[SYCL][NFC] Optimize verifyUsedKernelBundle usage #15496
Merged
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This PR intended to reduce amount of template instantiations performed during both host & device compilation passes, as well as reduce amount of LLVM IR emitted during host compilation pass.
handler::verifyUsedKernelBundle
is a one-line helper which was inlined to avoid one instantiation per-kernel and emission of associated LLVM IR. Its uses (now inlined) were also moved under#ifndef __SYCL_DEVICE_ONLY__
to reduce amount of code device compiler has to parse.