[maleadt]

ZePtr kernel arguments were converted to Ptr, which lowers to an addrspace(0) pointer. In SPIR-V that address space is private memory, so a kernel storing through pointer(a) never wrote to the array, regardless of the buffer type:

function memset(ptr, val)
    unsafe_store!(ptr, val)
    return
end
a = oneVector{Int}([1])
@oneapi memset(pointer(a), 42)
Array(a)  # [1]

They are now passed as LLVMPtr{T,AS.CrossWorkgroup}, matching the pointer oneDeviceArray wraps. Kernels with an argument explicitly typed ::Ptr{T} no longer match a ZePtr, but such kernels never worked.

The NEO#172 test passes an explicit Ptr now, so that it keeps exercising the integer-to-pointer conversion it was written for.

The original broadcast reproducer from the issue already works on current main.

Fixes #458

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 83.48%. Comparing base (e95e38f) to head (667e2e9).

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #711      +/-   ##
==========================================
- Coverage   84.08%   83.48%   -0.60%     
==========================================
  Files          52       51       -1     
  Lines        4386     4263     -123     
==========================================
- Hits         3688     3559     -129     
- Misses        698      704       +6     

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