Add a helper getSymbol to AsmPrinter.

llvm-svn: 193627
diff --git a/llvm/lib/Target/PowerPC/PPCMCInstLower.cpp b/llvm/lib/Target/PowerPC/PPCMCInstLower.cpp
index d69aa4a..f61c8bf 100644
--- a/llvm/lib/Target/PowerPC/PPCMCInstLower.cpp
+++ b/llvm/lib/Target/PowerPC/PPCMCInstLower.cpp
@@ -69,7 +69,7 @@
     if (MO.isGlobal()) {
       StubSym =
       MachineModuleInfoImpl::
-      StubValueTy(AP.Mang->getSymbol(MO.getGlobal()),
+      StubValueTy(AP.getSymbol(MO.getGlobal()),
                   !MO.getGlobal()->hasInternalLinkage());
     } else {
       Name.erase(Name.end()-5, Name.end());
@@ -95,7 +95,7 @@
     if (StubSym.getPointer() == 0) {
       assert(MO.isGlobal() && "Extern symbol not handled yet");
       StubSym = MachineModuleInfoImpl::
-                   StubValueTy(AP.Mang->getSymbol(MO.getGlobal()),
+                   StubValueTy(AP.getSymbol(MO.getGlobal()),
                                !MO.getGlobal()->hasInternalLinkage());
     }
     return Sym;