[Driver][Mips] Support mips64-linux-gnuabi64 / mips64el-linux-gnuabi64 target triples.

The patch fixes the bug #19869.
http://llvm.org/bugs/show_bug.cgi?id=19869

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@211619 91177308-0d34-0410-b5e6-96231b3b80d8

20 files changed, 110 insertions, 2 deletions

diff --git a/lib/Driver/ToolChains.cpp b/lib/Driver/ToolChains.cpp
index 68178989ff..640cb92a93 100644
--- a/lib/Driver/ToolChains.cpp
+++ b/lib/Driver/ToolChains.cpp
@@ -1360,11 +1360,13 @@ bool Generic_GCC::GCCInstallationDetector::getBiarchSibling(Multilib &M) const {
 
   static const char *const MIPS64LibDirs[] = { "/lib64", "/lib" };
   static const char *const MIPS64Triples[] = { "mips64-linux-gnu",
-                                               "mips-mti-linux-gnu" };
+                                               "mips-mti-linux-gnu",
+                                               "mips64-linux-gnuabi64" };
   static const char *const MIPS64ELLibDirs[] = { "/lib64", "/lib" };
   static const char *const MIPS64ELTriples[] = { "mips64el-linux-gnu",
                                                  "mips-mti-linux-gnu",
-                                                 "mips64el-linux-android" };
+                                                 "mips64el-linux-android",
+                                                 "mips64el-linux-gnuabi64" };
 
   static const char *const PPCLibDirs[] = { "/lib32", "/lib" };
   static const char *const PPCTriples[] = {
@@ -1916,6 +1918,18 @@ static bool findMIPSMultilibs(const llvm::Triple &TargetTriple, StringRef Path,
     }
   }
 
+  {
+    // Fallback to the regular toolchain-tree structure.
+    Multilib Default;
+    Result.Multilibs.push_back(Default);
+    Result.Multilibs.FilterOut(NonExistent);
+
+    if (Result.Multilibs.select(Flags, Result.SelectedMultilib)) {
+      Result.BiarchSibling = Multilib();
+      return true;
+    }
+  }
+
   return false;
 }
 
@@ -2910,6 +2924,18 @@ static std::string getMultiarchTriple(const llvm::Triple &TargetTriple,
     if (llvm::sys::fs::exists(SysRoot + "/lib/mipsel-linux-gnu"))
       return "mipsel-linux-gnu";
     return TargetTriple.str();
+  case llvm::Triple::mips64:
+    if (llvm::sys::fs::exists(SysRoot + "/lib/mips64-linux-gnu"))
+      return "mips64-linux-gnu";
+    if (llvm::sys::fs::exists(SysRoot + "/lib/mips64-linux-gnuabi64"))
+      return "mips64-linux-gnuabi64";
+    return TargetTriple.str();
+  case llvm::Triple::mips64el:
+    if (llvm::sys::fs::exists(SysRoot + "/lib/mips64el-linux-gnu"))
+      return "mips64el-linux-gnu";
+    if (llvm::sys::fs::exists(SysRoot + "/lib/mips64el-linux-gnuabi64"))
+      return "mips64el-linux-gnuabi64";
+    return TargetTriple.str();
   case llvm::Triple::ppc:
     if (llvm::sys::fs::exists(SysRoot + "/lib/powerpc-linux-gnuspe"))
