Supports Sourcery CodeBench Mips toolchain directories tree.

Sourcery CodeBench and modern FSF Mips toolchains require a bit more
complicated algorithm to calculate headers, libraries and sysroot paths
than implemented by Clang driver now. The main problem is that all these
paths depend on a set of command line arguments additionally to a target
triple value. For example, let $TC is a toolchain installation directory.
If we compile big-endian 32-bit mips code, crtbegin.o is in the
$TC/lib/gcc/mips-linux-gnu/4.7.2 folder and the toolchain's linker requires
--sysroot=$TC/mips-linux-gnu/libc argument. If we compile little-endian
32-bit soft-float mips code, crtbegin.o is in the
$TC/lib/gcc/mips-linux-gnu/4.7.2/soft-float/el folder and the toolchain's
linker requires --sysroot=$TC/mips-linux-gnu/libc/soft-float/el argument.

1. Calculate MultiarchSuffix using all necessary command line options and
   use this MultiarchSuffix to detect crtbegin.o location in the
   GCCInstallationDetector::ScanLibDirForGCCTriple() routine.
2. If a user does not provide --sysroot argument to the driver explicitly,
   calculate new sysroot value based on command line options. Then use this
   calculated sysroot path:
   a. To populate a file search paths list in the Linux::Linux() constructor.
   b. To find Mips toolchain specific include headers directories
      in the Linux::AddClangSystemIncludeArgs() routine.
   c. To provide -–sysroot argument for a linker.

Note:
- The FSF's tree slightly differs (folder names) and is not supported
  yet.
- New addExternCSystemIncludeIfExits() routine is a temporary solution.
  I plan to move path existence check to the addExternCSystemInclude()
  routine by a separate commit.

The patch reviewed by Rafael Espindola.
http://llvm-reviews.chandlerc.com/D644

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179934 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/include/clang/Driver/ToolChain.h b/include/clang/Driver/ToolChain.h
index 4f236b7b643a205d31336281fcc3880183ed5cae..aae3d79936b68ac8324a8dc3c037f46c3bf1d405 100644 (file)
--- a/include/clang/Driver/ToolChain.h
+++ b/include/clang/Driver/ToolChain.h
@@ -82,6 +82,9 @@ protected:
   static void addExternCSystemInclude(const ArgList &DriverArgs,
                                       ArgStringList &CC1Args,
                                       const Twine &Path);
+  static void addExternCSystemIncludeIfExists(const ArgList &DriverArgs,
+                                              ArgStringList &CC1Args,
+                                              const Twine &Path);
   static void addSystemIncludes(const ArgList &DriverArgs,
                                 ArgStringList &CC1Args,
                                 ArrayRef<StringRef> Paths);

diff --git a/lib/Driver/ToolChain.cpp b/lib/Driver/ToolChain.cpp
index 19270b2aa33fcde9a08da146d8eb9ccad34e28ea..71f53933e2af466e09af4f4d82cef292dbe8a12e 100644 (file)
--- a/lib/Driver/ToolChain.cpp
+++ b/lib/Driver/ToolChain.cpp
@@ -19,6 +19,7 @@
 #include "clang/Driver/Options.h"
 #include "llvm/ADT/StringSwitch.h"
 #include "llvm/Support/ErrorHandling.h"
+#include "llvm/Support/FileSystem.h"
 using namespace clang::driver;
 using namespace clang;
 
@@ -333,6 +334,13 @@ ToolChain::CXXStdlibType ToolChain::GetCXXStdlibType(const ArgList &Args) const{
   CC1Args.push_back(DriverArgs.MakeArgString(Path));
 }
 
+void ToolChain::addExternCSystemIncludeIfExists(const ArgList &DriverArgs,
+                                                ArgStringList &CC1Args,
+                                                const Twine &Path) {
+  if (llvm::sys::fs::exists(Path))
+    addExternCSystemInclude(DriverArgs, CC1Args, Path);
+}
+
 /// \brief Utility function to add a list of system include directories to CC1.
 /*static*/ void ToolChain::addSystemIncludes(const ArgList &DriverArgs,
                                              ArgStringList &CC1Args,

diff --git a/lib/Driver/ToolChains.cpp b/lib/Driver/ToolChains.cpp
index 36ff722e4f3b35a3dc21c1d67e354fa6a84025dd..20a889742262996ad1df0752ff00ece5d81a2f70 100644 (file)
--- a/lib/Driver/ToolChains.cpp
+++ b/lib/Driver/ToolChains.cpp
@@ -1121,7 +1121,8 @@ Generic_GCC::GCCInstallationDetector::GCCInstallationDetector(
   static const char *const MIPSELLibDirs[] = { "/lib" };
   static const char *const MIPSELTriples[] = {
     "mipsel-linux-gnu",
-    "mipsel-linux-android"
+    "mipsel-linux-android",
+    "mips-linux-gnu"
   };
 
   static const char *const MIPS64LibDirs[] = { "/lib64", "/lib" };
@@ -1261,29 +1262,101 @@ Generic_GCC::GCCInstallationDetector::GCCInstallationDetector(
     MultiarchTripleAliases.push_back(MultiarchTriple.str());
 }
 
+static bool isSoftFloatABI(const ArgList &Args) {
+  Arg *A = Args.getLastArg(options::OPT_msoft_float,
+                           options::OPT_mhard_float,
+                           options::OPT_mfloat_abi_EQ);
+  if (!A) return false;
+
+  return A->getOption().matches(options::OPT_msoft_float) ||
+         (A->getOption().matches(options::OPT_mfloat_abi_EQ) &&
+          A->getValue() == StringRef("soft"));
+}
+
+static bool isMipsArch(llvm::Triple::ArchType Arch) {
+  return Arch == llvm::Triple::mips ||
+         Arch == llvm::Triple::mipsel ||
+         Arch == llvm::Triple::mips64 ||
+         Arch == llvm::Triple::mips64el;
+}
+
+static bool isMips16(const ArgList &Args) {
+  Arg *A = Args.getLastArg(options::OPT_mips16,
+                           options::OPT_mno_mips16);
+  return A && A->getOption().matches(options::OPT_mips16);
+}
+
+static bool isMicroMips(const ArgList &Args) {
+  Arg *A = Args.getLastArg(options::OPT_mmicromips,
+                           options::OPT_mno_micromips);
+  return A && A->getOption().matches(options::OPT_mmicromips);
+}
+
 // FIXME: There is the same routine in the Tools.cpp.
 static bool hasMipsN32ABIArg(const ArgList &Args) {
   Arg *A = Args.getLastArg(options::OPT_mabi_EQ);
   return A && (A->getValue() == StringRef("n32"));
 }
 
-static StringRef getTargetMultiarchSuffix(llvm::Triple::ArchType TargetArch,
-                                          const ArgList &Args) {
-  if (TargetArch == llvm::Triple::x86_64 ||
-      TargetArch == llvm::Triple::ppc64)
-    return "/64";
+static void appendMipsTargetSuffix(SmallVectorImpl<char> &Path,
+                                   llvm::Triple::ArchType TargetArch,
+                                   const ArgList &Args) {
+  if (isMips16(Args))
+    llvm::sys::path::append(Path, "/mips16");
+  else if (isMicroMips(Args))
+    llvm::sys::path::append(Path, "/micromips");
+
+  if (isSoftFloatABI(Args))
+    llvm::sys::path::append(Path, "/soft-float");
 
+  if (TargetArch == llvm::Triple::mipsel ||
+      TargetArch == llvm::Triple::mips64el)
+    llvm::sys::path::append(Path, "/el");
+}
+
+static StringRef getMipsTargetABISuffix(llvm::Triple::ArchType TargetArch,
+                                        const ArgList &Args) {
   if (TargetArch == llvm::Triple::mips64 ||
-      TargetArch == llvm::Triple::mips64el) {
-    if (hasMipsN32ABIArg(Args))
-      return "/n32";
-    else
-      return "/64";
-  }
+      TargetArch == llvm::Triple::mips64el)
+    return hasMipsN32ABIArg(Args) ? "/n32" : "/64";
 
   return "/32";
 }
 
+static bool findTargetMultiarchSuffix(SmallString<32> &Suffix,
+                                      StringRef Path,
+                                      llvm::Triple::ArchType TargetArch,
+                                      const ArgList &Args) {
+  if (isMipsArch(TargetArch)) {
+    StringRef ABISuffix = getMipsTargetABISuffix(TargetArch, Args);
+
+    // First build and check a complex path to crtbegin.o
+    // depends on command line options (-mips16, -msoft-float, ...)
+    // like mips-linux-gnu/4.7/mips16/soft-float/el/crtbegin.o
+    appendMipsTargetSuffix(Suffix, TargetArch, Args);
+
+    if (TargetArch == llvm::Triple::mips64 ||
+        TargetArch == llvm::Triple::mips64el)
+      llvm::sys::path::append(Suffix, ABISuffix);
+
+    if (llvm::sys::fs::exists(Path + Suffix.str() + "/crtbegin.o"))
+      return true;
+
+    // Then fall back and probe a simple case like
+    // mips-linux-gnu/4.7/32/crtbegin.o
+    Suffix = ABISuffix;
+    return llvm::sys::fs::exists(Path + Suffix.str() + "/crtbegin.o");
+  }
+
+  if (TargetArch == llvm::Triple::x86_64 ||
+      TargetArch == llvm::Triple::ppc64)
+    Suffix = "/64";
+  else
+    Suffix = "/32";
+
+  return llvm::sys::fs::exists(Path + Suffix.str() + "/crtbegin.o");
+}
+
 void Generic_GCC::GCCInstallationDetector::ScanLibDirForGCCTriple(
     llvm::Triple::ArchType TargetArch, const ArgList &Args,
     const std::string &LibDir,
@@ -1333,8 +1406,10 @@ void Generic_GCC::GCCInstallationDetector::ScanLibDirForGCCTriple(
       // *if* there is a subdirectory of the right name with crtbegin.o in it,
       // we use that. If not, and if not a multiarch triple, we look for
       // crtbegin.o without the subdirectory.
-      StringRef MultiarchSuffix = getTargetMultiarchSuffix(TargetArch, Args);
-      if (llvm::sys::fs::exists(LI->path() + MultiarchSuffix + "/crtbegin.o")) {
+
+      SmallString<32> MultiarchSuffix;
+      if (findTargetMultiarchSuffix(MultiarchSuffix,
+                                    LI->path(), TargetArch, Args)) {
         GCCMultiarchSuffix = MultiarchSuffix.str();
       } else {
         if (NeedsMultiarchSuffix ||
@@ -2049,13 +2124,6 @@ static void addPathIfExists(Twine Path, ToolChain::path_list &Paths) {
   if (llvm::sys::fs::exists(Path)) Paths.push_back(Path.str());
 }
 
