[llvm-bugs] [Bug 43512] New: Obfuscate names

[via llvm-bugs]

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: unassignedbugs at nondot.org
          Reporter: rupprecht at google.com
                CC: bmoses at google.com, dblaikie at gmail.com,
                    jgorbe at google.com, llvm-bugs at 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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