[llvm-bugs] [Bug 42683] New: ArgumentPromotion unpacks recursive types endlessly

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=42683

            Bug ID: 42683
           Summary: ArgumentPromotion unpacks recursive types endlessly
           Product: libraries
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: Interprocedural Optimizations
          Assignee: unassignedbugs at nondot.org
          Reporter: jdoerfert at anl.gov
                CC: llvm-bugs at lists.llvm.org

Created attachment 22260
  --> https://bugs.llvm.org/attachment.cgi?id=22260&action=edit
reproducer

ArgumentPromotion checks for "self recursive" functions but not for recursion
that involves more than one function. This code was a "fix" for PR8932.

Reproducer is attached.

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