Turn on the integrated assembler by default for ppc64 and
ppc64le.

Reviewed by Hal Finkel and Bill Schmidt.

llvm-svn: 219129
diff --git a/clang/lib/Driver/ToolChains.cpp b/clang/lib/Driver/ToolChains.cpp
index d85a67d..bd14759 100644
--- a/clang/lib/Driver/ToolChains.cpp
+++ b/clang/lib/Driver/ToolChains.cpp
@@ -2150,7 +2150,9 @@
          getTriple().getArch() == llvm::Triple::arm ||
          getTriple().getArch() == llvm::Triple::armeb ||
          getTriple().getArch() == llvm::Triple::thumb ||
-         getTriple().getArch() == llvm::Triple::thumbeb;
+         getTriple().getArch() == llvm::Triple::thumbeb ||
+         getTriple().getArch() == llvm::Triple::ppc64 ||
+         getTriple().getArch() == llvm::Triple::ppc64le;
 }
 
 void Generic_ELF::addClangTargetOptions(const ArgList &DriverArgs,