Revert r247692: Replace Triple with a new TargetTuple in MCTargetDesc/* and related. NFC.

Eric has replied and has demanded the patch be reverted.

llvm-svn: 247702
diff --git a/llvm/lib/Target/Sparc/AsmParser/SparcAsmParser.cpp b/llvm/lib/Target/Sparc/AsmParser/SparcAsmParser.cpp
index 9a45a72..6f13993 100644
--- a/llvm/lib/Target/Sparc/AsmParser/SparcAsmParser.cpp
+++ b/llvm/lib/Target/Sparc/AsmParser/SparcAsmParser.cpp
@@ -77,7 +77,7 @@
   bool parseDirectiveWord(unsigned Size, SMLoc L);
 
   bool is64Bit() const {
-    return STI.getTargetTuple().getArch() == TargetTuple::sparcv9;
+    return STI.getTargetTriple().getArch() == Triple::sparcv9;
   }
 
   void expandSET(MCInst &Inst, SMLoc IDLoc,