Fix ARM integrated assembler to be able to compile spec2k examples.

src/IceAssembler.h

Index: src/IceAssembler.h
diff --git a/src/IceAssembler.h b/src/IceAssembler.h
index 8c7b277c30b8a7f12a60bd5d49ebdeab6ece0d93..d05660f58bb44b24e85bd03414f0a58729d1a6e6 100644
--- a/src/IceAssembler.h
+++ b/src/IceAssembler.h
@@ -284,9 +284,14 @@ public:
 
   virtual bool fixupIsPCRel(FixupKind Kind) const = 0;
 
-  // Return a view of all the bytes of code for the current function.
+  /// Return a view of all the bytes of code for the current function.
   llvm::StringRef getBufferView() const;
 
+  /// Return the value of the given type in the corresponding buffer.
+  template <typename T> T load(intptr_t Position) const {
+    return Buffer.load<T>(Position);
+  }
+
   /// Emit a fixup at the current location.
   void emitFixup(AssemblerFixup *Fixup) { Buffer.emitFixup(Fixup); }