https://bugs.kde.org/show_bug.cgi?id=383010

--- Comment #71 from Tanya <[email protected]> ---
Created attachment 145364
  --> https://bugs.kde.org/attachment.cgi?id=145364&action=edit
Update for AVX-512 Valgrind regression tests to spot differences between mask
k0 and no mask

(In reply to Julian Seward from comment #70)
> I worry that there are potentially other places where the IR is generated
> using `getKReg(mask)` when really it should be `mask ? getKReg(mask) :
> mkU64(0)`, and that testing isn't catching these.  Not sure though.

Attached a patch to AVX-512 regression tests that catches this kind of errors
by writing a random value in k0 before each test.
It did not detect any other affected instructions.

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