       return "powerpc-linux-gnuspe";
@@ -3258,6 +3284,14 @@ void Linux::AddClangSystemIncludeArgs(const ArgList &DriverArgs,
   const StringRef MIPSELMultiarchIncludeDirs[] = {
     "/usr/include/mipsel-linux-gnu"
   };
+  const StringRef MIPS64MultiarchIncludeDirs[] = {
+    "/usr/include/mips64-linux-gnu",
+    "/usr/include/mips64-linux-gnuabi64"
+  };
+  const StringRef MIPS64ELMultiarchIncludeDirs[] = {
+    "/usr/include/mips64el-linux-gnu",
+    "/usr/include/mips64el-linux-gnuabi64"
+  };
   const StringRef PPCMultiarchIncludeDirs[] = {
     "/usr/include/powerpc-linux-gnu"
   };
@@ -3286,6 +3320,10 @@ void Linux::AddClangSystemIncludeArgs(const ArgList &DriverArgs,
     MultiarchIncludeDirs = MIPSMultiarchIncludeDirs;
   } else if (getTriple().getArch() == llvm::Triple::mipsel) {
     MultiarchIncludeDirs = MIPSELMultiarchIncludeDirs;
+  } else if (getTriple().getArch() == llvm::Triple::mips64) {
+    MultiarchIncludeDirs = MIPS64MultiarchIncludeDirs;
+  } else if (getTriple().getArch() == llvm::Triple::mips64el) {
+    MultiarchIncludeDirs = MIPS64ELMultiarchIncludeDirs;
   } else if (getTriple().getArch() == llvm::Triple::ppc) {
     MultiarchIncludeDirs = PPCMultiarchIncludeDirs;
   } else if (getTriple().getArch() == llvm::Triple::ppc64) {
diff --git a/test/Driver/Inputs/debian_6_mips64_tree/lib/mips64-linux-gnuabi64/.keep b/test/Driver/Inputs/debian_6_mips64_tree/lib/mips64-linux-gnuabi64/.keep
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/test/Driver/Inputs/debian_6_mips64_tree/lib/mips64-linux-gnuabi64/.keep
diff --git a/test/Driver/Inputs/debian_6_mips64_tree/lib/mips64el-linux-gnuabi64/.keep b/test/Driver/Inputs/debian_6_mips64_tree/lib/mips64el-linux-gnuabi64/.keep
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/test/Driver/Inputs/debian_6_mips64_tree/lib/mips64el-linux-gnuabi64/.keep
diff --git a/test/Driver/Inputs/debian_6_mips64_tree/usr/include/c++/4.9/backward/.keep b/test/Driver/Inputs/debian_6_mips64_tree/usr/include/c++/4.9/backward/.keep
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/test/Driver/Inputs/debian_6_mips64_tree/usr/include/c++/4.9/backward/.keep
diff --git a/test/Driver/Inputs/debian_6_mips64_tree/usr/include/c++/4.9/mips64-linux-gnuabi64/.keep b/test/Driver/Inputs/debian_6_mips64_tree/usr/include/c++/4.9/mips64-linux-gnuabi64/.keep
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/test/Driver/Inputs/debian_6_mips64_tree/usr/include/c++/4.9/mips64-linux-gnuabi64/.keep
diff --git a/test/Driver/Inputs/debian_6_mips64_tree/usr/include/c++/4.9/mips64el-linux-gnuabi64/.keep b/test/Driver/Inputs/debian_6_mips64_tree/usr/include/c++/4.9/mips64el-linux-gnuabi64/.keep
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/test/Driver/Inputs/debian_6_mips64_tree/usr/include/c++/4.9/mips64el-linux-gnuabi64/.keep
