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[Metal] Add some simdgroup and barrier intrinsic attributes #744

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[Metal] Add some simdgroup and barrier intrinsic attributes #744

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10 changes: 9 additions & 1 deletion src/metal.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -1018,7 +1018,7 @@ function annotate_air_intrinsics!(@nospecialize(job::CompilerJob), mod::LLVM.Mod

# synchronization
if fn == "air.wg.barrier" || fn == "air.simdgroup.barrier"
add_attributes("nounwind", "convergent")
add_attributes("nounwind", "mustprogress", "convergent", "willreturn")

# atomics
elseif match(r"air.atomic.(local|global).load", fn) !== nothing
Expand All @@ -1033,6 +1033,14 @@ function annotate_air_intrinsics!(@nospecialize(job::CompilerJob), mod::LLVM.Mod
elseif match(r"^air.atomic.(local|global).(add|sub|min|max|and|or|xor)", fn) !== nothing
# TODO: "memory(argmem: readwrite)" on LLVM 16+
add_attributes("argmemonly", "nounwind")

# simdgroup
elseif match(r"air.simdgroup_matrix_8x8_multiply_accumulate", fn) !== nothing
add_attributes("convergent", "mustprogress", "nounwind", "willreturn")
elseif match(r"air.simdgroup_matrix_8x8_load", fn) !== nothing
add_attributes("convergent", "mustprogress", "nofree", "nounwind", "readonly", "willreturn")
elseif match(r"air.simdgroup_matrix_8x8_store", fn) !== nothing
add_attributes("convergent", "mustprogress", "nounwind", "willreturn", "writeonly")
end
end

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