https://bugs.llvm.org/show_bug.cgi?id=43512

            Bug ID: 43512
           Summary: Obfuscate names
           Product: tools
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: llvm-reduce
          Assignee: unassignedb...@nondot.org
          Reporter: ruppre...@google.com
                CC: bmo...@google.com, dblai...@gmail.com,
                    jgo...@google.com, llvm-bugs@lists.llvm.org

Tools like C-Reduce have a renaming pass as one of their later stages that
renames variables to "a", "b", ... etc.

Adding a pass to llvm-reduce to do something similar would make it easier to
share internal (confidential) crash repros. Otherwise we have to do it by hand,
which is sometimes annoying when the repro is long.

The renaming should apply to at least:
1. Type/class names
2. Method/symbol names
3. IR variable names (e.g. if reducing something built w/
-fno-discard-value-names)

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