[llvm-bugs] [Bug 48399] New: [NewPM] PassBuilder/Clang do not support function merging

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=48399

            Bug ID: 48399
           Summary: [NewPM] PassBuilder/Clang do not support function
                    merging
           Product: libraries
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: Core LLVM classes
          Assignee: unassignedbugs at nondot.org
          Reporter: nikita.ppv at gmail.com
                CC: llvm-bugs at lists.llvm.org

While MergeFunctions supports NPM, it is currently not integrated in
PassBuilder and not enabled by clang under -fmerge-functions.

The test
https://github.com/llvm/llvm-project/blob/master/clang/test/CodeGenCXX/merge-functions.cpp
should have "-fno-experimental-pass-manager" removed once this is fixed.

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