Add more plumbing. This time in the LowerArguments and "get" functions which
return partial registers. This affected the back-end lowering code some.

Also patch up some places I missed before in the "get" functions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91880 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp
index fb5b4cc..5f99fae 100644
--- a/lib/Target/X86/X86ISelLowering.cpp
+++ b/lib/Target/X86/X86ISelLowering.cpp
@@ -6194,7 +6194,8 @@
         LowerCallTo(Chain, Type::getVoidTy(*DAG.getContext()),
                     false, false, false, false,
                     0, CallingConv::C, false, /*isReturnValueUsed=*/false,
-                    DAG.getExternalSymbol(bzeroEntry, IntPtr), Args, DAG, dl);
+                    DAG.getExternalSymbol(bzeroEntry, IntPtr), Args, DAG, dl,
+                    DAG.GetOrdering(Chain.getNode()));
       return CallResult.second;
     }