-static bool isMipsArch(llvm::Triple::ArchType Arch) {
-  return Arch == llvm::Triple::mips ||
-         Arch == llvm::Triple::mipsel ||
-         Arch == llvm::Triple::mips64 ||
-         Arch == llvm::Triple::mips64el;
-}
-
 static bool isMipsR2Arch(llvm::Triple::ArchType Arch,
                          const ArgList &Args) {
   if (Arch != llvm::Triple::mips &&
@@ -2092,7 +2160,7 @@ static StringRef getMultilibDir(const llvm::Triple &Triple,
 Linux::Linux(const Driver &D, const llvm::Triple &Triple, const ArgList &Args)
   : Generic_ELF(D, Triple, Args) {
   llvm::Triple::ArchType Arch = Triple.getArch();
-  const std::string &SysRoot = getDriver().SysRoot;
+  std::string SysRoot = computeSysRoot(Args);
 
   // OpenSuse stores the linker with the compiler, add that to the search
   // path.
@@ -2113,13 +2181,17 @@ Linux::Linux(const Driver &D, const llvm::Triple &Triple, const ArgList &Args)
     ExtraOpts.push_back("-X");
 
   const bool IsAndroid = Triple.getEnvironment() == llvm::Triple::Android;
+  const bool IsMips = isMipsArch(Arch);
+
+  if (IsMips && !SysRoot.empty())
+    ExtraOpts.push_back("--sysroot=" + SysRoot);
 
   // Do not use 'gnu' hash style for Mips targets because .gnu.hash
   // and the MIPS ABI require .dynsym to be sorted in different ways.
   // .gnu.hash needs symbols to be grouped by hash code whereas the MIPS
   // ABI requires a mapping between the GOT and the symbol table.
   // Android loader does not support .gnu.hash.
-  if (!isMipsArch(Arch) && !IsAndroid) {
+  if (!IsMips && !IsAndroid) {
     if (IsRedhat(Distro) || IsOpenSuse(Distro) ||
         (IsUbuntu(Distro) && Distro >= UbuntuMaverick))
       ExtraOpts.push_back("--hash-style=gnu");
@@ -2184,6 +2256,15 @@ Linux::Linux(const Driver &D, const llvm::Triple &Triple, const ArgList &Args)
     if (IsAndroid) {
       addPathIfExists(LibPath + "/../" + GCCTriple.str() + "/lib", Paths);
     }
+    // Sourcery CodeBench MIPS toolchain holds some libraries under
+    // the parent prefix of the GCC installation.
+    if (IsMips) {
+      SmallString<128> Suffix;
+      appendMipsTargetSuffix(Suffix, Arch, Args);
+      addPathIfExists(LibPath + "/../" + GCCTriple.str() + "/lib/../" +
+                      Multilib + Suffix.str(),
+                      Paths);
+    }
   }
   addPathIfExists(SysRoot + "/lib/" + MultiarchTriple, Paths);
   addPathIfExists(SysRoot + "/lib/../" + Multilib, Paths);
@@ -2239,15 +2320,33 @@ void Linux::addClangTargetOptions(const ArgList &DriverArgs,
     CC1Args.push_back("-fuse-init-array");
 }
 
+std::string Linux::computeSysRoot(const ArgList &Args) const {
+  if (!getDriver().SysRoot.empty())
+    return getDriver().SysRoot;
+
+  if (!GCCInstallation.isValid() || !isMipsArch(getTriple().getArch()))
+    return std::string();
+
+  SmallString<128> Path;
+  llvm::sys::path::append(Path, GCCInstallation.getInstallPath(),
+                                "../../../..",
+                                GCCInstallation.getTriple().str(),
+                                "libc");
+  appendMipsTargetSuffix(Path, getTriple().getArch(), Args);
+
+  return llvm::sys::fs::exists(Path.str()) ? Path.str() : "";
+}
+
 void Linux::AddClangSystemIncludeArgs(const ArgList &DriverArgs,
                                       ArgStringList &CC1Args) const {
   const Driver &D = getDriver();
+  std::string SysRoot = computeSysRoot(DriverArgs);
 
   if (DriverArgs.hasArg(options::OPT_nostdinc))
     return;
 
   if (!DriverArgs.hasArg(options::OPT_nostdlibinc))
-    addSystemInclude(DriverArgs, CC1Args, D.SysRoot + "/usr/local/include");
+    addSystemInclude(DriverArgs, CC1Args, SysRoot + "/usr/local/include");
 
   if (!DriverArgs.hasArg(options::OPT_nobuiltininc)) {
     llvm::sys::Path P(D.ResourceDir);
@@ -2265,7 +2364,7 @@ void Linux::AddClangSystemIncludeArgs(const ArgList &DriverArgs,
     CIncludeDirs.split(dirs, ":");
     for (SmallVectorImpl<StringRef>::iterator I = dirs.begin(), E = dirs.end();
          I != E; ++I) {
-      StringRef Prefix = llvm::sys::path::is_absolute(*I) ? D.SysRoot : "";
+      StringRef Prefix = llvm::sys::path::is_absolute(*I) ? SysRoot : "";
       addExternCSystemInclude(DriverArgs, CC1Args, Prefix + *I);
     }
     return;
@@ -2274,6 +2373,25 @@ void Linux::AddClangSystemIncludeArgs(const ArgList &DriverArgs,
   // Lacking those, try to detect the correct set of system includes for the
   // target triple.
 
+  // Sourcery CodeBench and modern FSF Mips toolchains put extern C
+  // system includes under three additional directories.
+  if (GCCInstallation.isValid() && isMipsArch(getTriple().getArch())) {
+    addExternCSystemIncludeIfExists(DriverArgs, CC1Args,
+                                    GCCInstallation.getInstallPath() +
+                                    "/include");
+
+    addExternCSystemIncludeIfExists(DriverArgs, CC1Args,
+                                    GCCInstallation.getInstallPath() +
+                                    "/include-fixed" +
+                                    GCCInstallation.getMultiarchSuffix());
+
+    addExternCSystemIncludeIfExists(DriverArgs, CC1Args,
+                                    GCCInstallation.getInstallPath() +
+                                    "/../../../../" +
+                                    GCCInstallation.getTriple().str() +
+                                    "/libc/usr/include");
+  }
+
   // Implement generic Debian multiarch support.
   const StringRef X86_64MultiarchIncludeDirs[] = {
     "/usr/include/x86_64-linux-gnu",
@@ -2339,8 +2457,8 @@ void Linux::AddClangSystemIncludeArgs(const ArgList &DriverArgs,
   for (ArrayRef<StringRef>::iterator I = MultiarchIncludeDirs.begin(),
                                      E = MultiarchIncludeDirs.end();
        I != E; ++I) {
-    if (llvm::sys::fs::exists(D.SysRoot + *I)) {
-      addExternCSystemInclude(DriverArgs, CC1Args, D.SysRoot + *I);
+    if (llvm::sys::fs::exists(SysRoot + *I)) {
+      addExternCSystemInclude(DriverArgs, CC1Args, SysRoot + *I);
       break;
     }
   }
@@ -2351,9 +2469,9 @@ void Linux::AddClangSystemIncludeArgs(const ArgList &DriverArgs,
   // Add an include of '/include' directly. This isn't provided by default by
   // system GCCs, but is often used with cross-compiling GCCs, and harmless to
   // add even when Clang is acting as-if it were a system compiler.
-  addExternCSystemInclude(DriverArgs, CC1Args, D.SysRoot + "/include");
+  addExternCSystemInclude(DriverArgs, CC1Args, SysRoot + "/include");
 
-  addExternCSystemInclude(DriverArgs, CC1Args, D.SysRoot + "/usr/include");
+  addExternCSystemInclude(DriverArgs, CC1Args, SysRoot + "/usr/include");
 }
 
 /// \brief Helper to add the three variant paths for a libstdc++ installation.

diff --git a/lib/Driver/ToolChains.h b/lib/Driver/ToolChains.h
index 945acf7a02963dc4ec1bb8758a4d1f5183ff117e..040b6f98ea282a8b261d2694c95b307443de341a 100644 (file)
--- a/lib/Driver/ToolChains.h
+++ b/lib/Driver/ToolChains.h
@@ -530,6 +530,8 @@ private:
   static bool addLibStdCXXIncludePaths(Twine Base, Twine TargetArchDir,
                                        const ArgList &DriverArgs,
                                        ArgStringList &CC1Args);
+
+  std::string computeSysRoot(const ArgList &Args) const;
 };
 
 class LLVM_LIBRARY_VISIBILITY Hexagon_TC : public Linux {

diff --git a/test/Driver/Inputs/mips_cs_tree/bin/.keep b/test/Driver/Inputs/mips_cs_tree/bin/.keep
new file mode 100644 (file)
index 0000000..e69de29

diff --git a/test/Driver/Inputs/mips_cs_tree/lib/gcc/mips-linux-gnu/4.6.3/64/crtbegin.o b/test/Driver/Inputs/mips_cs_tree/lib/gcc/mips-linux-gnu/4.6.3/64/crtbegin.o
new file mode 100644 (file)
index 0000000..e69de29

diff --git a/test/Driver/Inputs/mips_cs_tree/lib/gcc/mips-linux-gnu/4.6.3/64/crtend.o b/test/Driver/Inputs/mips_cs_tree/lib/gcc/mips-linux-gnu/4.6.3/64/crtend.o
new file mode 100644 (file)
index 0000000..e69de29

diff --git a/test/Driver/Inputs/mips_cs_tree/lib/gcc/mips-linux-gnu/4.6.3/crtbegin.o b/test/Driver/Inputs/mips_cs_tree/lib/gcc/mips-linux-gnu/4.6.3/crtbegin.o
new file mode 100644 (file)
index 0000000..e69de29

diff --git a/test/Driver/Inputs/mips_cs_tree/lib/gcc/mips-linux-gnu/4.6.3/crtend.o b/test/Driver/Inputs/mips_cs_tree/lib/gcc/mips-linux-gnu/4.6.3/crtend.o
new file mode 100644 (file)
index 0000000..e69de29

diff --git a/test/Driver/Inputs/mips_cs_tree/lib/gcc/mips-linux-gnu/4.6.3/el/64/crtbegin.o b/test/Driver/Inputs/mips_cs_tree/lib/gcc/mips-linux-gnu/4.6.3/el/64/crtbegin.o
new file mode 100644 (file)
index 0000000..e69de29

