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1016466
2011 Jun 22
2
[LLVMdev] Register class proliferation
On Jun 21, 2011, at 9:15 PM, Andrew Trick wrote:
> We should make it clear that the performance problem is with register aliases, not classes.
Yes, those are orthogonal issues.
> Register aliasing is a serious problem with the current implementation. The postRA scheduler is *cubic* in the size of the alias list. You dramatically improved compile time with this simple fix:
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