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1021699
2015 Dec 19
2
RFC: __attribute__((ifunc("resolver")) representation in LLVM IR
Are you going to have to teach LLVM how to look through ifuncs, or is it OK
if they are totally opaque?
For example, with __attribute__((target)), you might have one
target-specialized function call another. Is it important that we be able
to optimize away the dynamic dispatch there or not?
Either way, I think a new IR construct is the way to go.
On Fri, Dec 18, 2015 at 11:44 AM, Rafael