[LLVMdev] Behaviour of NVPTX intrinsic

[RAVI KORSA]

is there any guarantee that the nvptx intrinsic "llvm.nvvm.barrier0" will
not be moved around by opt ?
In other words, can I expect all the instructions above
"llvm.nvvm.barrier0" to remain above it and those below it to remain below,
after all the opt passes are run ?
If that is not the case, is there a way to define such an intrinsic ?

Thanks.
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