[PATCH] D105827: [SLP]Workaround for InsertSubVector cost.

Alexey Bataev via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Thu Jul 15 10:36:25 PDT 2021


ABataev added a comment.

In D105827#2880704 <https://reviews.llvm.org/D105827#2880704>, @aeubanks wrote:

> This is causing hangs
> `$ clang++ -O2 -c reduced2.ll -o /dev/null`
> F17952182: reduced2.ll <https://reviews.llvm.org/F17952182>

Thanks for the reproducer. I don't think this patch causes it directly (it just adjusts cost model, nothing else), most probably it reveals some deeper issue in the compiler. Will check what's happening.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D105827/new/

https://reviews.llvm.org/D105827



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