diff --git a/test/Driver/Inputs/debian_6_mips64_tree/usr/include/mips64-linux-gnuabi64/.keep b/test/Driver/Inputs/debian_6_mips64_tree/usr/include/mips64-linux-gnuabi64/.keep
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/test/Driver/Inputs/debian_6_mips64_tree/usr/include/mips64-linux-gnuabi64/.keep
diff --git a/test/Driver/Inputs/debian_6_mips64_tree/usr/include/mips64el-linux-gnuabi64/.keep b/test/Driver/Inputs/debian_6_mips64_tree/usr/include/mips64el-linux-gnuabi64/.keep
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/test/Driver/Inputs/debian_6_mips64_tree/usr/include/mips64el-linux-gnuabi64/.keep
diff --git a/test/Driver/Inputs/debian_6_mips64_tree/usr/lib/gcc/mips64-linux-gnuabi64/4.9/crtbegin.o b/test/Driver/Inputs/debian_6_mips64_tree/usr/lib/gcc/mips64-linux-gnuabi64/4.9/crtbegin.o
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/test/Driver/Inputs/debian_6_mips64_tree/usr/lib/gcc/mips64-linux-gnuabi64/4.9/crtbegin.o
diff --git a/test/Driver/Inputs/debian_6_mips64_tree/usr/lib/gcc/mips64-linux-gnuabi64/4.9/crtend.o b/test/Driver/Inputs/debian_6_mips64_tree/usr/lib/gcc/mips64-linux-gnuabi64/4.9/crtend.o
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/test/Driver/Inputs/debian_6_mips64_tree/usr/lib/gcc/mips64-linux-gnuabi64/4.9/crtend.o
diff --git a/test/Driver/Inputs/debian_6_mips64_tree/usr/lib/gcc/mips64el-linux-gnuabi64/4.9/crtbegin.o b/test/Driver/Inputs/debian_6_mips64_tree/usr/lib/gcc/mips64el-linux-gnuabi64/4.9/crtbegin.o
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/test/Driver/Inputs/debian_6_mips64_tree/usr/lib/gcc/mips64el-linux-gnuabi64/4.9/crtbegin.o
diff --git a/test/Driver/Inputs/debian_6_mips64_tree/usr/lib/gcc/mips64el-linux-gnuabi64/4.9/crtend.o b/test/Driver/Inputs/debian_6_mips64_tree/usr/lib/gcc/mips64el-linux-gnuabi64/4.9/crtend.o
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/test/Driver/Inputs/debian_6_mips64_tree/usr/lib/gcc/mips64el-linux-gnuabi64/4.9/crtend.o
diff --git a/test/Driver/Inputs/debian_6_mips64_tree/usr/lib/mips64-linux-gnuabi64/crt1.o b/test/Driver/Inputs/debian_6_mips64_tree/usr/lib/mips64-linux-gnuabi64/crt1.o
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/test/Driver/Inputs/debian_6_mips64_tree/usr/lib/mips64-linux-gnuabi64/crt1.o
diff --git a/test/Driver/Inputs/debian_6_mips64_tree/usr/lib/mips64-linux-gnuabi64/crti.o b/test/Driver/Inputs/debian_6_mips64_tree/usr/lib/mips64-linux-gnuabi64/crti.o
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/test/Driver/Inputs/debian_6_mips64_tree/usr/lib/mips64-linux-gnuabi64/crti.o
diff --git a/test/Driver/Inputs/debian_6_mips64_tree/usr/lib/mips64-linux-gnuabi64/crtn.o b/test/Driver/Inputs/debian_6_mips64_tree/usr/lib/mips64-linux-gnuabi64/crtn.o
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/test/Driver/Inputs/debian_6_mips64_tree/usr/lib/mips64-linux-gnuabi64/crtn.o
