[Release-testers] [llvm-dev] [cfe-dev] [4.0.0 Release] Release Candidate 2 source and binaries available

Renato Golin via Release-testers release-testers at lists.llvm.org
Wed Feb 15 03:43:46 PST 2017

On 15 February 2017 at 10:24, Richtarsky, Martin via llvm-dev
<llvm-dev at lists.llvm.org> wrote:
> I have encountered very long compile times for three large source files containing generated/unrolled code at -O1.
> We are talking about 10+ hours here without completing, so it looks very much like an endless loop.
> The processes are using 15, 22 and 27 GB of memory but do not appear to grow further.
> This worked fine in the past, so appears to be a regression.


> Are there any new optimization passes I could try switching off?
> I could not find any mention in the release notes of new passes.

It doesn't seem to be any new passes, but the scheduler. Did this work
in RC1? If so, it'll be a lot easier to identify the cause. If not, a
bisection might help.


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