[mips][mips64r6] Add support for mips-img-linux-gnu GCC toolchains

Summary:
* Support the multilib layout used by the mips-img-linux-gnu
* Recognize mips{,64}{,el}-img-linux-gnu as being aliases of mips-img-linux-gnu
* Use the correct dynamic linker for mips-img-linux-gnu
* Make mips32r6/mips64r6 the default CPU for mips-img-linux-gnu

Subscribers: mpf

Differential Revision: http://reviews.llvm.org/D4436

llvm-svn: 212719

diff --git a/clang/lib/Driver/ToolChains.cpp b/clang/lib/Driver/ToolChains.cpp
index 99bde6c..aba6d38 100644 (file)
--- a/clang/lib/Driver/ToolChains.cpp
+++ b/clang/lib/Driver/ToolChains.cpp
@@ -1353,18 +1353,22 @@ bool Generic_GCC::GCCInstallationDetector::getBiarchSibling(Multilib &M) const {
 
   static const char *const MIPSLibDirs[] = { "/lib" };
   static const char *const MIPSTriples[] = { "mips-linux-gnu",
-                                             "mips-mti-linux-gnu" };
+                                             "mips-mti-linux-gnu",
+                                             "mips-img-linux-gnu" };
   static const char *const MIPSELLibDirs[] = { "/lib" };
   static const char *const MIPSELTriples[] = { "mipsel-linux-gnu",
-                                               "mipsel-linux-android" };
+                                               "mipsel-linux-android",
+                                               "mips-img-linux-gnu" };
 
   static const char *const MIPS64LibDirs[] = { "/lib64", "/lib" };
   static const char *const MIPS64Triples[] = { "mips64-linux-gnu",
                                                "mips-mti-linux-gnu",
+                                               "mips-img-linux-gnu",
                                                "mips64-linux-gnuabi64" };
   static const char *const MIPS64ELLibDirs[] = { "/lib64", "/lib" };
   static const char *const MIPS64ELTriples[] = { "mips64el-linux-gnu",
                                                  "mips-mti-linux-gnu",
+                                                 "mips-img-linux-gnu",
                                                  "mips64el-linux-android",
                                                  "mips64el-linux-gnuabi64" };
 
@@ -1869,6 +1873,33 @@ static bool findMIPSMultilibs(const llvm::Triple &TargetTriple, StringRef Path,
       .FilterOut(NonExistent);
   }
 
+  MultilibSet ImgMultilibs;
+  {
+    Multilib Mips64r6 = Multilib()
+      .gccSuffix("/mips64r6")
+      .osSuffix("/mips64r6")
+      .includeSuffix("/mips64r6")
+      .flag("+m64").flag("-m32");
+
+    Multilib LittleEndian = Multilib()
+      .gccSuffix("/el")
+      .osSuffix("/el")
+      .includeSuffix("/el")
+      .flag("+EL").flag("-EB");
+
+    Multilib MAbi64 = Multilib()
+      .gccSuffix("/64")
+      .osSuffix("/64")
+      .includeSuffix("/64")
+      .flag("+mabi=64").flag("-mabi=n32").flag("-m32");
+
+    ImgMultilibs = MultilibSet()
+      .Maybe(Mips64r6)
+      .Maybe(MAbi64)
+      .Maybe(LittleEndian)
+      .FilterOut(NonExistent);
+  }
+
   llvm::Triple::ArchType TargetArch = TargetTriple.getArch();
 
   Multilib::flags_list Flags;
@@ -1903,6 +1934,17 @@ static bool findMIPSMultilibs(const llvm::Triple &TargetTriple, StringRef Path,
     return false;
   }
 
+  if (TargetTriple.getVendor() == llvm::Triple::ImaginationTechnologies &&
+      TargetTriple.getOS() == llvm::Triple::Linux &&
+      TargetTriple.getEnvironment() == llvm::Triple::GNU) {
+    // Select mips-img-linux-gnu toolchain.
+    if (ImgMultilibs.select(Flags, Result.SelectedMultilib)) {
+      Result.Multilibs = ImgMultilibs;
+      return true;
+    }
+    return false;
+  }
+
   // Sort candidates. Toolchain that best meets the directories goes first.
   // Then select the first toolchains matches command line flags.
   MultilibSet *candidates[] = { &DebianMipsMultilibs, &FSFMipsMultilibs,

diff --git a/clang/lib/Driver/Tools.cpp b/clang/lib/Driver/Tools.cpp
index 588399d..4c5b3ea 100644 (file)
--- a/clang/lib/Driver/Tools.cpp
+++ b/clang/lib/Driver/Tools.cpp
@@ -916,6 +916,14 @@ static void getMipsCPUAndABI(const ArgList &Args,
   const char *DefMips32CPU = "mips32r2";
   const char *DefMips64CPU = "mips64r2";
 
