[LLVMdev] Emit a jump instruction to a place inside basicblock

Xiaoguang Wang xgwang09 at gmail.com
Thu Oct 30 13:13:23 PDT 2014


On Thu, Oct 30, 2014 at 2:33 PM, Robin Morisset <morisset at google.com> wrote:

> Hi,
>
> From my understanding of the LLVM IR, it is impossible to jump to the
> middle of a Basic Block, only to its beginning. But there is a
> splitBasicBlock function that seems like it might be useful to you, to make
> sure a basic block is starting at the exact place you want to jump.
>
> Best regards,
> Robin
>

Thanks you all! I'm looking at splitBasicBlock and trying to use that.
BTW, is there a way at lower level of LLVM that can implement this
functionality? E.g. MCBasicBlock or MCInst?

Sincerely,
Xiaoguang
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