[LLVMdev] difficulty in replicating a sequence of instructions + inserting at a different location -- "instruction doesn't dominate all uses"

[ether zhhb]

hi,

Do you have a example for the code generated by your pass?

best regards
ether

On Tue, May 3, 2011 at 12:59 AM, Chuck Zhao <czhao at eecg.toronto.edu> wrote:
> I am having difficulty in replicating a sequence of instructions (2+, with
> def-use dependencies within) and inserting them at a different location.
>
> I have tried a few different approaches (IRBuilder, new Instruction(),
> I->clone(), insertBefore/insertAfter,etc.), all leading to the same error
> msg:
> "Instruction doesn't dominate all uses"
>
> The DevList has a few previous discussions on this, but not much of hints I
> can get from there.
>
> Could somebody point me a code template or an existing LLVM source file that
> does similar things?
>
>
> Thank you very much
>
> Chuck
>
>
>
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