}}.o" "-Bstatic"
+// CHECK-PPCEABI-NEXT: ld{{(.exe)?}}" "-Bstatic"
 // CHECK-PPCEABI-SAME: "-L[[INSTALLEDDIR]]{{[/\\]+}}..{{[/\\]+}}lib{{[/\\]+}}clang-runtimes{{[/\\]+[^"]*}}lib"
 // CHECK-PPCEABI-SAME: "{{[^"]*}}libclang_rt.builtins.a"
 // CHECK-PPCEABI-SAME: "-lc"
@@ -437,7 +438,7 @@
 // CHECK-PPC64EABI-SAME: "-internal-isystem" "[[INSTALLEDDIR]]{{[/\\]+}}..{{[/\\]+}}lib{{[/\\]+}}clang-runtimes{{[/\\]+[^"]*}}include{{[/\\]+}}c++{{[/\\]+}}v1"
 // CHECK-PPC64EABI-SAME: "-internal-isystem" "[[RESOURCE]]{{[/\\]+}}include"
 // CHECK-PPC64EABI-SAME: "-internal-isystem" "[[INSTALLEDDIR]]{{[/\\]+}}..{{[/\\]+}}lib{{[/\\]+}}clang-runtimes{{[/\\]+[^"]*}}include"
-// CHECK-PPC64EABI-NEXT: ld{{(.exe)?}}" "{{.*}}.o" "-Bstatic"
+// CHECK-PPC64EABI-NEXT: ld{{(.exe)?}}" "-Bstatic"
 // CHECK-PPC64EABI-SAME: "-L[[INSTALLEDDIR]]{{[/\\]+}}..{{[/\\]+}}lib{{[/\\]+}}clang-runtimes{{[/\\]+[^"]*}}lib"
 // CHECK-PPC64EABI-SAME: "{{[^"]*}}libclang_rt.builtins.a"
 // CHECK-PPC64EABI-SAME: "-lc"
@@ -451,7 +452,7 @@
 // CHECK-PPCLEEABI-SAME: "-internal-isystem" "[[INSTALLEDDIR]]{{[/\\]+}}..{{[/\\]+}}lib{{[/\\]+}}clang-runtimes{{[/\\]+[^"]*}}include{{[/\\]+}}c++{{[/\\]+}}v1"
 // CHECK-PPCLEEABI-SAME: "-internal-isystem" "[[RESOURCE]]{{[/\\]+}}include"
 // CHECK-PPCLEEABI-SAME: "-internal-isystem" "[[INSTALLEDDIR]]{{[/\\]+}}..{{[/\\]+}}lib{{[/\\]+}}clang-runtimes{{[/\\]+[^"]*}}include"
-// CHECK-PPCLEEABI-NEXT: ld{{(.exe)?}}" "{{.*}}.o" "-Bstatic"
+// CHECK-PPCLEEABI-NEXT: ld{{(.exe)?}}" "-Bstatic"
 // CHECK-PPCLEEABI-SAME: "-L[[INSTALLEDDIR]]{{[/\\]+}}..{{[/\\]+}}lib{{[/\\]+}}clang-runtimes{{[/\\]+[^"]*}}lib"
 // CHECK-PPCLEEABI-SAME: "{{[^"]*}}libclang_rt.builtins.a"
 // CHECK-PPCLEEABI-SAME: "-lc"
@@ -465,7 +466,7 @@
 // CHECK-PPC64LEEABI-SAME: "-internal-isystem" "[[INSTALLEDDIR]]{{[/\\]+}}..{{[/\\]+}}lib{{[/\\]+}}clang-runtimes{{[/\\]+[^"]*}}include{{[/\\]+}}c++{{[/\\]+}}v1"
 // CHECK-PPC64LEEABI-SAME: "-internal-isystem" "[[RESOURCE]]{{[/\\]+}}include"
 // CHECK-PPC64LEEABI-SAME: "-internal-isystem" "[[INSTALLEDDIR]]{{[/\\]+}}..{{[/\\]+}}lib{{[/\\]+}}clang-runtimes{{[/\\]+[^"]*}}include"
-// CHECK-PPC64LEEABI-NEXT: ld{{(.exe)?}}" "{{.*}}.o" "-Bstatic"
+// CHECK-PPC64LEEABI-NEXT: ld{{(.exe)?}}" "-Bstatic"
 // CHECK-PPC64LEEABI-SAME: "-L[[INSTALLEDDIR]]{{[/\\]+}}..{{[/\\]+}}lib{{[/\\]+}}clang-runtimes{{[/\\]+[^"]*}}lib"
 // CHECK-PPC64LEEABI-SAME: "{{[^"]*}}libclang_rt.builtins.a"
 // CHECK-PPC64LEEABI-SAME: "-lc"
diff --git a/clang/test/Driver/riscv-args.c b/clang/test/Driver/riscv-args.c
index cab08e5b0f811..fc35407baf2cc 100644
--- a/clang/test/Driver/riscv-args.c
+++ b/clang/test/Driver/riscv-args.c
@@ -3,4 +3,4 @@
 // Make sure -T is the last with gcc-toolchain option
 // RUN: %clang -### --target=riscv32 --gcc-toolchain= -Xlinker --defsym=FOO=10 -T a.lds -u foo %s 2>&1 \
 // RUN:   | FileCheck -check-prefix=CHECK-LD %s
-// CHECK-LD: {{.*}} "--defsym=FOO=10" {{.*}} "-u" "foo" {{.*}} "-T" "a.lds"
+// CHECK-LD: {{.*}} "-T" "a.lds" "-u" "foo" {{.*}} "--defsym=FOO=10"
diff --git a/clang/test/Driver/riscv32-toolchain-extra.c b/clang/test/Driver/riscv32-toolchain-extra.c
index cbb3c23ebb342..420f7b5203609 100644
--- a/clang/test/Driver/riscv32-toolchain-extra.c
+++ b/clang/test/Driver/riscv32-toolchain-extra.c
@@ -18,12 +18,12 @@
 // RUN: ln -s %S/Inputs/basic_riscv32_nogcc_tree/riscv32-unknown-elf %t/riscv32-nogcc/riscv32-unknown-elf
 // RUN: %t/riscv32-nogcc/bin/clang %s -### -no-canonical-prefixes \
 // RUN:    --gcc-toolchain=%t/riscv32-nogcc/invalid \
-// RUN:    --target=riscv32-unknown-elf --rtlib=platform -fuse-ld= 2>&1 \
+// RUN:    --target=riscv32-unknown-elf --rtlib=platform -fuse-ld=ld 2>&1 \
 // RUN:    | FileCheck -check-prefix=C-RV32-BAREMETAL-ILP32-NOGCC %s
 
