[PATCH] D101342: [SelectionDAG][Mips][PowerPC][RISCV][WebAssembly] Teach computeKnownBits/ComputeNumSignBits about atomics

Wed May 12 08:00:13 PDT 2021

jrtc27 added a comment.

In D101342#2754160 <https://reviews.llvm.org/D101342#2754160>, @stefanp wrote:

> Hi @jrtc27
>
> I apologize but we have not been able to get to the bottom of this quickly. As a result we have pulled the change with:
>
>   commit 8d37411e48202b490c62ee3548df4b90f5974e12 (HEAD -> main, origin/main, origin/HEAD)
>   Author: Stefan Pintilie <stefanp at ca.ibm.com>
>   Date:   Wed May 12 09:42:09 2021 -0500
>   
>       Revert "[SelectionDAG][Mips][PowerPC][RISCV][WebAssembly] Teach computeKnownBits/ComputeNumSignBits about atomics"
>       
>       This reverts commit 6c80361b8474535852afb2f7201370fb5f410091.
>       Breaks PowerPC Big Endian buildbots.
>
> I will keep you up to date as we have more information.
> I have reopened this review.

I have access to big-endian PowerPC hardware. Is the reproducer as simple as running the compiler-rt test suite?

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D101342/new/

https://reviews.llvm.org/D101342