[LLVMdev] [LLVMDev] [Modeling] About the structure of my allocator

[Jeff Kunkel]

Is there any way to tell where in the Instruction list, the branch to the
other MachineBasicBlock happens? I know in the BasicBlock had a nice api for
it.

Thanks,
Jeff Kunkel

On Thu, Sep 2, 2010 at 5:56 PM, Dale Johannesen <dalej at apple.com> wrote:

>
> On Sep 2, 2010, at 2:44 PMPDT, Jeff Kunkel wrote:
>
>> I need to track which MachineBasicBlocks branch into other
>> MachineBasicBlocks. How do I do it?
>>
>
> Look at the Predecessor/Successor lists, which are target-independent
>
>
>  I see a MachineOperand can hold a MachineBasicBlock*. Does this mean the
>> instruction may branch to the MachineBasicBlock, or can it be something like
>> an object reference?
>>
>
> It can also be the dreaded gcc "address of label" extension.  Number and
> ordering of instruction operands is target-dependent.
>
>
>
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