Generalize mcasmstreamer data emission APIs to take an address space
identifier.  There is no way to work around it.

llvm-svn: 93896
diff --git a/llvm/lib/MC/MCNullStreamer.cpp b/llvm/lib/MC/MCNullStreamer.cpp
index ddc4e69..b135792 100644
--- a/llvm/lib/MC/MCNullStreamer.cpp
+++ b/llvm/lib/MC/MCNullStreamer.cpp
@@ -45,9 +45,10 @@
     virtual void EmitZerofill(const MCSection *Section, MCSymbol *Symbol = 0,
                               unsigned Size = 0, unsigned ByteAlignment = 0) {}
 
-    virtual void EmitBytes(StringRef Data) {}
+    virtual void EmitBytes(StringRef Data, unsigned AddrSpace) {}
 
-    virtual void EmitValue(const MCExpr *Value, unsigned Size) {}
+    virtual void EmitValue(const MCExpr *Value, unsigned Size,
+                           unsigned AddrSpace) {}
 
     virtual void EmitValueToAlignment(unsigned ByteAlignment, int64_t Value = 0,
                                       unsigned ValueSize = 1,