 // RUN: %t/riscv32-nogcc/bin/clang %s -### -no-canonical-prefixes \
 // RUN:    --sysroot=%t/riscv32-nogcc/bin/../riscv32-unknown-elf \
-// RUN:    --target=riscv32-unknown-elf --rtlib=platform -fuse-ld= 2>&1 \
+// RUN:    --target=riscv32-unknown-elf --rtlib=platform -fuse-ld=ld 2>&1 \
 // RUN:    | FileCheck -check-prefix=C-RV32-BAREMETAL-ILP32-NOGCC %s
 
 // C-RV32-BAREMETAL-ILP32-NOGCC: "-internal-isystem" "{{.*}}/riscv32-nogcc/bin/../riscv32-unknown-elf/include"
@@ -31,6 +31,5 @@
 // C-RV32-BAREMETAL-ILP32-NOGCC: "{{.*}}/riscv32-nogcc/bin/../riscv32-unknown-elf/lib/crt0.o"
 // C-RV32-BAREMETAL-ILP32-NOGCC: "{{.*}}/riscv32-nogcc/{{.*}}/riscv32-unknown-unknown-elf/clang_rt.crtbegin.o"
 // C-RV32-BAREMETAL-ILP32-NOGCC: "{{.*}}/riscv32-nogcc/bin/../riscv32-unknown-elf/lib"
-// C-RV32-BAREMETAL-ILP32-NOGCC: "--start-group" "-lc" "-lgloss" "--end-group"
-// C-RV32-BAREMETAL-ILP32-NOGCC: "{{.*}}/riscv32-nogcc/{{.*}}/riscv32-unknown-unknown-elf/libclang_rt.builtins.a"
+// C-RV32-BAREMETAL-ILP32-NOGCC: "--start-group" "{{.*}}/riscv32-nogcc/{{.*}}/riscv32-unknown-unknown-elf/libclang_rt.builtins.a" "-lc" "-lgloss" "--end-group"
 // C-RV32-BAREMETAL-ILP32-NOGCC: "{{.*}}/riscv32-nogcc/{{.*}}/riscv32-unknown-unknown-elf/clang_rt.crtend.o"
diff --git a/clang/test/Driver/riscv32-toolchain.c b/clang/test/Driver/riscv32-toolchain.c
index 50db13f8294c1..ae116b154b661 100644
--- a/clang/test/Driver/riscv32-toolchain.c
+++ b/clang/test/Driver/riscv32-toolchain.c
@@ -28,7 +28,7 @@
 // C-RV32-BAREMETAL-ILP32: "{{.*}}/Inputs/basic_riscv32_tree/lib/gcc/riscv32-unknown-elf/8.0.1/crtbegin.o"
 // C-RV32-BAREMETAL-ILP32: "-L{{.*}}/Inputs/basic_riscv32_tree/lib/gcc/riscv32-unknown-elf/8.0.1"
 // C-RV32-BAREMETAL-ILP32: "-L{{.*}}/Inputs/basic_riscv32_tree/riscv32-unknown-elf/lib"
-// C-RV32-BAREMETAL-ILP32: "--start-group" "-lc" "-lgloss" "--end-group" "-lgcc"
+// C-RV32-BAREMETAL-ILP32: "--start-group" "-lgcc" "-lc" "-lgloss" "--end-group"
 // C-RV32-BAREMETAL-ILP32: "{{.*}}/Inputs/basic_riscv32_tree/lib/gcc/riscv32-unknown-elf/8.0.1/crtend.o"
 
