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[SYCL] Fix get_specialization_constant segmentation fault #8542

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Merged
againull merged 5 commits into from
Mar 21, 2023
Merged

[SYCL] Fix get_specialization_constant segmentation fault #8542

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3cdd0ca
[SYCL] Fix get_specialization_constant segmentation fault
steffenlarsen Mar 6, 2023
e622cc6
Fix cache test
steffenlarsen Mar 6, 2023
1f385fa
Revert buffer size change
steffenlarsen Mar 6, 2023
adf9e8a
Merge remote-tracking branch 'intel/sycl' into steffen/fix_get_spec_c…
steffenlarsen Mar 9, 2023
4bdde78
Merge branch 'sycl' into steffen/fix_get_spec_const
steffenlarsen Mar 16, 2023
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13 changes: 7 additions & 6 deletions sycl/include/sycl/kernel_bundle.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -308,18 +308,19 @@ class kernel_bundle : public detail::kernel_bundle_plain,
template <auto &SpecName>
typename std::remove_reference_t<decltype(SpecName)>::value_type
get_specialization_constant() const {
const char *SpecSymName = detail::get_spec_constant_symbolic_ID<SpecName>();
if (!is_specialization_constant_set(SpecSymName))
return SpecName.getDefaultValue();

using SCType =
typename std::remove_reference_t<decltype(SpecName)>::value_type;

std::array<char *, sizeof(SCType)> RetValue;
const char *SpecSymName = detail::get_spec_constant_symbolic_ID<SpecName>();
SCType Res{SpecName.getDefaultValue()};
if (!is_specialization_constant_set(SpecSymName))
return Res;

std::array<char, sizeof(SCType)> RetValue;
get_specialization_constant_impl(SpecSymName, RetValue.data());
std::memcpy(&Res, RetValue.data(), sizeof(SCType));

return *reinterpret_cast<SCType *>(RetValue.data());
return Res;
}

/// \returns an iterator to the first device image kernel_bundle contains
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