[PATCH] D133055: [MachineFunctionPass] Support -filter-passes for -print-changed

[Fangrui Song via Phabricator via llvm-commits]

MaskRay added a comment.

In D133055#3762484 <https://reviews.llvm.org/D133055#3762484>, @rahmanl wrote:

> Thanks for implementing this. Why should there be a discrepancy in how passes are named with this option vs. the IR mode option? Wouldn't that make it hard for the user invoking clang with `-mllvm`?

The lower-case dash-separated passs id is desired, as implemented in this patch. This matches `-print-after=`, `-stop-after=`, etc.

-filter-passes=CamelCasePass is a workaround for new PM passes before there is a better way.


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  https://reviews.llvm.org/D133055/new/

https://reviews.llvm.org/D133055