 // RUN: %clang -### %s -fuse-ld= \
@@ -42,7 +42,7 @@
 // C-RV32-BAREMETAL-NOSYSROOT-ILP32: "{{.*}}/Inputs/basic_riscv32_tree/lib/gcc/riscv32-unknown-elf/8.0.1/crtbegin.o"
 // C-RV32-BAREMETAL-NOSYSROOT-ILP32: "-L{{.*}}/Inputs/basic_riscv32_tree/lib/gcc/riscv32-unknown-elf/8.0.1"
 // C-RV32-BAREMETAL-NOSYSROOT-ILP32: "-L{{.*}}/Inputs/basic_riscv32_tree/lib/gcc/riscv32-unknown-elf/8.0.1/../../../../riscv32-unknown-elf/lib"
-// C-RV32-BAREMETAL-NOSYSROOT-ILP32: "--start-group" "-lc" "-lgloss" "--end-group" "-lgcc"
+// C-RV32-BAREMETAL-NOSYSROOT-ILP32: "--start-group" "-lgcc" "-lc" "-lgloss" "--end-group"
 // C-RV32-BAREMETAL-NOSYSROOT-ILP32: "{{.*}}/Inputs/basic_riscv32_tree/lib/gcc/riscv32-unknown-elf/8.0.1/crtend.o"
 
 // RUN: %clangxx -### %s -fuse-ld= \
@@ -58,7 +58,7 @@
 // CXX-RV32-BAREMETAL-ILP32: "{{.*}}/Inputs/basic_riscv32_tree/lib/gcc/riscv32-unknown-elf/8.0.1/crtbegin.o"
 // CXX-RV32-BAREMETAL-ILP32: "-L{{.*}}/Inputs/basic_riscv32_tree/lib/gcc/riscv32-unknown-elf/8.0.1"
 // CXX-RV32-BAREMETAL-ILP32: "-L{{.*}}/Inputs/basic_riscv32_tree/riscv32-unknown-elf/lib"
-// CXX-RV32-BAREMETAL-ILP32: "-lstdc++" "-lm" "--start-group" "-lc" "-lgloss" "--end-group" "-lgcc"
+// CXX-RV32-BAREMETAL-ILP32: "-lstdc++" "-lm" "--start-group" "-lgcc" "-lc" "-lgloss" "--end-group"
 // CXX-RV32-BAREMETAL-ILP32: "{{.*}}/Inputs/basic_riscv32_tree/lib/gcc/riscv32-unknown-elf/8.0.1/crtend.o"
 
 // RUN: %clangxx -### %s -fuse-ld= \
@@ -73,7 +73,7 @@
 // CXX-RV32-BAREMETAL-NOSYSROOT-ILP32: "{{.*}}/Inputs/basic_riscv32_tree/lib/gcc/riscv32-unknown-elf/8.0.1/crtbegin.o"
 // CXX-RV32-BAREMETAL-NOSYSROOT-ILP32: "-L{{.*}}/Inputs/basic_riscv32_tree/lib/gcc/riscv32-unknown-elf/8.0.1"
 // CXX-RV32-BAREMETAL-NOSYSROOT-ILP32: "-L{{.*}}/Inputs/basic_riscv32_tree/lib/gcc/riscv32-unknown-elf/8.0.1/../../../../riscv32-unknown-elf/lib"
-// CXX-RV32-BAREMETAL-NOSYSROOT-ILP32: "-lstdc++" "-lm" "--start-group" "-lc" "-lgloss" "--end-group" "-lgcc"
+// CXX-RV32-BAREMETAL-NOSYSROOT-ILP32: "-lstdc++" "-lm" "--start-group" "-lgcc" "-lc" "-lgloss" "--end-group"
 // CXX-RV32-BAREMETAL-NOSYSROOT-ILP32: "{{.*}}/Inputs/basic_riscv32_tree/lib/gcc/riscv32-unknown-elf/8.0.1/crtend.o"
 
