To Know How --disable-Optimizer flag work

[abhinavc...@gmail.com]

When i am using the flag --disable optimizer i am getting all my basic block currectly .I have verified it through ll file

But i dont know the reason when i am not using this flag only one block is getting created 

can u explain why

[Artem Dinaburg]

Hi Abhinav,

By default we enable optimizations that try to eliminate dead or unused code. Try optimizing the unoptimized code via `opt -O3` to see if LLVM itself will optimize it away.

Thanks,

Artem

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