[Driver][SYCL] refactor -fsycl-device-only behaviors #2713
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Update -fsycl-device-only to go through the offload path, effectively removing the host dependencies when it is used. This allows for a cleaner representation of SYCL device specific compilation needs.
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AGindinson
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Nov 2, 2020
AGindinson
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LGTM!
As for the 1-line change in libclc, I get it @bader will be offline for the duration of the week. @romanovvlad, do you think this PR can be merged earlier as an exception?
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In LLVM, array allocations might have constant size: %array = alloca i32, i64 4, align 4 Represent this kind of allocations using OpVariable + OpBitcast. Before this patch, the SPV_INTEL_variable_length_array extension was used. Signed-off-by: Victor Perez <victor.perez@codeplay.com> Original commit: KhronosGroup/SPIRV-LLVM-Translator@ea2fcc172f6861e
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Update -fsycl-device-only to go through the offload path, effectively
removing the host dependencies when it is used. This allows for a
cleaner representation of SYCL device specific compilation needs.