[LLVMdev] Create the Value object for StoreInst
nicholas at mxc.ca
Sun Aug 15 18:46:23 PDT 2010
> Hello all,
> I would like to create a new StoreInst into a basic block.
Given a StoreInst *SI and BasicBlock *BB:
but you should consider using:
builder.CreateStore( ... );
I found that
> I could use methods like ConstantInt::get() to provide the Value* for
> the first argument of the constructor of the StoreInst, but I don't know
> how to provide the second one. For example, if I would to do x = 1, I
> would like to create the "Value" object of "x" for the second argument.
Use an alloca.
Value *X = builder.CreateAlloca(type, 0, "X");
> I tried to create the Value object directly to the StoreInst and it
> compiled, but it segfaulted when executing. Also for this approach, I
> couldn't provide the variable name (i.e. the "x") I want. I've been
> searching for the solution for a long time but haven't found anything to
> it. Is there any way to achieve this? Thank you very much!
If you haven't already, please read the tutorial:
in particular chapter 3.
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