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[SYCL] Replace std::true/false_t by std::true/false_type. #10068

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Merged
merged 1 commit into from
Jun 27, 2023
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[SYCL] Replace std::true/false_t by std::true/false_type. #10068

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4 changes: 2 additions & 2 deletions sycl/doc/design/DeviceAspectTraitDesign.md
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Original file line number Diff line number Diff line change
Expand Up @@ -5,7 +5,7 @@ traits `any_device_has` and `all_devices_have` as described in the
[SYCL 2020 Specification Rev. 6 Section 4.6.4.3][1].

In summary, `any_device_has<aspect>` and `all_devices_have<aspect>` must inherit
from either `std::true_t` or `std::false_t` depending on whether the
from either `std::true_type` or `std::false_type` depending on whether the
corresponding compilation environment can guarantee that any and all the
supported devices support the `aspect`.

Expand Down Expand Up @@ -86,7 +86,7 @@ template<> all_devices_have<aspect::gpu> : std::bool_constant<__SYCL_ALL_DEVICES

#ifdef __SYCL_ANY_DEVICE_HAS_ANY_ASPECT__
// Special case where any_device_has is trivially true.
template <aspect Aspect> any_device_has : std::true_t {};
template <aspect Aspect> any_device_has : std::true_type {};
#else
template <aspect Aspect> any_device_has;
template<> any_device_has<aspect::host> : std::bool_constant<__SYCL_ANY_DEVICE_HAS_0__> {};
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2 changes: 1 addition & 1 deletion sycl/include/sycl/device_aspect_traits.hpp
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Expand Up @@ -141,7 +141,7 @@ struct all_devices_have<aspect::ext_intel_legacy_image>

#ifdef __SYCL_ANY_DEVICE_HAS_ANY_ASPECT__
// Special case where any_device_has is trivially true.
template <aspect Aspect> struct any_device_has : std::true_t {};
template <aspect Aspect> struct any_device_has : std::true_type {};
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We use undefined type, and no tests detects this!?!

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This implementation was intended as base work for upcoming patches. The path could not previously be hit, unless someone from the outside defined the macro, so it was not actually an issue.

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Okay. Please, make sure it's covered with tests in "upcoming patches".

#else
template <aspect Aspect> struct any_device_has;
template <>
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