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| author | Matthias Braun <matze@braunis.de> | 2014-12-20 01:54:50 +0000 |
|---|---|---|
| committer | Matthias Braun <matze@braunis.de> | 2014-12-20 01:54:50 +0000 |
| commit | 714c494ca1271c55f6b84a7bead086b888b40f03 (patch) | |
| tree | 9f65d89efa43721faad4df0bc5132d0dc899d0af /llvm/lib/Transforms | |
| parent | 7f8dece1d783418dfead89844c827be2f34dc5c8 (diff) | |
| download | bcm5719-llvm-714c494ca1271c55f6b84a7bead086b888b40f03.tar.gz bcm5719-llvm-714c494ca1271c55f6b84a7bead086b888b40f03.zip | |
LiveIntervalAnalysis: No kill flags for partially undefined uses.
We must not add kill flags when reading a vreg with some undefined
subregisters, if subreg liveness tracking is enabled. This is because
the register allocator may reuse these undefined subregisters for other
values which are not killed.
llvm-svn: 224664
Diffstat (limited to 'llvm/lib/Transforms')
0 files changed, 0 insertions, 0 deletions
