[LLVMdev] How to break/iterate over nested instructions.

[Manish Gupta]

Dear All,

I wish to iterate over all instructions (where opCode == desired_opCode). I
could iterate over all the instruction expect the nested instructions like:

 %add.ptr229 = getelementptr inbounds i8* getelementptr inbounds ([4096 x
i8]* @_Func1, i32 0, i32 0), i64 %idx.ext228

I wish to break this nested instruction in two instructions. Please let me
know if there is already existing method in llvm to do the job.

Thanks,
Manish
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