[llvm-bugs] [Bug 2744] Loop Unswitch : Preserve dominator info incrementally

[via llvm-bugs]

https://llvm.org/bugs/show_bug.cgi?id=2744

Florian Hahn <Florian.Hahn at arm.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
                 CC|                            |Florian.Hahn at arm.com
         Resolution|---                         |FIXED

--- Comment #10 from Florian Hahn <Florian.Hahn at arm.com> ---
It looks like this isn't a problem any longer, -ftime-report reports the
following for loop unswitching:

-O2:
   0.0030 (  0.1%)   0.0000 (  0.1%)   0.0031 (  0.1%)   0.0031 (  0.1%) 
Unswitch loops

-O3:
   0.0094 (  0.4%)   0.0001 (  0.2%)   0.0095 (  0.4%)   0.0095 (  0.4%) 
Unswitch loops

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