[llvm-dev] debug build busts memory

Tom Stellard via llvm-dev llvm-dev at lists.llvm.org
Tue Nov 26 19:17:27 PST 2019

On 11/26/2019 10:41 AM, Reid Kleckner via llvm-dev wrote:
> On Tue, Nov 26, 2019 at 10:31 AM David Jones via llvm-dev <llvm-dev at lists.llvm.org <mailto:llvm-dev at lists.llvm.org>> wrote:
>     Throw hardware at it.
> While I agree that this is good advice with the current state of affairs, I don't think we should consider the current situation acceptable.
> LLVM has a lot of knobs that Tim alluded to, but first time users shouldn't have to search for them to get a working debug build of LLVM out of the box. As a community, we need to raise the bar here, and spend some time making first time build setup easier. I seem to recall that there were discussions at the dev meeting about simplifying our CMake build, and I think this can be part of that effort.

Can we make LLVM_USE_SPLIT_DWARF=ON the default?  This seems like the
easiest way to solve the memory usage issues, and we are already recommending
this whenever users hit this problem.


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