diff --git a/test/Driver/Inputs/debian_6_mips64_tree/usr/lib/mips64el-linux-gnuabi64/crt1.o b/test/Driver/Inputs/debian_6_mips64_tree/usr/lib/mips64el-linux-gnuabi64/crt1.o
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/test/Driver/Inputs/debian_6_mips64_tree/usr/lib/mips64el-linux-gnuabi64/crt1.o
diff --git a/test/Driver/Inputs/debian_6_mips64_tree/usr/lib/mips64el-linux-gnuabi64/crti.o b/test/Driver/Inputs/debian_6_mips64_tree/usr/lib/mips64el-linux-gnuabi64/crti.o
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/test/Driver/Inputs/debian_6_mips64_tree/usr/lib/mips64el-linux-gnuabi64/crti.o
diff --git a/test/Driver/Inputs/debian_6_mips64_tree/usr/lib/mips64el-linux-gnuabi64/crtn.o b/test/Driver/Inputs/debian_6_mips64_tree/usr/lib/mips64el-linux-gnuabi64/crtn.o
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/test/Driver/Inputs/debian_6_mips64_tree/usr/lib/mips64el-linux-gnuabi64/crtn.o
diff --git a/test/Driver/linux-header-search.cpp b/test/Driver/linux-header-search.cpp
index b465e8bec2..ced60f4767 100644
--- a/test/Driver/linux-header-search.cpp
+++ b/test/Driver/linux-header-search.cpp
@@ -197,3 +197,35 @@
 // CHECK-GENTOO-4-6-4: "-internal-isystem" "{{.*}}{{/|\\\\}}lib{{(64|32)?}}{{/|\\\\}}clang{{/|\\\\}}{{[0-9]\.[0-9]\.[0-9]}}{{/|\\\\}}include"
 // CHECK-GENTOO-4-6-4: "-internal-externc-isystem" "[[SYSROOT]]/include"
 // CHECK-GENTOO-4-6-4: "-internal-externc-isystem" "[[SYSROOT]]/usr/include"
+//
+// Check header search on Debian 6 / MIPS64
+// RUN: %clang -no-canonical-prefixes %s -### -fsyntax-only 2>&1 \
+// RUN:     -target mips64-unknown-linux-gnuabi64 \
+// RUN:     --sysroot=%S/Inputs/debian_6_mips64_tree \
+// RUN:   | FileCheck --check-prefix=CHECK-MIPS64-GNUABI %s
+// CHECK-MIPS64-GNUABI: "{{[^"]*}}clang{{[^"]*}}" "-cc1"
+// CHECK-MIPS64-GNUABI: "-isysroot" "[[SYSROOT:[^"]+]]"
+// CHECK-MIPS64-GNUABI: "-internal-isystem" "[[SYSROOT]]/usr/lib/gcc/mips64-linux-gnuabi64/4.9/../../../../include/c++/4.9"
+// CHECK-MIPS64-GNUABI: "-internal-isystem" "[[SYSROOT]]/usr/lib/gcc/mips64-linux-gnuabi64/4.9/../../../../include/c++/4.9/mips64-linux-gnuabi64"
+// CHECK-MIPS64-GNUABI: "-internal-isystem" "[[SYSROOT]]/usr/lib/gcc/mips64-linux-gnuabi64/4.9/../../../../include/c++/4.9/backward"
+// CHECK-MIPS64-GNUABI: "-internal-isystem" "[[SYSROOT]]/usr/local/include"
+// CHECK-MIPS64-GNUABI: "-internal-isystem" "{{.*}}{{/|\\\\}}lib{{(64|32)?}}{{/|\\\\}}clang{{/|\\\\}}{{[0-9]\.[0-9]\.[0-9]}}{{/|\\\\}}include"
+// CHECK-MIPS64-GNUABI: "-internal-externc-isystem" "[[SYSROOT]]/usr/include/mips64-linux-gnuabi64"
+// CHECK-MIPS64-GNUABI: "-internal-externc-isystem" "[[SYSROOT]]/include"
+// CHECK-MIPS64-GNUABI: "-internal-externc-isystem" "[[SYSROOT]]/usr/include"
+//
+// Check header search on Debian 6 / MIPS64
