[llvm-bugs] [Bug 37104] New: Backend should be able to unfold masked merge

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=37104

            Bug ID: 37104
           Summary: Backend should be able to unfold masked merge
           Product: libraries
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: Backend: X86
          Assignee: unassignedbugs at nondot.org
          Reporter: lebedev.ri at gmail.com
                CC: llvm-bugs at lists.llvm.org

Moving the disscussion from https://bugs.llvm.org/show_bug.cgi?id=6773#c9
That ^ will introduce IR canonicalization, which is likely suboptimal for the
final assembly.

I'm guessing the backend (what specifically?) should be able to undo it:

https://rise4fun.com/Alive/HqI
https://godbolt.org/g/skwsvY

-- 
You are receiving this mail because:
You are on the CC list for the bug.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.llvm.org/pipermail/llvm-bugs/attachments/20180412/bd53ba28/attachment.html>