[llvm] [LVI][SCCP] Add basic ConstantFPRange support (PR #111544)

[Nikita Popov via llvm-commits]

nikic wrote:

> Compile-time impact:
> 
> instructions: http://llvm-compile-time-tracker.com/compare.php?from=a3a253d3c7780977077dd46493917b1949c0166d&to=553fdd7a60c0fc4cf379f284bc226ea427489cbd&stat=instructions:u

Where does the extra cost come from? I wouldn't have expected this to have such a large impact, as FP optimizations usually don't significantly affect compile-time, and this PR doesn't hook up many things yet.

https://github.com/llvm/llvm-project/pull/111544