diff --git a/test/Driver/Inputs/mips_cs_tree/lib/gcc/mips-linux-gnu/4.6.3/el/64/crtend.o b/test/Driver/Inputs/mips_cs_tree/lib/gcc/mips-linux-gnu/4.6.3/el/64/crtend.o
new file mode 100644 (file)
index 0000000..e69de29

diff --git a/test/Driver/Inputs/mips_cs_tree/lib/gcc/mips-linux-gnu/4.6.3/el/crtbegin.o b/test/Driver/Inputs/mips_cs_tree/lib/gcc/mips-linux-gnu/4.6.3/el/crtbegin.o
new file mode 100644 (file)
index 0000000..e69de29

diff --git a/test/Driver/Inputs/mips_cs_tree/lib/gcc/mips-linux-gnu/4.6.3/el/crtend.o b/test/Driver/Inputs/mips_cs_tree/lib/gcc/mips-linux-gnu/4.6.3/el/crtend.o
new file mode 100644 (file)
index 0000000..e69de29

diff --git a/test/Driver/Inputs/mips_cs_tree/lib/gcc/mips-linux-gnu/4.6.3/include-fixed/64/.keep b/test/Driver/Inputs/mips_cs_tree/lib/gcc/mips-linux-gnu/4.6.3/include-fixed/64/.keep
new file mode 100644 (file)
index 0000000..e69de29

diff --git a/test/Driver/Inputs/mips_cs_tree/lib/gcc/mips-linux-gnu/4.6.3/include-fixed/el/64/.keep b/test/Driver/Inputs/mips_cs_tree/lib/gcc/mips-linux-gnu/4.6.3/include-fixed/el/64/.keep
new file mode 100644 (file)
index 0000000..e69de29

diff --git a/test/Driver/Inputs/mips_cs_tree/lib/gcc/mips-linux-gnu/4.6.3/include-fixed/micromips/el/.keep b/test/Driver/Inputs/mips_cs_tree/lib/gcc/mips-linux-gnu/4.6.3/include-fixed/micromips/el/.keep
new file mode 100644 (file)
index 0000000..e69de29

diff --git a/test/Driver/Inputs/mips_cs_tree/lib/gcc/mips-linux-gnu/4.6.3/include-fixed/micromips/soft-float/el/.keep b/test/Driver/Inputs/mips_cs_tree/lib/gcc/mips-linux-gnu/4.6.3/include-fixed/micromips/soft-float/el/.keep
new file mode 100644 (file)
index 0000000..e69de29

diff --git a/test/Driver/Inputs/mips_cs_tree/lib/gcc/mips-linux-gnu/4.6.3/include-fixed/mips16/el/.keep b/test/Driver/Inputs/mips_cs_tree/lib/gcc/mips-linux-gnu/4.6.3/include-fixed/mips16/el/.keep
new file mode 100644 (file)
index 0000000..e69de29

diff --git a/test/Driver/Inputs/mips_cs_tree/lib/gcc/mips-linux-gnu/4.6.3/include-fixed/mips16/soft-float/el/.keep b/test/Driver/Inputs/mips_cs_tree/lib/gcc/mips-linux-gnu/4.6.3/include-fixed/mips16/soft-float/el/.keep
new file mode 100644 (file)
index 0000000..e69de29

diff --git a/test/Driver/Inputs/mips_cs_tree/lib/gcc/mips-linux-gnu/4.6.3/include-fixed/soft-float/64/.keep b/test/Driver/Inputs/mips_cs_tree/lib/gcc/mips-linux-gnu/4.6.3/include-fixed/soft-float/64/.keep
new file mode 100644 (file)
index 0000000..e69de29

diff --git a/test/Driver/Inputs/mips_cs_tree/lib/gcc/mips-linux-gnu/4.6.3/include-fixed/soft-float/el/64/.keep b/test/Driver/Inputs/mips_cs_tree/lib/gcc/mips-linux-gnu/4.6.3/include-fixed/soft-float/el/64/.keep
new file mode 100644 (file)
index 0000000..e69de29

diff --git a/test/Driver/Inputs/mips_cs_tree/lib/gcc/mips-linux-gnu/4.6.3/include/.keep b/test/Driver/Inputs/mips_cs_tree/lib/gcc/mips-linux-gnu/4.6.3/include/.keep
new file mode 100644 (file)
index 0000000..e69de29

diff --git a/test/Driver/Inputs/mips_cs_tree/lib/gcc/mips-linux-gnu/4.6.3/micromips/crtbegin.o b/test/Driver/Inputs/mips_cs_tree/lib/gcc/mips-linux-gnu/4.6.3/micromips/crtbegin.o
new file mode 100644 (file)
index 0000000..e69de29

diff --git a/test/Driver/Inputs/mips_cs_tree/lib/gcc/mips-linux-gnu/4.6.3/micromips/crtend.o b/test/Driver/Inputs/mips_cs_tree/lib/gcc/mips-linux-gnu/4.6.3/micromips/crtend.o
new file mode 100644 (file)
index 0000000..e69de29

diff --git a/test/Driver/Inputs/mips_cs_tree/lib/gcc/mips-linux-gnu/4.6.3/micromips/el/crtbegin.o b/test/Driver/Inputs/mips_cs_tree/lib/gcc/mips-linux-gnu/4.6.3/micromips/el/crtbegin.o
new file mode 100644 (file)
index 0000000..e69de29

diff --git a/test/Driver/Inputs/mips_cs_tree/lib/gcc/mips-linux-gnu/4.6.3/micromips/el/crtend.o b/test/Driver/Inputs/mips_cs_tree/lib/gcc/mips-linux-gnu/4.6.3/micromips/el/crtend.o
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diff --git a/test/Driver/Inputs/mips_cs_tree/mips-linux-gnu/libc/soft-float/lib/.keep b/test/Driver/Inputs/mips_cs_tree/mips-linux-gnu/libc/soft-float/lib/.keep
new file mode 100644 (file)
index 0000000..e69de29

diff --git a/test/Driver/Inputs/mips_cs_tree/mips-linux-gnu/libc/soft-float/lib64/.keep b/test/Driver/Inputs/mips_cs_tree/mips-linux-gnu/libc/soft-float/lib64/.keep
new file mode 100644 (file)
index 0000000..e69de29

diff --git a/test/Driver/Inputs/mips_cs_tree/mips-linux-gnu/libc/soft-float/usr/lib/crt1.o b/test/Driver/Inputs/mips_cs_tree/mips-linux-gnu/libc/soft-float/usr/lib/crt1.o
new file mode 100644 (file)
index 0000000..e69de29

diff --git a/test/Driver/Inputs/mips_cs_tree/mips-linux-gnu/libc/soft-float/usr/lib/crti.o b/test/Driver/Inputs/mips_cs_tree/mips-linux-gnu/libc/soft-float/usr/lib/crti.o
new file mode 100644 (file)
index 0000000..e69de29

diff --git a/test/Driver/Inputs/mips_cs_tree/mips-linux-gnu/libc/soft-float/usr/lib/crtn.o b/test/Driver/Inputs/mips_cs_tree/mips-linux-gnu/libc/soft-float/usr/lib/crtn.o
new file mode 100644 (file)
index 0000000..e69de29

diff --git a/test/Driver/Inputs/mips_cs_tree/mips-linux-gnu/libc/soft-float/usr/lib64/crt1.o b/test/Driver/Inputs/mips_cs_tree/mips-linux-gnu/libc/soft-float/usr/lib64/crt1.o
new file mode 100644 (file)
index 0000000..e69de29

diff --git a/test/Driver/Inputs/mips_cs_tree/mips-linux-gnu/libc/soft-float/usr/lib64/crti.o b/test/Driver/Inputs/mips_cs_tree/mips-linux-gnu/libc/soft-float/usr/lib64/crti.o
new file mode 100644 (file)
index 0000000..e69de29

diff --git a/test/Driver/Inputs/mips_cs_tree/mips-linux-gnu/libc/soft-float/usr/lib64/crtn.o b/test/Driver/Inputs/mips_cs_tree/mips-linux-gnu/libc/soft-float/usr/lib64/crtn.o
new file mode 100644 (file)
index 0000000..e69de29

diff --git a/test/Driver/Inputs/mips_cs_tree/mips-linux-gnu/libc/usr/include/.keep b/test/Driver/Inputs/mips_cs_tree/mips-linux-gnu/libc/usr/include/.keep
new file mode 100644 (file)
index 0000000..e69de29

diff --git a/test/Driver/Inputs/mips_cs_tree/mips-linux-gnu/libc/usr/lib/crt1.o b/test/Driver/Inputs/mips_cs_tree/mips-linux-gnu/libc/usr/lib/crt1.o
new file mode 100644 (file)
index 0000000..e69de29

diff --git a/test/Driver/Inputs/mips_cs_tree/mips-linux-gnu/libc/usr/lib/crti.o b/test/Driver/Inputs/mips_cs_tree/mips-linux-gnu/libc/usr/lib/crti.o
new file mode 100644 (file)
index 0000000..e69de29

diff --git a/test/Driver/Inputs/mips_cs_tree/mips-linux-gnu/libc/usr/lib/crtn.o b/test/Driver/Inputs/mips_cs_tree/mips-linux-gnu/libc/usr/lib/crtn.o
new file mode 100644 (file)
index 0000000..e69de29

diff --git a/test/Driver/Inputs/mips_cs_tree/mips-linux-gnu/libc/usr/lib64/crt1.o b/test/Driver/Inputs/mips_cs_tree/mips-linux-gnu/libc/usr/lib64/crt1.o
new file mode 100644 (file)
index 0000000..e69de29

diff --git a/test/Driver/Inputs/mips_cs_tree/mips-linux-gnu/libc/usr/lib64/crti.o b/test/Driver/Inputs/mips_cs_tree/mips-linux-gnu/libc/usr/lib64/crti.o
new file mode 100644 (file)
index 0000000..e69de29

diff --git a/test/Driver/Inputs/mips_cs_tree/mips-linux-gnu/libc/usr/lib64/crtn.o b/test/Driver/Inputs/mips_cs_tree/mips-linux-gnu/libc/usr/lib64/crtn.o
new file mode 100644 (file)
index 0000000..e69de29

