[llvm-bugs] [Bug 30662] New: "-mllvm -print-before=<pass_name>" not working when invoked with clang

[via llvm-bugs]

https://llvm.org/bugs/show_bug.cgi?id=30662

            Bug ID: 30662
           Summary: "-mllvm -print-before=<pass_name>" not working when
                    invoked with clang
           Product: clang
           Version: unspecified
          Hardware: PC
                OS: Windows NT
            Status: NEW
          Severity: normal
          Priority: P
         Component: Driver
          Assignee: unassignedclangbugs at nondot.org
          Reporter: sgundapa at codeaurora.org
                CC: llvm-bugs at lists.llvm.org
    Classification: Unclassified

$ touch /tmp/test.c  && ./bin/clang -mllvm -print-before=verify -c -emit-llvm
/tmp/1.c

clang (LLVM option parsing): for the -print-before option: Cannot find option
named 'verify'!

Looks like the passes were not registered by the time we parse the command line
when invoked with clang. However, the option works perfectly fine with "llc".
FYI, same is the case with "-mllvm print-after=<pass_name>

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