 // RUN: env "PATH=" %clang -### %s -fuse-ld=ld -no-pie \
@@ -117,7 +117,7 @@
 // C-RV32I-BAREMETAL-MULTI-ILP32: "{{.*}}/Inputs/multilib_riscv_elf_sdk/lib/gcc/riscv64-unknown-elf/8.2.0/rv32imac/ilp32/crtbegin.o"
 // C-RV32I-BAREMETAL-MULTI-ILP32: "-L{{.*}}/Inputs/multilib_riscv_elf_sdk/lib/gcc/riscv64-unknown-elf/8.2.0"
 // C-RV32I-BAREMETAL-MULTI-ILP32: "-L{{.*}}/Inputs/multilib_riscv_elf_sdk/lib/gcc/riscv64-unknown-elf/8.2.0/../../../../riscv64-unknown-elf/lib"
-// C-RV32I-BAREMETAL-MULTI-ILP32: "--start-group" "-lc" "-lgloss" "--end-group" "-lgcc"
+// C-RV32I-BAREMETAL-MULTI-ILP32: "--start-group" "-lgcc" "-lc" "-lgloss" "--end-group"
 // C-RV32I-BAREMETAL-MULTI-ILP32: "{{.*}}/Inputs/multilib_riscv_elf_sdk/lib/gcc/riscv64-unknown-elf/8.2.0/rv32imac/ilp32/crtend.o"
 
 // RUN: env "PATH=" %clang -### %s -fuse-ld=ld \
@@ -132,7 +132,7 @@
 // C-RV32IM-BAREMETAL-MULTI-ILP32: "{{.*}}/Inputs/multilib_riscv_elf_sdk/lib/gcc/riscv64-unknown-elf/8.2.0/rv32im/ilp32/crtbegin.o"
 // C-RV32IM-BAREMETAL-MULTI-ILP32: "-L{{.*}}/Inputs/multilib_riscv_elf_sdk/lib/gcc/riscv64-unknown-elf/8.2.0"
 // C-RV32IM-BAREMETAL-MULTI-ILP32: "-L{{.*}}/Inputs/multilib_riscv_elf_sdk/lib/gcc/riscv64-unknown-elf/8.2.0/../../../../riscv64-unknown-elf/lib"
-// C-RV32IM-BAREMETAL-MULTI-ILP32: "--start-group" "-lc" "-lgloss" "--end-group" "-lgcc"
+// C-RV32IM-BAREMETAL-MULTI-ILP32: "--start-group" "-lgcc" "-lc" "-lgloss" "--end-group"
 // C-RV32IM-BAREMETAL-MULTI-ILP32: "{{.*}}/Inputs/multilib_riscv_elf_sdk/lib/gcc/riscv64-unknown-elf/8.2.0/rv32im/ilp32/crtend.o"
 
 // RUN: env "PATH=" %clang -### %s -fuse-ld=ld \
@@ -147,7 +147,7 @@
 // C-RV32IAC-BAREMETAL-MULTI-ILP32: "{{.*}}/Inputs/multilib_riscv_elf_sdk/lib/gcc/riscv64-unknown-elf/8.2.0/rv32iac/ilp32/crtbegin.o"
 // C-RV32IAC-BAREMETAL-MULTI-ILP32: "-L{{.*}}/Inputs/multilib_riscv_elf_sdk/lib/gcc/riscv64-unknown-elf/8.2.0"
 // C-RV32IAC-BAREMETAL-MULTI-ILP32: "-L{{.*}}/Inputs/multilib_riscv_elf_sdk/lib/gcc/riscv64-unknown-elf/8.2.0/../../../../riscv64-unknown-elf/lib"
-// C-RV32IAC-BAREMETAL-MULTI-ILP32: "--start-group" "-lc" "-lgloss" "--end-group" "-lgcc"
+// C-RV32IAC-BAREMETAL-MULTI-ILP32: "--start-group" "-lgcc" "-lc" "-lgloss" "--end-group"
 // C-RV32IAC-BAREMETAL-MULTI-ILP32: "{{.*}}/Inputs/multilib_riscv_elf_sdk/lib/gcc/riscv64-unknown-elf/8.2.0/rv32iac/ilp32/crtend.o"
 
