Change C, CBE, MSIL to not provide target data via getTargetData().
 - The theory is these should never actually be called, since these boil down to
   passes which can access the target data via the standard mechanism.

llvm-svn: 77975
diff --git a/llvm/lib/Target/CBackend/CTargetMachine.h b/llvm/lib/Target/CBackend/CTargetMachine.h
index 72146a8..ffd033f 100644
--- a/llvm/lib/Target/CBackend/CTargetMachine.h
+++ b/llvm/lib/Target/CBackend/CTargetMachine.h
@@ -32,7 +32,7 @@
                                         CodeGenFileType FileType,
                                         CodeGenOpt::Level OptLevel);
   
-  virtual const TargetData *getTargetData() const { return &DataLayout; }
+  virtual const TargetData *getTargetData() const { return 0; }
 };
 
 extern Target TheCBackendTarget;