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...luggable in a manner similar to `opt`? If ... someone ... was to do this plumbing in a reasonable way, would it likely get pulled up into a later version? If you're interested, you can have a look at the kinds of assignments we're doing with LLVM here: http://pages.cs.wisc.edu/~fischer/cs701.f08/asg2.llvm.html http://pages.cs.wisc.edu/~fischer/cs701.f08/proj3.llvm.html Thanks again, - Matt Elder

...llocator, but now I'm stuck. I have 2 questions for you: 1. I tried running the PBQP allocator (as a dynamic pass), but that didn't work. When I type this: llc -f -load Debug/lib/regalloc.so -regalloc=pbqp simple.bc I get the following error: llc: /afs/cs.wisc.edu/p/course/cs701-horwitz/public/llvm-root/llvm/include/llvm/Support/CommandLine.h:483: void llvm::cl::parser<DataType>::addLiteralOption(const char*, const DT&, const char*) [with DT = llvm::FunctionPass* (*)(), DataType = llvm::FunctionPass* (*)()]: Assertion `findOption(Name) == Values.size() &&...

Hi Susan, > You may find the PBQP allocator implementation useful as a reference > to what's involved in adding a new allocator to LLVM. It's located in > lib/CodeGen/RegAllocPBQP.cpp, with supporting files in the lib/CodeGen/ > PBQP directory. > Yes - as far as working allocators go PBQP is pretty simple. If you're just interested in LLVM API details you can focus on

Hello Tobias, Thank you for the suggestion! Aditya also mentioned this. I will look into it. Best regards, Ruijie Ruijie Fang Email: ruijief at princeton.edu On Tue, Jun 2, 2020 at 12:48 PM Tobias Hieta <tobias at plexapp.com> wrote: > Hello Ruijie, > > One other workload that would be interesting to test might be clang > itself. Building clang with PGO information is a