[llvm-dev] OptBisect implementation for new pass manager (original) (raw)
Friedman, Eli via llvm-dev llvm-dev at lists.llvm.org
Wed Sep 26 10:54:36 PDT 2018
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On 9/26/2018 10:47 AM, Philip Pfaffe via llvm-dev wrote:
Hi Fedor,
can you make an example where a pass actually needs to opt-out? Because IMO, bisect should quite literally to DebugCounter-style skip every step in every ::run method's loop. Passes should not even be concerned with this.
This isn't so much an issue for the optimization pipeline, but code generation involves some passes which are mandatory (e.g. isel).
-Eli
-- Employee of Qualcomm Innovation Center, Inc. Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, a Linux Foundation Collaborative Project
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