diff --git a/test/Driver/mips-cs-header-search.cpp b/test/Driver/mips-cs-header-search.cpp
new file mode 100644 (file)
index 0000000..cb15edd
--- /dev/null
+++ b/test/Driver/mips-cs-header-search.cpp
@@ -0,0 +1,291 @@
+// REQUIRES: mips-registered-target
+//
+// Check frontend invocations on Mentor Graphics MIPS toolchain.
+//
+// = Big-endian, hard float
+// RUN: %clang -no-canonical-prefixes %s -### -c -o %t.o 2>&1 \
+// RUN:     -target mips-linux-gnu \
+// RUN:     -gcc-toolchain %S/Inputs/mips_cs_tree \
+// RUN:   | FileCheck --check-prefix=CHECK-BE-HF-32 %s
+// CHECK-BE-HF-32: "-internal-isystem"
+// CHECK-BE-HF-32: "[[TC:[^"]+/lib/gcc/mips-linux-gnu/4.6.3]]/../../../../mips-linux-gnu/include/c++/4.6.3"
+// CHECK-BE-HF-32: "-internal-isystem"
+// CHECK-BE-HF-32: "[[TC]]/../../../../mips-linux-gnu/include/c++/4.6.3/mips-linux-gnu"
+// CHECK-BE-HF-32: "-internal-isystem"
+// CHECK-BE-HF-32: "[[TC]]/../../../../mips-linux-gnu/include/c++/4.6.3/backward"
+// CHECK-BE-HF-32: "-internal-externc-isystem"
+// CHECK-BE-HF-32: "[[TC]]/include"
+// CHECK-BE-HF-32: "-internal-externc-isystem"
+// CHECK-BE-HF-32: "[[TC]]/include-fixed"
+// CHECK-BE-HF-32: "-internal-externc-isystem"
+// CHECK-BE-HF-32: "[[TC]]/../../../../mips-linux-gnu/libc/usr/include"
+//
+// = Big-endian, hard float, mips16
+// RUN: %clang -no-canonical-prefixes %s -### -c -o %t.o 2>&1 \
+// RUN:     -target mips-linux-gnu -mips16 \
+// RUN:     -gcc-toolchain %S/Inputs/mips_cs_tree \
+// RUN:   | FileCheck --check-prefix=CHECK-BE-HF-16 %s
+// CHECK-BE-HF-16: "-internal-isystem"
+// CHECK-BE-HF-16: "[[TC:[^"]+/lib/gcc/mips-linux-gnu/4.6.3]]/../../../../mips-linux-gnu/include/c++/4.6.3"
+// CHECK-BE-HF-16: "-internal-isystem"
+// CHECK-BE-HF-16: "[[TC]]/../../../../mips-linux-gnu/include/c++/4.6.3/mips-linux-gnu/mips16"
+// CHECK-BE-HF-16: "-internal-isystem"
+// CHECK-BE-HF-16: "[[TC]]/../../../../mips-linux-gnu/include/c++/4.6.3/backward"
+// CHECK-BE-HF-16: "-internal-externc-isystem"
+// CHECK-BE-HF-16: "[[TC]]/include"
+// CHECK-BE-HF-16: "-internal-externc-isystem"
+// CHECK-BE-HF-16: "[[TC]]/include-fixed/mips16"
+// CHECK-BE-HF-16: "-internal-externc-isystem"
+// CHECK-BE-HF-16: "[[TC]]/../../../../mips-linux-gnu/libc/usr/include"
+//
+// = Big-endian, hard float, micromips
+// RUN: %clang -no-canonical-prefixes %s -### -c -o %t.o 2>&1 \
+// RUN:     -target mips-linux-gnu -mmicromips \
+// RUN:     -gcc-toolchain %S/Inputs/mips_cs_tree \
+// RUN:   | FileCheck --check-prefix=CHECK-BE-HF-MICRO %s
+// CHECK-BE-HF-MICRO: "-internal-isystem"
+// CHECK-BE-HF-MICRO: "[[TC:[^"]+/lib/gcc/mips-linux-gnu/4.6.3]]/../../../../mips-linux-gnu/include/c++/4.6.3"
+// CHECK-BE-HF-MICRO: "-internal-isystem"
+// CHECK-BE-HF-MICRO: "[[TC]]/../../../../mips-linux-gnu/include/c++/4.6.3/mips-linux-gnu/micromips"
+// CHECK-BE-HF-MICRO: "-internal-isystem"
+// CHECK-BE-HF-MICRO: "[[TC]]/../../../../mips-linux-gnu/include/c++/4.6.3/backward"
+// CHECK-BE-HF-MICRO: "-internal-externc-isystem"
+// CHECK-BE-HF-MICRO: "[[TC]]/include"
+// CHECK-BE-HF-MICRO: "-internal-externc-isystem"
+// CHECK-BE-HF-MICRO: "[[TC]]/include-fixed/micromips"
+// CHECK-BE-HF-MICRO: "-internal-externc-isystem"
+// CHECK-BE-HF-MICRO: "[[TC]]/../../../../mips-linux-gnu/libc/usr/include"
+//
+// = Big-endian, soft float
+// RUN: %clang -no-canonical-prefixes %s -### -c -o %t.o 2>&1 \
+// RUN:     -target mips-linux-gnu -msoft-float \
+// RUN:     -gcc-toolchain %S/Inputs/mips_cs_tree \
+// RUN:   | FileCheck --check-prefix=CHECK-BE-SF-32 %s
+// CHECK-BE-SF-32: "-internal-isystem"
+// CHECK-BE-SF-32: "[[TC:[^"]+/lib/gcc/mips-linux-gnu/4.6.3]]/../../../../mips-linux-gnu/include/c++/4.6.3"
+// CHECK-BE-SF-32: "-internal-isystem"
+// CHECK-BE-SF-32: "[[TC]]/../../../../mips-linux-gnu/include/c++/4.6.3/mips-linux-gnu/soft-float"
+// CHECK-BE-SF-32: "-internal-isystem"
+// CHECK-BE-SF-32: "[[TC]]/../../../../mips-linux-gnu/include/c++/4.6.3/backward"
+// CHECK-BE-SF-32: "-internal-externc-isystem"
+// CHECK-BE-SF-32: "[[TC]]/include"
+// CHECK-BE-SF-32: "-internal-externc-isystem"
+// CHECK-BE-SF-32: "[[TC]]/include-fixed/soft-float"
+// CHECK-BE-SF-32: "-internal-externc-isystem"
+// CHECK-BE-SF-32: "[[TC]]/../../../../mips-linux-gnu/libc/usr/include"
+//
+// = Big-endian, soft float, mips16
+// RUN: %clang -no-canonical-prefixes %s -### -c -o %t.o 2>&1 \
+// RUN:     -target mips-linux-gnu -msoft-float -mips16 \
+// RUN:     -gcc-toolchain %S/Inputs/mips_cs_tree \
+// RUN:   | FileCheck --check-prefix=CHECK-BE-SF-16 %s
+// CHECK-BE-SF-16: "-internal-isystem"
+// CHECK-BE-SF-16: "[[TC:[^"]+/lib/gcc/mips-linux-gnu/4.6.3]]/../../../../mips-linux-gnu/include/c++/4.6.3"
+// CHECK-BE-SF-16: "-internal-isystem"
+// CHECK-BE-SF-16: "[[TC]]/../../../../mips-linux-gnu/include/c++/4.6.3/mips-linux-gnu/mips16/soft-float"
+// CHECK-BE-SF-16: "-internal-isystem"
+// CHECK-BE-SF-16: "[[TC]]/../../../../mips-linux-gnu/include/c++/4.6.3/backward"
+// CHECK-BE-SF-16: "-internal-externc-isystem"
+// CHECK-BE-SF-16: "[[TC]]/include"
+// CHECK-BE-SF-16: "-internal-externc-isystem"
+// CHECK-BE-SF-16: "[[TC]]/include-fixed/mips16/soft-float"
+// CHECK-BE-SF-16: "-internal-externc-isystem"
+// CHECK-BE-SF-16: "[[TC]]/../../../../mips-linux-gnu/libc/usr/include"
+//
+// = Big-endian, soft float, micromips
+// RUN: %clang -no-canonical-prefixes %s -### -c -o %t.o 2>&1 \
+// RUN:     -target mips-linux-gnu -msoft-float -mmicromips \
+// RUN:     -gcc-toolchain %S/Inputs/mips_cs_tree \
+// RUN:   | FileCheck --check-prefix=CHECK-BE-SF-MICRO %s
+// CHECK-BE-SF-MICRO: "-internal-isystem"
+// CHECK-BE-SF-MICRO: "[[TC:[^"]+/lib/gcc/mips-linux-gnu/4.6.3]]/../../../../mips-linux-gnu/include/c++/4.6.3"
+// CHECK-BE-SF-MICRO: "-internal-isystem"
+// CHECK-BE-SF-MICRO: "[[TC]]/../../../../mips-linux-gnu/include/c++/4.6.3/mips-linux-gnu/micromips/soft-float"
+// CHECK-BE-SF-MICRO: "-internal-isystem"
+// CHECK-BE-SF-MICRO: "[[TC]]/../../../../mips-linux-gnu/include/c++/4.6.3/backward"
+// CHECK-BE-SF-MICRO: "-internal-externc-isystem"
+// CHECK-BE-SF-MICRO: "[[TC]]/include"
+// CHECK-BE-SF-MICRO: "-internal-externc-isystem"
+// CHECK-BE-SF-MICRO: "[[TC]]/include-fixed/micromips/soft-float"
+// CHECK-BE-SF-MICRO: "-internal-externc-isystem"
+// CHECK-BE-SF-MICRO: "[[TC]]/../../../../mips-linux-gnu/libc/usr/include"
+//
+// = Big-endian, hard float, 64-bit
+// RUN: %clang -no-canonical-prefixes %s -### -c -o %t.o 2>&1 \
+// RUN:     -target mips64-linux-gnu \
+// RUN:     -gcc-toolchain %S/Inputs/mips_cs_tree \
+// RUN:   | FileCheck --check-prefix=CHECK-BE-HF-64 %s
+// CHECK-BE-HF-64: "-internal-isystem"
+// CHECK-BE-HF-64: "[[TC:[^"]+/lib/gcc/mips-linux-gnu/4.6.3]]/../../../../mips-linux-gnu/include/c++/4.6.3"
+// CHECK-BE-HF-64: "-internal-isystem"
+// CHECK-BE-HF-64: "[[TC]]/../../../../mips-linux-gnu/include/c++/4.6.3/mips-linux-gnu/64"
+// CHECK-BE-HF-64: "-internal-isystem"
+// CHECK-BE-HF-64: "[[TC]]/../../../../mips-linux-gnu/include/c++/4.6.3/backward"
+// CHECK-BE-HF-64: "-internal-externc-isystem"
+// CHECK-BE-HF-64: "[[TC]]/include"
+// CHECK-BE-HF-64: "-internal-externc-isystem"
+// CHECK-BE-HF-64: "[[TC]]/include-fixed/64"
+// CHECK-BE-HF-64: "-internal-externc-isystem"
+// CHECK-BE-HF-64: "[[TC]]/../../../../mips-linux-gnu/libc/usr/include"
+//
+// = Big-endian, soft float, 64-bit
+// RUN: %clang -no-canonical-prefixes %s -### -c -o %t.o 2>&1 \
+// RUN:     -target mips64-linux-gnu -msoft-float \
+// RUN:     -gcc-toolchain %S/Inputs/mips_cs_tree \
+// RUN:   | FileCheck --check-prefix=CHECK-BE-SF-64 %s
+// CHECK-BE-SF-64: "-internal-isystem"
+// CHECK-BE-SF-64: "[[TC:[^"]+/lib/gcc/mips-linux-gnu/4.6.3]]/../../../../mips-linux-gnu/include/c++/4.6.3"
+// CHECK-BE-SF-64: "-internal-isystem"
+// CHECK-BE-SF-64: "[[TC]]/../../../../mips-linux-gnu/include/c++/4.6.3/mips-linux-gnu/soft-float/64"
+// CHECK-BE-SF-64: "-internal-isystem"
+// CHECK-BE-SF-64: "[[TC]]/../../../../mips-linux-gnu/include/c++/4.6.3/backward"
+// CHECK-BE-SF-64: "-internal-externc-isystem"
+// CHECK-BE-SF-64: "[[TC]]/include"
+// CHECK-BE-SF-64: "-internal-externc-isystem"
+// CHECK-BE-SF-64: "[[TC]]/include-fixed/soft-float/64"
