[PATCH] D139283: [llvm-exegesis] parallel snippet generator: avoid Read-After-Write pitfail for instrs w/ tied variables

Roman Lebedev via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Tue Dec 6 12:02:00 PST 2022


lebedev.ri added a comment.

In D139283#3975452 <https://reviews.llvm.org/D139283#3975452>, @lebedev.ri wrote:

> In D139283#3975371 <https://reviews.llvm.org/D139283#3975371>, @ormris wrote:
>
>> This doesn't compile on GCC 7.5.0 (it's older but supported). See this buildbot: https://lab.llvm.org/staging/#/builders/235/builds/731
>
> That's not great. It's an obvious compiler bug.
> Are you sure that GCC version is actually up to date?
> https://godbolt.org/z/YaEd5P86Y

Nonetheless, attempted to workaround via e3f908a557d3e463353aad6b41a6fcd77d049c71 <https://reviews.llvm.org/rGe3f908a557d3e463353aad6b41a6fcd77d049c71>.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D139283/new/

https://reviews.llvm.org/D139283



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