+// RUN: %clang -no-canonical-prefixes %s -### -fsyntax-only 2>&1 \
+// RUN:     -target mips64el-unknown-linux-gnuabi64 \
+// RUN:     --sysroot=%S/Inputs/debian_6_mips64_tree \
+// RUN:   | FileCheck --check-prefix=CHECK-MIPS64EL-GNUABI %s
+// CHECK-MIPS64EL-GNUABI: "{{[^"]*}}clang{{[^"]*}}" "-cc1"
+// CHECK-MIPS64EL-GNUABI: "-isysroot" "[[SYSROOT:[^"]+]]"
+// CHECK-MIPS64EL-GNUABI: "-internal-isystem" "[[SYSROOT]]/usr/lib/gcc/mips64el-linux-gnuabi64/4.9/../../../../include/c++/4.9"
+// CHECK-MIPS64EL-GNUABI: "-internal-isystem" "[[SYSROOT]]/usr/lib/gcc/mips64el-linux-gnuabi64/4.9/../../../../include/c++/4.9/mips64el-linux-gnuabi64"
+// CHECK-MIPS64EL-GNUABI: "-internal-isystem" "[[SYSROOT]]/usr/lib/gcc/mips64el-linux-gnuabi64/4.9/../../../../include/c++/4.9/backward"
+// CHECK-MIPS64EL-GNUABI: "-internal-isystem" "[[SYSROOT]]/usr/local/include"
+// CHECK-MIPS64EL-GNUABI: "-internal-isystem" "{{.*}}{{/|\\\\}}lib{{(64|32)?}}{{/|\\\\}}clang{{/|\\\\}}{{[0-9]\.[0-9]\.[0-9]}}{{/|\\\\}}include"
+// CHECK-MIPS64EL-GNUABI: "-internal-externc-isystem" "[[SYSROOT]]/usr/include/mips64el-linux-gnuabi64"
+// CHECK-MIPS64EL-GNUABI: "-internal-externc-isystem" "[[SYSROOT]]/include"
+// CHECK-MIPS64EL-GNUABI: "-internal-externc-isystem" "[[SYSROOT]]/usr/include"
diff --git a/test/Driver/linux-ld.c b/test/Driver/linux-ld.c
index 86a643d317..c476ec24f9 100644
--- a/test/Driver/linux-ld.c
+++ b/test/Driver/linux-ld.c
@@ -1014,6 +1014,44 @@
 // CHECK-DEBIAN-ML-MIPS64EL-N32: "-L[[SYSROOT]]/lib"
 // CHECK-DEBIAN-ML-MIPS64EL-N32: "-L[[SYSROOT]]/usr/lib"
 //
+// RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
+// RUN:     --target=mips64-linux-gnuabi64 -mabi=n64 \
+// RUN:     --sysroot=%S/Inputs/debian_6_mips64_tree \
+// RUN:   | FileCheck --check-prefix=CHECK-DEBIAN-ML-MIPS64-GNUABI %s
+// CHECK-DEBIAN-ML-MIPS64-GNUABI: "{{.*}}ld{{(.exe)?}}" "--sysroot=[[SYSROOT:[^"]+]]"
+// CHECK-DEBIAN-ML-MIPS64-GNUABI: "{{.*}}/usr/lib/gcc/mips64-linux-gnuabi64/4.9/../../../mips64-linux-gnuabi64{{/|\\\\}}crt1.o"
+// CHECK-DEBIAN-ML-MIPS64-GNUABI: "{{.*}}/usr/lib/gcc/mips64-linux-gnuabi64/4.9/../../../mips64-linux-gnuabi64{{/|\\\\}}crti.o"
+// CHECK-DEBIAN-ML-MIPS64-GNUABI: "{{.*}}/usr/lib/gcc/mips64-linux-gnuabi64/4.9{{/|\\\\}}crtbegin.o"
+// CHECK-DEBIAN-ML-MIPS64-GNUABI: "-L[[SYSROOT]]/usr/lib/gcc/mips64-linux-gnuabi64/4.9"
+// CHECK-DEBIAN-ML-MIPS64-GNUABI: "-L[[SYSROOT]]/usr/lib/gcc/mips64-linux-gnuabi64/4.9/../../../mips64-linux-gnuabi64"
+// CHECK-DEBIAN-ML-MIPS64-GNUABI: "-L[[SYSROOT]]/lib/mips64-linux-gnuabi64"
+// CHECK-DEBIAN-ML-MIPS64-GNUABI: "-L[[SYSROOT]]/usr/lib/mips64-linux-gnuabi64"
+// CHECK-DEBIAN-ML-MIPS64-GNUABI: "-L[[SYSROOT]]/usr/lib/gcc/mips64-linux-gnuabi64/4.9"
+// CHECK-DEBIAN-ML-MIPS64-GNUABI: "-L[[SYSROOT]]/usr/lib/gcc/mips64-linux-gnuabi64/4.9/../../.."
