[llvm-dev] RFC: Switching to the new pass manager by default

[ORiordan, Martin via llvm-dev]

Thanks Chandler, I guess I’ll have to wait a few more months so ;-)

            MartinO

From: Chandler Carruth [mailto:chandlerc at gmail.com]
Sent: Wednesday, October 18, 2017 5:37 PM
To: ORiordan, Martin <martin.oriordan at intel.com>; Chandler Carruth <chandlerc at gmail.com>; llvm-dev <llvm-dev at lists.llvm.org>
Subject: Re: [llvm-dev] RFC: Switching to the new pass manager by default

On Wed, Oct 18, 2017 at 2:28 AM ORiordan, Martin via llvm-dev <llvm-dev at lists.llvm.org<mailto:llvm-dev at lists.llvm.org>> wrote:
Hi Chandler,
I don’t track the head revisions, instead I do a “Big Bang” update with each 6-month formal release of the LLVM suite, and I am now at v5.0.
Is the implementation of the new pass manager in LLVM v5.0 suitable for me to usefully experiment with it so as to provide feedback, or should I wait and try it out with v6.0?
Unfortunately, some very important fixes landed after 5.0, and the risk was too high to cherry-pick them to fix an off-by-default feature. LLVM since the start of August is in a pretty stable state for testing this stuff.

-Chandler

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