[llvm-dev] Scaling to many basic blocks
David Blaikie via llvm-dev
llvm-dev at lists.llvm.org
Sat Aug 22 17:47:10 PDT 2015
On Sat, Aug 22, 2015 at 5:46 PM, Russell Wallace via llvm-dev <
llvm-dev at lists.llvm.org> wrote:
> On Sat, Aug 22, 2015 at 11:57 PM, Michael Zolotukhin <
> mzolotukhin at apple.com> wrote:
>> Several passes would have troubles with such code (namely, GVN and
> Can you just choose not to run those particular passes? I suppose the big
> problem would be if there's a problem with the code generation and related
> stuff like instruction scheduling and register allocation - is that likely
> to be the case?
I seem to recall the sanitizers hit some scaling issues with lots of small
basic blocks (with lots of variables) in the register allocator.
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