[llvm-bugs] [Bug 42850] New: ArgumentPromotion keeps tail markers but introduces allocas

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=42850

            Bug ID: 42850
           Summary: ArgumentPromotion keeps tail markers but introduces
                    allocas
           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

Similar to PR14710 (https://bugs.llvm.org/show_bug.cgi?id=14710), argument
promotion fails to eliminate 'tail' call markers when it introduces alloca
instructions if the call is not a user of the argument being promoted.

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