[llvm] [offload] support arbitrary memoryFill pattern sizes in L0 plugin (PR #209724)

[Łukasz Plewa via llvm-commits]

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lplewa wrote:

memcmp(ptr, ptr + 1, size -1); Assuming that  size >=2

didn't look into find_first_not_of implementation, but I'm pretty sure that memcmp will be faster.  Just add good comment as someone who do not seen this trick might be confused(but TBH string pattern searching confused me too) 

https://github.com/llvm/llvm-project/pull/209724