+  // MIPS32r6 is the default for mips(el)?-img-linux-gnu and MIPS64r6 is the
+  // default for mips64(el)?-img-linux-gnu.
+  if (Triple.getVendor() == llvm::Triple::ImaginationTechnologies &&
+      Triple.getEnvironment() == llvm::Triple::GNU) {
+    DefMips32CPU = "mips32r6";
+    DefMips64CPU = "mips64r6";
+  }
+
   if (Arg *A = Args.getLastArg(options::OPT_march_EQ,
                                options::OPT_mcpu_EQ))
     CPUName = A->getValue();
@@ -5186,7 +5194,7 @@ bool mips::hasMipsAbiArg(const ArgList &Args, const char *Value) {
   return A && (A->getValue() == StringRef(Value));
 }
 
-bool mips::isNaN2008(const ArgList &Args) {
+bool mips::isNaN2008(const ArgList &Args, const llvm::Triple &Triple) {
   if (Arg *NaNArg = Args.getLastArg(options::OPT_mnan_EQ))
     return llvm::StringSwitch<bool>(NaNArg->getValue())
                .Case("2008", true)
@@ -5194,10 +5202,9 @@ bool mips::isNaN2008(const ArgList &Args) {
                .Default(false);
 
   // NaN2008 is the default for MIPS32r6/MIPS64r6.
-  if (Arg *CPUArg = Args.getLastArg(options::OPT_mcpu_EQ))
-    return llvm::StringSwitch<bool>(CPUArg->getValue())
-               .Cases("mips32r6", "mips64r6", true)
-               .Default(false);
+  return llvm::StringSwitch<bool>(getCPUName(Args, Triple))
+             .Cases("mips32r6", "mips64r6", true)
+             .Default(false);
 
   return false;
 }
@@ -7022,16 +7029,16 @@ static StringRef getLinuxDynamicLinker(const ArgList &Args,
       return "/lib/ld-linux.so.3";              /* TODO: check which dynamic linker name.  */
   } else if (ToolChain.getArch() == llvm::Triple::mips ||
              ToolChain.getArch() == llvm::Triple::mipsel) {
-    if (mips::isNaN2008(Args))
+    if (mips::isNaN2008(Args, ToolChain.getTriple()))
       return "/lib/ld-linux-mipsn8.so.1";
     return "/lib/ld.so.1";
   } else if (ToolChain.getArch() == llvm::Triple::mips64 ||
              ToolChain.getArch() == llvm::Triple::mips64el) {
     if (mips::hasMipsAbiArg(Args, "n32"))
-      return mips::isNaN2008(Args) ? "/lib32/ld-linux-mipsn8.so.1"
-                                   : "/lib32/ld.so.1";
-    return mips::isNaN2008(Args) ? "/lib64/ld-linux-mipsn8.so.1"
-                                 : "/lib64/ld.so.1";
+      return mips::isNaN2008(Args, ToolChain.getTriple())
+                 ? "/lib32/ld-linux-mipsn8.so.1" : "/lib32/ld.so.1";
+    return mips::isNaN2008(Args, ToolChain.getTriple())
+               ? "/lib64/ld-linux-mipsn8.so.1" : "/lib64/ld.so.1";
   } else if (ToolChain.getArch() == llvm::Triple::ppc)
     return "/lib/ld.so.1";
   else if (ToolChain.getArch() == llvm::Triple::ppc64 ||

diff --git a/clang/lib/Driver/Tools.h b/clang/lib/Driver/Tools.h
index c4e6d6c..bc7f58b 100644 (file)
--- a/clang/lib/Driver/Tools.h
+++ b/clang/lib/Driver/Tools.h
@@ -218,7 +218,7 @@ namespace arm {
 
 namespace mips {
   bool hasMipsAbiArg(const llvm::opt::ArgList &Args, const char *Value);
-  bool isNaN2008(const llvm::opt::ArgList &Args);
+  bool isNaN2008(const llvm::opt::ArgList &Args, const llvm::Triple &Triple);
 }
 
 namespace darwin {

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

diff --git a/clang/test/Driver/Inputs/mips_img_tree/lib/gcc/mips-img-linux-gnu/4.9.0/crtbegin.o b/clang/test/Driver/Inputs/mips_img_tree/lib/gcc/mips-img-linux-gnu/4.9.0/crtbegin.o
new file mode 100644 (file)
index 0000000..e69de29

diff --git a/clang/test/Driver/Inputs/mips_img_tree/lib/gcc/mips-img-linux-gnu/4.9.0/crtend.o b/clang/test/Driver/Inputs/mips_img_tree/lib/gcc/mips-img-linux-gnu/4.9.0/crtend.o
new file mode 100644 (file)
index 0000000..e69de29

diff --git a/clang/test/Driver/Inputs/mips_img_tree/lib/gcc/mips-img-linux-gnu/4.9.0/el/crtbegin.o b/clang/test/Driver/Inputs/mips_img_tree/lib/gcc/mips-img-linux-gnu/4.9.0/el/crtbegin.o
new file mode 100644 (file)
index 0000000..e69de29

