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: unassignedb...@nondot.org
Reporter: lebedev...@gmail.com
CC: llvm-bugs@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
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