 // RUN: env "PATH=" %clang -### %s -fuse-ld=ld \
@@ -162,7 +162,7 @@
 // C-RV32IMAC-BAREMETAL-MULTI-ILP32: "{{.*}}/Inputs/multilib_riscv_elf_sdk/lib/gcc/riscv64-unknown-elf/8.2.0/rv32imac/ilp32/crtbegin.o"
 // C-RV32IMAC-BAREMETAL-MULTI-ILP32: "-L{{.*}}/Inputs/multilib_riscv_elf_sdk/lib/gcc/riscv64-unknown-elf/8.2.0"
 // C-RV32IMAC-BAREMETAL-MULTI-ILP32: "-L{{.*}}/Inputs/multilib_riscv_elf_sdk/lib/gcc/riscv64-unknown-elf/8.2.0/../../../../riscv64-unknown-elf/lib"
-// C-RV32IMAC-BAREMETAL-MULTI-ILP32: "--start-group" "-lc" "-lgloss" "--end-group" "-lgcc"
+// C-RV32IMAC-BAREMETAL-MULTI-ILP32: "--start-group" "-lgcc" "-lc" "-lgloss" "--end-group"
 // C-RV32IMAC-BAREMETAL-MULTI-ILP32: "{{.*}}/Inputs/multilib_riscv_elf_sdk/lib/gcc/riscv64-unknown-elf/8.2.0/rv32imac/ilp32/crtend.o"
 
 // RUN: env "PATH=" %clang -### %s -fuse-ld=ld \
@@ -177,7 +177,7 @@
 // C-RV32IMAFC-BAREMETAL-MULTI-ILP32F: "{{.*}}/Inputs/multilib_riscv_elf_sdk/lib/gcc/riscv64-unknown-elf/8.2.0/rv32imafc/ilp32f/crtbegin.o"
 // C-RV32IMAFC-BAREMETAL-MULTI-ILP32F: "-L{{.*}}/Inputs/multilib_riscv_elf_sdk/lib/gcc/riscv64-unknown-elf/8.2.0"
 // C-RV32IMAFC-BAREMETAL-MULTI-ILP32F: "-L{{.*}}/Inputs/multilib_riscv_elf_sdk/lib/gcc/riscv64-unknown-elf/8.2.0/../../../../riscv64-unknown-elf/lib"
-// C-RV32IMAFC-BAREMETAL-MULTI-ILP32F: "--start-group" "-lc" "-lgloss" "--end-group" "-lgcc"
+// C-RV32IMAFC-BAREMETAL-MULTI-ILP32F: "--start-group" "-lgcc" "-lc" "-lgloss" "--end-group"
 // C-RV32IMAFC-BAREMETAL-MULTI-ILP32F: "{{.*}}/Inputs/multilib_riscv_elf_sdk/lib/gcc/riscv64-unknown-elf/8.2.0/rv32imafc/ilp32f/crtend.o"
 
 // Check that --rtlib can be used to override the used runtime library
@@ -187,7 +187,7 @@
 // RUN:   | FileCheck -check-prefix=C-RV32-RTLIB-LIBGCC-ILP32 %s
 // C-RV32-RTLIB-LIBGCC-ILP32: "{{.*}}crt0.o"
 // C-RV32-RTLIB-LIBGCC-ILP32: "{{.*}}crtbegin.o"
-// C-RV32-RTLIB-LIBGCC-ILP32: "--start-group" "-lc" "-lgloss" "--end-group" "-lgcc"
+// C-RV32-RTLIB-LIBGCC-ILP32: "--start-group" "-lgcc" "-lc" "-lgloss" "--end-group"
 // C-RV32-RTLIB-LIBGCC-ILP32: "{{.*}}crtend.o"
 
 // RUN: %clang -### %s \
@@ -196,7 +196,7 @@
 // RUN:   | FileCheck -check-prefix=C-RV32-RTLIB-COMPILERRT-ILP32 %s
 // C-RV32-RTLIB-COMPILERRT-ILP32: "{{.*}}crt0.o"
 // C-RV32-RTLIB-COMPILERRT-ILP32: "{{.*}}clang_rt.crtbegin.o"
-// C-RV32-RTLIB-COMPILERRT-ILP32: "--start-group" "-lc" "-lgloss" "--end-group" "{{.*}}libclang_rt.builtins.a"
+// C-RV32-RTLIB-COMPILERRT-ILP32: "--start-group" "{{.*}}libclang_rt.builtins.a" "-lc" "-lgloss" "--end-group"
 // C-RV32-RTLIB-COMPILERRT-ILP32: "{{.*}}clang_rt.crtend.o"
 