diff --git a/clang/test/Driver/Inputs/mips_img_tree/lib/gcc/mips-img-linux-gnu/4.9.0/el/crtend.o b/clang/test/Driver/Inputs/mips_img_tree/lib/gcc/mips-img-linux-gnu/4.9.0/el/crtend.o
new file mode 100644 (file)
index 0000000..e69de29

diff --git a/clang/test/Driver/Inputs/mips_img_tree/lib/gcc/mips-img-linux-gnu/4.9.0/include-fixed/el/.keep b/clang/test/Driver/Inputs/mips_img_tree/lib/gcc/mips-img-linux-gnu/4.9.0/include-fixed/el/.keep
new file mode 100644 (file)
index 0000000..e69de29

diff --git a/clang/test/Driver/Inputs/mips_img_tree/lib/gcc/mips-img-linux-gnu/4.9.0/include-fixed/mips64r6/64/el/.keep b/clang/test/Driver/Inputs/mips_img_tree/lib/gcc/mips-img-linux-gnu/4.9.0/include-fixed/mips64r6/64/el/.keep
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diff --git a/clang/test/Driver/Inputs/mips_img_tree/lib/gcc/mips-img-linux-gnu/4.9.0/include-fixed/mips64r6/el/.keep b/clang/test/Driver/Inputs/mips_img_tree/lib/gcc/mips-img-linux-gnu/4.9.0/include-fixed/mips64r6/el/.keep
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diff --git a/clang/test/Driver/Inputs/mips_img_tree/lib/gcc/mips-img-linux-gnu/4.9.0/include/.keep b/clang/test/Driver/Inputs/mips_img_tree/lib/gcc/mips-img-linux-gnu/4.9.0/include/.keep
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diff --git a/clang/test/Driver/Inputs/mips_img_tree/lib/gcc/mips-img-linux-gnu/4.9.0/mips64r6/64/crtbegin.o b/clang/test/Driver/Inputs/mips_img_tree/lib/gcc/mips-img-linux-gnu/4.9.0/mips64r6/64/crtbegin.o
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diff --git a/clang/test/Driver/Inputs/mips_img_tree/lib/gcc/mips-img-linux-gnu/4.9.0/mips64r6/64/crtend.o b/clang/test/Driver/Inputs/mips_img_tree/lib/gcc/mips-img-linux-gnu/4.9.0/mips64r6/64/crtend.o
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diff --git a/clang/test/Driver/Inputs/mips_img_tree/lib/gcc/mips-img-linux-gnu/4.9.0/mips64r6/64/el/crtbegin.o b/clang/test/Driver/Inputs/mips_img_tree/lib/gcc/mips-img-linux-gnu/4.9.0/mips64r6/64/el/crtbegin.o
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diff --git a/clang/test/Driver/Inputs/mips_img_tree/lib/gcc/mips-img-linux-gnu/4.9.0/mips64r6/64/el/crtend.o b/clang/test/Driver/Inputs/mips_img_tree/lib/gcc/mips-img-linux-gnu/4.9.0/mips64r6/64/el/crtend.o
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diff --git a/clang/test/Driver/Inputs/mips_img_tree/lib/gcc/mips-img-linux-gnu/4.9.0/mips64r6/crtbegin.o b/clang/test/Driver/Inputs/mips_img_tree/lib/gcc/mips-img-linux-gnu/4.9.0/mips64r6/crtbegin.o
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diff --git a/clang/test/Driver/Inputs/mips_img_tree/lib/gcc/mips-img-linux-gnu/4.9.0/mips64r6/crtend.o b/clang/test/Driver/Inputs/mips_img_tree/lib/gcc/mips-img-linux-gnu/4.9.0/mips64r6/crtend.o
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diff --git a/clang/test/Driver/Inputs/mips_img_tree/lib/gcc/mips-img-linux-gnu/4.9.0/mips64r6/el/crtbegin.o b/clang/test/Driver/Inputs/mips_img_tree/lib/gcc/mips-img-linux-gnu/4.9.0/mips64r6/el/crtbegin.o
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diff --git a/clang/test/Driver/Inputs/mips_img_tree/lib/gcc/mips-img-linux-gnu/4.9.0/mips64r6/el/crtend.o b/clang/test/Driver/Inputs/mips_img_tree/lib/gcc/mips-img-linux-gnu/4.9.0/mips64r6/el/crtend.o
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diff --git a/clang/test/Driver/Inputs/mips_img_tree/mips-img-linux-gnu/bin/.keep b/clang/test/Driver/Inputs/mips_img_tree/mips-img-linux-gnu/bin/.keep
