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...uitable approach. Kind regards, Stefano Cherubin [0] http://llvm.org/docs/CommandGuide/ [1] https://github.com/skeru/LLVM-intro/blob/master/img/03/toolchain.pdf [2] https://clang.llvm.org/docs/DriverInternals.html#driver-stages On Thursday, 16 August 2018, 12:46:04 CEST, Emanuele Del Sozzo via llvm-dev <llvm-dev at lists.llvm.org> wrote: Hello llvm-dev, my name is Emanuele and I am an intern in ARM. As part of the project I am doing here, I would like to manually replicate the optimizations that LLVM applies when I type -O3. In other words, I would like to know what are t...

...ensures that none of the optimization passes has been applied yet to the IR. In this way, I can replicate -O3 result by applying the optimization passes using opt. Apparently, those metadata are necessary to fully optimize the code. I hope that this may help you too. Best regards Emanuele Del Sozzo ________________________________ From: llvm-dev <llvm-dev-bounces at lists.llvm.org> on behalf of Stefano Cherubin via llvm-dev <llvm-dev at lists.llvm.org> Sent: Friday, August 17, 2018 11:44:50 AM To: llvm-dev at lists.llvm.org; cszide Subject: Re: [llvm-dev] Replication -O3 optimiza...

Hello llvm-dev, my name is Emanuele and I am an intern in ARM. As part of the project I am doing here, I would like to manually replicate the optimizations that LLVM applies when I type -O3. In other words, I would like to know what are the compilation flags/passes that -O3 triggers. I noticed that GCC reports, on its website, all the flags that are enforced by -O3