 // RUN: %clang -### %s --target=riscv32 \
diff --git a/clang/test/Driver/riscv64-toolchain-extra.c b/clang/test/Driver/riscv64-toolchain-extra.c
index 99460a3030d3a..87bcdeb651a1e 100644
--- a/clang/test/Driver/riscv64-toolchain-extra.c
+++ b/clang/test/Driver/riscv64-toolchain-extra.c
@@ -18,12 +18,12 @@
 // RUN: ln -s %S/Inputs/basic_riscv64_nogcc_tree/riscv64-unknown-elf %t/riscv64-nogcc/riscv64-unknown-elf
 // RUN: %t/riscv64-nogcc/bin/clang %s -### -no-canonical-prefixes \
 // RUN:    --gcc-toolchain=%t/riscv64-nogcc/invalid \
-// RUN:    --target=riscv64-unknown-elf --rtlib=platform -fuse-ld= 2>&1 \
+// RUN:    --target=riscv64-unknown-elf --rtlib=platform -fuse-ld=ld 2>&1 \
 // RUN:    | FileCheck -check-prefix=C-RV64-BAREMETAL-LP64-NOGCC %s
 
 // RUN: %t/riscv64-nogcc/bin/clang %s -### -no-canonical-prefixes \
 // RUN:    --sysroot=%t/riscv64-nogcc/bin/../riscv64-unknown-elf \
-// RUN:    --target=riscv64-unknown-elf --rtlib=platform -fuse-ld= 2>&1 \
+// RUN:    --target=riscv64-unknown-elf --rtlib=platform -fuse-ld=ld 2>&1 \
 // RUN:    | FileCheck -check-prefix=C-RV64-BAREMETAL-LP64-NOGCC %s
 
 // C-RV64-BAREMETAL-LP64-NOGCC: "-internal-isystem" "{{.*}}/riscv64-nogcc/bin/../riscv64-unknown-elf/include"
@@ -31,6 +31,5 @@
 // C-RV64-BAREMETAL-LP64-NOGCC: "{{.*}}/riscv64-nogcc/bin/../riscv64-unknown-elf/lib/crt0.o"
 // C-RV64-BAREMETAL-LP64-NOGCC: "{{.*}}/riscv64-nogcc/{{.*}}/riscv64-unknown-unknown-elf/clang_rt.crtbegin.o"
 // C-RV64-BAREMETAL-LP64-NOGCC: "{{.*}}/riscv64-nogcc/bin/../riscv64-unknown-elf/lib"
-// C-RV64-BAREMETAL-LP64-NOGCC: "--start-group" "-lc" "-lgloss" "--end-group"
-// C-RV64-BAREMETAL-LP64-NOGCC: "{{.*}}/riscv64-nogcc/{{.*}}/riscv64-unknown-unknown-elf/libclang_rt.builtins.a"
+// C-RV64-BAREMETAL-LP64-NOGCC: "--start-group" "{{.*}}/riscv64-nogcc/{{.*}}/riscv64-unknown-unknown-elf/libclang_rt.builtins.a" "-lc" "-lgloss" "--end-group"
 // C-RV64-BAREMETAL-LP64-NOGCC: "{{.*}}/riscv64-nogcc/{{.*}}/riscv64-unknown-unknown-elf/clang_rt.crtend.o"
diff --git a/clang/test/Driver/riscv64-toolchain.c b/clang/test/Driver/riscv64-toolchain.c
index 06d5f50f3f408..1550f46af8c9c 100644
--- a/clang/test/Driver/riscv64-toolchain.c
+++ b/clang/test/Driver/riscv64-toolchain.c
@@ -28,7 +28,7 @@
 // C-RV64-BAREMETAL-LP64: "{{.*}}/Inputs/basic_riscv64_tree/lib/gcc/riscv64-unknown-elf/8.0.1/crtbegin.o"
 // C-RV64-BAREMETAL-LP64: "-L{{.*}}/Inputs/basic_riscv64_tree/lib/gcc/riscv64-unknown-elf/8.0.1"
 // C-RV64-BAREMETAL-LP64: "-L{{.*}}/Inputs/basic_riscv64_tree/riscv64-unknown-elf/lib"
-// C-RV64-BAREMETAL-LP64: "--start-group" "-lc" "-lgloss" "--end-group" "-lgcc"
+// C-RV64-BAREMETAL-LP64: "--start-group" "-lgcc" "-lc" "-lgloss" "--end-group"
 // C-RV64-BAREMETAL-LP64: "{{.*}}/Inputs/basic_riscv64_tree/lib/gcc/riscv64-unknown-elf/8.0.1/crtend.o"
 
