[llvm-bugs] [Bug 32327] missed optimization during overflow computation (seto/xor)

via llvm-bugs llvm-bugs at lists.llvm.org
Thu Nov 16 06:32:10 PST 2017


https://bugs.llvm.org/show_bug.cgi?id=32327

Sanjay Patel <spatel+llvm at rotateright.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |aemerson at apple.com
             Status|ASSIGNED                    |RESOLVED
         Resolution|---                         |FIXED

--- Comment #3 from Sanjay Patel <spatel+llvm at rotateright.com> ---
(In reply to Dmitry Vyukov from comment #2)
> Is there a test for this? This popped up in a real code.

Yes - see @umulo_not_i32 in test/CodeGen/X86/overflow-intrinsic-setcc-fold.ll.

This was fixed here:
https://reviews.llvm.org/rL314514

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