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...llvm-dev wrote: > > Hello all, > > Is there a way to register callback that runs before/after passes? > PassTimingInfo seems to do a similar thing by calling > PassInstrumentationCallbacks::registerBeforePassCallback / > registerAfterPassCallback, but it is hard-wired with > StandardInstrumentations class. > > PassInstrumentation framework was introduced to the new PassManager > specifically in mind with ability > to register arbitrary callbacks and execute them as pass manager traverses > through the pass pipeline. > > PassInstrumentationCallbacks are indeed the entity to...

Hello all, Is there a way to register callback that runs before/after passes? PassTimingInfo seems to do a similar thing by calling PassInstrumentationCallbacks::registerBeforePassCallback / registerAfterPassCallback, but it is hard-wired with StandardInstrumentations class. Do we have something similar to RegisterStandardPasses, so custom callbacks can be added from somewhere outside LLVM? Thanks, Juneyoung Lee -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20191204/1a07f...

On 8/6/19 7:31 PM, Fedor Sergeev via llvm-dev wrote: > > > On 8/6/19 3:02 AM, Hiroshi Yamauchi via llvm-dev wrote: >> I had a chance to try -print-after-all with NPM. >> >> It seems like there's still no output for the passes >> before objc-arc-contract (which is basically what I saw before.) Does >> anyone else see this? >> >> Are we

On 8/7/19 6:20 PM, Hiroshi Yamauchi wrote: > I basically run "clang > -fexperimental-new-pass-manager -print-after-all ..." > > It's conceivable that something is different in our setup or in clang > (from opt)... I'll see if I can reproduce it outside our setup. Does it depend on machine architecture? I generally use x86... regards,   Fedor. > > Thanks.

I had a chance to try -print-after-all with NPM. It seems like there's still no output for the passes before objc-arc-contract (which is basically what I saw before.) Does anyone else see this? Are we talking about the same thing? *** IR Dump After ObjC ARC contraction *** *** IR Dump After Pre-ISel Intrinsic Lowering *** *** IR Dump After Expand Atomic instructions *** *** IR Dump After

(NPM: new pass manager; LPM: legacy pass manager) Hello, community While we're still working towards using NPM for optimizer pipeline by default, we still don't have a machine pass interface and the corresponding machine pass manager using NPM. The potential benefits using NPM aside, this inhibits us from making any progress on deprecating LPM for the codegen pipeline which blocks