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2011 Aug 19
1
[LLVMdev] LLVM: Very simple question
Hi, guys. I'm a newbie to LLVM and have a very simple question.
Which instructions should I use (in terms of IRBuilder calls) to allocate an
array of bytes in stack (alloca?), then to work with it (from a given
offset) as with integer (bitcast?). I mean something like that:
unsigned char var[8];
unsigned int offset = 3;
int val = *(int*)(&var+offset); /* read */
*(int*)(&var+offset)