AArch64_be specific clang target settings

llvm-svn: 203918

4 files changed, 36 insertions, 3 deletions

diff --git a/clang/lib/Driver/ToolChains.cpp b/clang/lib/Driver/ToolChains.cpp
index d597da8ecb3..b0ea47bd86f 100644
--- a/clang/lib/Driver/ToolChains.cpp
+++ b/clang/lib/Driver/ToolChains.cpp
@@ -1298,6 +1298,9 @@ bool Generic_GCC::GCCInstallationDetector::getBiarchSibling(Multilib &M) const {
   static const char *const AArch64LibDirs[] = { "/lib" };
   static const char *const AArch64Triples[] = { "aarch64-none-linux-gnu",
                                                 "aarch64-linux-gnu" };
+  static const char *const AArch64beLibDirs[] = { "/lib" };
+  static const char *const AArch64beTriples[] = { "aarch64_be-none-linux-gnu",
+                                                  "aarch64_be-linux-gnu" };
 
   static const char *const ARMLibDirs[] = { "/lib" };
   static const char *const ARMTriples[] = { "arm-linux-gnueabi",
@@ -1366,7 +1369,6 @@ bool Generic_GCC::GCCInstallationDetector::getBiarchSibling(Multilib &M) const {
 
   switch (TargetTriple.getArch()) {
   case llvm::Triple::aarch64:
-  case llvm::Triple::aarch64_be:
     LibDirs.append(AArch64LibDirs,
                    AArch64LibDirs + llvm::array_lengthof(AArch64LibDirs));
     TripleAliases.append(AArch64Triples,
@@ -1376,6 +1378,16 @@ bool Generic_GCC::GCCInstallationDetector::getBiarchSibling(Multilib &M) const {
     BiarchTripleAliases.append(
         AArch64Triples, AArch64Triples + llvm::array_lengthof(AArch64Triples));
     break;
+  case llvm::Triple::aarch64_be:
+    LibDirs.append(AArch64beLibDirs,
+                   AArch64beLibDirs + llvm::array_lengthof(AArch64beLibDirs));
+    TripleAliases.append(AArch64beTriples,
+                         AArch64beTriples + llvm::array_lengthof(AArch64beTriples));
+    BiarchLibDirs.append(AArch64beLibDirs,
+                         AArch64beLibDirs + llvm::array_lengthof(AArch64beLibDirs));
+    BiarchTripleAliases.append(
+        AArch64beTriples, AArch64beTriples + llvm::array_lengthof(AArch64beTriples));
+    break;
   case llvm::Triple::arm:
   case llvm::Triple::thumb:
     LibDirs.append(ARMLibDirs, ARMLibDirs + llvm::array_lengthof(ARMLibDirs));
@@ -2788,10 +2800,13 @@ static std::string getMultiarchTriple(const llvm::Triple &TargetTriple,
       return "x86_64-linux-gnu";
     return TargetTriple.str();
   case llvm::Triple::aarch64:
-  case llvm::Triple::aarch64_be:
     if (llvm::sys::fs::exists(SysRoot + "/lib/aarch64-linux-gnu"))
       return "aarch64-linux-gnu";
     return TargetTriple.str();
+  case llvm::Triple::aarch64_be:
+    if (llvm::sys::fs::exists(SysRoot + "/lib/aarch64_be-linux-gnu"))
+      return "aarch64_be-linux-gnu";
+    return TargetTriple.str();
   case llvm::Triple::mips:
     if (llvm::sys::fs::exists(SysRoot + "/lib/mips-linux-gnu"))
       return "mips-linux-gnu";
diff --git a/clang/lib/Driver/Tools.cpp b/clang/lib/Driver/Tools.cpp
index 73f8aa8aafe..b0572b71912 100644
--- a/clang/lib/Driver/Tools.cpp
+++ b/clang/lib/Driver/Tools.cpp
@@ -6668,6 +6668,8 @@ static StringRef getLinuxDynamicLinker(const ArgList &Args,
     return "/lib/ld-linux.so.2";
   else if (ToolChain.getArch() == llvm::Triple::aarch64)
     return "/lib/ld-linux-aarch64.so.1";
+  else if (ToolChain.getArch() == llvm::Triple::aarch64_be)
+    return "/lib/ld-linux-aarch64_be.so.1";
   else if (ToolChain.getArch() == llvm::Triple::arm ||
            ToolChain.getArch() == llvm::Triple::thumb) {
     if (ToolChain.getTriple().getEnvironment() == llvm::Triple::GNUEABIHF)
@@ -6760,6 +6762,8 @@ void gnutools::Link::ConstructJob(Compilation &C, const JobAction &JA,
     CmdArgs.push_back("elf_i386");
   else if (ToolChain.getArch() == llvm::Triple::aarch64)
     CmdArgs.push_back("aarch64linux");
+  else if (ToolChain.getArch() == llvm::Triple::aarch64_be)
+    CmdArgs.push_back("aarch64_be_linux");
   else if (ToolChain.getArch() == llvm::Triple::arm
            ||  ToolChain.getArch() == llvm::Triple::thumb)
     CmdArgs.push_back("armelf_linux_eabi");
diff --git a/clang/test/CodeGen/aarch64-type-sizes.c b/clang/test/CodeGen/aarch64-type-sizes.c
index 3b9c9fc4264..f9e55f7e1ff 100644
--- a/clang/test/CodeGen/aarch64-type-sizes.c
+++ b/clang/test/CodeGen/aarch64-type-sizes.c
@@ -1,7 +1,11 @@
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -emit-llvm -w -o - %s | FileCheck %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -emit-llvm -w -o - %s | FileCheck --check-prefix=CHECK --check-prefix=CHECK-LE %s
 
