[llvm-dev] Using different opt with clang

David Blaikie via llvm-dev llvm-dev at lists.llvm.org
Tue Dec 3 11:06:56 PST 2019

are you sure you're running the recompiled clang & not some existing clang
you had on your system? Try putting something more blatant in your
optimization pass, like an assert(false) or other ridiculous thing that'll
make it obvious if the pass is/isn't running, perhaps?

On Tue, Dec 3, 2019 at 2:03 PM Shishir V Jessu via llvm-dev <
llvm-dev at lists.llvm.org> wrote:

> Hi,
> I have made some changes in the LowerTypeTests Pass of opt, and would like
> to use these changes with the clang version I have downloaded.
> I compiled clang and llvm from scratch, made my changes in
> LowerTypeTests.cpp, and recompiled clang and opt. When I run clang with the
> appropriate flags to invoke the pass, it invokes the pass as originally
> written, but when I run opt on the relevant bitcode, it invokes the pass as
> I have written it.
> How can I modify clang to make it use my version of opt to run the pass
> I've changed? Thanks!
> Regards,
> Shishir Jessu
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> llvm-dev at lists.llvm.org
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