Fix dynamic object linker for ARM GNUEABIHF.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@160958 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Driver/Tools.cpp b/lib/Driver/Tools.cpp
index 54f209d..e13f709 100644
--- a/lib/Driver/Tools.cpp
+++ b/lib/Driver/Tools.cpp
@@ -5516,8 +5516,12 @@
     else if (ToolChain.getArch() == llvm::Triple::x86)
       CmdArgs.push_back("/lib/ld-linux.so.2");
     else if (ToolChain.getArch() == llvm::Triple::arm ||
-             ToolChain.getArch() == llvm::Triple::thumb)
-      CmdArgs.push_back("/lib/ld-linux.so.3");
+             ToolChain.getArch() == llvm::Triple::thumb) {
+      if (ToolChain.getTriple().getEnvironment() == llvm::Triple::GNUEABIHF)
+        CmdArgs.push_back("/lib/ld-linux-armhf.so.3");
+      else
+        CmdArgs.push_back("/lib/ld-linux.so.3");
+    }
     else if (ToolChain.getArch() == llvm::Triple::mips ||
              ToolChain.getArch() == llvm::Triple::mipsel)
       CmdArgs.push_back("/lib/ld.so.1");
diff --git a/test/Driver/linux-ld.c b/test/Driver/linux-ld.c
index a9decfd..cf21910 100644
--- a/test/Driver/linux-ld.c
+++ b/test/Driver/linux-ld.c
@@ -186,6 +186,21 @@
 // CHECK-SUSE-10-3-PPC64: "-L[[SYSROOT]]/lib/../lib64"
 // CHECK-SUSE-10-3-PPC64: "-L[[SYSROOT]]/usr/lib/../lib64"
 //
+// Check dynamic-linker for different archs
+// RUN: %clang %s -### -o %t.o 2>&1 \
+// RUN:     -target arm-linux-gnueabi \
+// RUN:   | FileCheck --check-prefix=CHECK-ARM %s
+// CHECK-ARM: "{{.*}}ld{{(.exe)?}}"
+// CHECK-ARM: "-m" "armelf_linux_eabi"
+// CHECK-ARM: "-dynamic-linker" "{{.*}}/lib/ld-linux.so.3"
+//
+// RUN: %clang %s -### -o %t.o 2>&1 \
+// RUN:     -target arm-linux-gnueabihf \
+// RUN:   | FileCheck --check-prefix=CHECK-ARM-HF %s
+// CHECK-ARM-HF: "{{.*}}ld{{(.exe)?}}"
+// CHECK-ARM-HF: "-m" "armelf_linux_eabi"
+// CHECK-ARM-HF: "-dynamic-linker" "{{.*}}/lib/ld-linux-armhf.so.3"
+//
 // Check that we do not pass --hash-style=gnu and --hash-style=both to linker
 // and provide correct path to the dynamic linker and emulation mode when build
 // for MIPS platforms.