Factor out offset printing code into generic AsmPrinter.
FIXME: it seems, that most of targets don't support
offsets wrt CPI/GlobalAddress', was it intentional?

llvm-svn: 58917
diff --git a/llvm/lib/Target/PowerPC/AsmPrinter/PPCAsmPrinter.cpp b/llvm/lib/Target/PowerPC/AsmPrinter/PPCAsmPrinter.cpp
index 6c17dbe..280003a 100644
--- a/llvm/lib/Target/PowerPC/AsmPrinter/PPCAsmPrinter.cpp
+++ b/llvm/lib/Target/PowerPC/AsmPrinter/PPCAsmPrinter.cpp
@@ -398,10 +398,7 @@
     }
     O << Name;
 
-    if (MO.getOffset() > 0)
-      O << "+" << MO.getOffset();
-    else if (MO.getOffset() < 0)
-      O << MO.getOffset();
+    printOffset(MO.getOffset());
 
     if (GV->hasExternalWeakLinkage())
       ExtWeakSymbols.insert(GV);