https://bugs.llvm.org/show_bug.cgi?id=38036
Bug ID: 38036
Summary: ShuffleVectorInst - match shuffle masks with different
src/dst vector widths
Product: libraries
Version: trunk
Hardware: PC
OS: Windows NT
Status: NEW
Severity: enhancement
Priority: P
Component: Common Code Generator Code
Assignee: unassignedb...@nondot.org
Reporter: llvm-...@redking.me.uk
CC: a.bat...@hotmail.com, llvm-bugs@lists.llvm.org,
spatel+l...@rotateright.com
The ShuffleVectorInst shuffle matching helpers assume that the src/dst vector
widths are the same (== Mask.size()). We need to generalize this to support src
vector types that are different to the Mask/dst sizes.
This would then allow us to refactor SLPVectorizer's isShuffle function to use
the matchers more generally.
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