[mips] Partially revert r223927: Removing __SIZEOF_INT128__ macro for MIPS64

Partially revert r223927 because LLVM gained support for 128-bit integers
in r227089. Modify and keep the tests that verify the definition of the
macro __SIZEOF_INT128__ for MIPS64 BE & LE in the preprocessor.

llvm-svn: 228918

1 files changed, 1 insertions, 6 deletions

diff --git a/clang/lib/Frontend/InitPreprocessor.cpp b/clang/lib/Frontend/InitPreprocessor.cpp
index 896277aa545..bc6dcee37c1 100644
--- a/clang/lib/Frontend/InitPreprocessor.cpp
+++ b/clang/lib/Frontend/InitPreprocessor.cpp
@@ -662,12 +662,7 @@ static void InitializePredefinedMacros(const TargetInfo &TI,
                    TI.getTypeWidth(TI.getWCharType()), TI, Builder);
   DefineTypeSizeof("__SIZEOF_WINT_T__",
                    TI.getTypeWidth(TI.getWIntType()), TI, Builder);
-  // This is a temporary workaround while MIPS64 has not yet fully supported
-  // 128-bit integers. But declaration of int128 type is necessary even though
-  // __SIZEOF_INT128__ is undefined because c++ standard header files like
-  // limits throw error message if __int128 is not available.
-  if (TI.hasInt128Type() && !(TI.getTriple().getArch() == llvm::Triple::mips64el
-                   || TI.getTriple().getArch() == llvm::Triple::mips64))
+  if (TI.hasInt128Type())
     DefineTypeSizeof("__SIZEOF_INT128__", 128, TI, Builder);
 
   DefineType("__INTMAX_TYPE__", TI.getIntMaxType(), Builder);