Make LowerCallTo and LowerArguments take a DebugLoc
argument.  Adjust all callers and overloaded versions.

llvm-svn: 63444
diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp
index 2aa2e4a..2c79da5 100644
--- a/llvm/lib/Target/X86/X86ISelLowering.cpp
+++ b/llvm/lib/Target/X86/X86ISelLowering.cpp
@@ -5532,10 +5532,12 @@
       Args.push_back(Entry);
       Entry.Node = Size;
       Args.push_back(Entry);
+      // FIXME provide DebugLoc info
       std::pair<SDValue,SDValue> CallResult =
         LowerCallTo(Chain, Type::VoidTy, false, false, false, false, 
                     CallingConv::C, false, 
-                    DAG.getExternalSymbol(bzeroEntry, IntPtr), Args, DAG);
+                    DAG.getExternalSymbol(bzeroEntry, IntPtr), Args, DAG,
+                    DebugLoc::getUnknownLoc());
       return CallResult.second;
     }