reimplement ppc asmprinter "toc" handling to use a VariantKind
on the operand, required for .o file writing and fixing 
the PowerPC/mult-alt-generic-powerpc64.ll failure with the new
instprinter.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119087 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/MC/MCExpr.cpp b/lib/MC/MCExpr.cpp
index fa98b55..e6f2a8f 100644
--- a/lib/MC/MCExpr.cpp
+++ b/lib/MC/MCExpr.cpp
@@ -187,6 +187,7 @@
   case VK_TLSLDM: return "TLSLDM";
   case VK_TPOFF: return "TPOFF";
   case VK_DTPOFF: return "DTPOFF";
+  case VK_TLVP: return "TLVP";
   case VK_ARM_HI16: return ":upper16:";
   case VK_ARM_LO16: return ":lower16:";
   case VK_ARM_PLT: return "(PLT)";
@@ -195,7 +196,7 @@
   case VK_ARM_TPOFF: return "(tpoff)";
   case VK_ARM_GOTTPOFF: return "(gottpoff)";
   case VK_ARM_TLSGD: return "(tldgd)";
-  case VK_TLVP: return "TLVP";
+  case VK_PPC_TOC: return "toc";
   }
 }