https://bugs.llvm.org/show_bug.cgi?id=41359
Bug ID: 41359
Summary: [TargetLowering] Merge preferShiftsToClearExtremeBits
into shouldFoldShiftPairToMask
Product: libraries
Version: trunk
Hardware: PC
OS: Windows NT
Status: NEW
Severity: enhancement
Priority: P
Component: Backend: X86
Assignee: unassignedb...@nondot.org
Reporter: llvm-...@redking.me.uk
CC: craig.top...@gmail.com, lebedev...@gmail.com,
llvm-bugs@lists.llvm.org, llvm-...@redking.me.uk,
spatel+l...@rotateright.com
These TargetLowering features are close enough that we should probably just get
rid of preferShiftsToClearExtremeBits.
An initial attempt caused some changes due to subtle differences in logic which
need addressing.
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