[LLVMdev] CloneBasicBlock doesn't change parent of cloned instructions
Chris Lattner
sabre at nondot.org
Mon Jan 17 08:19:03 PST 2005
On Mon, 17 Jan 2005, Morten Ofstad wrote:
> It seems the CloneBasicBlock function defined in Transforms/Utils/Cloning.h
> doesn't change the parent BasicBlock of the contained instructions when it
> has cloned them -- Is this a bug or a feature?
I'm not sure I understand. This code:
Instruction *NewInst = II->clone();
..
NewBB->getInstList().push_back(NewInst);
Is enough to ensure that the 'Parent' field of NewInst points to NewBB.
These links are automatically set when the instruction is inserted into
the basic block (the push_back).
-Chris
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