Update the parameters passed to the assembler and linker for
the PPC64LE target.  Specifically:
(assembler) adds/uses  -mppc64 -mlittle-endian
(linker) adds/uses  elf64lppc

Testcase included.

llvm-svn: 204626
diff --git a/clang/lib/Driver/Tools.cpp b/clang/lib/Driver/Tools.cpp
index 393f4b4..2307713 100644
--- a/clang/lib/Driver/Tools.cpp
+++ b/clang/lib/Driver/Tools.cpp
@@ -6522,8 +6522,9 @@
     CmdArgs.push_back("-many");
   } else if (getToolChain().getArch() == llvm::Triple::ppc64le) {
     CmdArgs.push_back("-a64");
-    CmdArgs.push_back("-mppc64le");
+    CmdArgs.push_back("-mppc64");
     CmdArgs.push_back("-many");
+    CmdArgs.push_back("-mlittle-endian");
   } else if (getToolChain().getArch() == llvm::Triple::sparc) {
     CmdArgs.push_back("-32");
     CmdArgs.push_back("-Av8plusa");
@@ -6778,6 +6779,8 @@
     CmdArgs.push_back("elf32ppclinux");
   else if (ToolChain.getArch() == llvm::Triple::ppc64)
     CmdArgs.push_back("elf64ppc");
+  else if (ToolChain.getArch() == llvm::Triple::ppc64le)
+    CmdArgs.push_back("elf64lppc");
   else if (ToolChain.getArch() == llvm::Triple::sparc)
     CmdArgs.push_back("elf32_sparc");
   else if (ToolChain.getArch() == llvm::Triple::sparcv9)