Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

[instcombine] Drop zext nneg flag when simplify operand #71088

Merged
merged 2 commits into from
Nov 2, 2023
Merged

[instcombine] Drop zext nneg flag when simplify operand #71088

merged 2 commits into from
Nov 2, 2023

Commits on Nov 2, 2023

  1. [instcombine] Drop zext nneg flag when simplify operand 

    This fixes a miscompile introduced in the recent llvm#67982, and likely exposed
in changes since to infer and leverage the same.  No active bug reports as
of yet.

This was noticed in llvm#70858 (comment).
    @preames
    preames committed Nov 2, 2023
    Configuration menu
    Copy the full SHA
    26f6ec3 View commit details
    Browse the repository at this point in the history

  2. Update zext.ll (drop fixme)

    @preames
    preames committed Nov 2, 2023
    Configuration menu
    Copy the full SHA
    dc64d3a View commit details
    Browse the repository at this point in the history