+// CHECK-DEBIAN-ML-MIPS64-GNUABI: "-L[[SYSROOT]]/lib"
+// CHECK-DEBIAN-ML-MIPS64-GNUABI: "-L[[SYSROOT]]/usr/lib"
+// CHECK-DEBIAN-ML-MIPS64-GNUABI: "{{.*}}/usr/lib/gcc/mips64-linux-gnuabi64/4.9{{/|\\\\}}crtend.o"
+// CHECK-DEBIAN-ML-MIPS64-GNUABI: "{{.*}}/usr/lib/gcc/mips64-linux-gnuabi64/4.9/../../../mips64-linux-gnuabi64{{/|\\\\}}crtn.o"
+//
+// RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
+// RUN:     --target=mips64el-linux-gnuabi64 -mabi=n64 \
+// RUN:     --sysroot=%S/Inputs/debian_6_mips64_tree \
+// RUN:   | FileCheck --check-prefix=CHECK-DEBIAN-ML-MIPS64EL-GNUABI %s
+// CHECK-DEBIAN-ML-MIPS64EL-GNUABI: "{{.*}}ld{{(.exe)?}}" "--sysroot=[[SYSROOT:[^"]+]]"
+// CHECK-DEBIAN-ML-MIPS64EL-GNUABI: "{{.*}}/usr/lib/gcc/mips64el-linux-gnuabi64/4.9/../../../mips64el-linux-gnuabi64{{/|\\\\}}crt1.o"
+// CHECK-DEBIAN-ML-MIPS64EL-GNUABI: "{{.*}}/usr/lib/gcc/mips64el-linux-gnuabi64/4.9/../../../mips64el-linux-gnuabi64{{/|\\\\}}crti.o"
+// CHECK-DEBIAN-ML-MIPS64EL-GNUABI: "{{.*}}/usr/lib/gcc/mips64el-linux-gnuabi64/4.9{{/|\\\\}}crtbegin.o"
+// CHECK-DEBIAN-ML-MIPS64EL-GNUABI: "-L[[SYSROOT]]/usr/lib/gcc/mips64el-linux-gnuabi64/4.9"
+// CHECK-DEBIAN-ML-MIPS64EL-GNUABI: "-L[[SYSROOT]]/usr/lib/gcc/mips64el-linux-gnuabi64/4.9/../../../mips64el-linux-gnuabi64"
+// CHECK-DEBIAN-ML-MIPS64EL-GNUABI: "-L[[SYSROOT]]/lib/mips64el-linux-gnuabi64"
+// CHECK-DEBIAN-ML-MIPS64EL-GNUABI: "-L[[SYSROOT]]/usr/lib/mips64el-linux-gnuabi64"
+// CHECK-DEBIAN-ML-MIPS64EL-GNUABI: "-L[[SYSROOT]]/usr/lib/gcc/mips64el-linux-gnuabi64/4.9"
+// CHECK-DEBIAN-ML-MIPS64EL-GNUABI: "-L[[SYSROOT]]/usr/lib/gcc/mips64el-linux-gnuabi64/4.9/../../.."
+// CHECK-DEBIAN-ML-MIPS64EL-GNUABI: "-L[[SYSROOT]]/lib"
+// CHECK-DEBIAN-ML-MIPS64EL-GNUABI: "-L[[SYSROOT]]/usr/lib"
+// CHECK-DEBIAN-ML-MIPS64EL-GNUABI: "{{.*}}/usr/lib/gcc/mips64el-linux-gnuabi64/4.9{{/|\\\\}}crtend.o"
+// CHECK-DEBIAN-ML-MIPS64EL-GNUABI: "{{.*}}/usr/lib/gcc/mips64el-linux-gnuabi64/4.9/../../../mips64el-linux-gnuabi64{{/|\\\\}}crtn.o"
+//
 // Test linker invocation for Freescale SDK (OpenEmbedded).
 // RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
 // RUN:     --target=powerpc-fsl-linux \