[LLVMdev] A question about alias analysis

Chris Lattner sabre at nondot.org
Tue Jan 17 11:35:41 PST 2006

On Sun, 15 Jan 2006, [gb2312] ÏÄÒ»Ãñ wrote:
> Thank you, Chris. The following is my comprehension about the AliasSetTracker,
> please correct me.
> 1. A aliasset "as" represents a memory object, and all pointer "p" in 
> "as" represent values with the type of pointer that may/must point to 
> the memory object "as".

No, not really.  An AliasSet holds a group of pointers that might alias 
each other.  In some cases, there are *many* memory objects in an alias 

> 2. If a aliasset is "forwarding", it has been merged to another aliasset and
> I should ignore it.



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