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Make Metal intrinsics device-only #849

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18 changes: 10 additions & 8 deletions src/device/intrinsics/synchronization.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -33,22 +33,24 @@ Possible values:
end


"""
@device_function @inline threadgroup_barrier(flag=MemoryFlagNone) =
ccall("extern air.wg.barrier", llvmcall, Cvoid, (Cuint, Cuint, ), flag, UInt32(1))

@device_function @inline simdgroup_barrier(flag=MemoryFlagNone) =
ccall("extern air.simdgroup.barrier", llvmcall, Cvoid, (Cuint, Cuint, ), flag, UInt32(1))

@doc """
threadgroup_barrier(flag=MemoryFlagNone)

Synchronize all threads in a threadgroup.

Possible flags that affect the memory synchronization behavior are found in [`MemoryFlags`](@ref)
"""
@inline threadgroup_barrier(flag=MemoryFlagNone) =
ccall("extern air.wg.barrier", llvmcall, Cvoid, (Cuint, Cuint, ), flag, UInt32(1))
""" threadgroup_barrier

"""
@doc """
simdgroup_barrier(flag=MemoryFlagNone)

Synchronize all threads in a SIMD-group.

Possible flags that affect the memory synchronization behavior are found in [`MemoryFlags`](@ref)
"""
@inline simdgroup_barrier(flag=MemoryFlagNone) =
ccall("extern air.simdgroup.barrier", llvmcall, Cvoid, (Cuint, Cuint, ), flag, UInt32(1))
""" simdgroup_barrier
2 changes: 1 addition & 1 deletion src/device/intrinsics/version.jl
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Expand Up @@ -3,7 +3,7 @@
export metal_version, air_version, @sv_str

for var in ["metal_major", "metal_minor", "air_major", "air_minor"]
@eval @inline $(Symbol(var))() =
@eval @device_function @inline $(Symbol(var))() =
Base.llvmcall(
$("""@$var = external global i32
define i32 @entry() #0 {
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