Create DebugLoc information in FastISel. Several temporary methods were
created. Specifically, those BuildMIs which use
"DebugLoc::getUnknownLoc()". I'll remove them soon.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63584 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp
index 9057775..dd631af 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp
@@ -3884,14 +3884,16 @@
       DICompileUnit CompileUnit = Subprogram.getCompileUnit();
       unsigned SrcFile = DW->RecordSource(CompileUnit.getDirectory(),
                                           CompileUnit.getFilename());
+
       // Record the source line but does not create a label for the normal
       // function start. It will be emitted at asm emission time. However,
       // create a label if this is a beginning of inlined function.
       unsigned Line = Subprogram.getLineNumber();
-      unsigned LabelID =
-        DW->RecordSourceLine(Line, 0, SrcFile);
+      unsigned LabelID = DW->RecordSourceLine(Line, 0, SrcFile);
+
       if (DW->getRecordSourceLineCount() != 1)
         DAG.setRoot(DAG.getLabel(ISD::DBG_LABEL, getRoot(), LabelID));
+
       setCurDebugLoc(DebugLoc::get(DAG.getMachineFunction().
                          getOrCreateDebugLocID(SrcFile, Line, 0)));
     }