 // RUN: env "PATH=" %clang -### %s -fuse-ld= \
@@ -42,7 +42,7 @@
 // C-RV64-BAREMETAL-NOSYSROOT-LP64: "{{.*}}/Inputs/basic_riscv64_tree/lib/gcc/riscv64-unknown-elf/8.0.1/crtbegin.o"
 // C-RV64-BAREMETAL-NOSYSROOT-LP64: "-L{{.*}}/Inputs/basic_riscv64_tree/lib/gcc/riscv64-unknown-elf/8.0.1"
 // C-RV64-BAREMETAL-NOSYSROOT-LP64: "-L{{.*}}/Inputs/basic_riscv64_tree/lib/gcc/riscv64-unknown-elf/8.0.1/../../../../riscv64-unknown-elf/lib"
-// C-RV64-BAREMETAL-NOSYSROOT-LP64: "--start-group" "-lc" "-lgloss" "--end-group" "-lgcc"
+// C-RV64-BAREMETAL-NOSYSROOT-LP64: "--start-group" "-lgcc" "-lc" "-lgloss" "--end-group"
 // C-RV64-BAREMETAL-NOSYSROOT-LP64: "{{.*}}/Inputs/basic_riscv64_tree/lib/gcc/riscv64-unknown-elf/8.0.1/crtend.o"
 
 // RUN: env "PATH=" %clangxx -### %s -fuse-ld= \
@@ -58,7 +58,7 @@
 // CXX-RV64-BAREMETAL-LP64: "{{.*}}/Inputs/basic_riscv64_tree/lib/gcc/riscv64-unknown-elf/8.0.1/crtbegin.o"
 // CXX-RV64-BAREMETAL-LP64: "-L{{.*}}/Inputs/basic_riscv64_tree/lib/gcc/riscv64-unknown-elf/8.0.1"
 // CXX-RV64-BAREMETAL-LP64: "-L{{.*}}/Inputs/basic_riscv64_tree/riscv64-unknown-elf/lib"
-// CXX-RV64-BAREMETAL-LP64: "-lstdc++" "-lm" "--start-group" "-lc" "-lgloss" "--end-group" "-lgcc"
+// CXX-RV64-BAREMETAL-LP64: "-lstdc++" "-lm" "--start-group" "-lgcc" "-lc" "-lgloss" "--end-group"
 // CXX-RV64-BAREMETAL-LP64: "{{.*}}/Inputs/basic_riscv64_tree/lib/gcc/riscv64-unknown-elf/8.0.1/crtend.o"
 
 // RUN: env "PATH=" %clangxx -### %s -fuse-ld= \
@@ -73,7 +73,7 @@
 // CXX-RV64-BAREMETAL-NOSYSROOT-LP64: "{{.*}}/Inputs/basic_riscv64_tree/lib/gcc/riscv64-unknown-elf/8.0.1/crtbegin.o"
 // CXX-RV64-BAREMETAL-NOSYSROOT-LP64: "-L{{.*}}/Inputs/basic_riscv64_tree/lib/gcc/riscv64-unknown-elf/8.0.1"
 // CXX-RV64-BAREMETAL-NOSYSROOT-LP64: "-L{{.*}}/Inputs/basic_riscv64_tree/lib/gcc/riscv64-unknown-elf/8.0.1/../../../../riscv64-unknown-elf/lib"
-// CXX-RV64-BAREMETAL-NOSYSROOT-LP64: "-lstdc++" "-lm" "--start-group" "-lc" "-lgloss" "--end-group" "-lgcc"
+// CXX-RV64-BAREMETAL-NOSYSROOT-LP64: "-lstdc++" "-lm" "--start-group" "-lgcc" "-lc" "-lgloss" "--end-group"
 // CXX-RV64-BAREMETAL-NOSYSROOT-LP64: "{{.*}}/Inputs/basic_riscv64_tree/lib/gcc/riscv64-unknown-elf/8.0.1/crtend.o"
 
 // RUN: env "PATH=" %clang -### %s -fuse-ld= -no-pie \
@@ -118,7 +118,7 @@
 // C-RV64IMAC-BAREMETAL-MULTI-LP64: "{{.*}}/Inputs/multilib_riscv_elf_sdk/lib/gcc/riscv64-unknown-elf/8.2.0/rv64imac/lp64/crtbegin.o"
 // C-RV64IMAC-BAREMETAL-MULTI-LP64: "-L{{.*}}/Inputs/multilib_riscv_elf_sdk/lib/gcc/riscv64-unknown-elf/8.2.0"
 // C-RV64IMAC-BAREMETAL-MULTI-LP64: "-L{{.*}}/Inputs/multilib_riscv_elf_sdk/lib/gcc/riscv64-unknown-elf/8.2.0/../../../../riscv64-unknown-elf/lib"
-// C-RV64IMAC-BAREMETAL-MULTI-LP64: "--start-group" "-lc" "-lgloss" "--end-group" "-lgcc"
+// C-RV64IMAC-BAREMETAL-MULTI-LP64: "--start-group" "-lgcc" "-lc" "-lgloss" "--end-group"
 // C-RV64IMAC-BAREMETAL-MULTI-LP64: "{{.*}}/Inputs/multilib_riscv_elf_sdk/lib/gcc/riscv64-unknown-elf/8.2.0/rv64imac/lp64/crtend.o"
 