+// CHECK-BE-SF-64: "-internal-externc-isystem"
+// CHECK-BE-SF-64: "[[TC]]/../../../../mips-linux-gnu/libc/usr/include"
+//
+// = Little-endian, hard float
+// RUN: %clang -no-canonical-prefixes %s -### -c -o %t.o 2>&1 \
+// RUN:     -target mipsel-linux-gnu -mhard-float \
+// RUN:     -gcc-toolchain %S/Inputs/mips_cs_tree \
+// RUN:   | FileCheck --check-prefix=CHECK-EL-HF-32 %s
+// CHECK-EL-HF-32: "-internal-isystem"
+// CHECK-EL-HF-32: "[[TC:[^"]+/lib/gcc/mips-linux-gnu/4.6.3]]/../../../../mips-linux-gnu/include/c++/4.6.3"
+// CHECK-EL-HF-32: "-internal-isystem"
+// CHECK-EL-HF-32: "[[TC]]/../../../../mips-linux-gnu/include/c++/4.6.3/mips-linux-gnu/el"
+// CHECK-EL-HF-32: "-internal-isystem"
+// CHECK-EL-HF-32: "[[TC]]/../../../../mips-linux-gnu/include/c++/4.6.3/backward"
+// CHECK-EL-HF-32: "-internal-externc-isystem"
+// CHECK-EL-HF-32: "[[TC]]/include"
+// CHECK-EL-HF-32: "-internal-externc-isystem"
+// CHECK-EL-HF-32: "[[TC]]/include-fixed/el"
+// CHECK-EL-HF-32: "-internal-externc-isystem"
+// CHECK-EL-HF-32: "[[TC]]/../../../../mips-linux-gnu/libc/usr/include"
+//
+// = Little-endian, hard float, mips16
+// RUN: %clang -no-canonical-prefixes %s -### -c -o %t.o 2>&1 \
+// RUN:     -target mipsel-linux-gnu -mips16 \
+// RUN:     -gcc-toolchain %S/Inputs/mips_cs_tree \
+// RUN:   | FileCheck --check-prefix=CHECK-EL-HF-16 %s
+// CHECK-EL-HF-16: "-internal-isystem"
+// CHECK-EL-HF-16: "[[TC:[^"]+/lib/gcc/mips-linux-gnu/4.6.3]]/../../../../mips-linux-gnu/include/c++/4.6.3"
+// CHECK-EL-HF-16: "-internal-isystem"
+// CHECK-EL-HF-16: "[[TC]]/../../../../mips-linux-gnu/include/c++/4.6.3/mips-linux-gnu/mips16/el"
+// CHECK-EL-HF-16: "-internal-isystem"
+// CHECK-EL-HF-16: "[[TC]]/../../../../mips-linux-gnu/include/c++/4.6.3/backward"
+// CHECK-EL-HF-16: "-internal-externc-isystem"
+// CHECK-EL-HF-16: "[[TC]]/include"
+// CHECK-EL-HF-16: "-internal-externc-isystem"
+// CHECK-EL-HF-16: "[[TC]]/include-fixed/mips16/el"
+// CHECK-EL-HF-16: "-internal-externc-isystem"
+// CHECK-EL-HF-16: "[[TC]]/../../../../mips-linux-gnu/libc/usr/include"
+//
+// = Little-endian, hard float, micromips
+// RUN: %clang -no-canonical-prefixes %s -### -c -o %t.o 2>&1 \
+// RUN:     -target mipsel-linux-gnu -mmicromips \
+// RUN:     -gcc-toolchain %S/Inputs/mips_cs_tree \
+// RUN:   | FileCheck --check-prefix=CHECK-EL-HF-MICRO %s
+// CHECK-EL-HF-MICRO: "-internal-isystem"
+// CHECK-EL-HF-MICRO: "[[TC:[^"]+/lib/gcc/mips-linux-gnu/4.6.3]]/../../../../mips-linux-gnu/include/c++/4.6.3"
+// CHECK-EL-HF-MICRO: "-internal-isystem"
+// CHECK-EL-HF-MICRO: "[[TC]]/../../../../mips-linux-gnu/include/c++/4.6.3/mips-linux-gnu/micromips/el"
+// CHECK-EL-HF-MICRO: "-internal-isystem"
+// CHECK-EL-HF-MICRO: "[[TC]]/../../../../mips-linux-gnu/include/c++/4.6.3/backward"
+// CHECK-EL-HF-MICRO: "-internal-externc-isystem"
+// CHECK-EL-HF-MICRO: "[[TC]]/include"
+// CHECK-EL-HF-MICRO: "-internal-externc-isystem"
+// CHECK-EL-HF-MICRO: "[[TC]]/include-fixed/micromips/el"
+// CHECK-EL-HF-MICRO: "-internal-externc-isystem"
+// CHECK-EL-HF-MICRO: "[[TC]]/../../../../mips-linux-gnu/libc/usr/include"
+//
+// = Little-endian, soft float
+// RUN: %clang -no-canonical-prefixes %s -### -c -o %t.o 2>&1 \
+// RUN:     -target mipsel-linux-gnu -mfloat-abi=soft \
+// RUN:     -gcc-toolchain %S/Inputs/mips_cs_tree \
+// RUN:   | FileCheck --check-prefix=CHECK-EL-SF-32 %s
+// CHECK-EL-SF-32: "-internal-isystem"
+// CHECK-EL-SF-32: "[[TC:[^"]+/lib/gcc/mips-linux-gnu/4.6.3]]/../../../../mips-linux-gnu/include/c++/4.6.3"
+// CHECK-EL-SF-32: "-internal-isystem"
+// CHECK-EL-SF-32: "[[TC]]/../../../../mips-linux-gnu/include/c++/4.6.3/mips-linux-gnu/soft-float/el"
+// CHECK-EL-SF-32: "-internal-isystem"
+// CHECK-EL-SF-32: "[[TC]]/../../../../mips-linux-gnu/include/c++/4.6.3/backward"
+// CHECK-EL-SF-32: "-internal-externc-isystem"
+// CHECK-EL-SF-32: "[[TC]]/include"
+// CHECK-EL-SF-32: "-internal-externc-isystem"
+// CHECK-EL-SF-32: "[[TC]]/include-fixed/soft-float/el"
+// CHECK-EL-SF-32: "-internal-externc-isystem"
+// CHECK-EL-SF-32: "[[TC]]/../../../../mips-linux-gnu/libc/usr/include"
+//
+// = Little-endian, soft float, mips16
+// RUN: %clang -no-canonical-prefixes %s -### -c -o %t.o 2>&1 \
+// RUN:     -target mipsel-linux-gnu -mips16 -msoft-float \
+// RUN:     -gcc-toolchain %S/Inputs/mips_cs_tree \
+// RUN:   | FileCheck --check-prefix=CHECK-EL-SF-16 %s
+// CHECK-EL-SF-16: "-internal-isystem"
+// CHECK-EL-SF-16: "[[TC:[^"]+/lib/gcc/mips-linux-gnu/4.6.3]]/../../../../mips-linux-gnu/include/c++/4.6.3"
+// CHECK-EL-SF-16: "-internal-isystem"
+// CHECK-EL-SF-16: "[[TC]]/../../../../mips-linux-gnu/include/c++/4.6.3/mips-linux-gnu/mips16/soft-float/el"
+// CHECK-EL-SF-16: "-internal-isystem"
+// CHECK-EL-SF-16: "[[TC]]/../../../../mips-linux-gnu/include/c++/4.6.3/backward"
+// CHECK-EL-SF-16: "-internal-externc-isystem"
+// CHECK-EL-SF-16: "[[TC]]/include"
+// CHECK-EL-SF-16: "-internal-externc-isystem"
+// CHECK-EL-SF-16: "[[TC]]/include-fixed/mips16/soft-float/el"
+// CHECK-EL-SF-16: "-internal-externc-isystem"
+// CHECK-EL-SF-16: "[[TC]]/../../../../mips-linux-gnu/libc/usr/include"
+//
+// = Little-endian, soft float, micromips
+// RUN: %clang -no-canonical-prefixes %s -### -c -o %t.o 2>&1 \
+// RUN:     -target mipsel-linux-gnu -mmicromips -msoft-float \
+// RUN:     -gcc-toolchain %S/Inputs/mips_cs_tree \
+// RUN:   | FileCheck --check-prefix=CHECK-EL-SF-MICRO %s
+// CHECK-EL-SF-MICRO: "-internal-isystem"
+// CHECK-EL-SF-MICRO: "[[TC:[^"]+/lib/gcc/mips-linux-gnu/4.6.3]]/../../../../mips-linux-gnu/include/c++/4.6.3"
+// CHECK-EL-SF-MICRO: "-internal-isystem"
+// CHECK-EL-SF-MICRO: "[[TC]]/../../../../mips-linux-gnu/include/c++/4.6.3/mips-linux-gnu/micromips/soft-float/el"
+// CHECK-EL-SF-MICRO: "-internal-isystem"
+// CHECK-EL-SF-MICRO: "[[TC]]/../../../../mips-linux-gnu/include/c++/4.6.3/backward"
+// CHECK-EL-SF-MICRO: "-internal-externc-isystem"
+// CHECK-EL-SF-MICRO: "[[TC]]/include"
+// CHECK-EL-SF-MICRO: "-internal-externc-isystem"
+// CHECK-EL-SF-MICRO: "[[TC]]/include-fixed/micromips/soft-float/el"
+// CHECK-EL-SF-MICRO: "-internal-externc-isystem"
+// CHECK-EL-SF-MICRO: "[[TC]]/../../../../mips-linux-gnu/libc/usr/include"
+//
+// = Little-endian, hard float, 64-bit
+// RUN: %clang -no-canonical-prefixes %s -### -c -o %t.o 2>&1 \
+// RUN:     -target mips64el-linux-gnu \
+// RUN:     -gcc-toolchain %S/Inputs/mips_cs_tree \
+// RUN:   | FileCheck --check-prefix=CHECK-EL-HF-64 %s
+// CHECK-EL-HF-64: "-internal-isystem"
+// CHECK-EL-HF-64: "[[TC:[^"]+/lib/gcc/mips-linux-gnu/4.6.3]]/../../../../mips-linux-gnu/include/c++/4.6.3"
+// CHECK-EL-HF-64: "-internal-isystem"
+// CHECK-EL-HF-64: "[[TC]]/../../../../mips-linux-gnu/include/c++/4.6.3/mips-linux-gnu/el/64"
+// CHECK-EL-HF-64: "-internal-isystem"
+// CHECK-EL-HF-64: "[[TC]]/../../../../mips-linux-gnu/include/c++/4.6.3/backward"
+// CHECK-EL-HF-64: "-internal-externc-isystem"
+// CHECK-EL-HF-64: "[[TC]]/include"
+// CHECK-EL-HF-64: "-internal-externc-isystem"
+// CHECK-EL-HF-64: "[[TC]]/include-fixed/el/64"
+// CHECK-EL-HF-64: "-internal-externc-isystem"
+// CHECK-EL-HF-64: "[[TC]]/../../../../mips-linux-gnu/libc/usr/include"
+//
+// = Little-endian, soft float, 64-bit
+// RUN: %clang -no-canonical-prefixes %s -### -c -o %t.o 2>&1 \
+// RUN:     -target mips64el-linux-gnu -msoft-float \
+// RUN:     -gcc-toolchain %S/Inputs/mips_cs_tree \
+// RUN:   | FileCheck --check-prefix=CHECK-EL-SF-64 %s
+// CHECK-EL-SF-64: "-internal-isystem"
+// CHECK-EL-SF-64: "[[TC:[^"]+/lib/gcc/mips-linux-gnu/4.6.3]]/../../../../mips-linux-gnu/include/c++/4.6.3"
+// CHECK-EL-SF-64: "-internal-isystem"
+// CHECK-EL-SF-64: "[[TC]]/../../../../mips-linux-gnu/include/c++/4.6.3/mips-linux-gnu/soft-float/el/64"
+// CHECK-EL-SF-64: "-internal-isystem"
+// CHECK-EL-SF-64: "[[TC]]/../../../../mips-linux-gnu/include/c++/4.6.3/backward"
+// CHECK-EL-SF-64: "-internal-externc-isystem"
+// CHECK-EL-SF-64: "[[TC]]/include"
+// CHECK-EL-SF-64: "-internal-externc-isystem"
+// CHECK-EL-SF-64: "[[TC]]/include-fixed/soft-float/el/64"
+// CHECK-EL-SF-64: "-internal-externc-isystem"
+// CHECK-EL-SF-64: "[[TC]]/../../../../mips-linux-gnu/libc/usr/include"

