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On Wednesday 11 July 2007 12:41, Tanya M. Lattner wrote: > I think the coalescer should be flexible enough to be run independent of > the register allocator. For example, you may want to expose the copies > induced by transforming out of SSA to the scheduler. If the scheduler is > run before register allocation, then you would want the coalescing to > happen before as well. I

>> Ok, that sounds like a good plan. I'll brush up on how alias analysis >> works and work from there. > > I've been looking at this and it's become clear to me that we need some kind > of abstract coalescing interface similar to what the AliasAnalysis class > provides. I think we need the same thing for register allocators. > > LLVM's existing

...pport both modes to be hooked into the pass registration, and those that depend on the allocator not be registered as passes? -- Christopher Lamb -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20070711/a431ebe3/attachment.html>