 // RUN: env "PATH=" %clang -### %s -fuse-ld=ld \
@@ -133,7 +133,7 @@
 // C-RV64IMAFDC-BAREMETAL-MULTI-ILP64D: "{{.*}}/Inputs/multilib_riscv_elf_sdk/lib/gcc/riscv64-unknown-elf/8.2.0/rv64imafdc/lp64d/crtbegin.o"
 // C-RV64IMAFDC-BAREMETAL-MULTI-ILP64D: "-L{{.*}}/Inputs/multilib_riscv_elf_sdk/lib/gcc/riscv64-unknown-elf/8.2.0"
 // C-RV64IMAFDC-BAREMETAL-MULTI-ILP64D: "-L{{.*}}/Inputs/multilib_riscv_elf_sdk/lib/gcc/riscv64-unknown-elf/8.2.0/../../../../riscv64-unknown-elf/lib"
-// C-RV64IMAFDC-BAREMETAL-MULTI-ILP64D: "--start-group" "-lc" "-lgloss" "--end-group" "-lgcc"
+// C-RV64IMAFDC-BAREMETAL-MULTI-ILP64D: "--start-group" "-lgcc" "-lc" "-lgloss" "--end-group"
 // C-RV64IMAFDC-BAREMETAL-MULTI-ILP64D: "{{.*}}/Inputs/multilib_riscv_elf_sdk/lib/gcc/riscv64-unknown-elf/8.2.0/rv64imafdc/lp64d/crtend.o"
 
 // Check that --rtlib can be used to override the used runtime library
@@ -143,7 +143,7 @@
 // RUN:   | FileCheck -check-prefix=C-RV64-RTLIB-LIBGCC-LP64 %s
 // C-RV64-RTLIB-LIBGCC-LP64: "{{.*}}crt0.o"
 // C-RV64-RTLIB-LIBGCC-LP64: "{{.*}}crtbegin.o"
-// C-RV64-RTLIB-LIBGCC-LP64: "--start-group" "-lc" "-lgloss" "--end-group" "-lgcc"
+// C-RV64-RTLIB-LIBGCC-LP64: "--start-group" "-lgcc" "-lc" "-lgloss" "--end-group"
 // C-RV64-RTLIB-LIBGCC-LP64: "{{.*}}crtend.o"
 
 // RUN: %clang -### %s \
@@ -152,7 +152,7 @@
 // RUN:   | FileCheck -check-prefix=C-RV64-RTLIB-COMPILERRT-LP64 %s
 // C-RV64-RTLIB-COMPILERRT-LP64: "{{.*}}crt0.o"
 // C-RV64-RTLIB-COMPILERRT-LP64: "{{.*}}clang_rt.crtbegin.o"
-// C-RV64-RTLIB-COMPILERRT-LP64: "--start-group" "-lc" "-lgloss" "--end-group" "{{.*}}libclang_rt.builtins.a"
+// C-RV64-RTLIB-COMPILERRT-LP64: "--start-group" "{{.*}}libclang_rt.builtins.a" "-lc" "-lgloss" "--end-group"
 // C-RV64-RTLIB-COMPILERRT-LP64: "{{.*}}clang_rt.crtend.o"
 
 // RUN: %clang -### %s --target=riscv64 \
@@ -171,7 +171,7 @@
 
 // RUN: %clang --target=riscv64 %s -emit-llvm -S -o - | FileCheck %s
 
-// Check that "--no-relax" is forwarded to the linker for RISC-V (RISCVToolchain.cpp).
+// Check that "--no-relax" is forwarded to the linker for RISC-V.
 // RUN: env "PATH=" %clang %s -### 2>&1 -mno-relax \
 // RUN:   --target=riscv64-unknown-elf --rtlib=platform --unwindlib=platform --sysroot= \
 // RUN:   -march=rv64imac -mabi=lp64\
@@ -179,7 +179,7 @@
 // RUN:   | FileCheck --check-prefix=CHECK-RV64-NORELAX %s
 // CHECK-RV64-NORELAX: "--no-relax"
 
-// Check that "--no-relax" is not forwarded to the linker for RISC-V (RISCVToolchain.cpp).
+// Check that "--no-relax" is not forwarded to the linker for RISC-V.
 // RUN:env "PATH=" %clang %s -### 2>&1 \
 // RUN:   --target=riscv64-unknown-elf --rtlib=platform --unwindlib=platform --sysroot= \
 // RUN:   -march=rv64imac -mabi=lp64\