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diff --git a/clang/test/Driver/Inputs/mips_img_tree/mips-img-linux-gnu/include/c++/4.9.0/.keep b/clang/test/Driver/Inputs/mips_img_tree/mips-img-linux-gnu/include/c++/4.9.0/.keep
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diff --git a/clang/test/Driver/Inputs/mips_img_tree/mips-img-linux-gnu/lib/el/.keep b/clang/test/Driver/Inputs/mips_img_tree/mips-img-linux-gnu/lib/el/.keep
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diff --git a/clang/test/Driver/Inputs/mips_img_tree/mips-img-linux-gnu/lib/mips64r6/64/el/.keep b/clang/test/Driver/Inputs/mips_img_tree/mips-img-linux-gnu/lib/mips64r6/64/el/.keep
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diff --git a/clang/test/Driver/Inputs/mips_img_tree/mips-img-linux-gnu/lib/mips64r6/el/.keep b/clang/test/Driver/Inputs/mips_img_tree/mips-img-linux-gnu/lib/mips64r6/el/.keep
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diff --git a/clang/test/Driver/Inputs/mips_img_tree/sysroot/el/usr/bin/.keep b/clang/test/Driver/Inputs/mips_img_tree/sysroot/el/usr/bin/.keep
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diff --git a/clang/test/Driver/Inputs/mips_img_tree/sysroot/el/usr/lib/crt1.o b/clang/test/Driver/Inputs/mips_img_tree/sysroot/el/usr/lib/crt1.o
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diff --git a/clang/test/Driver/Inputs/mips_img_tree/sysroot/el/usr/lib/crti.o b/clang/test/Driver/Inputs/mips_img_tree/sysroot/el/usr/lib/crti.o
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diff --git a/clang/test/Driver/Inputs/mips_img_tree/sysroot/el/usr/lib/crtn.o b/clang/test/Driver/Inputs/mips_img_tree/sysroot/el/usr/lib/crtn.o
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diff --git a/clang/test/Driver/Inputs/mips_img_tree/sysroot/el/usr/sbin/.keep b/clang/test/Driver/Inputs/mips_img_tree/sysroot/el/usr/sbin/.keep
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diff --git a/clang/test/Driver/Inputs/mips_img_tree/sysroot/mips64r6/64/el/usr/bin/.keep b/clang/test/Driver/Inputs/mips_img_tree/sysroot/mips64r6/64/el/usr/bin/.keep
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diff --git a/clang/test/Driver/Inputs/mips_img_tree/sysroot/mips64r6/64/el/usr/lib/crt1.o b/clang/test/Driver/Inputs/mips_img_tree/sysroot/mips64r6/64/el/usr/lib/crt1.o
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diff --git a/clang/test/Driver/Inputs/mips_img_tree/sysroot/mips64r6/64/el/usr/lib/crti.o b/clang/test/Driver/Inputs/mips_img_tree/sysroot/mips64r6/64/el/usr/lib/crti.o
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diff --git a/clang/test/Driver/Inputs/mips_img_tree/sysroot/mips64r6/64/el/usr/lib/crtn.o b/clang/test/Driver/Inputs/mips_img_tree/sysroot/mips64r6/64/el/usr/lib/crtn.o
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diff --git a/clang/test/Driver/Inputs/mips_img_tree/sysroot/mips64r6/64/el/usr/sbin/.keep b/clang/test/Driver/Inputs/mips_img_tree/sysroot/mips64r6/64/el/usr/sbin/.keep
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diff --git a/clang/test/Driver/Inputs/mips_img_tree/sysroot/mips64r6/64/usr/bin/.keep b/clang/test/Driver/Inputs/mips_img_tree/sysroot/mips64r6/64/usr/bin/.keep
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diff --git a/clang/test/Driver/Inputs/mips_img_tree/sysroot/mips64r6/64/usr/lib/crt1.o b/clang/test/Driver/Inputs/mips_img_tree/sysroot/mips64r6/64/usr/lib/crt1.o
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diff --git a/clang/test/Driver/Inputs/mips_img_tree/sysroot/mips64r6/64/usr/lib/crti.o b/clang/test/Driver/Inputs/mips_img_tree/sysroot/mips64r6/64/usr/lib/crti.o
