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| author | Sander de Smalen <sander.desmalen@arm.com> | 2021-09-29 11:33:40 +0100 |
|---|---|---|
| committer | Sander de Smalen <sander.desmalen@arm.com> | 2021-09-29 11:33:45 +0100 |
| commit | 6709b193ea254edf3670a60e1efb3223f199c662 (patch) | |
| tree | c1085565cc9329cb332b874dadb02cef29580704 /llvm/lib/Transforms/Utils/Debugify.cpp | |
| parent | 87bcbd61b5e60ed1f465cc276029be9f667162ba (diff) | |
| download | llvm-6709b193ea254edf3670a60e1efb3223f199c662.zip llvm-6709b193ea254edf3670a60e1efb3223f199c662.tar.gz llvm-6709b193ea254edf3670a60e1efb3223f199c662.tar.bz2 | |
[SelectionDAG] Make WidenVecRes_EXTRACT_SUBVECTOR work for scalable vectors.
The legalizer handles this by breaking up an EXTRACT_SUBVECTOR into
smaller parts, and combines those together, padding the result with
UNDEF vectors, e.g.
nxv6i64 extract_subvector(nxv12i64, 6)
<->
nxv8i64 concat(
nxv2i64 extract_subvector(nxv16i64, 6)
nxv2i64 extract_subvector(nxv16i64, 8)
nxv2i64 extract_subvector(nxv16i64, 10)
nxv2i64 undef)
Reviewed By: frasercrmck, david-arm
Differential Revision: https://reviews.llvm.org/D110253
Diffstat (limited to 'llvm/lib/Transforms/Utils/Debugify.cpp')
0 files changed, 0 insertions, 0 deletions