+// RUN: %clang_cc1 -triple aarch64_be-none-linux-gnu -emit-llvm -w -o - %s | FileCheck --check-prefix=CHECK --check-prefix=CHECK-BE %s
 // char by definition has size 1
 
+// CHECK-LE: target datalayout = "e-m:e-i64:64-i128:128-n32:64-S128"
+// CHECK-BE: target datalayout = "E-m:e-i64:64-i128:128-n32:64-S128"
+
 int check_short() {
   return sizeof(short);
 // CHECK: ret i32 2
diff --git a/clang/test/Driver/aarch64-cpus.c b/clang/test/Driver/aarch64-cpus.c
index 799ce1042a0..4e32b3fb6af 100644
--- a/clang/test/Driver/aarch64-cpus.c
+++ b/clang/test/Driver/aarch64-cpus.c
@@ -8,3 +8,13 @@
 
 // RUN: %clang -target aarch64 -mcpu=cortex-a57 -### -c %s 2>&1 | FileCheck -check-prefix=CA57 %s
 // CA57: "-cc1"{{.*}} "-triple" "aarch64{{.*}}" "-target-cpu" "cortex-a57"
+
+// RUN: %clang -target aarch64_be -### -c %s 2>&1 | FileCheck -check-prefix=GENERIC-BE %s
+// GENERIC-BE: "-cc1"{{.*}} "-triple" "aarch64_be{{.*}}" "-target-cpu" "generic"
+
+// RUN: %clang -target aarch64_be -mcpu=cortex-a53 -### -c %s 2>&1 | FileCheck -check-prefix=CA53-BE %s
+// CA53-BE: "-cc1"{{.*}} "-triple" "aarch64_be{{.*}}" "-target-cpu" "cortex-a53"
+
+// RUN: %clang -target aarch64_be -mcpu=cortex-a57 -### -c %s 2>&1 | FileCheck -check-prefix=CA57-BE %s
+// CA57-BE: "-cc1"{{.*}} "-triple" "aarch64_be{{.*}}" "-target-cpu" "cortex-a57"
+