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diff --git a/clang/test/Driver/Inputs/mips_img_tree/sysroot/mips64r6/64/usr/lib/crtn.o b/clang/test/Driver/Inputs/mips_img_tree/sysroot/mips64r6/64/usr/lib/crtn.o
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diff --git a/clang/test/Driver/Inputs/mips_img_tree/sysroot/mips64r6/64/usr/sbin/.keep b/clang/test/Driver/Inputs/mips_img_tree/sysroot/mips64r6/64/usr/sbin/.keep
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diff --git a/clang/test/Driver/Inputs/mips_img_tree/sysroot/mips64r6/el/usr/bin/.keep b/clang/test/Driver/Inputs/mips_img_tree/sysroot/mips64r6/el/usr/bin/.keep
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diff --git a/clang/test/Driver/Inputs/mips_img_tree/sysroot/mips64r6/el/usr/lib/crt1.o b/clang/test/Driver/Inputs/mips_img_tree/sysroot/mips64r6/el/usr/lib/crt1.o
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diff --git a/clang/test/Driver/Inputs/mips_img_tree/sysroot/mips64r6/el/usr/lib/crti.o b/clang/test/Driver/Inputs/mips_img_tree/sysroot/mips64r6/el/usr/lib/crti.o
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diff --git a/clang/test/Driver/Inputs/mips_img_tree/sysroot/mips64r6/el/usr/lib/crtn.o b/clang/test/Driver/Inputs/mips_img_tree/sysroot/mips64r6/el/usr/lib/crtn.o
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diff --git a/clang/test/Driver/Inputs/mips_img_tree/sysroot/mips64r6/el/usr/sbin/.keep b/clang/test/Driver/Inputs/mips_img_tree/sysroot/mips64r6/el/usr/sbin/.keep
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diff --git a/clang/test/Driver/Inputs/mips_img_tree/sysroot/mips64r6/usr/bin/.keep b/clang/test/Driver/Inputs/mips_img_tree/sysroot/mips64r6/usr/bin/.keep
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diff --git a/clang/test/Driver/Inputs/mips_img_tree/sysroot/mips64r6/usr/lib/crt1.o b/clang/test/Driver/Inputs/mips_img_tree/sysroot/mips64r6/usr/lib/crt1.o
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diff --git a/clang/test/Driver/Inputs/mips_img_tree/sysroot/mips64r6/usr/lib/crti.o b/clang/test/Driver/Inputs/mips_img_tree/sysroot/mips64r6/usr/lib/crti.o
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diff --git a/clang/test/Driver/Inputs/mips_img_tree/sysroot/mips64r6/usr/lib/crtn.o b/clang/test/Driver/Inputs/mips_img_tree/sysroot/mips64r6/usr/lib/crtn.o
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diff --git a/clang/test/Driver/Inputs/mips_img_tree/sysroot/mips64r6/usr/sbin/.keep b/clang/test/Driver/Inputs/mips_img_tree/sysroot/mips64r6/usr/sbin/.keep
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diff --git a/clang/test/Driver/Inputs/mips_img_tree/sysroot/usr/bin/.keep b/clang/test/Driver/Inputs/mips_img_tree/sysroot/usr/bin/.keep
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diff --git a/clang/test/Driver/Inputs/mips_img_tree/sysroot/usr/include/.keep b/clang/test/Driver/Inputs/mips_img_tree/sysroot/usr/include/.keep
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diff --git a/clang/test/Driver/Inputs/mips_img_tree/sysroot/usr/lib/crt1.o b/clang/test/Driver/Inputs/mips_img_tree/sysroot/usr/lib/crt1.o
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diff --git a/clang/test/Driver/Inputs/mips_img_tree/sysroot/usr/lib/crti.o b/clang/test/Driver/Inputs/mips_img_tree/sysroot/usr/lib/crti.o