diff --git a/test/Driver/mips-cs-ld.c b/test/Driver/mips-cs-ld.c
new file mode 100644 (file)
index 0000000..96d8e7c
--- /dev/null
+++ b/test/Driver/mips-cs-ld.c
@@ -0,0 +1,290 @@
+// REQUIRES: mips-registered-target
+//
+// Check ld invocations on Mentor Graphics MIPS toolchain.
+//
+// = Big-endian, hard float
+// RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
+// RUN:     -target mips-linux-gnu \
+// RUN:     -gcc-toolchain %S/Inputs/mips_cs_tree \
+// RUN:   | FileCheck --check-prefix=CHECK-BE-HF-32 %s
+// CHECK-BE-HF-32: "{{.*}}ld{{(.exe)?}}"
+// CHECK-BE-HF-32: "--sysroot=[[TC:[^"]+]]/../../../../mips-linux-gnu/libc"
+// CHECK-BE-HF-32: "[[TC]]/../../../../mips-linux-gnu/libc/usr/lib/../lib/crt1.o"
+// CHECK-BE-HF-32: "[[TC]]/../../../../mips-linux-gnu/libc/usr/lib/../lib/crti.o"
+// CHECK-BE-HF-32: "[[TC]]/crtbegin.o"
+// CHECK-BE-HF-32: "-L[[TC]]"
+// CHECK-BE-HF-32: "-L[[TC]]/../../../../mips-linux-gnu/lib/../lib"
+// CHECK-BE-HF-32: "-L[[TC]]/../../../../mips-linux-gnu/libc/lib"
+// CHECK-BE-HF-32: "-L[[TC]]/../../../../mips-linux-gnu/libc/usr/lib"
+// CHECK-BE-HF-32: "[[TC]]/crtend.o"
+// CHECK-BE-HF-32: "[[TC]]/../../../../mips-linux-gnu/libc/usr/lib/../lib/crtn.o"
+//
+// = Big-endian, hard float, mips16
+// RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
+// RUN:     -target mips-linux-gnu -mips16 \
+// RUN:     -gcc-toolchain %S/Inputs/mips_cs_tree \
+// RUN:   | FileCheck --check-prefix=CHECK-BE-HF-16 %s
+// CHECK-BE-HF-16: "{{.*}}ld{{(.exe)?}}"
+// CHECK-BE-HF-16: "--sysroot=[[TC:[^"]+]]/../../../../mips-linux-gnu/libc/mips16"
+// CHECK-BE-HF-16: "[[TC]]/../../../../mips-linux-gnu/libc/mips16/usr/lib/../lib/crt1.o"
+// CHECK-BE-HF-16: "[[TC]]/../../../../mips-linux-gnu/libc/mips16/usr/lib/../lib/crti.o"
+// CHECK-BE-HF-16: "[[TC]]/mips16/crtbegin.o"
+// CHECK-BE-HF-16: "-L[[TC]]/mips16"
+// CHECK-BE-HF-16: "-L[[TC]]/../../../../mips-linux-gnu/lib/../lib/mips16"
+// CHECK-BE-HF-16: "-L[[TC]]"
+// CHECK-BE-HF-16: "-L[[TC]]/../../../../mips-linux-gnu/libc/mips16/lib"
+// CHECK-BE-HF-16: "-L[[TC]]/../../../../mips-linux-gnu/libc/mips16/usr/lib"
+// CHECK-BE-HF-16: "[[TC]]/mips16/crtend.o"
+// CHECK-BE-HF-16: "[[TC]]/../../../../mips-linux-gnu/libc/mips16/usr/lib/../lib/crtn.o"
+//
+// = Big-endian, hard float, mmicromips
+// RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
+// RUN:     -target mips-linux-gnu -mmicromips \
+// RUN:     -gcc-toolchain %S/Inputs/mips_cs_tree \
+// RUN:   | FileCheck --check-prefix=CHECK-BE-HF-MICRO %s
+// CHECK-BE-HF-MICRO: "{{.*}}ld{{(.exe)?}}"
+// CHECK-BE-HF-MICRO: "--sysroot=[[TC:[^"]+]]/../../../../mips-linux-gnu/libc/micromips"
+// CHECK-BE-HF-MICRO: "[[TC]]/../../../../mips-linux-gnu/libc/micromips/usr/lib/../lib/crt1.o"
+// CHECK-BE-HF-MICRO: "[[TC]]/../../../../mips-linux-gnu/libc/micromips/usr/lib/../lib/crti.o"
+// CHECK-BE-HF-MICRO: "[[TC]]/micromips/crtbegin.o"
+// CHECK-BE-HF-MICRO: "-L[[TC]]/micromips"
+// CHECK-BE-HF-MICRO: "-L[[TC]]/../../../../mips-linux-gnu/lib/../lib/micromips"
+// CHECK-BE-HF-MICRO: "-L[[TC]]"
+// CHECK-BE-HF-MICRO: "-L[[TC]]/../../../../mips-linux-gnu/libc/micromips/lib"
+// CHECK-BE-HF-MICRO: "-L[[TC]]/../../../../mips-linux-gnu/libc/micromips/usr/lib"
+// CHECK-BE-HF-MICRO: "[[TC]]/micromips/crtend.o"
+// CHECK-BE-HF-MICRO: "[[TC]]/../../../../mips-linux-gnu/libc/micromips/usr/lib/../lib/crtn.o"
+//
+// = Big-endian, soft float
+// RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
+// RUN:     -target mips-linux-gnu -msoft-float \
+// RUN:     -gcc-toolchain %S/Inputs/mips_cs_tree \
+// RUN:   | FileCheck --check-prefix=CHECK-BE-SF-32 %s
+// CHECK-BE-SF-32: "{{.*}}ld{{(.exe)?}}"
+// CHECK-BE-SF-32: "--sysroot=[[TC:[^"]+]]/../../../../mips-linux-gnu/libc/soft-float"
+// CHECK-BE-SF-32: "[[TC]]/../../../../mips-linux-gnu/libc/soft-float/usr/lib/../lib/crt1.o"
+// CHECK-BE-SF-32: "[[TC]]/../../../../mips-linux-gnu/libc/soft-float/usr/lib/../lib/crti.o"
+// CHECK-BE-SF-32: "[[TC]]/soft-float/crtbegin.o"
+// CHECK-BE-SF-32: "-L[[TC]]/soft-float"
+// CHECK-BE-SF-32: "-L[[TC]]/../../../../mips-linux-gnu/lib/../lib/soft-float"
+// CHECK-BE-SF-32: "-L[[TC]]"
+// CHECK-BE-SF-32: "-L[[TC]]/../../../../mips-linux-gnu/libc/soft-float/lib"
+// CHECK-BE-SF-32: "-L[[TC]]/../../../../mips-linux-gnu/libc/soft-float/usr/lib"
+// CHECK-BE-SF-32: "[[TC]]/soft-float/crtend.o"
+// CHECK-BE-SF-32: "[[TC]]/../../../../mips-linux-gnu/libc/soft-float/usr/lib/../lib/crtn.o"
+//
+// = Big-endian, soft float, mips16
+// RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
+// RUN:     -target mips-linux-gnu -msoft-float -mips16 \
+// RUN:     -gcc-toolchain %S/Inputs/mips_cs_tree \
+// RUN:   | FileCheck --check-prefix=CHECK-BE-SF-16 %s
+// CHECK-BE-SF-16: "{{.*}}ld{{(.exe)?}}"
+// CHECK-BE-SF-16: "--sysroot=[[TC:[^"]+]]/../../../../mips-linux-gnu/libc/mips16/soft-float"
+// CHECK-BE-SF-16: "[[TC]]/../../../../mips-linux-gnu/libc/mips16/soft-float/usr/lib/../lib/crt1.o"
+// CHECK-BE-SF-16: "[[TC]]/../../../../mips-linux-gnu/libc/mips16/soft-float/usr/lib/../lib/crti.o"
+// CHECK-BE-SF-16: "[[TC]]/mips16/soft-float/crtbegin.o"
+// CHECK-BE-SF-16: "-L[[TC]]/mips16/soft-float"
+// CHECK-BE-SF-16: "-L[[TC]]/../../../../mips-linux-gnu/lib/../lib/mips16/soft-float"
+// CHECK-BE-SF-16: "-L[[TC]]"
+// CHECK-BE-SF-16: "-L[[TC]]/../../../../mips-linux-gnu/libc/mips16/soft-float/lib"
+// CHECK-BE-SF-16: "-L[[TC]]/../../../../mips-linux-gnu/libc/mips16/soft-float/usr/lib"
+// CHECK-BE-SF-16: "[[TC]]/mips16/soft-float/crtend.o"
+// CHECK-BE-SF-16: "[[TC]]/../../../../mips-linux-gnu/libc/mips16/soft-float/usr/lib/../lib/crtn.o"
+//
+// = Big-endian, soft float, micromips
+// RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
+// RUN:     -target mips-linux-gnu -msoft-float -mmicromips \
+// RUN:     -gcc-toolchain %S/Inputs/mips_cs_tree \
+// RUN:   | FileCheck --check-prefix=CHECK-BE-SF-MICRO %s
+// CHECK-BE-SF-MICRO: "{{.*}}ld{{(.exe)?}}"
+// CHECK-BE-SF-MICRO: "--sysroot=[[TC:[^"]+]]/../../../../mips-linux-gnu/libc/micromips/soft-float"
