[SYCL][NFC] More sub_group_mask.hpp cleanup
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…lify-sub-group-mask-header
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@intel/llvm-gatekeepers please consider merging |
maarquitos14
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Sep 12, 2025
| @@ -378,19 +378,11 @@ group_ballot([[maybe_unused]] Group g, [[maybe_unused]] bool predicate) { | |||
| #ifdef __SYCL_DEVICE_ONLY__ | |||
| return sycl::detail::commonGroupBallotImpl(g, predicate); | |||
| #else | |||
| throw exception{errc::feature_not_supported, | |||
| "Sub-group mask is not supported on host device"}; | |||
| // Groups are not user-constructible, this call should not be reachable from | |||
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Would it be worth adding llvm_unreachable here?
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Two concerns here:
llvm_unreachablecomes from LLVM headers that we don't ship (and probably don't want to)- Any "early exits" in form of exception/unreachable may affect host compilation - I'm afraid of unintended side effects like we saw in [SYCL] Fix SYCL_EXTERNAL device code when linking with a static lib #14256
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