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diff --git a/clang/test/Driver/Inputs/mips_img_tree/sysroot/usr/lib/crtn.o b/clang/test/Driver/Inputs/mips_img_tree/sysroot/usr/lib/crtn.o
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diff --git a/clang/test/Driver/Inputs/mips_img_tree/sysroot/usr/sbin/.keep b/clang/test/Driver/Inputs/mips_img_tree/sysroot/usr/sbin/.keep
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diff --git a/clang/test/Driver/mips-img.cpp b/clang/test/Driver/mips-img.cpp
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+++ b/clang/test/Driver/mips-img.cpp
@@ -0,0 +1,163 @@
+// Check frontend and linker invocations on the IMG MIPS toolchain.
+//
+// = Big-endian, mips32r6
+// RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
+// RUN:     --target=mips-img-linux-gnu -mips32r6 \
+// RUN:     --gcc-toolchain=%S/Inputs/mips_img_tree \
+// RUN:   | FileCheck --check-prefix=CHECK-BE-32R6 %s
+// CHECK-BE-32R6: "-internal-isystem"
+// CHECK-BE-32R6: "[[TC:[^"]+/lib/gcc/mips-img-linux-gnu/4.9.0]]/../../../../mips-img-linux-gnu/include/c++/4.9.0"
+// CHECK-BE-32R6: "-internal-isystem"
+// CHECK-BE-32R6: "[[TC]]/../../../../mips-img-linux-gnu/include/c++/4.9.0/mips-img-linux-gnu"
+// CHECK-BE-32R6: "-internal-isystem"
+// CHECK-BE-32R6: "[[TC]]/../../../../mips-img-linux-gnu/include/c++/4.9.0/backward"
+// CHECK-BE-32R6: "-internal-externc-isystem"
+// CHECK-BE-32R6: "[[TC]]/include"
+// CHECK-BE-32R6: "-internal-externc-isystem"
+// CHECK-BE-32R6: "[[TC]]/../../../../sysroot/usr/include"
+// CHECK-BE-32R6: "{{.*}}ld{{(.exe)?}}"
+// CHECK-BE-32R6: "--sysroot=[[TC]]/../../../../sysroot"
+// CHECK-BE-32R6: "-dynamic-linker" "/lib/ld-linux-mipsn8.so.1"
+// CHECK-BE-32R6: "[[TC]]/../../../../sysroot/usr/lib/../lib{{/|\\\\}}crt1.o"
+// CHECK-BE-32R6: "[[TC]]/../../../../sysroot/usr/lib/../lib{{/|\\\\}}crti.o"
+// CHECK-BE-32R6: "[[TC]]{{/|\\\\}}crtbegin.o"
+// CHECK-BE-32R6: "-L[[TC]]"
+// CHECK-BE-32R6: "-L[[TC]]/../../../../mips-img-linux-gnu/lib/../lib"
+// CHECK-BE-32R6: "-L[[TC]]/../../../../sysroot/usr/lib/../lib"
+// CHECK-BE-32R6: "[[TC]]{{/|\\\\}}crtend.o"
+// CHECK-BE-32R6: "[[TC]]/../../../../sysroot/usr/lib/../lib{{/|\\\\}}crtn.o"
+//
+// = Little-endian, mips32r6
+// RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
+// RUN:     --target=mips-img-linux-gnu -mips32r6 -EL \
+// RUN:     --gcc-toolchain=%S/Inputs/mips_img_tree \
+// RUN:   | FileCheck --check-prefix=CHECK-LE-32R6 %s
+// CHECK-LE-32R6: "-internal-isystem"
+// CHECK-LE-32R6: "[[TC:[^"]+/lib/gcc/mips-img-linux-gnu/4.9.0]]/../../../../mips-img-linux-gnu/include/c++/4.9.0"
+// CHECK-LE-32R6: "-internal-isystem"
+// CHECK-LE-32R6: "[[TC]]/../../../../mips-img-linux-gnu/include/c++/4.9.0/mips-img-linux-gnu/el"
+// CHECK-LE-32R6: "-internal-isystem"
+// CHECK-LE-32R6: "[[TC]]/../../../../mips-img-linux-gnu/include/c++/4.9.0/backward"
+// CHECK-LE-32R6: "-internal-externc-isystem"
+// CHECK-LE-32R6: "[[TC]]/include"
+// CHECK-LE-32R6: "-internal-externc-isystem"
+// CHECK-LE-32R6: "[[TC]]/../../../../sysroot/usr/include"
+// CHECK-LE-32R6: "{{.*}}ld{{(.exe)?}}"
+// CHECK-LE-32R6: "--sysroot=[[TC]]/../../../../sysroot/el"
+// CHECK-LE-32R6: "-dynamic-linker" "/lib/ld-linux-mipsn8.so.1"
+// CHECK-LE-32R6: "[[TC]]/../../../../sysroot/el/usr/lib/../lib{{/|\\\\}}crt1.o"
+// CHECK-LE-32R6: "[[TC]]/../../../../sysroot/el/usr/lib/../lib{{/|\\\\}}crti.o"
+// CHECK-LE-32R6: "[[TC]]/el{{/|\\\\}}crtbegin.o"
+// CHECK-LE-32R6: "-L[[TC]]/el"
+// CHECK-LE-32R6: "-L[[TC]]/../../../../mips-img-linux-gnu/lib/../lib/el"
