[SYCL] Mark calls to barrier and work-item functions as convergent #1333
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This patch doesn't solve the problem for PTX target (which is discussed in #1279). Because in this case spirv call is lowered to llvm.nvvm.barrier call which has convergent attribute. |
againull
requested review from
kbobrovs and
bader
and removed request for
kbobrovs
Calls to work-item functions and barrier function must be convergent to preserve semantics of these functions during llvm optimizations. Signed-off-by: Artur Gainullin <artur.gainullin@intel.com>
bader
approved these changes
Mar 16, 2020
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Calls to work-item functions and barrier function must be convergent to
preserve semantics of these functions during llvm optimizations.
Signed-off-by: Artur Gainullin artur.gainullin@intel.com