[SYCL][NATIVECPU] Fix local scope module variables for native cpu #15280
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Although local scope variables inside the kernel are less common in SYCL, they can happen with hierarchical. This fixes the problem by adding a pass to replace the local scope variables which start life as globals with a struct which is allocated on the stack. Additionally, this required updating of the code which renames and removes kernel based on wrappers and vecz success. To simplify this we run the OCK utility pass TransferKernelMetadata which adds metadata to store the original kernel name. This in turn simplifies this code significantly.
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PietroGhg
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@intel/llvm-gatekeepers Could we merge this please now? |
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Although local scope variables inside the kernel are less common in SYCL, they can happen with hierarchical.
This fixes the problem by adding a pass to replace the local scope variables which start life as globals with a struct which is allocated on the stack.
Additionally, this required updating of the code which renames and removes kernel based on wrappers and vecz success. To simplify this we run the OCK utility pass TransferKernelMetadata which adds metadata to store the original kernel name. This in turn simplifies this code significantly.
Note this fixes fails in kernel/kernel_attributes_wg_hint.cpp SYCL CTS for native cpu, which is being tested locally.