+// CHECK-LE-32R6: "-L[[TC]]/../../../../sysroot/el/usr/lib/../lib"
+// CHECK-LE-32R6: "[[TC]]/el{{/|\\\\}}crtend.o"
+// CHECK-LE-32R6: "[[TC]]/../../../../sysroot/el/usr/lib/../lib{{/|\\\\}}crtn.o"
+//
+// = Big-endian, mips64r6, N32
+// RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
+// RUN:     --target=mips64-img-linux-gnu -mips64r6 -mabi=n32 \
+// RUN:     --gcc-toolchain=%S/Inputs/mips_img_tree \
+// RUN:   | FileCheck --check-prefix=CHECK-BE-64R6-N32 %s
+// CHECK-BE-64R6-N32: "-internal-isystem"
+// CHECK-BE-64R6-N32: "[[TC:[^"]+/lib/gcc/mips-img-linux-gnu/4.9.0]]/../../../../mips-img-linux-gnu/include/c++/4.9.0"
+// CHECK-BE-64R6-N32: "-internal-isystem"
+// CHECK-BE-64R6-N32: "[[TC]]/../../../../mips-img-linux-gnu/include/c++/4.9.0/mips-img-linux-gnu/mips64r6"
+// CHECK-BE-64R6-N32: "-internal-isystem"
+// CHECK-BE-64R6-N32: "[[TC]]/../../../../mips-img-linux-gnu/include/c++/4.9.0/backward"
+// CHECK-BE-64R6-N32: "-internal-externc-isystem"
+// CHECK-BE-64R6-N32: "[[TC]]/include"
+// CHECK-BE-64R6-N32: "-internal-externc-isystem"
+// CHECK-BE-64R6-N32: "[[TC]]/../../../../sysroot/usr/include"
+// CHECK-BE-64R6-N32: "{{.*}}ld{{(.exe)?}}"
+// CHECK-BE-64R6-N32: "--sysroot=[[TC]]/../../../../sysroot/mips64r6"
+// CHECK-BE-64R6-N32: "-dynamic-linker" "/lib32/ld-linux-mipsn8.so.1"
+// CHECK-BE-64R6-N32: "[[TC]]/../../../../sysroot/mips64r6/usr/lib{{/|\\\\}}crt1.o"
+// CHECK-BE-64R6-N32: "[[TC]]/../../../../sysroot/mips64r6/usr/lib{{/|\\\\}}crti.o"
+// CHECK-BE-64R6-N32: "[[TC]]/mips64r6{{/|\\\\}}crtbegin.o"
+// CHECK-BE-64R6-N32: "-L[[TC]]/mips64r6"
+// CHECK-BE-64R6-N32: "-L[[TC]]/../../../../mips-img-linux-gnu/lib/mips64r6"
+// CHECK-BE-64R6-N32: "-L[[TC]]/../../../../sysroot/mips64r6/usr/lib"
+// CHECK-BE-64R6-N32: "[[TC]]/mips64r6{{/|\\\\}}crtend.o"
+// CHECK-BE-64R6-N32: "[[TC]]/../../../../sysroot/mips64r6/usr/lib{{/|\\\\}}crtn.o"
+//
+// = Little-endian, mips64r6, N32
+// RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
+// RUN:     --target=mips64-img-linux-gnu -mips64r6 -EL -mabi=n32 \
+// RUN:     --gcc-toolchain=%S/Inputs/mips_img_tree \
+// RUN:   | FileCheck --check-prefix=CHECK-LE-64R6-N32 %s
+// CHECK-LE-64R6-N32: "-internal-isystem"
+// CHECK-LE-64R6-N32: "[[TC:[^"]+/lib/gcc/mips-img-linux-gnu/4.9.0]]/../../../../mips-img-linux-gnu/include/c++/4.9.0"
+// CHECK-LE-64R6-N32: "-internal-isystem"
+// CHECK-LE-64R6-N32: "[[TC]]/../../../../mips-img-linux-gnu/include/c++/4.9.0/mips-img-linux-gnu/mips64r6/el"
+// CHECK-LE-64R6-N32: "-internal-isystem"
+// CHECK-LE-64R6-N32: "[[TC]]/../../../../mips-img-linux-gnu/include/c++/4.9.0/backward"
+// CHECK-LE-64R6-N32: "-internal-externc-isystem"
+// CHECK-LE-64R6-N32: "[[TC]]/include"
+// CHECK-LE-64R6-N32: "-internal-externc-isystem"
+// CHECK-LE-64R6-N32: "[[TC]]/../../../../sysroot/usr/include"
+// CHECK-LE-64R6-N32: "{{.*}}ld{{(.exe)?}}"
+// CHECK-LE-64R6-N32: "--sysroot=[[TC]]/../../../../sysroot/mips64r6/el"
+// CHECK-LE-64R6-N32: "-dynamic-linker" "/lib32/ld-linux-mipsn8.so.1"
+// CHECK-LE-64R6-N32: "[[TC]]/../../../../sysroot/mips64r6/el/usr/lib{{/|\\\\}}crt1.o"
+// CHECK-LE-64R6-N32: "[[TC]]/../../../../sysroot/mips64r6/el/usr/lib{{/|\\\\}}crti.o"
+// CHECK-LE-64R6-N32: "[[TC]]/mips64r6/el{{/|\\\\}}crtbegin.o"
+// CHECK-LE-64R6-N32: "-L[[TC]]/mips64r6/el"
+// CHECK-LE-64R6-N32: "-L[[TC]]/../../../../mips-img-linux-gnu/lib/mips64r6/el"
+// CHECK-LE-64R6-N32: "-L[[TC]]/../../../../sysroot/mips64r6/el/usr/lib"
+// CHECK-LE-64R6-N32: "[[TC]]/mips64r6/el{{/|\\\\}}crtend.o"
