Add a helper getSymbol to AsmPrinter.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193627 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86MCInstLower.cpp b/lib/Target/X86/X86MCInstLower.cpp
index 737754f..bd2be3e 100644
--- a/lib/Target/X86/X86MCInstLower.cpp
+++ b/lib/Target/X86/X86MCInstLower.cpp
@@ -111,7 +111,7 @@
       assert(MO.isGlobal() && "Extern symbol not handled yet");
       StubSym =
         MachineModuleInfoImpl::
-        StubValueTy(getMang()->getSymbol(MO.getGlobal()),
+        StubValueTy(AsmPrinter.getSymbol(MO.getGlobal()),
                     !MO.getGlobal()->hasInternalLinkage());
     }
     return Sym;
@@ -125,7 +125,7 @@
       assert(MO.isGlobal() && "Extern symbol not handled yet");
       StubSym =
         MachineModuleInfoImpl::
-        StubValueTy(getMang()->getSymbol(MO.getGlobal()),
+        StubValueTy(AsmPrinter.getSymbol(MO.getGlobal()),
                     !MO.getGlobal()->hasInternalLinkage());
     }
     return Sym;
@@ -141,7 +141,7 @@
     if (MO.isGlobal()) {
       StubSym =
         MachineModuleInfoImpl::
-        StubValueTy(getMang()->getSymbol(MO.getGlobal()),
+        StubValueTy(AsmPrinter.getSymbol(MO.getGlobal()),
                     !MO.getGlobal()->hasInternalLinkage());
     } else {
       Name.erase(Name.end()-5, Name.end());