[llvm-debuginfo-analyzer] Add --output-sort=none option

Author: jalopezg-git

llvm/docs/CommandGuide/llvm-debuginfo-analyzer.rst

@@ -365,6 +365,7 @@ output for a single compilation unit.
 
  .. code-block:: text
 
+   =none: Unsorted output.
    =kind: Sort by element kind.
    =line: Sort by element line number.
    =name: Sort by element name.

llvm/tools/llvm-debuginfo-analyzer/Options.cpp

@@ -198,7 +198,9 @@ static cl::opt<LVSortMode, true> OutputSort(
     "output-sort", cl::cat(OutputCategory),
     cl::desc("Primary key when ordering logical view (default: line)."),
     cl::Hidden, cl::ZeroOrMore,
-    values(clEnumValN(LVSortMode::Kind, "kind", "Sort by element kind."),
+    values(clEnumValN(LVSortMode::None, "none",
+                      "Unsorted output (i.e. as read from input)."),
+           clEnumValN(LVSortMode::Kind, "kind", "Sort by element kind."),
            clEnumValN(LVSortMode::Line, "line", "Sort by element line number."),
            clEnumValN(LVSortMode::Name, "name", "Sort by element name."),
            clEnumValN(LVSortMode::Offset, "offset", "Sort by element offset.")),