+// CHECK-LE-64R6-N32: "[[TC]]/../../../../sysroot/mips64r6/el/usr/lib{{/|\\\\}}crtn.o"
+//
+// = Big-endian, mips64r6, N64
+// RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
+// RUN:     --target=mips64-img-linux-gnu -mips64r6 -mabi=64 \
+// RUN:     --gcc-toolchain=%S/Inputs/mips_img_tree \
+// RUN:   | FileCheck --check-prefix=CHECK-BE-64R6-N64 %s
+// CHECK-BE-64R6-N64: "-internal-isystem"
+// CHECK-BE-64R6-N64: "[[TC:[^"]+/lib/gcc/mips-img-linux-gnu/4.9.0]]/../../../../mips-img-linux-gnu/include/c++/4.9.0"
+// CHECK-BE-64R6-N64: "-internal-isystem"
+// CHECK-BE-64R6-N64: "[[TC]]/../../../../mips-img-linux-gnu/include/c++/4.9.0/mips-img-linux-gnu/mips64r6/64"
+// CHECK-BE-64R6-N64: "-internal-isystem"
+// CHECK-BE-64R6-N64: "[[TC]]/../../../../mips-img-linux-gnu/include/c++/4.9.0/backward"
+// CHECK-BE-64R6-N64: "-internal-externc-isystem"
+// CHECK-BE-64R6-N64: "[[TC]]/include"
+// CHECK-BE-64R6-N64: "-internal-externc-isystem"
+// CHECK-BE-64R6-N64: "[[TC]]/../../../../sysroot/usr/include"
+// CHECK-BE-64R6-N64: "{{.*}}ld{{(.exe)?}}"
+// CHECK-BE-64R6-N64: "--sysroot=[[TC]]/../../../../sysroot/mips64r6/64"
+// CHECK-BE-64R6-N64: "-dynamic-linker" "/lib64/ld-linux-mipsn8.so.1"
+// CHECK-BE-64R6-N64: "[[TC]]/../../../../sysroot/mips64r6/64/usr/lib{{/|\\\\}}crt1.o"
+// CHECK-BE-64R6-N64: "[[TC]]/../../../../sysroot/mips64r6/64/usr/lib{{/|\\\\}}crti.o"
+// CHECK-BE-64R6-N64: "[[TC]]/mips64r6/64{{/|\\\\}}crtbegin.o"
+// CHECK-BE-64R6-N64: "-L[[TC]]/mips64r6/64"
+// CHECK-BE-64R6-N64: "-L[[TC]]/../../../../mips-img-linux-gnu/lib/mips64r6/64"
+// CHECK-BE-64R6-N64: "-L[[TC]]/../../../../sysroot/mips64r6/64/usr/lib"
+// CHECK-BE-64R6-N64: "[[TC]]/mips64r6/64{{/|\\\\}}crtend.o"
+// CHECK-BE-64R6-N64: "[[TC]]/../../../../sysroot/mips64r6/64/usr/lib{{/|\\\\}}crtn.o"
+//
+// = Little-endian, mips64r6, N64
+// RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
+// RUN:     --target=mips64-img-linux-gnu -mips64r6 -EL -mabi=64 \
+// RUN:     --gcc-toolchain=%S/Inputs/mips_img_tree \
+// RUN:   | FileCheck --check-prefix=CHECK-LE-64R6-N64 %s
+// CHECK-LE-64R6-N64: "-internal-isystem"
+// CHECK-LE-64R6-N64: "[[TC:[^"]+/lib/gcc/mips-img-linux-gnu/4.9.0]]/../../../../mips-img-linux-gnu/include/c++/4.9.0"
+// CHECK-LE-64R6-N64: "-internal-isystem"
+// CHECK-LE-64R6-N64: "[[TC]]/../../../../mips-img-linux-gnu/include/c++/4.9.0/mips-img-linux-gnu/mips64r6/64/el"
+// CHECK-LE-64R6-N64: "-internal-isystem"
+// CHECK-LE-64R6-N64: "[[TC]]/../../../../mips-img-linux-gnu/include/c++/4.9.0/backward"
+// CHECK-LE-64R6-N64: "-internal-externc-isystem"
+// CHECK-LE-64R6-N64: "[[TC]]/include"
+// CHECK-LE-64R6-N64: "-internal-externc-isystem"
+// CHECK-LE-64R6-N64: "[[TC]]/../../../../sysroot/usr/include"
+// CHECK-LE-64R6-N64: "{{.*}}ld{{(.exe)?}}"
+// CHECK-LE-64R6-N64: "--sysroot=[[TC]]/../../../../sysroot/mips64r6/64/el"
+// CHECK-LE-64R6-N64: "-dynamic-linker" "/lib64/ld-linux-mipsn8.so.1"
+// CHECK-LE-64R6-N64: "[[TC]]/../../../../sysroot/mips64r6/64/el/usr/lib{{/|\\\\}}crt1.o"
+// CHECK-LE-64R6-N64: "[[TC]]/../../../../sysroot/mips64r6/64/el/usr/lib{{/|\\\\}}crti.o"
+// CHECK-LE-64R6-N64: "[[TC]]/mips64r6/64/el{{/|\\\\}}crtbegin.o"
+// CHECK-LE-64R6-N64: "-L[[TC]]/mips64r6/64/el"
+// CHECK-LE-64R6-N64: "-L[[TC]]/../../../../mips-img-linux-gnu/lib/mips64r6/64/el"
+// CHECK-LE-64R6-N64: "-L[[TC]]/../../../../sysroot/mips64r6/64/el/usr/lib"
+// CHECK-LE-64R6-N64: "[[TC]]/mips64r6/64/el{{/|\\\\}}crtend.o"
+// CHECK-LE-64R6-N64: "[[TC]]/../../../../sysroot/mips64r6/64/el/usr/lib{{/|\\\\}}crtn.o"