Switch the code generator (except the JIT) onto the new DebugLoc
representation.  This eliminates the 'DILocation' MDNodes for 
file/line/col tuples from -O0 -g codegen.

This remove the old DebugLoc class, making it a typedef for DebugLoc,
I'll rename NewDebugLoc next.

I didn't update the JIT to use the new apis, so it will continue to
work, but be as slow as before.  Someone should eventually do this
or, better yet, rip out the JIT debug info stuff and build the JIT
on top of MC.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100209 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/MachineInstr.cpp b/lib/CodeGen/MachineInstr.cpp
index 40d6b20..2ac76f3 100644
--- a/lib/CodeGen/MachineInstr.cpp
+++ b/lib/CodeGen/MachineInstr.cpp
@@ -1221,17 +1221,16 @@
 
     // TODO: print InlinedAtLoc information
 
-    DILocation DLT = MF->getDILocation(debugLoc);
-    DIScope Scope = DLT.getScope();
+    DIScope Scope(debugLoc.getScope(MF->getFunction()->getContext()));
     OS << " dbg:";
     // Omit the directory, since it's usually long and uninteresting.
     if (Scope.Verify())
       OS << Scope.getFilename();
     else
       OS << "<unknown>";
-    OS << ':' << DLT.getLineNumber();
-    if (DLT.getColumnNumber() != 0)
-      OS << ':' << DLT.getColumnNumber();
+    OS << ':' << debugLoc.getLine();
+    if (debugLoc.getCol() != 0)
+      OS << ':' << debugLoc.getCol();
   }
 
   OS << "\n";