[LLVMdev] optimization without intrinsic instructions?

[Jun Koi]

hi,

i run my LLVM bitcode through some optimization, and this introduces some
intrinsic functions into the resulted bitcode.this is not what i want,
because in the post-analysis step i dont want to deal with instructions
like @llvm.uadd.with.overflow.

so the question is: how can i tell the optimization process to not use
these intrinsic instructions, or rather no intrinsic at all? which
optimization pass i should not enable to achieve this?

thanks so much, and happy holidays to everybody :-)
Jun
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