[LLVMdev] Reference to recently created move

[Fernando Magno Quintao Pereira]

Thanks, Evan.

     Actually, the previous code is working. I had got a segfault for some 
reason, but it was not because of the dereferencing. I have figured it 
out now.

Fernando

> copyRegToReg() always insert the move instruction before "iter". Just
> use prior(iter) after the insertion to reference the newly created
> move instruction.
>
> Evan
> On Feb 21, 2007, at 11:17 PM, Fernando Magno Quintao Pereira wrote:
>
>>
>> Hey, guys, I am creating some move instructions with
>> MRegisterInfo::copyRegToReg. How do I get a pointer to the instruction
>> that I just created? Is there a way to do something like:
>>
>> // mbb is MachineBasicBlock, reg_info is MRegisterInfo
>>
>> MachineBasicBlock::iterator iter = mbb.getFirstTerminator();
>>
>> reg_info->copyRegToReg(mbb, iter, dst, src, rc);
>>
>> iter--; (???)
>>
>> MachineInstr * new_move_instruction = iter; (???)
>>
>> This does not work though.
>>
>> Thank you,
>>
>> Fernando
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