[llvm-bugs] [Bug 41336] New: No-recurse derived for redefinable functions

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=41336

            Bug ID: 41336
           Summary: No-recurse derived for redefinable functions
           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

If a function can be redefined, thus if it doesn't have an "exact" definition,
we should not derive no-recurse from the body, though, we do:


Before:

define linkonce_odr i32 @leaf_redefinable() {
  ret i32 1
}


After -functionattrs:

; Function Attrs: norecurse
define linkonce_odr i32 @leaf_redefinable() #6 {
  ret i32 1
}

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