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| author | David Green <david.green@arm.com> | 2021-09-14 11:05:31 +0100 |
|---|---|---|
| committer | David Green <david.green@arm.com> | 2021-09-14 11:05:31 +0100 |
| commit | 5a6dfbb8cd26376120e16ceae650f6c9b7a00950 (patch) | |
| tree | c348b40632ae16168829ae1da70e50f9ccd1a240 /clang/lib/Lex/ModuleMap.cpp | |
| parent | a91cfd1990255aea545683083329c2ad3fee4518 (diff) | |
| download | llvm-5a6dfbb8cd26376120e16ceae650f6c9b7a00950.zip llvm-5a6dfbb8cd26376120e16ceae650f6c9b7a00950.tar.gz llvm-5a6dfbb8cd26376120e16ceae650f6c9b7a00950.tar.bz2 | |
[ARM] Teach DemandedVectorElts about VMOVN lanes
The class of instructions that write to narrow top/bottom lanes only
demand the even or odd elements of the input lanes. Which means that a
pair of VMOVNT; VMOVNB demands no lanes from the original input. This
teaches that to instcombine from the target hooks available through
ARMTTIImpl.
Differential Revision: https://reviews.llvm.org/D109325
Diffstat (limited to 'clang/lib/Lex/ModuleMap.cpp')
0 files changed, 0 insertions, 0 deletions