Add some more required SPARC v9 predefined macros.

Solaris/AuroraUX only need __arch64__, the BSDs need the other variants.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@180172 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Basic/Targets.cpp b/lib/Basic/Targets.cpp
index 96aba5c..df8df21 100644
--- a/lib/Basic/Targets.cpp
+++ b/lib/Basic/Targets.cpp
@@ -4256,6 +4256,15 @@
                                 MacroBuilder &Builder) const {
     SparcTargetInfo::getTargetDefines(Opts, Builder);
     Builder.defineMacro("__sparcv9");
+    Builder.defineMacro("__arch64__");
+    // Solaris and its derivative AuroraUX don't need these variants, but the
+    // BSDs do.
+    if (getTriple().getOS() != llvm::Triple::Solaris &&
+        getTriple().getOS() != llvm::Triple::AuroraUX) {
+      Builder.defineMacro("__sparc64__");
+      Builder.defineMacro("__sparc_v9__");
+      Builder.defineMacro("__sparcv9__");
+    }
   }
 };