[PATCH] D109958: [LoopFlatten] Enable it by default

Fri Sep 17 04:42:22 PDT 2021

SjoerdMeijer added a comment.

In D109958#3005976 <https://reviews.llvm.org/D109958#3005976>, @nikic wrote:

> Compile-time: https://llvm-compile-time-tracker.com/compare.php?from=0fc624f029f568e91caf74d90abc5d8d971151c2&to=60d33cf095caea659c46e6a026ecf8899b3d60be&stat=instructions
>
> I wasn't able to get numbers for the legacy PM, because this seems to either cause or expose a crash in IndVarSimplify on z51.c from consumer-typeset: https://llvm-compile-time-tracker.com/show_error.php?commit=60d33cf095caea659c46e6a026ecf8899b3d60be That should be resolved before landing this.

Many thanks for running and confirming those numbers @nikic!
And yes, I will have a look to see what's going on with that crash.

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https://reviews.llvm.org/D109958