search for: 1047482

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2015 Jun 20
2
[LLVMdev] BasicAA unable to analyze recursive PHI nodes
> Not a huge change here although the numbers tend to be more on the side > of a slowdown. This is interesting - you'd think that better alias > analysis shouldn't have that effect. Any idea what could be causing > this? LLVM's alias analysis is good but not amazing. If you improve it significantly (as you appear to have :P), you give the compiler more freedom to do