diff options
| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2012-08-08 00:40:47 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2012-08-08 00:40:47 +0000 |
| commit | 3b9a4428416566bca21fd43cfbaeeb566465b5d4 (patch) | |
| tree | 4ffabfaa19ee1c1ed186feffee4ccc182dd50b5f /llvm/lib/CodeGen/MachineCSE.cpp | |
| parent | c0b61ff9c7ca6ce7a04430655bdb16843b7ff31f (diff) | |
| download | bcm5719-llvm-3b9a4428416566bca21fd43cfbaeeb566465b5d4.tar.gz bcm5719-llvm-3b9a4428416566bca21fd43cfbaeeb566465b5d4.zip | |
Don't scan physreg use-def chains looking for a PIC base.
We can't rematerialize a PIC base after register allocation anyway, and
scanning physreg use-def chains is very expensive in a function with
many calls.
<rdar://problem/12047515>
llvm-svn: 161461
Diffstat (limited to 'llvm/lib/CodeGen/MachineCSE.cpp')
0 files changed, 0 insertions, 0 deletions
