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2013 Nov 17
0
[LLVMdev] opposite to CreateStructGEP
Does getelementptr have a counterpart function which unindexes a
pointer? In particular, I'm using CreateStructGEP from the builder and
want to get back to the struct pointer from a member pointer.
fptr = b.CreateStructGEP( sptr, 2 );
//I want to do this
sptr = b.CreateUnStructGEP( fptr, sptr_type, 2 );
I know I can calculate the offsets on my own, but it'd be nice to not
have to since GEP already does it in the forward direction.
--
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