+// CHECK-BE-SF-MICRO: "[[TC]]/../../../../mips-linux-gnu/libc/micromips/soft-float/usr/lib/../lib/crt1.o"
+// CHECK-BE-SF-MICRO: "[[TC]]/../../../../mips-linux-gnu/libc/micromips/soft-float/usr/lib/../lib/crti.o"
+// CHECK-BE-SF-MICRO: "[[TC]]/micromips/soft-float/crtbegin.o"
+// CHECK-BE-SF-MICRO: "-L[[TC]]/micromips/soft-float"
+// CHECK-BE-SF-MICRO: "-L[[TC]]/../../../../mips-linux-gnu/lib/../lib/micromips/soft-float"
+// CHECK-BE-SF-MICRO: "-L[[TC]]"
+// CHECK-BE-SF-MICRO: "-L[[TC]]/../../../../mips-linux-gnu/libc/micromips/soft-float/lib"
+// CHECK-BE-SF-MICRO: "-L[[TC]]/../../../../mips-linux-gnu/libc/micromips/soft-float/usr/lib"
+// CHECK-BE-SF-MICRO: "[[TC]]/micromips/soft-float/crtend.o"
+// CHECK-BE-SF-MICRO: "[[TC]]/../../../../mips-linux-gnu/libc/micromips/soft-float/usr/lib/../lib/crtn.o"
+//
+// = Big-endian, hard float, 64-bit
+// RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
+// RUN:     -target mips64-linux-gnu \
+// RUN:     -gcc-toolchain %S/Inputs/mips_cs_tree \
+// RUN:   | FileCheck --check-prefix=CHECK-BE-HF-64 %s
+// CHECK-BE-HF-64: "{{.*}}ld{{(.exe)?}}"
+// CHECK-BE-HF-64: "--sysroot=[[TC:[^"]+]]/../../../../mips-linux-gnu/libc"
+// CHECK-BE-HF-64: "[[TC]]/../../../../mips-linux-gnu/libc/usr/lib/../lib64/crt1.o"
+// CHECK-BE-HF-64: "[[TC]]/../../../../mips-linux-gnu/libc/usr/lib/../lib64/crti.o"
+// CHECK-BE-HF-64: "[[TC]]/64/crtbegin.o"
+// CHECK-BE-HF-64: "-L[[TC]]/64"
+// CHECK-BE-HF-64: "-L[[TC]]/../../../../mips-linux-gnu/lib/../lib64"
+// CHECK-BE-HF-64: "-L[[TC]]/../../../../mips-linux-gnu/libc/lib/../lib64"
+// CHECK-BE-HF-64: "-L[[TC]]/../../../../mips-linux-gnu/libc/usr/lib/../lib64"
+// CHECK-BE-HF-64: "-L[[TC]]"
+// CHECK-BE-HF-64: "[[TC]]/64/crtend.o"
+// CHECK-BE-HF-64: "[[TC]]/../../../../mips-linux-gnu/libc/usr/lib/../lib64/crtn.o"
+//
+// = Big-endian, soft float, 64-bit
+// RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
+// RUN:     -target mips64-linux-gnu -msoft-float \
+// RUN:     -gcc-toolchain %S/Inputs/mips_cs_tree \
+// RUN:   | FileCheck --check-prefix=CHECK-BE-SF-64 %s
+// CHECK-BE-SF-64: "{{.*}}ld{{(.exe)?}}"
+// CHECK-BE-SF-64: "--sysroot=[[TC:[^"]+]]/../../../../mips-linux-gnu/libc/soft-float"
+// CHECK-BE-SF-64: "[[TC]]/../../../../mips-linux-gnu/libc/soft-float/usr/lib/../lib64/crt1.o"
+// CHECK-BE-SF-64: "[[TC]]/../../../../mips-linux-gnu/libc/soft-float/usr/lib/../lib64/crti.o"
+// CHECK-BE-SF-64: "[[TC]]/soft-float/64/crtbegin.o"
+// CHECK-BE-SF-64: "-L[[TC]]/soft-float/64"
+// CHECK-BE-SF-64: "-L[[TC]]/../../../../mips-linux-gnu/lib/../lib64/soft-float"
+// CHECK-BE-SF-64: "-L[[TC]]/../../../../mips-linux-gnu/libc/soft-float/lib/../lib64"
+// CHECK-BE-SF-64: "-L[[TC]]/../../../../mips-linux-gnu/libc/soft-float/usr/lib/../lib64"
+// CHECK-BE-SF-64: "-L[[TC]]"
+// CHECK-BE-SF-64: "[[TC]]/soft-float/64/crtend.o"
+// CHECK-BE-SF-64: "[[TC]]/../../../../mips-linux-gnu/libc/soft-float/usr/lib/../lib64/crtn.o"
+//
+// = Little-endian, hard float
+// RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
+// RUN:     -target mipsel-linux-gnu -mhard-float \
+// RUN:     -gcc-toolchain %S/Inputs/mips_cs_tree \
+// RUN:   | FileCheck --check-prefix=CHECK-EL-HF-32 %s
+// CHECK-EL-HF-32: "{{.*}}ld{{(.exe)?}}"
+// CHECK-EL-HF-32: "--sysroot=[[TC:[^"]+]]/../../../../mips-linux-gnu/libc/el"
+// CHECK-EL-HF-32: "[[TC]]/../../../../mips-linux-gnu/libc/el/usr/lib/../lib/crt1.o"
+// CHECK-EL-HF-32: "[[TC]]/../../../../mips-linux-gnu/libc/el/usr/lib/../lib/crti.o"
+// CHECK-EL-HF-32: "[[TC]]/el/crtbegin.o"
+// CHECK-EL-HF-32: "-L[[TC]]/el"
+// CHECK-EL-HF-32: "-L[[TC]]/../../../../mips-linux-gnu/lib/../lib/el"
+// CHECK-EL-HF-32: "-L[[TC]]"
+// CHECK-EL-HF-32: "-L[[TC]]/../../../../mips-linux-gnu/libc/el/lib"
+// CHECK-EL-HF-32: "-L[[TC]]/../../../../mips-linux-gnu/libc/el/usr/lib"
+// CHECK-EL-HF-32: "[[TC]]/el/crtend.o"
+// CHECK-EL-HF-32: "[[TC]]/../../../../mips-linux-gnu/libc/el/usr/lib/../lib/crtn.o"
+//
+// = Little-endian, hard float, mips16
+// RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
+// RUN:     -target mipsel-linux-gnu -mips16 \
+// RUN:     -gcc-toolchain %S/Inputs/mips_cs_tree \
+// RUN:   | FileCheck --check-prefix=CHECK-EL-HF-16 %s
+// CHECK-EL-HF-16: "{{.*}}ld{{(.exe)?}}"
+// CHECK-EL-HF-16: "--sysroot=[[TC:[^"]+]]/../../../../mips-linux-gnu/libc/mips16/el"
+// CHECK-EL-HF-16: "[[TC]]/../../../../mips-linux-gnu/libc/mips16/el/usr/lib/../lib/crt1.o"
+// CHECK-EL-HF-16: "[[TC]]/../../../../mips-linux-gnu/libc/mips16/el/usr/lib/../lib/crti.o"
+// CHECK-EL-HF-16: "[[TC]]/mips16/el/crtbegin.o"
+// CHECK-EL-HF-16: "-L[[TC]]/mips16/el"
+// CHECK-EL-HF-16: "-L[[TC]]/../../../../mips-linux-gnu/lib/../lib/mips16/el"
+// CHECK-EL-HF-16: "-L[[TC]]"
+// CHECK-EL-HF-16: "-L[[TC]]/../../../../mips-linux-gnu/libc/mips16/el/lib"
+// CHECK-EL-HF-16: "-L[[TC]]/../../../../mips-linux-gnu/libc/mips16/el/usr/lib"
+// CHECK-EL-HF-16: "[[TC]]/mips16/el/crtend.o"
+// CHECK-EL-HF-16: "[[TC]]/../../../../mips-linux-gnu/libc/mips16/el/usr/lib/../lib/crtn.o"
+//
+// = Little-endian, hard float, micromips
+// RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
+// RUN:     -target mipsel-linux-gnu -mmicromips \
+// RUN:     -gcc-toolchain %S/Inputs/mips_cs_tree \
+// RUN:   | FileCheck --check-prefix=CHECK-EL-HF-MICRO %s
+// CHECK-EL-HF-MICRO: "{{.*}}ld{{(.exe)?}}"
+// CHECK-EL-HF-MICRO: "--sysroot=[[TC:[^"]+]]/../../../../mips-linux-gnu/libc/micromips/el"
+// CHECK-EL-HF-MICRO: "[[TC]]/../../../../mips-linux-gnu/libc/micromips/el/usr/lib/../lib/crt1.o"
+// CHECK-EL-HF-MICRO: "[[TC]]/../../../../mips-linux-gnu/libc/micromips/el/usr/lib/../lib/crti.o"
+// CHECK-EL-HF-MICRO: "[[TC]]/micromips/el/crtbegin.o"
+// CHECK-EL-HF-MICRO: "-L[[TC]]/micromips/el"
+// CHECK-EL-HF-MICRO: "-L[[TC]]/../../../../mips-linux-gnu/lib/../lib/micromips/el"
+// CHECK-EL-HF-MICRO: "-L[[TC]]"
+// CHECK-EL-HF-MICRO: "-L[[TC]]/../../../../mips-linux-gnu/libc/micromips/el/lib"
