[PATCH] D121415: [FunctionAttrs] Infer argmemonly .

Sun Mar 27 13:32:42 PDT 2022

fhahn added a comment.

In D121415#3408554 <https://reviews.llvm.org/D121415#3408554>, @akdandrea wrote:

> Seeing a test-suite failure for benchmark `SingleSource/Benchmarks/Linpack/linpack-pc.test` with `-flto`.  This is not being seen without LTO.
> The failing output I'm seeing is as follows:
>
>   ...Linux_LTO.220324/test-suite-build-2022-03-24_14-28-44/tools/fpcmp-target: Compared: 5.949578e+05 and 1.600000e+00
>   abs. diff = 5.949562e+05 rel.diff = 3.718476e+05
>   Out of tolerance: rel/abs: 1.000000e-04/0.000000e+00
>
> Reverting this commit allows it to pass.
>
> @fhahn let me know if you need more details to reproduce

Thanks for the heads-up! I am unable to reproduce this on X86 on my system. Could you share the exact configuration & flags which cause the failure?

Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D121415/new/

https://reviews.llvm.org/D121415