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The DoesntAccessMemoryFns and OnlyReadsMemoryFns tables are used by alias analysis to specify which standard functions don't access memory or only read memory. However gcc now automatically supplies this information to us. I checked on my x86 linux box what gcc gives for the functions listed in those tables. While gcc mostly agrees with t...

--- Duncan Sands <baldrick at free.fr> wrote: > The DoesntAccessMemoryFns and OnlyReadsMemoryFns tables are used > by alias analysis to specify which standard functions don't access > memory or only read memory. However gcc now automatically supplies > this information to us. ... > We could keep some small tables just for these, or nuke the tables altogether > and assume...

Hi Chris, > I'm quite new to using LLVM, and thus don't have a complete understanding of > how everything works yet, but won't removing this information have an impact on > projects that use LLVM as a backend only, and thus don't get any gcc supplied > information? yes it will, but they can always add these tables to their code and use them to generate the appropriate