+// CHECK-EL-HF-MICRO: "-L[[TC]]/../../../../mips-linux-gnu/libc/micromips/el/usr/lib"
+// CHECK-EL-HF-MICRO: "[[TC]]/micromips/el/crtend.o"
+// CHECK-EL-HF-MICRO: "[[TC]]/../../../../mips-linux-gnu/libc/micromips/el/usr/lib/../lib/crtn.o"
+//
+// = Little-endian, soft float
+// RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
+// RUN:     -target mipsel-linux-gnu -mfloat-abi=soft \
+// RUN:     -gcc-toolchain %S/Inputs/mips_cs_tree \
+// RUN:   | FileCheck --check-prefix=CHECK-EL-SF-32 %s
+// CHECK-EL-SF-32: "{{.*}}ld{{(.exe)?}}"
+// CHECK-EL-SF-32: "--sysroot=[[TC:[^"]+]]/../../../../mips-linux-gnu/libc/soft-float/el"
+// CHECK-EL-SF-32: "[[TC]]/../../../../mips-linux-gnu/libc/soft-float/el/usr/lib/../lib/crt1.o"
+// CHECK-EL-SF-32: "[[TC]]/../../../../mips-linux-gnu/libc/soft-float/el/usr/lib/../lib/crti.o"
+// CHECK-EL-SF-32: "[[TC]]/soft-float/el/crtbegin.o"
+// CHECK-EL-SF-32: "-L[[TC]]/soft-float/el"
+// CHECK-EL-SF-32: "-L[[TC]]/../../../../mips-linux-gnu/lib/../lib/soft-float/el"
+// CHECK-EL-SF-32: "-L[[TC]]"
+// CHECK-EL-SF-32: "-L[[TC]]/../../../../mips-linux-gnu/libc/soft-float/el/lib"
+// CHECK-EL-SF-32: "-L[[TC]]/../../../../mips-linux-gnu/libc/soft-float/el/usr/lib"
+// CHECK-EL-SF-32: "[[TC]]/soft-float/el/crtend.o"
+// CHECK-EL-SF-32: "[[TC]]/../../../../mips-linux-gnu/libc/soft-float/el/usr/lib/../lib/crtn.o"
+//
+// = Little-endian, soft float, mips16
+// RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
+// RUN:     -target mipsel-linux-gnu -mips16 -msoft-float \
+// RUN:     -gcc-toolchain %S/Inputs/mips_cs_tree \
+// RUN:   | FileCheck --check-prefix=CHECK-EL-SF-16 %s
+// CHECK-EL-SF-16: "{{.*}}ld{{(.exe)?}}"
+// CHECK-EL-SF-16: "--sysroot=[[TC:[^"]+]]/../../../../mips-linux-gnu/libc/mips16/soft-float/el"
+// CHECK-EL-SF-16: "[[TC]]/../../../../mips-linux-gnu/libc/mips16/soft-float/el/usr/lib/../lib/crt1.o"
+// CHECK-EL-SF-16: "[[TC]]/../../../../mips-linux-gnu/libc/mips16/soft-float/el/usr/lib/../lib/crti.o"
+// CHECK-EL-SF-16: "[[TC]]/mips16/soft-float/el/crtbegin.o"
+// CHECK-EL-SF-16: "-L[[TC]]/mips16/soft-float/el"
+// CHECK-EL-SF-16: "-L[[TC]]/../../../../mips-linux-gnu/lib/../lib/mips16/soft-float/el"
+// CHECK-EL-SF-16: "-L[[TC]]"
+// CHECK-EL-SF-16: "-L[[TC]]/../../../../mips-linux-gnu/libc/mips16/soft-float/el/lib"
+// CHECK-EL-SF-16: "-L[[TC]]/../../../../mips-linux-gnu/libc/mips16/soft-float/el/usr/lib"
+// CHECK-EL-SF-16: "[[TC]]/mips16/soft-float/el/crtend.o"
+// CHECK-EL-SF-16: "[[TC]]/../../../../mips-linux-gnu/libc/mips16/soft-float/el/usr/lib/../lib/crtn.o"
+//
+// = Little-endian, soft float, micromips
+// RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
+// RUN:     -target mipsel-linux-gnu -mmicromips -msoft-float \
+// RUN:     -gcc-toolchain %S/Inputs/mips_cs_tree \
+// RUN:   | FileCheck --check-prefix=CHECK-EL-SF-MICRO %s
+// CHECK-EL-SF-MICRO: "{{.*}}ld{{(.exe)?}}"
+// CHECK-EL-SF-MICRO: "--sysroot=[[TC:[^"]+]]/../../../../mips-linux-gnu/libc/micromips/soft-float/el"
+// CHECK-EL-SF-MICRO: "[[TC]]/../../../../mips-linux-gnu/libc/micromips/soft-float/el/usr/lib/../lib/crt1.o"
+// CHECK-EL-SF-MICRO: "[[TC]]/../../../../mips-linux-gnu/libc/micromips/soft-float/el/usr/lib/../lib/crti.o"
+// CHECK-EL-SF-MICRO: "[[TC]]/micromips/soft-float/el/crtbegin.o"
+// CHECK-EL-SF-MICRO: "-L[[TC]]/micromips/soft-float/el"
+// CHECK-EL-SF-MICRO: "-L[[TC]]/../../../../mips-linux-gnu/lib/../lib/micromips/soft-float/el"
+// CHECK-EL-SF-MICRO: "-L[[TC]]"
+// CHECK-EL-SF-MICRO: "-L[[TC]]/../../../../mips-linux-gnu/libc/micromips/soft-float/el/lib"
+// CHECK-EL-SF-MICRO: "-L[[TC]]/../../../../mips-linux-gnu/libc/micromips/soft-float/el/usr/lib"
+// CHECK-EL-SF-MICRO: "[[TC]]/micromips/soft-float/el/crtend.o"
+// CHECK-EL-SF-MICRO: "[[TC]]/../../../../mips-linux-gnu/libc/micromips/soft-float/el/usr/lib/../lib/crtn.o"
+//
+// = Little-endian, hard float, 64-bit
+// RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
+// RUN:     -target mips64el-linux-gnu \
+// RUN:     -gcc-toolchain %S/Inputs/mips_cs_tree \
+// RUN:   | FileCheck --check-prefix=CHECK-EL-HF-64 %s
+// CHECK-EL-HF-64: "{{.*}}ld{{(.exe)?}}"
+// CHECK-EL-HF-64: "--sysroot=[[TC:[^"]+]]/../../../../mips-linux-gnu/libc/el"
+// CHECK-EL-HF-64: "[[TC]]/../../../../mips-linux-gnu/libc/el/usr/lib/../lib64/crt1.o"
+// CHECK-EL-HF-64: "[[TC]]/../../../../mips-linux-gnu/libc/el/usr/lib/../lib64/crti.o"
+// CHECK-EL-HF-64: "[[TC]]/el/64/crtbegin.o"
+// CHECK-EL-HF-64: "-L[[TC]]/el/64"
+// CHECK-EL-HF-64: "-L[[TC]]/../../../../mips-linux-gnu/lib/../lib64/el"
+// CHECK-EL-HF-64: "-L[[TC]]/../../../../mips-linux-gnu/libc/el/lib/../lib64"
+// CHECK-EL-HF-64: "-L[[TC]]/../../../../mips-linux-gnu/libc/el/usr/lib/../lib64"
+// CHECK-EL-HF-64: "-L[[TC]]"
+// CHECK-EL-HF-64: "[[TC]]/el/64/crtend.o"
+// CHECK-EL-HF-64: "[[TC]]/../../../../mips-linux-gnu/libc/el/usr/lib/../lib64/crtn.o"
+//
+// = Little-endian, soft float, 64-bit
+// RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
+// RUN:     -target mips64el-linux-gnu -msoft-float \
+// RUN:     -gcc-toolchain %S/Inputs/mips_cs_tree \
+// RUN:   | FileCheck --check-prefix=CHECK-EL-SF-64 %s
+// CHECK-EL-SF-64: "{{.*}}ld{{(.exe)?}}"
+// CHECK-EL-SF-64: "--sysroot=[[TC:[^"]+]]/../../../../mips-linux-gnu/libc/soft-float/el"
+// CHECK-EL-SF-64: "[[TC]]/../../../../mips-linux-gnu/libc/soft-float/el/usr/lib/../lib64/crt1.o"
+// CHECK-EL-SF-64: "[[TC]]/../../../../mips-linux-gnu/libc/soft-float/el/usr/lib/../lib64/crti.o"
+// CHECK-EL-SF-64: "[[TC]]/soft-float/el/64/crtbegin.o"
+// CHECK-EL-SF-64: "-L[[TC]]/soft-float/el/64"
+// CHECK-EL-SF-64: "-L[[TC]]/../../../../mips-linux-gnu/lib/../lib64/soft-float/el"
+// CHECK-EL-SF-64: "-L[[TC]]/../../../../mips-linux-gnu/libc/soft-float/el/lib/../lib64"
+// CHECK-EL-SF-64: "-L[[TC]]/../../../../mips-linux-gnu/libc/soft-float/el/usr/lib/../lib64"
+// CHECK-EL-SF-64: "-L[[TC]]"
+// CHECK-EL-SF-64: "[[TC]]/soft-float/el/64/crtend.o"
+// CHECK-EL-SF-64: "[[TC]]/../../../../mips-linux-gnu/libc/soft-float/el/usr/lib/../lib64/crtn.o"